Mercurial > hg > octave-shane > gnulib-hg
annotate tests/test-argv-iter.c @ 17632:86af85d364e1 default tip
unistd: port readlink to Mac OS X 10.3.9
* lib/unistd.in.h (_GL_INCLUDING_UNISTD_H): New macro, to work
around self-include problem in Mac OS X 10.3.9 when combined with
readlink module. Problem reported by Klaus Zietler in
<http://bugs.gnu.org/16825>.
| author | Paul Eggert <eggert@penguin.cs.ucla.edu> |
|---|---|
| date | Tue, 25 Feb 2014 11:16:27 -0800 |
| parents | 344018b6e5d7 |
| children |
| rev | line source |
|---|---|
| 11708 | 1 /* Test argv iterator |
| 17587 | 2 Copyright (C) 2008-2014 Free Software Foundation, Inc. |
| 11708 | 3 |
| 4 This program is free software: you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3 of the License, or | |
| 7 (at your option) any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 16 | |
| 17 /* Written by Jim Meyering. */ | |
| 18 | |
| 19 #include <config.h> | |
|
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20 |
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21 #include "argv-iter.h" |
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22 |
| 11708 | 23 #include <stdio.h> |
| 24 #include <string.h> | |
| 25 | |
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26 #include "macros.h" |
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27 |
| 11708 | 28 #define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array)) |
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29 #define STREQ(a, b) (strcmp (a, b) == 0) |
| 11708 | 30 |
| 31 static FILE * | |
| 32 write_nul_delimited_argv (char **argv) | |
| 33 { | |
| 34 FILE *fp = tmpfile (); | |
| 35 ASSERT (fp); | |
| 36 while (*argv) | |
| 37 { | |
| 38 size_t len = strlen (*argv) + 1; | |
| 39 ASSERT (fwrite (*argv, len, 1, fp) == 1); | |
| 40 argv++; | |
| 41 } | |
| 42 ASSERT (fflush (fp) == 0); | |
| 43 rewind (fp); | |
| 44 return fp; | |
| 45 } | |
| 46 | |
| 47 int | |
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48 main (void) |
| 11708 | 49 { |
| 50 /* set_program_name (argv[0]); placate overzealous "syntax-check" test. */ | |
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51 static char one[] = "1"; |
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52 static char two[] = "2"; |
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53 static char three[] = "3"; |
| 11708 | 54 static char *av[][4] = { |
| 55 {NULL}, | |
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56 {one, NULL}, |
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57 {one, two, NULL}, |
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58 {one, two, three, NULL} |
| 11708 | 59 }; |
| 60 | |
| 61 int use_stream; | |
| 62 for (use_stream = 0; use_stream < 2; use_stream++) | |
| 63 { | |
| 64 size_t i; | |
| 65 for (i = 0; i < ARRAY_CARDINALITY (av); i++) | |
| 66 { | |
| 67 FILE *fp; | |
| 68 struct argv_iterator *ai; | |
| 69 size_t n_found = 0; | |
| 70 if (use_stream) | |
| 71 { | |
| 72 /* Generate an identical list to be read via FP. */ | |
| 73 ASSERT ((fp = write_nul_delimited_argv (av[i])) != NULL); | |
| 74 ai = argv_iter_init_stream (fp); | |
| 75 } | |
| 76 else | |
| 77 { | |
| 78 fp = NULL; | |
| 79 ai = argv_iter_init_argv (av[i]); | |
| 80 } | |
| 81 ASSERT (ai); | |
| 82 | |
| 83 while (1) | |
| 84 { | |
| 85 enum argv_iter_err ai_err; | |
| 86 char *s = argv_iter (ai, &ai_err); | |
| 87 ASSERT ((i == n_found) == (ai_err == AI_ERR_EOF)); | |
| 88 ASSERT ((s == NULL) ^ (ai_err == AI_ERR_OK)); | |
| 89 ASSERT (ai_err == AI_ERR_OK || ai_err == AI_ERR_EOF); | |
| 90 if (ai_err == AI_ERR_OK) | |
| 91 ++n_found; | |
| 92 if (ai_err == AI_ERR_EOF) | |
| 93 break; | |
| 94 /* In stream mode, the strings are equal, but | |
| 95 in argv mode the actual pointers are equal. */ | |
| 96 ASSERT (use_stream | |
| 97 ? STREQ (s, av[i][n_found - 1]) | |
| 98 : s == av[i][n_found - 1]); | |
| 99 } | |
| 100 ASSERT (argv_iter_n_args (ai) == i); | |
| 101 argv_iter_free (ai); | |
| 102 if (fp) | |
| 103 ASSERT (fclose (fp) == 0); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 return 0; | |
| 108 } |