[monitoring-plugins] Update check_http.c

[Gerhard Lausser]

 Module: monitoring-plugins
 Branch: master
 Commit: 8727768834f6f7f27bcc0ffb465994124282f2bc
 Author: Gerhard Lausser <gerhard.lausser at consol.de>
   Date: Wed Nov  4 16:18:37 2015 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=8727768

Update check_http.c

If a web page contains a nul character, check_http reads the complete page but --expect does not search beyond this character.

---

 plugins/check_http.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/check_http.c b/plugins/check_http.c
index 2038f4a..a2b7624 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -1022,6 +1022,10 @@ check_http (void)
       microsec_firstbyte = deltime (tv_temp);
       elapsed_time_firstbyte = (double)microsec_firstbyte / 1.0e6;
     }
+    while (pos = memchr(buffer, '\0', i)) {
+      /* replace nul character with a blank */
+      *pos = ' ';
+    }
     buffer[i] = '\0';
     xasprintf (&full_page_new, "%s%s", full_page, buffer);
     free (full_page);