r.in.gridatb: check if opening of file succeeds (OSGeo#4532)

neteler · Oct 16, 2024 · 2415894 · 2415894
1 parent bc9cb2a
commit 2415894
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/raster/r.in.gridatb/file_io.c b/raster/r.in.gridatb/file_io.c
@@ -12,6 +12,9 @@ void rdwr_gridatb(void)
     float idx;
 
     fp = fopen(file, "r");
+    if (!fp) {
+        G_fatal_error(_("Unable to open file: %s"), file);
+    }
 
     buf[0] = 0;
     if (fscanf(fp, "%[^\n]", buf) != 1)