Mercurial > hg > octave-kai > gnulib-hg
annotate lib/mbmemcasecmp.c @ 16366:bb182ee4a09d
maint: replace FSF snail-mail addresses with URLs
* config/argz.mk, lib/accept4.c, lib/alignof.h, lib/alloca.in.h:
* lib/alphasort.c, lib/arcfour.c, lib/arcfour.h, lib/arctwo.c:
* lib/arctwo.h, lib/argz.c, lib/arpa_inet.in.h, lib/asnprintf.c:
* lib/asprintf.c, lib/assert.in.h, lib/base32.c, lib/base32.h:
* lib/base64.c, lib/base64.h, lib/c-ctype.c, lib/c-ctype.h:
* lib/c-strcase.h, lib/c-strcasecmp.c, lib/c-strncasecmp.c:
* lib/check-version.c, lib/check-version.h, lib/config.charset:
* lib/ctype.in.h, lib/des.c, lib/des.h, lib/dup3.c, lib/errno.in.h:
* lib/float+.h, lib/fnmatch.c, lib/fnmatch.in.h, lib/fnmatch_loop.c:
* lib/fseeko.c, lib/gai_strerror.c, lib/gc-gnulib.c:
* lib/gc-libgcrypt.c, lib/gc-pbkdf2-sha1.c, lib/gc.h:
* lib/getaddrinfo.c, lib/getdelim.c, lib/getfilecon.c, lib/getline.c:
* lib/getlogin_r.c, lib/getpass.c, lib/getpass.h, lib/gettext.h:
* lib/gettimeofday.c, lib/glob.in.h, lib/glthread/cond.c:
* lib/glthread/cond.h, lib/glthread/lock.c, lib/glthread/lock.h:
* lib/glthread/thread.c, lib/glthread/thread.h:
* lib/glthread/threadlib.c, lib/glthread/yield.h, lib/hmac-md5.c:
* lib/hmac-sha1.c, lib/hmac.h, lib/iconv.c, lib/iconv.in.h:
* lib/iconv_close.c, lib/iconv_open.c, lib/inet_ntop.c, lib/isfinite.c:
* lib/isinf.c, lib/iswblank.c, lib/langinfo.in.h, lib/link.c:
* lib/localcharset.c, lib/localcharset.h, lib/lseek.c, lib/malloc.c:
* lib/malloca.c, lib/malloca.h, lib/md2.c, lib/md2.h, lib/md4.c:
* lib/md4.h, lib/md5.c, lib/md5.h, lib/memmem.c, lib/mempcpy.c:
* lib/memset.c, lib/memxor.c, lib/memxor.h, lib/minmax.h, lib/mktime.c:
* lib/msvc-inval.c, lib/msvc-inval.h, lib/msvc-nothrow.c:
* lib/msvc-nothrow.h, lib/netdb.in.h, lib/netinet_in.in.h, lib/nproc.c:
* lib/nproc.h, lib/obstack_printf.c, lib/pathmax.h, lib/pipe.c:
* lib/pipe2.c, lib/poll.c, lib/poll.in.h, lib/printf-args.c:
* lib/printf-args.h, lib/printf-parse.c, lib/printf-parse.h:
* lib/pselect.c, lib/pthread.in.h, lib/pty-private.h, lib/pty.in.h:
* lib/read-file.c, lib/read-file.h, lib/ref-add.sin, lib/ref-del.sin:
* lib/regcomp.c, lib/regex.c, lib/regex.h, lib/regex_internal.c:
* lib/regex_internal.h, lib/regexec.c, lib/rijndael-alg-fst.c:
* lib/rijndael-alg-fst.h, lib/rijndael-api-fst.c:
* lib/rijndael-api-fst.h, lib/rint.c, lib/rintf.c, lib/rintl.c:
* lib/round.c, lib/roundf.c, lib/roundl.c, lib/scandir.c, lib/select.c:
* lib/sha1.c, lib/sha1.h, lib/size_max.h, lib/snprintf.c:
* lib/stdalign.in.h, lib/stdarg.in.h, lib/stdbool.in.h:
* lib/stddef.in.h, lib/stdint.in.h, lib/stdio.in.h, lib/str-kmp.h:
* lib/str-two-way.h, lib/strcasecmp.c, lib/strcasestr.c, lib/strdup.c:
* lib/striconv.c, lib/striconv.h, lib/string.in.h, lib/strings.in.h:
* lib/strncasecmp.c, lib/strndup.c, lib/strnlen.c, lib/strpbrk.c:
* lib/strptime.c, lib/strsep.c, lib/strstr.c, lib/strverscmp.c:
* lib/sys_file.in.h, lib/sys_ioctl.in.h, lib/sys_select.in.h:
* lib/sys_socket.in.h, lib/sys_stat.in.h, lib/sys_time.in.h:
* lib/sys_times.in.h, lib/sys_types.in.h, lib/sys_uio.in.h:
* lib/sys_utsname.in.h, lib/sys_wait.in.h, lib/tcgetsid.c:
* lib/termios.in.h, lib/time.in.h, lib/time_r.c, lib/timegm.c:
* lib/times.c, lib/unictype/3level.h, lib/unictype/3levelbit.h:
* lib/unistd.in.h, lib/vasnprintf.c, lib/vasnprintf.h, lib/vasprintf.c:
* lib/vsnprintf.c, lib/waitpid.c, lib/wchar.in.h, lib/wctype.in.h:
* lib/xsize.h, tests/test-closein.c, tests/test-des.c:
* tests/test-fclose.c, tests/test-fgetc.c, tests/test-filevercmp.c:
* tests/test-fputc.c, tests/test-fread.c, tests/test-fwrite.c:
* tests/test-gc-arcfour.c, tests/test-gc-arctwo.c, tests/test-gc-des.c:
* tests/test-gc-hmac-md5.c, tests/test-gc-hmac-sha1.c:
* tests/test-gc-md2.c, tests/test-gc-md4.c, tests/test-gc-md5.c:
* tests/test-gc-pbkdf2-sha1.c, tests/test-gc-rijndael.c:
* tests/test-gc-sha1.c, tests/test-gc.c, tests/test-getdelim.c:
* tests/test-getline.c, tests/test-getndelim2.c, tests/test-md2.c:
* tests/test-md4.c, tests/test-parse-datetime.c, tests/test-perror.c:
* tests/test-perror2.c, tests/test-pipe.c, tests/test-pipe2.c:
* tests/test-poll.c, tests/test-quotearg-simple.c:
* tests/test-quotearg.c, tests/test-quotearg.h:
* tests/test-round-ieee.c, tests/test-round1.c:
* tests/test-roundf-ieee.c, tests/test-roundf1.c:
* tests/test-roundl-ieee.c, tests/test-roundl.c:
* tests/test-safe-alloc.c, tests/test-sigpipe.c:
* tests/test-spawn-pipe-child.c, tests/test-spawn-pipe-main.c:
* tests/test-strerror.c, tests/test-strerror_r.c:
* tests/test-strsignal.c, tests/test-strverscmp.c:
* tests/test-xmemdup0.c:
Replace FSF snail mail addresses with URLs, as per GNU coding
standards. See glibc bug
<http://sourceware.org/bugzilla/show_bug.cgi?id=13673>.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Thu, 09 Feb 2012 21:39:05 -0800 (2012-02-10) |
