Fix CID 33235: Argument cannot be negative

da406c0a · Rob Swindell · 300cc8fc · da406c0a
Commit da406c0a authored Mar 13, 2022 by Rob Swindell 💬
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src/sbbs3/writemsg.cpp src/sbbs3/writemsg.cpp +1 -1

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--- a/src/sbbs3/writemsg.cpp
+++ b/src/sbbs3/writemsg.cpp
@@ -1278,7 +1278,7 @@ bool sbbs_t::editfile(char *fname, bool msg)
 	}
 	if((file=nopen(fname,O_RDONLY))!=-1) {
 		length=(long)filelength(file);
-		if(length>(long)maxlines*MAX_LINE_LEN) {
+		if(length < 0 || length>(long)maxlines*MAX_LINE_LEN) {
 			close(file);
 			free(buf); 
 			attr(cfg.color[clr_err]);