vis

a vi-like editor based on Plan 9's structural regular expressions

git clone https://9o.is/git/vis.git

commit 74c6be4bf827ea18aa6da44a589e11260e5e790e
parent c8c8dff5388f7c59e6bf54190b9610ba3fd2e85a
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Wed, 17 Feb 2016 10:49:32 +0100

map: set errno to EEXIST when trying to map_put a duplicate value

Diffstat:

Mmap.c | 1+


1 file changed, 1 insertion(+), 0 deletions(-)

diff --git a/map.c b/map.c
@@ -113,6 +113,7 @@ bool map_put(Map *map, const char *k, const void *value)
 		if (key[byte_num] == '\0') {
 			/* All identical! */
 			free(key);
+			errno = EEXIST;
 			return false;
 		}
 	}