# HG changeset patch
# User John Tsiombikas <nuclear@mutantstargoat.com>
# Date 1347498638 -10800
# Node ID 66956b1e5e3f7d2de655e780808627d2eb40cdb5
# Parent  7fbed016e73979f35a6d393b649acf66004dc03c
added missing psys_create_attr/psys_free_attr and some checking in load_attr

diff -r 7fbed016e739 -r 66956b1e5e3f src/pattr.c
--- a/src/pattr.c	Tue Sep 11 03:26:13 2012 +0300
+++ b/src/pattr.c	Thu Sep 13 04:10:38 2012 +0300
@@ -48,6 +48,24 @@
 	tex_cls = cls;
 }
 
+struct psys_attributes *psys_create_attr(void)
+{
+	struct psys_attributes *attr = malloc(sizeof *attr);
+	if(attr) {
+		if(psys_init_attr(attr) == -1) {
+			free(attr);
+			attr = 0;
+		}
+	}
+	return attr;
+}
+
+void psys_free_attr(struct psys_attributes *attr)
+{
+	psys_destroy_attr(attr);
+	free(attr);
+}
+
 int psys_init_attr(struct psys_attributes *attr)
 {
 	memset(attr, 0, sizeof *attr);
@@ -143,6 +161,10 @@
 	FILE *fp;
 	int res;
 
+	if(!fname) {
+		return -1;
+	}
+
 	if(!(fp = fopen(fname, "r"))) {
 		fprintf(stderr, "%s: failed to read file: %s: %s\n", __func__, fname, strerror(errno));
 		return -1;
diff -r 7fbed016e739 -r 66956b1e5e3f src/pattr.h
--- a/src/pattr.h	Tue Sep 11 03:26:13 2012 +0300
+++ b/src/pattr.h	Thu Sep 13 04:10:38 2012 +0300
@@ -36,6 +36,9 @@
 
 void psys_texture_loader(unsigned int (*load)(const char*, void*), void (*unload)(unsigned int, void*), void *cls);
 
+struct psys_attributes *psys_create_attr(void);
+void psys_free_attr(struct psys_attributes *attr);
+
 int psys_init_attr(struct psys_attributes *attr);
 void psys_destroy_attr(struct psys_attributes *attr);