increase buffer length check

dtkerns · dtkerns · commit d04631019bff · 2024-11-22T07:40:03.000-07:00
diff --git a/cmds.c b/cmds.c
@@ -2991,7 +2991,7 @@ readfile(char *fname, int eraseflg)
 		return 0;
 	    }
 	    *save = '|';
-	    if ((strlen(save) + strlen(fname) + 2) > PATHLEN) {
+	    if ((strlen(save) + strlen(fname) + 4) > PATHLEN) {
 		error("Path too long");
 		return 0;
 	    }

Original file line number	Diff line number	Diff line change
`@@ -2991,7 +2991,7 @@ readfile(char *fname, int eraseflg)`
`2991`	`2991`	`return 0;`
`2992`	`2992`	`}`
`2993`	`2993`	`*save = '\|';`
`2994`		`- if ((strlen(save) + strlen(fname) + 2) > PATHLEN) {`
	`2994`	`+ if ((strlen(save) + strlen(fname) + 4) > PATHLEN) {`
`2995`	`2995`	`error("Path too long");`
`2996`	`2996`	`return 0;`
`2997`	`2997`	`}`