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author | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
commit | 28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch) | |
tree | 15f07c4c43d635959c6afee96bde71fb1b3614ee /stdio/test-fwrite.c | |
download | glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz |
initial import
Diffstat (limited to 'stdio/test-fwrite.c')
-rw-r--r-- | stdio/test-fwrite.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/stdio/test-fwrite.c b/stdio/test-fwrite.c new file mode 100644 index 0000000000..cc6cdf038e --- /dev/null +++ b/stdio/test-fwrite.c @@ -0,0 +1,68 @@ +#include <stdio.h> +#include <string.h> + +int +main () +{ + FILE *f = tmpfile (); + char obuf[99999], ibuf[sizeof obuf]; + char *line; + size_t linesz; + + if (! f) + { + perror ("tmpfile"); + return 1; + } + + if (fputs ("line\n", f) == EOF) + { + perror ("fputs"); + return 1; + } + + memset (obuf, 'z', sizeof obuf); + memset (ibuf, 'y', sizeof ibuf); + + if (fwrite (obuf, sizeof obuf, 1, f) != 1) + { + perror ("fwrite"); + return 1; + } + + rewind (f); + + line = NULL; + linesz = 0; + if (getline (&line, &linesz, f) != 5) + { + perror ("getline"); + return 1; + } + if (strcmp (line, "line\n")) + { + puts ("Lines differ. Test FAILED!"); + return 1; + } + + if (fread (ibuf, sizeof ibuf, 1, f) != 1) + { + perror ("fread"); + return 1; + } + + if (memcmp (ibuf, obuf, sizeof ibuf)) + { + puts ("Buffers differ. Test FAILED!"); + return 1; + } + + asprintf (&line, "\ +GDB is free software and you are welcome to distribute copies of it\n\ + under certain conditions; type \"show copying\" to see the conditions.\n\ +There is absolutely no warranty for GDB; type \"show warranty\" for details.\n\ +"); + + puts ("Test succeeded."); + return 0; +} |