cache: rework and move to /var/cache/edb

Since we want the portdir to be read-only when possible, move our
cache files to /var/cache/edb.  This means the cache regeneration
logic isn't as robust (as we can't rely on rsync deleting it), but
so be it.  We can see about improving this in the future.

URL: https://bugs.gentoo.org/548052
Reported-by: Martin Väth <martin@mvath.de>

1 files changed, 10 insertions, 6 deletions

diff --git a/qglsa.c b/qglsa.c
index 328bbd8e..7fba5c78 100644
--- a/qglsa.c
+++ b/qglsa.c
@@ -8,8 +8,6 @@
 
 #ifdef APPLET_qglsa
 
-#define QGLSA_DB "/var/cache/edb/glsa"
-
 #define QGLSA_FLAGS "ldtpfi" COMMON_FLAGS
 static struct option const qglsa_long_opts[] = {
 	{"list",      no_argument, NULL, 'l'},
@@ -34,19 +32,25 @@ static const char * const qglsa_opts_help[] = {
 static char *qglsa_load_list(void);
 static char *qglsa_load_list(void)
 {
-	char *ret = NULL;
+	char *file, *ret = NULL;
 	size_t size = 0;
-	eat_file(QGLSA_DB, &ret, &size);
+	xasprintf(&file, "%s/glsa", portedb);
+	eat_file(file, &ret, &size);
+	free(file);
 	return ret;
 }
 static void qglsa_append_to_list(const char *glsa);
 static void qglsa_append_to_list(const char *glsa)
 {
+	char *file;
 	FILE *f;
-	if ((f = fopen(QGLSA_DB, "a")) != NULL) {
-		fprintf(f, "%s\n", glsa);
+	xasprintf(&file, "%s/glsa", portedb);
+	if ((f = fopen(file, "a")) != NULL) {
+		fputs(glsa, f);
+		fputc('\n', f);
 		fclose(f);
 	}
+	free(file);
 }
 
 static void qglsa_decode_entities(char *xml_buf, size_t len);