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📄 Makefile(346 B)
📄 Makefile.m4(1.92 KB)
📄 README(4.42 KB)
📄 assert.c(4.13 KB)
📄 assert.html(13.86 KB)
📄 b-strcmp.c(3.4 KB)
📄 b-strl.c(5 KB)
📄 cdefs.html(2.39 KB)
📄 cf.c(1.97 KB)
📄 clock.c(13.89 KB)
📄 clrerr.c(872 B)
📄 config.c(4.47 KB)
📄 debug.c(8.91 KB)
📄 debug.html(7.68 KB)
📄 errstring.c(6.03 KB)
📄 exc.c(13.05 KB)
📄 exc.html(23.27 KB)
📄 fclose.c(3.13 KB)
📄 feof.c(961 B)
📄 ferror.c(932 B)
📄 fflush.c(3.1 KB)
📄 fget.c(2.37 KB)
📄 findfp.c(10.65 KB)
📄 flags.c(1.27 KB)
📄 fopen.c(8.3 KB)
📄 fpos.c(3.12 KB)
📄 fprintf.c(1.35 KB)
📄 fpurge.c(1.15 KB)
📄 fput.c(1.25 KB)
📄 fread.c(2.28 KB)
📄 fscanf.c(1.34 KB)
📄 fseek.c(7.25 KB)
📄 fvwrite.c(6.24 KB)
📄 fvwrite.h(740 B)
📄 fwalk.c(1.41 KB)
📄 fwrite.c(1.54 KB)
📄 gen.html(910 B)
📄 get.c(1.12 KB)
📄 glue.h(731 B)
📄 heap.c(17.29 KB)
📄 heap.html(13.07 KB)
📄 index.html(5.95 KB)
📄 inet6_ntop.c(1.1 KB)
📄 io.html(26.6 KB)
📄 ldap.c(35.72 KB)
📄 local.h(9.42 KB)
📄 makebuf.c(3.36 KB)
📄 match.c(2.77 KB)
📄 mbdb.c(16.61 KB)
📄 memstat.c(5.13 KB)
📄 mpeix.c(13.84 KB)
📄 niprop.c(4.64 KB)
📄 notify.c(3.32 KB)
📄 put.c(1.61 KB)
📄 refill.c(7.09 KB)
📄 rewind.c(1.08 KB)
📄 rpool.c(11.54 KB)
📄 rpool.html(6.08 KB)
📄 sem.c(4.41 KB)
📄 setvbuf.c(4.2 KB)
📄 shm.c(2.62 KB)
📄 signal.c(6.75 KB)
📄 smstdio.c(6.14 KB)
📄 snprintf.c(2.29 KB)
📄 sscanf.c(2.26 KB)
📄 stdio.c(9.7 KB)
📄 strcasecmp.c(3.14 KB)
📄 strdup.c(2.79 KB)
📄 strerror.c(1.27 KB)
📄 strexit.c(2.76 KB)
📄 string.c(1.29 KB)
📄 stringf.c(1.77 KB)
📄 strio.c(9.18 KB)
📄 strl.c(7.52 KB)
📄 strrevcmp.c(1.61 KB)
📄 strto.c(5.45 KB)
📄 syslogio.c(4.11 KB)
📄 t-cf.c(934 B)
📄 t-event.c(1.79 KB)
📄 t-exc.c(2.75 KB)
📄 t-fget.c(1.71 KB)
📄 t-float.c(1.78 KB)
📄 t-fopen.c(875 B)
📄 t-heap.c(1.3 KB)
📄 t-inet6_ntop.c(1.4 KB)
📄 t-match.c(1.1 KB)
📄 t-memstat.c(2.17 KB)
📄 t-notify.c(1.81 KB)
📄 t-path.c(742 B)
📄 t-qic.c(5.43 KB)
📄 t-rpool.c(1.5 KB)
📄 t-scanf.c(1.38 KB)
📄 t-sem.c(5.85 KB)
📄 t-shm.c(4.42 KB)
📄 t-smstdio.c(1.55 KB)
📄 t-string.c(968 B)
📄 t-strio.c(775 B)
📄 t-strl.c(3.53 KB)
📄 t-strrevcmp.c(994 B)
📄 t-types.c(2.7 KB)
📄 test.c(2.73 KB)
📄 ungetc.c(3.93 KB)
📄 util.c(4.46 KB)
📄 vasprintf.c(2.91 KB)
📄 vfprintf.c(24.09 KB)
📄 vfscanf.c(18.76 KB)
📄 vprintf.c(999 B)
📄 vsnprintf.c(1.87 KB)
📄 wbuf.c(2.51 KB)
📄 wsetup.c(1.88 KB)
📄 xtrap.c(653 B)

Editing: snprintf.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: snprintf.c,v 1.25 2013-11-22 20:51:43 ca Exp $")
#include <limits.h>
#include <sm/varargs.h>
#include <sm/io.h>
#include <sm/string.h>
#include "local.h"

/*
**  SM_SNPRINTF -- format a string to a memory location of restricted size
**
**	Parameters:
**		str -- memory location to place formatted string
**		n -- size of buffer pointed to by str, capped to
**			a maximum of INT_MAX
**		fmt -- the formatting directives
**		... -- the data to satisfy the formatting
**
**	Returns:
**		Failure: -1
**		Success: number of bytes that would have been written
**			to str, not including the trailing '\0',
**			up to a maximum of INT_MAX, as if there was
**			no buffer size limitation.  If the result >= n
**			then the output was truncated.
**
**	Side Effects:
**		If n > 0, then between 0 and n-1 bytes of formatted output
**		are written into 'str', followed by a '\0'.
*/

int
#if SM_VA_STD
sm_snprintf(char *str, size_t n, char const *fmt, ...)
#else /* SM_VA_STD */
sm_snprintf(str, n, fmt, va_alist)
	char *str;
	size_t n;
	char *fmt;
	va_dcl
#endif /* SM_VA_STD */
{
	int ret;
	SM_VA_LOCAL_DECL
	SM_FILE_T fake;

/* While snprintf(3) specifies size_t stdio uses an int internally */
	if (n > INT_MAX)
		n = INT_MAX;
	SM_VA_START(ap, fmt);

/* XXX put this into a static? */
	fake.sm_magic = SmFileMagic;
	fake.f_file = -1;
	fake.f_flags = SMWR | SMSTR;
	fake.f_cookie = &fake;
	fake.f_bf.smb_base = fake.f_p = (unsigned char *)str;
	fake.f_bf.smb_size = fake.f_w = n ? n - 1 : 0;
	fake.f_timeout = SM_TIME_FOREVER;
	fake.f_timeoutstate = SM_TIME_BLOCK;
	fake.f_close = NULL;
	fake.f_open = NULL;
	fake.f_read = NULL;
	fake.f_write = NULL;
	fake.f_seek = NULL;
	fake.f_setinfo = fake.f_getinfo = NULL;
	fake.f_type = "sm_snprintf:fake";
	ret = sm_io_vfprintf(&fake, SM_TIME_FOREVER, fmt, ap);
	if (n > 0)
		*fake.f_p = '\0';
	SM_VA_END(ap);
	return ret;
}

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Editing: snprintf.c

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