Try legacy config file location if config file not found

Before we renamed the project, the config file used to be found in
$HOME/.config/browser-proxy, so if we don't find a config file in the
new place, try the old one before giving up.

diff --git a/main.c b/main.c
index 73ca570..66591c6 100644 (file)
--- a/main.c
+++ b/main.c
@@ -36,6 +36,7 @@
 
 #define DEFAULT_HOMEDIR "/home/user"
 #define CONFIGFILE_LOC "/.config/browser-switchboard"
+#define CONFIGFILE_LOC_OLD "/.config/browser-proxy"
 #define MAXLINE 1024
 
 struct swb_context ctx;
@@ -73,8 +74,14 @@ static void read_config(int signalnum) {
                goto out_noopen;
        snprintf(configfile, len, "%s%s", homedir, CONFIGFILE_LOC);
 
-       if (!(fp = fopen(configfile, "r")))
-               goto out_noopen;
+       if (!(fp = fopen(configfile, "r"))) {
+               /* Try the legacy config file location before giving up
+                  XXX we assume here that CONFIGFILE_LOC_OLD is shorter
+                  than CONFIGFILE_LOC! */
+               snprintf(configfile, len, "%s%s", homedir, CONFIGFILE_LOC_OLD);
+               if (!(fp = fopen(configfile, "r")))
+                       goto out_noopen;
+       }
 
        /* compile regex matching blank lines or comments */
        if (regcomp(&re_ignore, "^[[:space:]]*(#|$)", REG_EXTENDED|REG_NOSUB))