1 files changed, 8 insertions, 1 deletions
diff --git a/src/prc1/prc1.c b/src/prc1/prc1.c
index 2822cc5..634608b 100644
--- a/src/prc1/prc1.c
+++ b/src/prc1/prc1.c
@@ -41,7 +41,14 @@ int main(int argc, char *argv[])
         fname = args.src;
     }
 
-    l.loc.f = fname;
+    if (!(l.loc.f = malloc(strlen(fname) + 1)))
+    {
+        perror("malloc(3)");
+        goto end;
+    }
+    else
+        strcpy(l.loc.f, fname);
+
     l.args = a.args = &args;
 
     if (lex(&l, f) || parse(&l, &a) || cgen(&a, &c))