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-rw-r--r--lib/malloc.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/malloc.c b/lib/malloc.c
index 0c3e9da68..6bbb97dc2 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -30,7 +30,11 @@
#include <stdlib.h>
-#include <errno.h>
+/* A function definition is only needed if NEED_MALLOC_GNU is defined above
+ or if the module 'malloc-posix' requests it. */
+#if NEED_MALLOC_GNU || (GNULIB_MALLOC_POSIX && !HAVE_MALLOC_POSIX)
+
+# include <errno.h>
/* Allocate an N-byte block of memory from the heap.
If N is zero, allocate a 1-byte block. */
@@ -40,17 +44,19 @@ rpl_malloc (size_t n)
{
void *result;
-#if NEED_MALLOC_GNU
+# if NEED_MALLOC_GNU
if (n == 0)
n = 1;
-#endif
+# endif
result = malloc (n);
-#if !HAVE_MALLOC_POSIX
+# if !HAVE_MALLOC_POSIX
if (result == NULL)
errno = ENOMEM;
-#endif
+# endif
return result;
}
+
+#endif