(xundump): Fix rev. 1.19.

diff --git a/src/lib/common/xundump.c b/src/lib/common/xundump.c
index 2a6944d9e424983a516a9480c3acfd6bd58606c6..dd8e0f4d6d1d0e3626a22c77fc36bce014fc2a3d 100644 (file)
--- a/src/lib/common/xundump.c
+++ b/src/lib/common/xundump.c
@@ -494,7 +494,10 @@ xundump(FILE *fp, char *file, int expected_table)
        return -1;
     ungetc(ch, fp);
 
-    if (fscanf(fp, "XDUMP%*[ \t]%63[^ \t#\n]%*[ \t]%*[^ \t#\n]", name) != 1)
+    res = -1;
+    if (fscanf(fp, "XDUMP%*[ \t]%63[^ \t#\n]%*[ \t]%*[^ \t#\n]%n",
+              name, &res) != 1
+       || res < 0)
        return gripe("Expected XDUMP header");
     if (skipfs(fp) != '\n')
        return gripe("Junk after XDUMP header");