diff options
Diffstat (limited to 'lib/putenv.c')
| -rw-r--r-- | lib/putenv.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/putenv.c b/lib/putenv.c index df2f39fe5..5e9a8631e 100644 --- a/lib/putenv.c +++ b/lib/putenv.c @@ -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 |