2 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
10 * By using this file, you agree to the terms and conditions set
11 * forth in the LICENSE file which can be found at the top level of
12 * the sendmail distribution.
16 SM_RCSID("@(#)$Id: sscanf.c,v 1.25 2002/02/01 02:28:00 ca Exp $")
18 #include <sm/varargs.h>
23 ** SM_EOFREAD -- dummy read function for faked file below
27 ** buf -- location to place read data
28 ** len -- number of bytes to read
42 sm_eofread(fp, buf, len)
51 ** SM_IO_SSCANF -- scan a string to find data units
54 ** str -- strings containing data
55 ** fmt -- format directive for finding data units
56 ** ... -- memory locations to place format found data units
60 ** Success: number of data units found
63 ** Attempts to strlen() 'str'; if not a '\0' terminated string
64 ** then the call may SEGV/fail.
65 ** Faking the string 'str' as a file.
70 sm_io_sscanf(const char *str, char const *fmt, ...)
72 sm_io_sscanf(str, fmt, va_alist)
76 #endif /* SM_VA_STD */
82 fake.sm_magic = SmFileMagic;
84 fake.f_bf.smb_base = fake.f_p = (unsigned char *) str;
85 fake.f_bf.smb_size = fake.f_r = strlen(str);
87 fake.f_read = sm_eofread;
92 fake.f_setinfo = fake.f_getinfo = NULL;
93 fake.f_type = "sm_io_sscanf:fake";
94 fake.f_flushfp = NULL;
95 fake.f_ub.smb_base = NULL;
96 fake.f_timeout = SM_TIME_FOREVER;
97 fake.f_timeoutstate = SM_TIME_BLOCK;
99 ret = sm_vfscanf(&fake, SM_TIME_FOREVER, fmt, ap);