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#undef _GNU_SOURCE
#define _XOPEN_SOURCE 600
#undef _LIBC
/* The following macro definitions are a hack. They word around disabling
the GNU extension while still using a few internal headers. */
#define u_char unsigned char
#define u_short unsigned short
#define u_int unsigned int
#define u_long unsigned long
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#define FAIL() \
do { \
result = 1; \
printf ("test at line %d failed\n", __LINE__); \
} while (0)
static int
xsscanf (const char *str, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
int ret = vsscanf (str, fmt, ap);
va_end (ap);
return ret;
}
static int
xscanf (const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
int ret = vscanf (fmt, ap);
va_end (ap);
return ret;
}
static int
xfscanf (FILE *f, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
int ret = vfscanf (f, fmt, ap);
va_end (ap);
return ret;
}
int
main (void)
{
float f;
double d;
char c[8];
int result = 0;
if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2)
FAIL ();
else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
FAIL ();
if (xsscanf (" 1.25s x", "%as%2c", &f, c) != 2)
FAIL ();
else if (f != 1.25 || memcmp (c, " x", 2) != 0)
FAIL ();
if (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2)
FAIL ();
else if (d != 2.25 || memcmp (c, " x", 2) != 0)
FAIL ();
if (xsscanf (" 3.25S x", "%4aS%2c", &f, c) != 2)
FAIL ();
else if (f != 3.25 || memcmp (c, " x", 2) != 0)
FAIL ();
if (xsscanf (" 4.25[0-9.] x", "%a[0-9.]%2c", &f, c) != 2)
FAIL ();
else if (f != 4.25 || memcmp (c, " x", 2) != 0)
FAIL ();
if (xsscanf (" 5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2)
FAIL ();
else if (d != 5.25 || memcmp (c, " x", 2) != 0)
FAIL ();
const char *tmpdir = getenv ("TMPDIR");
if (tmpdir == NULL || tmpdir[0] == '\0')
tmpdir = "/tmp";
char fname[strlen (tmpdir) + sizeof "/tst-scanf17.XXXXXX"];
sprintf (fname, "%s/tst-scanf17.XXXXXX", tmpdir);
if (fname == NULL)
FAIL ();
/* Create a temporary file. */
int fd = mkstemp (fname);
if (fd == -1)
FAIL ();
FILE *fp = fdopen (fd, "w+");
if (fp == NULL)
FAIL ();
else
{
if (fputs (" 1.25s x", fp) == EOF)
FAIL ();
if (fseek (fp, 0, SEEK_SET) != 0)
FAIL ();
if (xfscanf (fp, "%as%2c", &f, c) != 2)
FAIL ();
else if (f != 1.25 || memcmp (c, " x", 2) != 0)
FAIL ();
if (freopen (fname, "r", stdin) == NULL)
FAIL ();
else
{
if (xscanf ("%as%2c", &f, c) != 2)
FAIL ();
else if (f != 1.25 || memcmp (c, " x", 2) != 0)
FAIL ();
}
fclose (fp);
}
remove (fname);
return result;
}
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