mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-29 00:01:12 +00:00
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int result = 0;
|
|
char buf[100];
|
|
FILE *fp = fmemopen (buf, sizeof (buf), "w");
|
|
if (fp == NULL)
|
|
{
|
|
puts ("fmemopen failed");
|
|
return 0;
|
|
}
|
|
static const char str[] = "hello world";
|
|
#define nstr (sizeof (str) - 1)
|
|
fputs (str, fp);
|
|
off_t o = ftello (fp);
|
|
if (o != nstr)
|
|
{
|
|
printf ("first ftello returned %jd, expected %zu\n",
|
|
(intmax_t) o, nstr);
|
|
result = 1;
|
|
}
|
|
rewind (fp);
|
|
o = ftello (fp);
|
|
if (o != 0)
|
|
{
|
|
printf ("second ftello returned %jd, expected 0\n", (intmax_t) o);
|
|
result = 1;
|
|
}
|
|
if (fseeko (fp, 0, SEEK_END) != 0)
|
|
{
|
|
puts ("fseeko failed");
|
|
return 1;
|
|
}
|
|
o = ftello (fp);
|
|
if (o != nstr)
|
|
{
|
|
printf ("third ftello returned %jd, expected %zu\n",
|
|
(intmax_t) o, nstr);
|
|
result = 1;
|
|
}
|
|
rewind (fp);
|
|
static const char str2[] = "just hello";
|
|
#define nstr2 (sizeof (str2) - 1)
|
|
assert (nstr2 < nstr);
|
|
fputs (str2, fp);
|
|
o = ftello (fp);
|
|
if (o != nstr2)
|
|
{
|
|
printf ("fourth ftello returned %jd, expected %zu\n",
|
|
(intmax_t) o, nstr2);
|
|
result = 1;
|
|
}
|
|
fclose (fp);
|
|
static const char str3[] = "just hellod";
|
|
if (strcmp (buf, str3) != 0)
|
|
{
|
|
printf ("final string is \"%s\", expected \"%s\"\n",
|
|
buf, str3);
|
|
result = 1;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|