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a414eecb | 1 | /*- |
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2 | * Copyright (c) 1988 The Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
a414eecb | 5 | * %sccs.include.redist.c% |
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6 | */ |
7 | ||
8 | #if defined(LIBC_SCCS) && !defined(lint) | |
ba29fcd1 | 9 | static char sccsid[] = "@(#)putenv.c 5.3 (Berkeley) %G%"; |
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10 | #endif /* LIBC_SCCS and not lint */ |
11 | ||
a414eecb | 12 | #include <stdlib.h> |
ba29fcd1 | 13 | #include <string.h> |
a414eecb | 14 | |
ba29fcd1 | 15 | int |
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16 | putenv(str) |
17 | char *str; | |
18 | { | |
ba29fcd1 | 19 | register char *p, *equal; |
7cf51919 | 20 | int rval; |
7cf51919 | 21 | |
ba29fcd1 | 22 | if (!(p = strdup(str))) |
7cf51919 | 23 | return(1); |
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24 | if (!(equal = index(p, '='))) { |
25 | (void)free(p); | |
26 | return(1); | |
27 | } | |
7cf51919 | 28 | *equal = '\0'; |
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29 | rval = setenv(p, equal + 1, 1); |
30 | (void)free(p); | |
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31 | return(rval); |
32 | } |