Fix crashing bug introduced in previous commit of this file

Don't pass NULL to strcasestr().

Fix crashing bug introduced in previous commit of this file
Don't pass NULL to strcasestr().
6dd2aedb · Rob Swindell · 72b17e66 · 6dd2aedb
Commit 6dd2aedb authored Nov 11, 2020 by Rob Swindell 💬
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src/smblib/smbtxt.c src/smblib/smbtxt.c +2 -1

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--- a/src/smblib/smbtxt.c
+++ b/src/smblib/smbtxt.c
@@ -367,7 +367,8 @@ void SMBCALL smb_parse_content_type(const char* content_type, char** subtype, ch
 				*tp = 0;
 			}
 		}
-		if(charset != NULL && ((p = strcasestr(p, " charset=")) != NULL || (p = strcasestr(p, ";charset=")) != NULL)) {
+		char* parms = p;
+		if(charset != NULL && ((p = strcasestr(parms, " charset=")) != NULL || (p = strcasestr(parms, ";charset=")) != NULL)) {
 			BOOL quoted = FALSE;
 			p += 9;
 			if(*p == '"') {