mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
8c4f69d711
When enabling _FORTIFY_SOURCE, some functions now lead to warnings when their result is not checked. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <support/support.h>
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
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;
|
|
}
|
|
|
|
line = xasprintf ("\
|
|
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;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|