libcurl: update to 7.63

1 files changed, 13 insertions, 2 deletions

diff --git a/libs/libcurl/src/sendf.c b/libs/libcurl/src/sendf.c
index d3c10b3690..e8598e6173 100644
--- a/libs/libcurl/src/sendf.c
+++ b/libs/libcurl/src/sendf.c
@@ -237,7 +237,18 @@ void Curl_infof(struct Curl_easy *data, const char *fmt, ...)
     size_t len;
     char print_buffer[2048 + 1];
     va_start(ap, fmt);
-    vsnprintf(print_buffer, sizeof(print_buffer), fmt, ap);
+    len = mvsnprintf(print_buffer, sizeof(print_buffer), fmt, ap);
+    /*
+     * Indicate truncation of the input by replacing the last 3 characters
+     * with "...", and transfer the newline over in case the format had one.
+     */
+    if(len >= sizeof(print_buffer)) {
+      len = strlen(fmt);
+      if(fmt[--len] == '\n')
+        msnprintf(print_buffer + (sizeof(print_buffer) - 5), 5, "...\n");
+      else
+        msnprintf(print_buffer + (sizeof(print_buffer) - 4), 4, "...");
+    }
     va_end(ap);
     len = strlen(print_buffer);
     Curl_debug(data, CURLINFO_TEXT, print_buffer, len);
@@ -255,7 +266,7 @@ void Curl_failf(struct Curl_easy *data, const char *fmt, ...)
     size_t len;
     char error[CURL_ERROR_SIZE + 2];
     va_start(ap, fmt);
-    vsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
+    mvsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
     len = strlen(error);
 
     if(data->set.errorbuffer && !data->state.errorbuf) {