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glibc/libio/tst-memstream1.c
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#include <mcheck.h> | |
#include <stdio.h> | |
#ifndef CHAR_T | |
# define CHAR_T char | |
# define W(o) o | |
# define OPEN_MEMSTREAM open_memstream | |
#endif | |
#define S(s) S1 (s) | |
#define S1(s) #s | |
static void | |
mcheck_abort (enum mcheck_status ev) | |
{ | |
printf ("mecheck failed with status %d\n", (int) ev); | |
exit (1); | |
} | |
static int | |
do_test (void) | |
{ | |
mcheck_pedantic (mcheck_abort); | |
CHAR_T *buf = (CHAR_T *) 1l; | |
size_t len = 12345; | |
FILE *fp = OPEN_MEMSTREAM (&buf, &len); | |
if (fp == NULL) | |
{ | |
printf ("%s failed\n", S(OPEN_MEMSTREAM)); | |
return 1; | |
} | |
if (fflush (fp) != 0) | |
{ | |
puts ("fflush failed"); | |
return 1; | |
} | |
if (len != 0) | |
{ | |
puts ("string after no write not empty"); | |
return 1; | |
} | |
if (buf == (CHAR_T *) 1l) | |
{ | |
puts ("buf not updated"); | |
return 1; | |
} | |
if (buf[0] != W('\0')) | |
{ | |
puts ("buf[0] != 0"); | |
return 1; | |
} | |
buf = (CHAR_T *) 1l; | |
len = 12345; | |
if (fclose (fp) != 0) | |
{ | |
puts ("fclose failed"); | |
return 1; | |
} | |
if (len != 0) | |
{ | |
puts ("string after close with no write not empty"); | |
return 1; | |
} | |
if (buf == (CHAR_T *) 1l) | |
{ | |
puts ("buf not updated"); | |
return 1; | |
} | |
if (buf[0] != W('\0')) | |
{ | |
puts ("buf[0] != 0"); | |
return 1; | |
} | |
free (buf); | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |