1 files changed, 103 insertions, 0 deletions
diff --git a/contrib/sendmail/libsm/sscanf.c b/contrib/sendmail/libsm/sscanf.c
new file mode 100644
index 0000000..178e76b
--- /dev/null
+++ b/contrib/sendmail/libsm/sscanf.c
@@ -0,0 +1,103 @@
+/*
+ * 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
+ * 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 1.24 2001/09/11 04:04:49 gshapiro 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_lb.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;
+}