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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>
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#include <string.h>
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#include <support/support.h>
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static int
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do_test (void)
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{
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FILE *f = tmpfile ();
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char obuf[99999], ibuf[sizeof obuf];
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char *line;
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size_t linesz;
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if (! f)
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{
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perror ("tmpfile");
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return 1;
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}
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if (fputs ("line\n", f) == EOF)
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{
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perror ("fputs");
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return 1;
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}
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memset (obuf, 'z', sizeof obuf);
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memset (ibuf, 'y', sizeof ibuf);
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if (fwrite (obuf, sizeof obuf, 1, f) != 1)
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{
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perror ("fwrite");
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return 1;
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}
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rewind (f);
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line = NULL;
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linesz = 0;
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if (getline (&line, &linesz, f) != 5)
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{
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perror ("getline");
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return 1;
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}
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if (strcmp (line, "line\n"))
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{
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puts ("Lines differ. Test FAILED!");
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return 1;
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}
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if (fread (ibuf, sizeof ibuf, 1, f) != 1)
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{
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perror ("fread");
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return 1;
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}
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if (memcmp (ibuf, obuf, sizeof ibuf))
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{
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puts ("Buffers differ. Test FAILED!");
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return 1;
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}
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line = xasprintf ("\
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GDB is free software and you are welcome to distribute copies of it\n\
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under certain conditions; type \"show copying\" to see the conditions.\n\
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There is absolutely no warranty for GDB; type \"show warranty\" for details.\n\
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");
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puts ("Test succeeded.");
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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