genunifont: fix ftell() error checking

We need to use signed types to actually see errors from ftell(). Fix it by
using "long" for status bits now.

Reported-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>

diff --git a/src/genunifont.c b/src/genunifont.c
index caedf4a..feaa3f4 100644 (file)
--- a/src/genunifont.c
+++ b/src/genunifont.c
@@ -119,7 +119,7 @@ static int parse_single_file(FILE *out, FILE *in)
        char buf[MAX_DATA_SIZE];
        struct unifont_glyph *g, **iter, *list, *last;
        int ret, num;
-       unsigned long status_max, status_cur;
+       long status_max, status_cur;
        unsigned long perc_prev, perc_now;
 
        if (fseek(in, 0, SEEK_END) != 0) {