Mirrors/libwebsockets
1
0
Fork 0
mirror of https://github.com/warmcat/libwebsockets.git synced 2025-03-09 00:00:04 +01:00
Code Issues Releases Wiki Activity

post-demo: some platforms cant handle NULL vsnprintf strings

Browse source
This commit is contained in:
Andy Green 2017-11-25 09:38:37 +08:00
parent 0060af62c5
commit 0ed131e6a7
1 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
plugins/protocol_post_demo.c
View file

@ -149,12 +149,18 @@ callback_post_demo(struct lws *wsi, enum lws_callback_reasons reason,
"<html><body><h1>Form results (after urldecoding)</h1>"
"<table><tr><td>Name</td><td>Length</td><td>Value</td></tr>");
for (n = 0; n < (int)ARRAY_SIZE(param_names); n++)
p += lws_snprintf((char *)p, end - p,
for (n = 0; n < (int)ARRAY_SIZE(param_names); n++) {
if (!lws_spa_get_string(pss->spa, n))
p += lws_snprintf((char *)p, end - p,
"<tr><td><b>%s</b></td><td>0</td><td>NULL</td></tr>",
param_names[n]);
else
p += lws_snprintf((char *)p, end - p,
"<tr><td><b>%s</b></td><td>%d</td><td>%s</td></tr>",
param_names[n],
lws_spa_get_length(pss->spa, n),
lws_spa_get_string(pss->spa, n));
}
p += lws_snprintf((char *)p, end - p, "</table><br><b>filename:</b> %s, <b>length</b> %ld",
pss->filename, pss->file_length);