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Diffstat (limited to 'src/core/ngx_string.c')
-rw-r--r--src/core/ngx_string.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/core/ngx_string.c b/src/core/ngx_string.c
index 1164cc445..a236654d7 100644
--- a/src/core/ngx_string.c
+++ b/src/core/ngx_string.c
@@ -190,7 +190,9 @@ ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
case 'V':
s = va_arg(args, ngx_str_t *);
- len = (buf + s->len < last) ? s->len : (size_t) (last - buf);
+ len = s->len & 0xffff;
+ len = (buf + len < last) ? len : (size_t) (last - buf);
+
buf = ngx_cpymem(buf, s->data, len);
fmt++;