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annotate lib/quotearg.c @ 2237:5fc41d889f78

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fix typo. sheesh
author Jim Meyering <jim@meyering.net>
date Mon, 31 Jan 2000 08:42:45 +0000
parents c4a8e51bfd93
children 8ed5c871e719
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1 /* quotearg.c - quote arguments for output
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2 Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software Foundation,
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16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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17
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18 /* Written by Paul Eggert <eggert@twinsun.com> */
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19
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20 #if HAVE_CONFIG_H
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21 # include <config.h>
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22 #endif
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23
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24 #include <sys/types.h>
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25 #include <quotearg.h>
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26 #include <xalloc.h>
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27
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28 #include <ctype.h>
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29
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30 #if ENABLE_NLS
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31 # include <libintl.h>
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32 # define _(text) gettext (text)
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33 #else
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34 # define _(text) text
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35 #endif
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36
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37 #if HAVE_LIMITS_H
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38 # include <limits.h>
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39 #endif
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40 #ifndef CHAR_BIT
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41 # define CHAR_BIT 8
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42 #endif
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43 #ifndef UCHAR_MAX
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44 # define UCHAR_MAX ((unsigned char) -1)
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45 #endif
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46
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47 #if HAVE_STDLIB_H
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48 # include <stdlib.h>
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49 #endif
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50
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51 #if HAVE_STRING_H
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52 # include <string.h>
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53 #endif
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54
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55 #if HAVE_WCTYPE_H
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56 # include <wctype.h>
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57 #endif
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58
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59 #if HAVE_MBRTOWC && HAVE_WCHAR_H
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60 # include <wchar.h>
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61 #else
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62 # define iswprint(wc) 1
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63 # define mbrtowc(pwc, s, n, ps) 1
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64 # define mbsinit(ps) 1
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65 # define mbstate_t int
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66 #endif
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67
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68 #define INT_BITS (sizeof (int) * CHAR_BIT)
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69
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70 #if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
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71 /* Undefine to protect against the definition in wctype.h of solaris2.6. */
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72 # undef ISASCII
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73 # define ISASCII(c) 1
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74 #else
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75 # define ISASCII(c) isascii (c)
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76 #endif
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77 /* Undefine to protect against the definition in wctype.h of solaris2.6. */
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78 #undef ISPRINT
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79 #define ISPRINT(c) (ISASCII (c) && isprint (c))
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80
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81 struct quoting_options
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82 {
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83 /* Basic quoting style. */
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84 enum quoting_style style;
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85
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86 /* Quote the characters indicated by this bit vector even if the
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87 quoting style would not normally require them to be quoted. */
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88 int quote_these_too[((UCHAR_MAX + 1) / INT_BITS
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89 + ((UCHAR_MAX + 1) % INT_BITS != 0))];
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90 };
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91
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92 /* Names of quoting styles. */
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93 char const *const quoting_style_args[] =
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94 {
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95 "literal",
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96 "shell",
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97 "shell-always",
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98 "c",
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99 "escape",
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100 "locale",
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101 0
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102 };
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103
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104 /* Correspondences to quoting style names. */
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105 enum quoting_style const quoting_style_vals[] =
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106 {
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107 literal_quoting_style,
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108 shell_quoting_style,
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109 shell_always_quoting_style,
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110 c_quoting_style,
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111 escape_quoting_style,
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112 locale_quoting_style
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113 };
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114
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115 /* The default quoting options. */
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116 static struct quoting_options default_quoting_options;
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117
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118 /* Allocate a new set of quoting options, with contents initially identical
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119 to O if O is not null, or to the default if O is null.
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120 It is the caller's responsibility to free the result. */
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121 struct quoting_options *
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122 clone_quoting_options (struct quoting_options *o)
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123 {
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124 struct quoting_options *p
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125 = (struct quoting_options *) xmalloc (sizeof (struct quoting_options));
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126 *p = *(o ? o : &default_quoting_options);
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127 return p;
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128 }
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129
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130 /* Get the value of O's quoting style. If O is null, use the default. */
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131 enum quoting_style
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132 get_quoting_style (struct quoting_options *o)
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133 {
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134 return (o ? o : &default_quoting_options)->style;
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135 }
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136
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137 /* In O (or in the default if O is null),
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138 set the value of the quoting style to S. */
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139 void
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140 set_quoting_style (struct quoting_options *o, enum quoting_style s)
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141 {
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142 (o ? o : &default_quoting_options)->style = s;
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143 }
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144
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145 /* In O (or in the default if O is null),
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146 set the value of the quoting options for character C to I.
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147 Return the old value. Currently, the only values defined for I are
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148 0 (the default) and 1 (which means to quote the character even if
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149 it would not otherwise be quoted). */
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150 int
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151 set_char_quoting (struct quoting_options *o, char c, int i)
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152 {
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153 unsigned char uc = c;
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154 int *p = (o ? o : &default_quoting_options)->quote_these_too + uc / INT_BITS;
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155 int shift = uc % INT_BITS;
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156 int r = (*p >> shift) & 1;
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157 *p ^= ((i & 1) ^ r) << shift;
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158 return r;
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159 }
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160
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161 /* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of
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162 argument ARG (of size ARGSIZE), using QUOTING_STYLE and the
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163 non-quoting-style part of O to control quoting.
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164 Terminate the output with a null character, and return the written
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165 size of the output, not counting the terminating null.
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166 If BUFFERSIZE is too small to store the output string, return the
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167 value that would have been returned had BUFFERSIZE been large enough.
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168 If ARGSIZE is -1, use the string length of the argument for ARGSIZE.
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169
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170 This function acts like quotearg_buffer (BUFFER, BUFFERSIZE, ARG,
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171 ARGSIZE, O), except it uses QUOTING_STYLE instead of the quoting
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172 style specified by O, and O may not be null. */
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173
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174 static size_t
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175 quotearg_buffer_restyled (char *buffer, size_t buffersize,
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
176 char const *arg, size_t argsize,
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
177 enum quoting_style quoting_style,
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
178 struct quoting_options const *o)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
179 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
180 size_t i;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
181 size_t len = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
182 char const *quote_string = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
183 size_t quote_string_len = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
184 int backslash_escapes = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
185
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
186 #define STORE(c) \
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
187 do \
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
188 { \
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
189 if (len < buffersize) \
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
190 buffer[len] = (c); \
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
191 len++; \
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
192 } \
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
193 while (0)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
194
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
195 switch (quoting_style)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
196 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
197 case c_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
198 STORE ('"');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
199 backslash_escapes = 1;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
200 quote_string = "\"";
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
201 quote_string_len = 1;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
202 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
203
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
204 case escape_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
205 backslash_escapes = 1;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
206 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
207
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
208 case locale_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
209 for (quote_string = _("`"); *quote_string; quote_string++)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
210 STORE (*quote_string);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
211 backslash_escapes = 1;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
212 quote_string = _("'");
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
213 quote_string_len = strlen (quote_string);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
214 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
215
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
216 case shell_always_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
217 STORE ('\'');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
218 quote_string = "'";
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
219 quote_string_len = 1;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
220 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
221
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
222 default:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
223 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
224 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
225
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
226 for (i = 0; ! (argsize == (size_t) -1 ? arg[i] == '\0' : i == argsize); i++)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
227 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
228 unsigned char c;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
229 unsigned char esc;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
230
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
231 if (backslash_escapes
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
232 && quote_string_len
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
233 && i + quote_string_len <= argsize
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
234 && memcmp (arg + i, quote_string, quote_string_len) == 0)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
235 STORE ('\\');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
236
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
237 c = arg[i];
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
238 switch (c)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
239 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
240 case '?':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
241 switch (quoting_style)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
242 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
243 case shell_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
244 goto use_shell_always_quoting_style;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
245
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
246 case c_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
247 if (i + 2 < argsize && arg[i + 1] == '?')