| parents | 8250f2777afc |
| children | e542fd46ad6f |
| rev | line source |
|---|---|
| 11390 | 1 /* Compare two memory areas with possibly different lengths, case-insensitive. |
|
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Jim Meyering <meyering@redhat.com>
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2 Copyright (C) 1998-1999, 2005-2012 Free Software Foundation, Inc. |
| 11390 | 3 Written by Bruno Haible <bruno@clisp.org>, 2009, |
| 4 based on earlier glibc code. | |
| 5 | |
| 6 This program is free software: you can redistribute it and/or modify | |
| 7 it under the terms of the GNU General Public License as published by | |
| 8 the Free Software Foundation; either version 3 of the License, or | |
| 9 (at your option) any later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
| 21 /* Specification. */ | |
| 22 #include "mbmemcasecmp.h" | |
| 23 | |
| 24 #include <ctype.h> | |
| 25 #include <limits.h> | |
| 26 #include <stdlib.h> | |
| 27 | |
| 28 #include "mbiter.h" | |
| 29 | |
| 30 #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) | |
| 31 | |
| 32 int | |
| 33 mbmemcasecmp (const char *s1, size_t n1, const char *s2, size_t n2) | |
| 34 { | |
| 35 if (s1 == s2) | |
| 36 return (n1 < n2 ? -1 : n1 > n2 ? 1 : 0); | |
| 37 | |
| 38 if (MB_CUR_MAX > 1) | |
| 39 { | |
| 40 mbi_iterator_t iter1; | |
| 41 mbi_iterator_t iter2; | |
| 42 | |
| 43 mbi_init (iter1, s1, n1); | |
| 44 mbi_init (iter2, s2, n2); | |
| 45 | |
| 46 while (mbi_avail (iter1) && mbi_avail (iter2)) | |
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47 { |
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48 int cmp = mb_casecmp (mbi_cur (iter1), mbi_cur (iter2)); |
| 11390 | 49 |
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50 if (cmp != 0) |
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51 return cmp; |
| 11390 | 52 |
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53 mbi_advance (iter1); |
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54 mbi_advance (iter2); |
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55 } |
| 11390 | 56 if (mbi_avail (iter1)) |
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57 /* s2 terminated before s1. */ |
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58 return 1; |
| 11390 | 59 if (mbi_avail (iter2)) |
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60 /* s1 terminated before s2. */ |
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61 return -1; |
| 11390 | 62 return 0; |
| 63 } | |
| 64 else | |
| 65 { | |
| 66 const unsigned char *s1_end = (const unsigned char *) (s1 + n1); | |
| 67 const unsigned char *s2_end = (const unsigned char *) (s2 + n2); | |
| 68 const unsigned char *p1 = (const unsigned char *) s1; | |
| 69 const unsigned char *p2 = (const unsigned char *) s2; | |
| 70 | |
| 71 while (p1 < s1_end && p2 < s2_end) | |
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72 { |
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73 unsigned char c1 = TOLOWER (*p1); |
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74 unsigned char c2 = TOLOWER (*p2); |
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75 if (c1 != c2) |
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76 { |
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77 if (UCHAR_MAX <= INT_MAX) |
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78 return c1 - c2; |
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79 else |
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80 /* On machines where 'char' and 'int' are types of the same |
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81 size, the difference of two 'unsigned char' values |
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82 - including the sign bit - doesn't fit in an 'int'. */ |
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83 return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0); |
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84 } |
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85 ++p1; |
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86 ++p2; |
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87 } |
| 11390 | 88 if (p1 < s1_end) |
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89 /* s2 terminated before s1. */ |
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90 return 1; |
| 11390 | 91 if (p2 < s2_end) |
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parents:
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92 /* s1 terminated before s2. */ |
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93 return -1; |
| 11390 | 94 return 0; |
| 95 } | |
| 96 } |