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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <libc-internal.h>
#define FAIL() \
do { \
result = 1; \
printf ("test at line %d failed\n", __LINE__); \
} while (0)
int
main (void)
{
wchar_t *lsp;
char *sp;
float f;
double d;
char c[8];
int result = 0;
if (sscanf (" 0.25s x", "%e%3c", &f, c) != 2)
FAIL ();
else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
FAIL ();
/* GCC in C99 mode treats %a as the C99 format expecting float *,
but glibc with _GNU_SOURCE treats %as as the GNU allocation
extension, so resulting in "warning: format '%a' expects argument
of type 'float *', but argument 3 has type 'char **'". This
applies to the other %as, %aS and %a[] formats below as well. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
if (sscanf (" 1.25s x", "%as%2c", &sp, c) != 2)
FAIL ();
else
{
if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
FAIL ();
memset (sp, 'x', sizeof "1.25s");
free (sp);
}
DIAG_POP_NEEDS_COMMENT;
if (sscanf (" 2.25s x", "%las%2c", &d, c) != 2)
FAIL ();
else if (d != 2.25 || memcmp (c, " x", 2) != 0)
FAIL ();
/* See explanation above. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
if (sscanf (" 3.25S x", "%4aS%3c", &lsp, c) != 2)
FAIL ();
else
{
if (wcscmp (lsp, L"3.25") != 0 || memcmp (c, "S x", 3) != 0)
FAIL ();
memset (lsp, 'x', sizeof L"3.25");
free (lsp);
}
if (sscanf ("4.25[0-9.] x", "%a[0-9.]%8c", &sp, c) != 2)
FAIL ();
else
{
if (strcmp (sp, "4.25") != 0 || memcmp (c, "[0-9.] x", 8) != 0)
FAIL ();
memset (sp, 'x', sizeof "4.25");
free (sp);
}
DIAG_POP_NEEDS_COMMENT;
if (sscanf ("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-scanf14.XXXXXX"];
sprintf (fname, "%s/tst-scanf14.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 ();
/* See explanation above. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
if (fscanf (fp, "%as%2c", &sp, c) != 2)
FAIL ();
else
{
if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
FAIL ();
memset (sp, 'x', sizeof "1.25s");
free (sp);
}
DIAG_POP_NEEDS_COMMENT;
if (freopen (fname, "r", stdin) == NULL)
FAIL ();
else
{
/* See explanation above. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
if (scanf ("%as%2c", &sp, c) != 2)
FAIL ();
else
{
if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
FAIL ();
memset (sp, 'x', sizeof "1.25s");
free (sp);
}
DIAG_POP_NEEDS_COMMENT;
}
fclose (fp);
}
remove (fname);
return result;
}
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