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
248 switch (arg[i + 2])
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
249 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
250 case '!': case '\'':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
251 case '(': case ')': case '-': case '/':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
252 case '<': case '=': case '>':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
253 /* Escape the second '?' in what would otherwise be
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
254 a trigraph. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
255 i += 2;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
256 c = arg[i + 2];
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
257 STORE ('?');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
258 STORE ('\\');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
259 STORE ('?');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
260 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
261 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
262 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
263
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
264 default:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
265 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
266 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
267 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
268
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
269 #if HAVE_C_BACKSLASH_A
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
270 case '\a': esc = 'a'; goto c_escape;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
271 #endif
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
272 case '\b': esc = 'b'; goto c_escape;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
273 case '\f': esc = 'f'; goto c_escape;
2145
d0a924014953 (quotearg_buffer_restyled): Do not quote
Jim Meyering <jim@meyering.net>
parents: 2124
diff changeset
274 case '\n': esc = 'n'; goto c_and_shell_escape;
d0a924014953 (quotearg_buffer_restyled): Do not quote
Jim Meyering <jim@meyering.net>
parents: 2124
diff changeset
275 case '\r': esc = 'r'; goto c_and_shell_escape;
d0a924014953 (quotearg_buffer_restyled): Do not quote
Jim Meyering <jim@meyering.net>
parents: 2124
diff changeset
276 case '\t': esc = 't'; goto c_and_shell_escape;
2124
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
277 case '\v': esc = 'v'; goto c_escape;
2145
d0a924014953 (quotearg_buffer_restyled): Do not quote
Jim Meyering <jim@meyering.net>
parents: 2124
diff changeset
278 case '\\': esc = c; goto c_and_shell_escape;
2124
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
279
2145
d0a924014953 (quotearg_buffer_restyled): Do not quote
Jim Meyering <jim@meyering.net>
parents: 2124
diff changeset
280 c_and_shell_escape:
d0a924014953 (quotearg_buffer_restyled): Do not quote
Jim Meyering <jim@meyering.net>
parents: 2124
diff changeset
281 if (quoting_style == shell_quoting_style)
d0a924014953 (quotearg_buffer_restyled): Do not quote
Jim Meyering <jim@meyering.net>
parents: 2124
diff changeset
282 goto use_shell_always_quoting_style;
2124
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
283 c_escape:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
284 if (backslash_escapes)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
285 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
286 c = esc;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
287 goto store_escape;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
288 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
289 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
290
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
291 case '#': case '~':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
292 if (i != 0)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
293 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
294 /* Fall through. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
295 case ' ':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
296 case '!': /* special in bash */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
297 case '"': case '$': case '&':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
298 case '(': case ')': case '*': case ';':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
299 case '<': case '>': case '[':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
300 case '^': /* special in old /bin/sh, e.g. SunOS 4.1.4 */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
301 case '`': case '|':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
302 /* A shell special character. In theory, '$' and '`' could
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
303 be the first bytes of multibyte characters, which means
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
304 we should check them with mbrtowc, but in practice this
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
305 doesn't happen so it's not worth worrying about. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
306 if (quoting_style == shell_quoting_style)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
307 goto use_shell_always_quoting_style;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
308 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
309
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
310 case '\'':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
311 switch (quoting_style)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
312 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
313 case shell_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
314 goto use_shell_always_quoting_style;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
315
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
316 case shell_always_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
317 STORE ('\'');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
318 STORE ('\\');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
319 STORE ('\'');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
320 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
321
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
322 default:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
323 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
324 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
325 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
326
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
327 case '%': case '+': case ',': case '-': case '.': case '/':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
328 case '0': case '1': case '2': case '3': case '4': case '5':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
329 case '6': case '7': case '8': case '9': case ':': case '=':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
330 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
331 case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
332 case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
333 case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
334 case 'Y': case 'Z': case ']': case '_': case 'a': case 'b':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
335 case 'c': case 'd': case 'e': case 'f': case 'g': case 'h':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
336 case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
337 case 'o': case 'p': case 'q': case 'r': case 's': case 't':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
338 case 'u': case 'v': case 'w': case 'x': case 'y': case 'z':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
339 case '{': case '}':
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
340 /* These characters don't cause problems, no matter what the
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
341 quoting style is. They cannot start multibyte sequences. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
342 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
343
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
344 default:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
345 /* If we have a multibyte sequence, copy it until we reach
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
346 its end, find an error, or come back to the initial shift
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
347 state. For C-like styles, if the sequence has
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
348 unprintable characters, escape the whole sequence, since
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
349 we can't easily escape single characters within it. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
350 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
351 /* Length of multibyte sequence found so far. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
352 size_t m = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
353
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
354 int printable = 1;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
355 mbstate_t mbstate;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
356 memset (&mbstate, 0, sizeof mbstate);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
357
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
358 if (argsize == (size_t) -1)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
359 argsize = strlen (arg);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
360
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
361 do
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
362 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
363 wchar_t w;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
364 size_t bytes = mbrtowc (&w, &arg[i + m],
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
365 argsize - (i + m), &mbstate);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
366 if (bytes == 0)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
367 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
368 else if (bytes == (size_t) -1)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
369 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
370 printable = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
371 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
372 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
373 else if (bytes == (size_t) -2)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
374 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
375 printable = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
376 while (i + m < argsize && arg[i + m])
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
377 m++;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
378 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
379 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
380 else
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
381 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
382 if (! iswprint (w))
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
383 printable = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
384 m += bytes;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
385 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
386 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
387 while (! mbsinit (&mbstate));
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
388
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
389 if (m <= 1)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
390 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
391 /* Escape a unibyte character like a multibyte
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
392 sequence if using backslash escapes, and if the
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
393 character is not printable. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
394 m = backslash_escapes && ! ISPRINT (c);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
395 printable = 0;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
396 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
397
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
398 if (m)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
399 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
400 /* Output a multibyte sequence, or an escaped
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
401 unprintable unibyte character. */
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
402 size_t imax = i + m - 1;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
403
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
404 for (;;)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
405 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
406 if (backslash_escapes && ! printable)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
407 {
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
408 STORE ('\\');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
409 STORE ('0' + (c >> 6));
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
410 STORE ('0' + ((c >> 3) & 7));
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
411 c = '0' + (c & 7);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
412 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
413 if (i == imax)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
414 break;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
415 STORE (c);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
416 c = arg[++i];
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
417 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
418
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
419 goto store_c;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
420 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
421 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
422 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
423
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
424 if (! (backslash_escapes
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
425 && o->quote_these_too[c / INT_BITS] & (1 << (c % INT_BITS))))
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
426 goto store_c;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
427
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
428 store_escape:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
429 STORE ('\\');
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
430
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
431 store_c:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
432 STORE (c);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
433 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
434
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
435 if (quote_string)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
436 for (; *quote_string; quote_string++)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
437 STORE (*quote_string);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
438
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
439 if (len < buffersize)
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
440 buffer[len] = '\0';
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
441 return len;
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
442
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
443 use_shell_always_quoting_style:
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
444 return quotearg_buffer_restyled (buffer, buffersize, arg, argsize,
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
445 shell_always_quoting_style, o);
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
446 }
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
447
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
448 /* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
449 argument ARG (of size ARGSIZE), using O to control quoting.
1282
c5862deb63ad Update from patch-2.5.3.
Jim Meyering <jim@meyering.net>
parents: 1248
diff changeset
450 If O is null, use the default.
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
451 Terminate the output with a null character, and return the written
Jim Meyering <jim@meyering.net>
parents:
diff changeset
452 size of the output, not counting the terminating null.
1282
c5862deb63ad Update from patch-2.5.3.
Jim Meyering <jim@meyering.net>
parents: 1248
diff changeset
453 If BUFFERSIZE is too small to store the output string, return the
c5862deb63ad Update from patch-2.5.3.
