diff options
Diffstat (limited to 'src/lib/libc/stdlib/getenv.c')
-rw-r--r-- | src/lib/libc/stdlib/getenv.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/src/lib/libc/stdlib/getenv.c b/src/lib/libc/stdlib/getenv.c deleted file mode 100644 index 068d70a999..0000000000 --- a/src/lib/libc/stdlib/getenv.c +++ /dev/null | |||
@@ -1,78 +0,0 @@ | |||
1 | /* $OpenBSD: getenv.c,v 1.13 2024/07/10 14:17:58 jca Exp $ */ | ||
2 | /* | ||
3 | * Copyright (c) 1987, 1993 | ||
4 | * The Regents of the University of California. All rights reserved. | ||
5 | * | ||
6 | * Redistribution and use in source and binary forms, with or without | ||
7 | * modification, are permitted provided that the following conditions | ||
8 | * are met: | ||
9 | * 1. Redistributions of source code must retain the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer. | ||
11 | * 2. Redistributions in binary form must reproduce the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer in the | ||
13 | * documentation and/or other materials provided with the distribution. | ||
14 | * 3. Neither the name of the University nor the names of its contributors | ||
15 | * may be used to endorse or promote products derived from this software | ||
16 | * without specific prior written permission. | ||
17 | * | ||
18 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
28 | * SUCH DAMAGE. | ||
29 | */ | ||
30 | |||
31 | #include <stdlib.h> | ||
32 | #include <string.h> | ||
33 | |||
34 | |||
35 | /* | ||
36 | * __findenv -- | ||
37 | * Returns pointer to value associated with name, if any, else NULL. | ||
38 | * Starts searching within the environmental array at offset. | ||
39 | * Sets offset to be the offset of the name/value combination in the | ||
40 | * environmental array, for use by putenv(3), setenv(3) and unsetenv(3). | ||
41 | * Explicitly removes '=' in argument name. | ||
42 | */ | ||
43 | char * | ||
44 | __findenv(const char *name, int len, int *offset) | ||
45 | { | ||
46 | int i; | ||
47 | const char *np; | ||
48 | char **p, *cp; | ||
49 | |||
50 | if (name == NULL || environ == NULL) | ||
51 | return (NULL); | ||
52 | for (p = environ + *offset; (cp = *p) != NULL; ++p) { | ||
53 | for (np = name, i = len; i && *cp; i--) | ||
54 | if (*cp++ != *np++) | ||
55 | break; | ||
56 | if (i == 0 && *cp++ == '=') { | ||
57 | *offset = p - environ; | ||
58 | return (cp); | ||
59 | } | ||
60 | } | ||
61 | return (NULL); | ||
62 | } | ||
63 | |||
64 | /* | ||
65 | * getenv -- | ||
66 | * Returns ptr to value associated with name, if any, else NULL. | ||
67 | */ | ||
68 | char * | ||
69 | getenv(const char *name) | ||
70 | { | ||
71 | int offset = 0; | ||
72 | const char *np; | ||
73 | |||
74 | for (np = name; *np && *np != '='; ++np) | ||
75 | ; | ||
76 | return (__findenv(name, (int)(np - name), &offset)); | ||
77 | } | ||
78 | DEF_STRONG(getenv); | ||