diff options
Diffstat (limited to 'contrib/sendmail/libsm/vsscanf.c')
-rw-r--r-- | contrib/sendmail/libsm/vsscanf.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/contrib/sendmail/libsm/vsscanf.c b/contrib/sendmail/libsm/vsscanf.c new file mode 100644 index 0000000..3de2224 --- /dev/null +++ b/contrib/sendmail/libsm/vsscanf.c @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2000-2001 Sendmail, 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 + * Donn Seeley at UUNET Technologies, Inc. + * + * 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: vsscanf.c,v 1.22 2001/09/11 04:04:49 gshapiro Exp $") +#include <string.h> +#include <sm/io.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 +*/ + +/* type declaration for later use */ +static ssize_t sm_eofread __P((SM_FILE_T *, char *, size_t)); + +/* ARGSUSED0 */ +static ssize_t +sm_eofread(fp, buf, len) + SM_FILE_T *fp; + char *buf; + size_t len; +{ + return 0; +} + +/* +** SM_VSSCANF -- scan a string to find data units +** +** Parameters: +** str -- strings containing data +** fmt -- format directive for finding data units +** ap -- 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 +sm_vsscanf(str, fmt, ap) + const char *str; + const char *fmt; + SM_VA_LOCAL_DECL +{ + SM_FILE_T fake; + + fake.sm_magic = SmFileMagic; + fake.f_timeout = SM_TIME_FOREVER; + fake.f_timeoutstate = SM_TIME_BLOCK; + fake.f_file = -1; + 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_read = sm_eofread; + fake.f_ub.smb_base = NULL; + fake.f_lb.smb_base = NULL; + fake.f_close = NULL; + fake.f_open = NULL; + fake.f_write = NULL; + fake.f_seek = NULL; + fake.f_setinfo = fake.f_getinfo = NULL; + fake.f_type = "sm_vsscanf:fake"; + return sm_vfscanf(&fake, SM_TIME_FOREVER, fmt, ap); +} |