which: fix buffer length checking

diff --git a/Applications/util/which.c b/Applications/util/which.c
index b25d33f..a673eb2 100644 (file)
--- a/Applications/util/which.c
+++ b/Applications/util/which.c
@@ -7,7 +7,7 @@ int main(int argc, char *argv[])
     int  quit, found;
     char *envpath;
     char *path, *cp;
-    char buf[200];
+    char buf[512];
     char patbuf[512];
 
     if (argc < 2) {
@@ -31,7 +31,7 @@ int main(int argc, char *argv[])
            } else {
                *cp = '\0';
            }
-           sprintf(buf, "%s/%s", (*path ? path : "."), *argv);
+           snprintf(buf, 512, "%s/%s", (*path ? path : "."), *argv);
            path = ++cp;
 
            if (access(buf, 1) == 0) {