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a84dcb4bdf
With fortification enabled, fread calls return result needs to be checked, has it gets the __wur macro enabled. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
56 lines
833 B
C
56 lines
833 B
C
#include <stdio.h>
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#include <string.h>
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#include <support/xstdio.h>
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int
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main (void)
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{
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FILE *f;
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int i;
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const char filename[] = OBJPFX "bug3.test";
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f = fopen(filename, "w+");
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for (i=0; i<9000; i++)
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putc ('x', f);
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fseek (f, 8180L, 0);
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fwrite ("Where does this text go?", 1, 24, f);
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fflush (f);
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rewind (f);
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for (i=0; i<9000; i++)
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{
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int j;
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if ((j = getc(f)) != 'x')
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{
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if (i != 8180)
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{
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printf ("Test FAILED!");
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return 1;
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}
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else
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{
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char buf[25];
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buf[0] = j;
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xfread (buf + 1, 1, 23, f);
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buf[24] = '\0';
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if (strcmp (buf, "Where does this text go?") != 0)
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{
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printf ("%s\nTest FAILED!\n", buf);
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return 1;
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}
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i += 23;
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}
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}
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}
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fclose(f);
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remove(filename);
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puts ("Test succeeded.");
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return 0;
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}
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