lib: Always set errno in hcreate_r
This could give a confusing error message if it failed and didn't set
errno.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/lib/hashtable.c b/lib/hashtable.c
index b96dbe1..7b6781b 100644
--- a/lib/hashtable.c
+++ b/lib/hashtable.c
@@ -110,8 +110,10 @@
}
/* There is still another table active. Return with error. */
- if (htab->table != NULL)
+ if (htab->table != NULL) {
+ __set_errno(EINVAL);
return 0;
+ }
/* Change nel to the first prime number not smaller as nel. */
nel |= 1; /* make odd */
@@ -124,8 +126,10 @@
/* allocate memory and zero out */
htab->table = (struct env_entry_node *)calloc(htab->size + 1,
sizeof(struct env_entry_node));
- if (htab->table == NULL)
+ if (htab->table == NULL) {
+ __set_errno(ENOMEM);
return 0;
+ }
/* everything went alright */
return 1;