diff options
Diffstat (limited to 'stdio-common/tst-fmemopen.c')
| -rw-r--r-- | stdio-common/tst-fmemopen.c | 94 |
1 files changed, 71 insertions, 23 deletions
diff --git a/stdio-common/tst-fmemopen.c b/stdio-common/tst-fmemopen.c index 206bfd74d2..aba931070b 100644 --- a/stdio-common/tst-fmemopen.c +++ b/stdio-common/tst-fmemopen.c @@ -1,3 +1,21 @@ +/* basic fmemopen interface testing. + Copyright (C) 2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + #include <errno.h> #include <fcntl.h> #include <stdio.h> @@ -8,10 +26,24 @@ #include <sys/stat.h> #include <sys/types.h> -int -main (int argc, char **argv) +static char *test_file; + +static void +do_prepare (int argc, char *argv[]) +{ + /* Construct the test file name based on ARGV[0], which will be + an absolute file name in the build directory. Don't touch the + source directory, which might be read-only. */ + if (asprintf (&test_file, "%s.test", argv[0]) < 0) + { + puts ("asprintf failed\n"); + exit (EXIT_FAILURE); + } +} + +static int +do_test (void) { - char *test_file; const char blah[] = "BLAH"; FILE *fp; char *mmap_data; @@ -19,17 +51,14 @@ main (int argc, char **argv) struct stat fs; const char *cp; - /* Construct the test file name based on ARGV[0], which will be - an absolute file name in the build directory. Don't touch the - source directory, which might be read-only. */ - if (argc != 1 || asprintf (&test_file, "%s.test", argv[0]) < 0) - exit (99); - /* setup the physical file, and use it */ if ((fp = fopen (test_file, "w+")) == NULL) - exit (1); + return 1; if (fwrite (blah, 1, strlen (blah), fp) != strlen (blah)) - exit (2); + { + fclose (fp); + return 2; + } rewind (fp); printf ("file: "); @@ -41,7 +70,8 @@ main (int argc, char **argv) { printf ("\ncharacter %td: '%c' instead of '%c'\n", cp - blah, ch, *cp); - exit (1); + fclose (fp); + return 1; } ++cp; } @@ -49,33 +79,44 @@ main (int argc, char **argv) if (ferror (fp)) { puts ("fp: error"); - exit (1); + fclose (fp); + return 1; } if (feof (fp)) printf ("fp: EOF\n"); else { puts ("not EOF"); - exit (1); + fclose (fp); + return 1; } fclose (fp); /* Now, mmap the file into a buffer, and do that too */ if ((fd = open (test_file, O_RDONLY)) == -1) - exit (3); + { + printf ("open (%s, O_RDONLY) failed\n", test_file); + return 3; + } if (fstat (fd, &fs) == -1) - exit (4); + { + printf ("stat (%i)\n", fd); + return 4; + } if ((mmap_data = (char *) mmap (NULL, fs.st_size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) { - if (errno == ENOSYS) - exit (0); - exit (5); + printf ("mmap (NULL, %zu, PROT_READ, MAP_SHARED, %i, 0) failed\n", + fs.st_size, fd); + return 5; } if ((fp = fmemopen (mmap_data, fs.st_size, "r")) == NULL) - exit (1); + { + printf ("fmemopen (%p, %zu) failed\n", mmap_data, fs.st_size); + return 1; + } printf ("mem: "); cp = blah; @@ -86,7 +127,8 @@ main (int argc, char **argv) { printf ("%td character: '%c' instead of '%c'\n", cp - blah, ch, *cp); - exit (1); + fclose (fp); + return 1; } ++cp; } @@ -96,14 +138,16 @@ main (int argc, char **argv) if (ferror (fp)) { puts ("fp: error"); - exit (1); + fclose (fp); + return 1; } if (feof (fp)) printf ("fp: EOF\n"); else { puts ("not EOF"); - exit (1); + fclose (fp); + return 1; } fclose (fp); @@ -115,3 +159,7 @@ main (int argc, char **argv) return 0; } + +#define PREPARE(argc, argv) do_prepare (argc, argv) +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |