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-rw-r--r--src/tool_setopt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tool_setopt.c b/src/tool_setopt.c
index 2982636e7..e1769ab04 100644
--- a/src/tool_setopt.c
+++ b/src/tool_setopt.c
@@ -240,7 +240,7 @@ static char *c_escape(const char *str, curl_off_t len)
}
/* Allocate space based on worst-case */
- escaped = malloc(4 * len + 1 + cutoff);
+ escaped = malloc(4 * (size_t)len + 1 + cutoff);
if(!escaped)
return NULL;