From 158c24e761560006fc8b79770377e184e645ab4d Mon Sep 17 00:00:00 2001
From: Rob Swindell <rob@synchro.net>
Date: Sun, 28 Mar 2021 23:54:54 -0700
Subject: [PATCH] Fix crash (NULL ptr deref) when searching for text in
descriptions.
When a file has no summary, it's "desc" element is NULL.
---
src/sbbs3/listfile.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/sbbs3/listfile.cpp b/src/sbbs3/listfile.cpp
index c678a85efc..c054d00156 100644
--- a/src/sbbs3/listfile.cpp
+++ b/src/sbbs3/listfile.cpp
@@ -138,7 +138,7 @@ int sbbs_t::listfiles(uint dirnum, const char *filespec, FILE* tofile, long mode
}
#endif
if(mode&(FL_FINDDESC|FL_EXFIND)) {
- p = strcasestr(f->desc, filespec);
+ p = (f->desc == NULL) ? NULL : strcasestr(f->desc, filespec);
if(!(mode&FL_EXFIND) && p==NULL) {
m++;
continue;
--
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