File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / sudo / common / fmt_string.c
Revision 1.1: download - view: text, annotated - select for diffs - revision graph
Tue Feb 21 16:23:02 2012 UTC (12 years, 4 months ago) by misho
CVS tags: MAIN, HEAD
Initial revision

    1: /*
    2:  * Copyright (c) 2010-2011 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: #include <sys/param.h>
   21: 
   22: #include <stdio.h>
   23: #ifdef STDC_HEADERS
   24: # include <stdlib.h>
   25: # include <stddef.h>
   26: #else
   27: # ifdef HAVE_STDLIB_H
   28: #  include <stdlib.h>
   29: # endif
   30: #endif /* STDC_HEADERS */
   31: #ifdef HAVE_STRING_H
   32: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
   33: #  include <memory.h>
   34: # endif
   35: # include <string.h>
   36: #endif /* HAVE_STRING_H */
   37: #ifdef HAVE_STRINGS_H
   38: # include <strings.h>
   39: #endif /* HAVE_STRINGS_H */
   40: 
   41: #include "missing.h"
   42: 
   43: /*
   44:  * Allocate storage for a name=value string and return it.
   45:  */
   46: char *
   47: fmt_string(const char *var, const char *val)
   48: {
   49:     size_t var_len = strlen(var);
   50:     size_t val_len = strlen(val);
   51:     char *cp, *str;
   52: 
   53:     cp = str = malloc(var_len + 1 + val_len + 1);
   54: 	if (str != NULL) {
   55: 	memcpy(cp, var, var_len);
   56: 	cp += var_len;
   57: 	*cp++ = '=';
   58: 	memcpy(cp, val, val_len);
   59: 	cp += val_len;
   60: 	*cp = '\0';
   61:     }
   62: 
   63:     return str;
   64: }

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