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-rw-r--r--src/base/space.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/base/space.c b/src/base/space.c
index cc9ac48..229f88b 100644
--- a/src/base/space.c
+++ b/src/base/space.c
@@ -37,6 +37,8 @@ space_t *space_new(int w, int h, int segW, int segH,
{
space_t *new;
int i, j;
+
+ assert(w > 0 && h > 0 && segW > 0 && segH > 0);
new = malloc(sizeof(space_t));