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Define-away putenv only if it's not already defined.

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This commit is contained in:
Jim Meyering
1997-06-29 20:12:52 +00:00
parent 90c131fa21
commit 551c02f7b6
1 changed files with 8 additions and 3 deletions
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11
lib/putenv.c
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@@ -24,8 +24,11 @@
#endif
/* Define-away any (possibly conflicting) prototype of putenv.
Many systems omit the `const' attribute on the argument. */
#define putenv _sys_putenv
Many systems omit the `const' attribute on the argument.
Define-away only if it's not already defined (e.g. to rpl_putenv). */
#ifndef putenv
# define putenv _sys_putenv
#endif
#if defined (__GNU_LIBRARY__) || defined (HAVE_STDLIB_H)
# include <stdlib.h>
@@ -37,7 +40,9 @@
# include <unistd.h>
#endif
#undef putenv
#ifndef putenv
# undef putenv
#endif
#if !defined (__GNU_LIBRARY__) && !defined (HAVE_STRCHR)
# define strchr index