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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