mcst-linux-kernel/glibc-2.35/stdio-common/bug3.c

54 lines
803 B
C

#include <stdio.h>
#include <string.h>
int
main (void)
{
FILE *f;
int i;
const char filename[] = OBJPFX "bug3.test";
f = fopen(filename, "w+");
for (i=0; i<9000; i++)
putc ('x', f);
fseek (f, 8180L, 0);
fwrite ("Where does this text go?", 1, 24, f);
fflush (f);
rewind (f);
for (i=0; i<9000; i++)
{
int j;
if ((j = getc(f)) != 'x')
{
if (i != 8180)
{
printf ("Test FAILED!");
return 1;
}
else
{
char buf[25];
buf[0] = j;
fread (buf + 1, 1, 23, f);
buf[24] = '\0';
if (strcmp (buf, "Where does this text go?") != 0)
{
printf ("%s\nTest FAILED!\n", buf);
return 1;
}
i += 23;
}
}
}
fclose(f);
remove(filename);
puts ("Test succeeded.");
return 0;
}