[GNUnet-SVN] [gnurl] 61/254: failf: use private buffer, don't clobber receive buffer

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ng0 pushed a commit to annotated tag gnurl-7.54.1
in repository gnurl.

commit f2fadf490f66ad364f5a6f0356d626dda5f9a82f
Author: Daniel Stenberg <address@hidden>
AuthorDate: Tue Apr 25 00:50:21 2017 +0200

    failf: use private buffer, don't clobber receive buffer
---
 lib/sendf.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/lib/sendf.c b/lib/sendf.c
index 84b6b4b2f..a7b33c286 100644
--- a/lib/sendf.c
+++ b/lib/sendf.c
@@ -243,21 +243,20 @@ void Curl_failf(struct Curl_easy *data, const char *fmt, 
...)
 {
   va_list ap;
   size_t len;
+  char error[CURL_ERROR_SIZE + 2];
   va_start(ap, fmt);
 
-  vsnprintf(data->state.buffer, BUFSIZE, fmt, ap);
+  vsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
+  len = strlen(error);
 
   if(data->set.errorbuffer && !data->state.errorbuf) {
-    snprintf(data->set.errorbuffer, CURL_ERROR_SIZE, "%s", data->state.buffer);
+    strcpy(data->set.errorbuffer, error);
     data->state.errorbuf = TRUE; /* wrote error string */
   }
   if(data->set.verbose) {
-    len = strlen(data->state.buffer);
-    if(len < BUFSIZE - 1) {
-      data->state.buffer[len] = '\n';
-      data->state.buffer[++len] = '\0';
-    }
-    Curl_debug(data, CURLINFO_TEXT, data->state.buffer, len, NULL);
+    error[len] = '\n';
+    error[++len] = '\0';
+    Curl_debug(data, CURLINFO_TEXT, error, len, NULL);
   }
 
   va_end(ap);

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