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-rw-r--r--file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/file.c b/file.c
index c5aeb88..330ae3a 100644
--- a/file.c
+++ b/file.c
@@ -3995,7 +3995,7 @@ process_textarea(struct parsed_tag *tag, int width)
cur_textarea_size = 20;
if (parsedtag_get_value(tag, ATTR_COLS, &p)) {
cur_textarea_size = atoi(p);
- if (p[strlen(p) - 1] == '%')
+ if (strlen(p) > 0 && p[strlen(p) - 1] == '%')
cur_textarea_size = width * cur_textarea_size / 100 - 2;
if (cur_textarea_size <= 0) {
cur_textarea_size = 20;