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sudo v 1.8.10p3

    1: /*
    2:  * Copyright (c) 2010-2012 Todd C. Miller <Todd.Miller@courtesan.com>
    3:  *
    4:  * Permission to use, copy, modify, and distribute this software for any
    5:  * purpose with or without fee is hereby granted, provided that the above
    6:  * copyright notice and this permission notice appear in all copies.
    7:  *
    8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   15:  */
   16: 
   17: #include <config.h>
   18: 
   19: #include <sys/types.h>
   20: 
   21: #include <stdio.h>
   22: #ifdef STDC_HEADERS
   23: # include <stdlib.h>
   24: # include <stddef.h>
   25: #else
   26: # ifdef HAVE_STDLIB_H
   27: #  include <stdlib.h>
   28: # endif
   29: #endif /* STDC_HEADERS */
   30: #ifdef HAVE_STRING_H
   31: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
   32: #  include <memory.h>
   33: # endif
   34: # include <string.h>
   35: #endif /* HAVE_STRING_H */
   36: #ifdef HAVE_STRINGS_H
   37: # include <strings.h>
   38: #endif /* HAVE_STRINGS_H */
   39: 
   40: #include "missing.h"
   41: #include "sudo_debug.h"
   42: #include "sudo_util.h"
   43: 
   44: /*
   45:  * Allocate storage for a name=value string and return it.
   46:  */
   47: char *
   48: fmt_string(const char *var, const char *val)
   49: {
   50:     size_t var_len = strlen(var);
   51:     size_t val_len = strlen(val);
   52:     char *cp, *str;
   53:     debug_decl(fmt_string, SUDO_DEBUG_UTIL)
   54: 
   55:     cp = str = malloc(var_len + 1 + val_len + 1);
   56: 	if (str != NULL) {
   57: 	memcpy(cp, var, var_len);
   58: 	cp += var_len;
   59: 	*cp++ = '=';
   60: 	memcpy(cp, val, val_len);
   61: 	cp += val_len;
   62: 	*cp = '\0';
   63:     }
   64: 
   65:     debug_return_str(str);
   66: }