[libgxps] Use g_ascii_strtoll() instead of strtol in gxps_value_get_int()

[Carlos Garcia Campos <carlosgc src gnome org>]

commit c5f7d532226bdeaf9bfb92868257c54fa70b056c
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Thu Nov 3 19:07:03 2011 +0100

    Use g_ascii_strtoll() instead of strtol in gxps_value_get_int()

 libgxps/gxps-parse-utils.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)
---
diff --git a/libgxps/gxps-parse-utils.c b/libgxps/gxps-parse-utils.c
index 9854103..b92eca2 100644
--- a/libgxps/gxps-parse-utils.c
+++ b/libgxps/gxps-parse-utils.c
@@ -256,17 +256,18 @@ gboolean
 gxps_value_get_int (const gchar *value,
 		    gint        *int_value)
 {
-	long l;
+	gint64 result;
 	gchar *endptr;
 
+        if (!value)
+                return FALSE;
+
 	errno = 0;
-	l = strtol (value, &endptr, 0);
-	if (errno || endptr == value) {
-		g_warning ("Error converting value %s to int\n", value);
+	result = g_ascii_strtoll (value, &endptr, 10);
+	if (errno || endptr == value || result > G_MAXINT || result < G_MININT)
 		return FALSE;
-	}
 
-	*int_value = (gint)l;
+	*int_value = result;
 
 	return TRUE;
 }