103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers.
|
|
* All rights reserved.
|
|
* Copyright (c) 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Chris Torek.
|
|
*
|
|
* By using this file, you agree to the terms and conditions set
|
|
* forth in the LICENSE file which can be found at the top level of
|
|
* the sendmail distribution.
|
|
*/
|
|
|
|
#include <sm/gen.h>
|
|
SM_RCSID("@(#)$Id: sscanf.c,v 1.26 2013-11-22 20:51:43 ca Exp $")
|
|
#include <string.h>
|
|
#include <sm/varargs.h>
|
|
#include <sm/io.h>
|
|
#include "local.h"
|
|
|
|
/*
|
|
** SM_EOFREAD -- dummy read function for faked file below
|
|
**
|
|
** Parameters:
|
|
** fp -- file pointer
|
|
** buf -- location to place read data
|
|
** len -- number of bytes to read
|
|
**
|
|
** Returns:
|
|
** 0 (zero) always
|
|
*/
|
|
|
|
static ssize_t
|
|
sm_eofread __P((
|
|
SM_FILE_T *fp,
|
|
char *buf,
|
|
size_t len));
|
|
|
|
/* ARGSUSED0 */
|
|
static ssize_t
|
|
sm_eofread(fp, buf, len)
|
|
SM_FILE_T *fp;
|
|
char *buf;
|
|
size_t len;
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** SM_IO_SSCANF -- scan a string to find data units
|
|
**
|
|
** Parameters:
|
|
** str -- strings containing data
|
|
** fmt -- format directive for finding data units
|
|
** ... -- memory locations to place format found data units
|
|
**
|
|
** Returns:
|
|
** Failure: SM_IO_EOF
|
|
** Success: number of data units found
|
|
**
|
|
** Side Effects:
|
|
** Attempts to strlen() 'str'; if not a '\0' terminated string
|
|
** then the call may SEGV/fail.
|
|
** Faking the string 'str' as a file.
|
|
*/
|
|
|
|
int
|
|
#if SM_VA_STD
|
|
sm_io_sscanf(const char *str, char const *fmt, ...)
|
|
#else /* SM_VA_STD */
|
|
sm_io_sscanf(str, fmt, va_alist)
|
|
const char *str;
|
|
char *fmt;
|
|
va_dcl
|
|
#endif /* SM_VA_STD */
|
|
{
|
|
int ret;
|
|
SM_FILE_T fake;
|
|
SM_VA_LOCAL_DECL
|
|
|
|
fake.sm_magic = SmFileMagic;
|
|
fake.f_flags = SMRD;
|
|
fake.f_bf.smb_base = fake.f_p = (unsigned char *) str;
|
|
fake.f_bf.smb_size = fake.f_r = strlen(str);
|
|
fake.f_file = -1;
|
|
fake.f_read = sm_eofread;
|
|
fake.f_write = NULL;
|
|
fake.f_close = NULL;
|
|
fake.f_open = NULL;
|
|
fake.f_seek = NULL;
|
|
fake.f_setinfo = fake.f_getinfo = NULL;
|
|
fake.f_type = "sm_io_sscanf:fake";
|
|
fake.f_flushfp = NULL;
|
|
fake.f_ub.smb_base = NULL;
|
|
fake.f_timeout = SM_TIME_FOREVER;
|
|
fake.f_timeoutstate = SM_TIME_BLOCK;
|
|
SM_VA_START(ap, fmt);
|
|
ret = sm_vfscanf(&fake, SM_TIME_FOREVER, fmt, ap);
|
|
SM_VA_END(ap);
|
|
return ret;
|
|
}
|