Jim Meyering <jim@meyering.net>
parents: 1248
diff changeset
454 value that would have been returned had BUFFERSIZE been large enough.
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
455 If ARGSIZE is -1, use the string length of the argument for ARGSIZE. */
Jim Meyering <jim@meyering.net>
parents:
diff changeset
456 size_t
1282
c5862deb63ad Update from patch-2.5.3.
Jim Meyering <jim@meyering.net>
parents: 1248
diff changeset
457 quotearg_buffer (char *buffer, size_t buffersize,
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
458 char const *arg, size_t argsize,
Jim Meyering <jim@meyering.net>
parents:
diff changeset
459 struct quoting_options const *o)
Jim Meyering <jim@meyering.net>
parents:
diff changeset
460 {
1282
c5862deb63ad Update from patch-2.5.3.
Jim Meyering <jim@meyering.net>
parents: 1248
diff changeset
461 struct quoting_options const *p = o ? o : &default_quoting_options;
2124
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
462 return quotearg_buffer_restyled (buffer, buffersize, arg, argsize,
30abc8682bdf Quote multibyte characters correctly.
Jim Meyering <jim@meyering.net>
parents: 1920
diff changeset
463 p->style, p);
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
464 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
465
Jim Meyering <jim@meyering.net>
parents:
diff changeset
466 /* Use storage slot N to return a quoted version of the string ARG.
Jim Meyering <jim@meyering.net>
parents:
diff changeset
467 OPTIONS specifies the quoting options.
Jim Meyering <jim@meyering.net>
parents:
diff changeset
468 The returned value points to static storage that can be
Jim Meyering <jim@meyering.net>
parents:
diff changeset
469 reused by the next call to this function with the same value of N.
1663
8ae2c5884032 (quotearg_n_options): Revert type of parameter `n'
Jim Meyering <jim@meyering.net>
parents: 1650
diff changeset
470 N must be nonnegative. N is deliberately declared with type `int'
8ae2c5884032 (quotearg_n_options): Revert type of parameter `n'
Jim Meyering <jim@meyering.net>
parents: 1650
diff changeset
471 to allow for future extensions (using negative values). */
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
472 static char *
1663
8ae2c5884032 (quotearg_n_options): Revert type of parameter `n'
Jim Meyering <jim@meyering.net>
parents: 1650
diff changeset
473 quotearg_n_options (int n, char const *arg,
1598
d0dff44eca51 (quotearg_n_options): Make `options' parameter be `const'.
Jim Meyering <jim@meyering.net>
parents: 1597
diff changeset
474 struct quoting_options const *options)
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
475 {
1597
287550eb5c15 (quotearg_buffer): Cast -1 to size_t before comparing.
Jim Meyering <jim@meyering.net>
parents: 1565
diff changeset
476 static unsigned int nslots;
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
477 static struct slotvec
Jim Meyering <jim@meyering.net>
parents:
diff changeset
478 {
Jim Meyering <jim@meyering.net>
parents:
diff changeset
479 size_t size;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
480 char *val;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
481 } *slotvec;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
482
Jim Meyering <jim@meyering.net>
parents:
diff changeset
483 if (nslots <= n)
Jim Meyering <jim@meyering.net>
parents:
diff changeset
484 {
1663
8ae2c5884032 (quotearg_n_options): Revert type of parameter `n'
Jim Meyering <jim@meyering.net>
parents: 1650
diff changeset
485 int n1 = n + 1;
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
486 size_t s = n1 * sizeof (struct slotvec);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
487 if (! (0 < n1 && n1 == s / sizeof (struct slotvec)))
Jim Meyering <jim@meyering.net>
parents:
diff changeset
488 abort ();
Jim Meyering <jim@meyering.net>
parents:
diff changeset
489 slotvec = (struct slotvec *) xrealloc (slotvec, s);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
490 memset (slotvec + nslots, 0, (n1 - nslots) * sizeof (struct slotvec));
Jim Meyering <jim@meyering.net>
parents:
diff changeset
491 nslots = n;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
492 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
493
Jim Meyering <jim@meyering.net>
parents:
diff changeset
494 {
Jim Meyering <jim@meyering.net>
parents:
diff changeset
495 size_t size = slotvec[n].size;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
496 char *val = slotvec[n].val;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
497 size_t qsize = quotearg_buffer (val, size, arg, (size_t) -1, options);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
498
Jim Meyering <jim@meyering.net>
parents:
diff changeset
499 if (size <= qsize)
Jim Meyering <jim@meyering.net>
parents:
diff changeset
500 {
Jim Meyering <jim@meyering.net>
parents:
diff changeset
501 slotvec[n].size = size = qsize + 1;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
502 slotvec[n].val = val = xrealloc (val, size);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
503 quotearg_buffer (val, size, arg, (size_t) -1, options);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
504 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
505
Jim Meyering <jim@meyering.net>
parents:
diff changeset
506 return val;
Jim Meyering <jim@meyering.net>
parents:
diff changeset
507 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
508 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
509
Jim Meyering <jim@meyering.net>
parents:
diff changeset
510 char *
1597
287550eb5c15 (quotearg_buffer): Cast -1 to size_t before comparing.
Jim Meyering <jim@meyering.net>
parents: 1565
diff changeset
511 quotearg_n (unsigned int n, char const *arg)
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
512 {
1282
c5862deb63ad Update from patch-2.5.3.
Jim Meyering <jim@meyering.net>
parents: 1248
diff changeset
513 return quotearg_n_options (n, arg, &default_quoting_options);
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
514 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
515
Jim Meyering <jim@meyering.net>
parents:
diff changeset
516 char *
Jim Meyering <jim@meyering.net>
parents:
diff changeset
517 quotearg (char const *arg)
Jim Meyering <jim@meyering.net>
parents:
diff changeset
518 {
Jim Meyering <jim@meyering.net>
parents:
diff changeset
519 return quotearg_n (0, arg);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
520 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
521
Jim Meyering <jim@meyering.net>
parents:
diff changeset
522 char *
1920
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
523 quotearg_n_style (unsigned int n, enum quoting_style s, char const *arg)
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
524 {
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
525 struct quoting_options o;
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
526 o.style = s;
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
527 memset (o.quote_these_too, 0, sizeof o.quote_these_too);
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
528 return quotearg_n_options (n, arg, &o);
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
529 }
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
530
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
531 char *
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
532 quotearg_style (enum quoting_style s, char const *arg)
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
533 {
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
534 return quotearg_n_style (0, s, arg);
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
535 }
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
536
78f6058b59a6 Include <libintl.h> if ENABLE_NLS.
Jim Meyering <jim@meyering.net>
parents: 1891
diff changeset
537 char *
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
538 quotearg_char (char const *arg, char ch)
Jim Meyering <jim@meyering.net>
parents:
diff changeset
539 {
Jim Meyering <jim@meyering.net>
parents:
diff changeset
540 struct quoting_options options;
1282
c5862deb63ad Update from patch-2.5.3.
Jim Meyering <jim@meyering.net>
parents: 1248
diff changeset
541 options = default_quoting_options;
1248
Jim Meyering <jim@meyering.net>
parents:
diff changeset
542 set_char_quoting (&options, ch, 1);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
543 return quotearg_n_options (0, arg, &options);
Jim Meyering <jim@meyering.net>
parents:
diff changeset
544 }
Jim Meyering <jim@meyering.net>
parents:
diff changeset
545
Jim Meyering <jim@meyering.net>
parents:
diff changeset
546 char *
Jim Meyering <jim@meyering.net>
parents:
diff changeset
547 quotearg_colon (char const *arg)
Jim Meyering <jim@meyering.net>
parents:
diff changeset
548 {
Jim Meyering <jim@meyering.net>
parents:
diff changeset
549 return quotearg_char (arg, ':');
Jim Meyering <jim@meyering.net>
parents:
diff changeset
550 }