Fixed ngx_parse_size() / ngx_parse_offset() with 0-length strings.

diff --git a/src/core/ngx_parse.c b/src/core/ngx_parse.c
index 7b60c5fb65a3c9c8e3084d47dadfdc5d8b1ff3ef..d35e60fac8b4a6d8b1c8b0769d9a74764d27b5dd 100644 (file)
--- a/src/core/ngx_parse.c
+++ b/src/core/ngx_parse.c
@@ -17,6 +17,11 @@ ngx_parse_size(ngx_str_t *line)
     ssize_t  size, scale, max;
 
     len = line->len;
+
+    if (len == 0) {
+        return NGX_ERROR;
+    }
+
     unit = line->data[len - 1];
 
     switch (unit) {
@@ -58,6 +63,11 @@ ngx_parse_offset(ngx_str_t *line)
     size_t  len;
 
     len = line->len;
+
+    if (len == 0) {
+        return NGX_ERROR;
+    }
+
     unit = line->data[len - 1];
 
     switch (unit) {