[hackers] [sbase][PATCH] Realloc variants should not fail if the requested size is zero

[Mattias Andrée]

Signed-off-by: Mattias Andrée <maand...@kth.se>
---
 libutil/ealloc.c       | 2 +-
 libutil/reallocarray.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libutil/ealloc.c b/libutil/ealloc.c
index 320865d..5a3cce1 100644
--- a/libutil/ealloc.c
+++ b/libutil/ealloc.c
@@ -60,7 +60,7 @@ void *
 enrealloc(int status, void *p, size_t size)
 {
        p = realloc(p, size);
-       if (!p)
+       if (!p && size)
                enprintf(status, "realloc: out of memory\n");
        return p;
 }
diff --git a/libutil/reallocarray.c b/libutil/reallocarray.c
index c6e5219..b964626 100644
--- a/libutil/reallocarray.c
+++ b/libutil/reallocarray.c
@@ -43,7 +43,7 @@ ereallocarray(void *optr, size_t nmemb, size_t size)
 {
        void *p;
 
-       if (!(p = reallocarray(optr, nmemb, size)))
+       if (!(p = reallocarray(optr, nmemb, size)) && nmemb && size)
                eprintf("reallocarray: out of memory\n");
 
        return p;
-- 
2.7.3