don't free any config strings - who cares for a few bytes?

this fixes some crashes at exit.

src/config.c

@@ -172,7 +172,6 @@ load_config (const char *where, int *o2o)
 	    if (boxes)
 		goto forbid;
 	    /* this only affects the global setting */
-	    free (global.maildir);
 	    global.maildir = expand_strdup (val);
 	}
 	else if (!strcasecmp ("folder", cmd))
@@ -204,14 +203,7 @@ load_config (const char *where, int *o2o)
 	    cfg->host = strdup (val);
 	}
 	else if (!strcasecmp ("user", cmd))
-	{
+	    cfg->user = strdup (val);
-	    if (boxes)
-		cfg->user = strdup (val);
-	    else {
-		free (global.user);
-		global.user = strdup (val);
-	    }
-	}
 	else if (!strcasecmp ("pass", cmd))
 	    cfg->pass = strdup (val);
 	else if (!strcasecmp ("port", cmd))
@@ -288,12 +280,3 @@ find_box (const char *s)
     }
     return 0;
 }
-
-void
-free_config (void)
-{
-    free (global.user);
-    free (global.maildir);
-    free (global.host);
-    free (global.pass);
-}

src/isync.h

@@ -196,7 +196,6 @@ int sync_mailbox (mailbox_t *, imap_t *, int, unsigned int, unsigned int);
 void load_config (const char *, int *);
 char * expand_strdup (const char *s);
 config_t *find_box (const char *);
-void free_config (void);
 
 void imap_close (imap_t *);
 int imap_copy_message (imap_t * imap, unsigned int uid, const char *mailbox);

src/main.c

@@ -35,10 +35,6 @@
 #include <dirent.h>
 #include "isync.h"
 
-#if HAVE_GETOPT_LONG
-#define _GNU_SOURCE
-#include <getopt.h>
-
 int Quiet;
 
 void
@@ -61,6 +57,9 @@ infoc (char c)
 	putchar (c);
 }
 
+#if HAVE_GETOPT_LONG
+# define _GNU_SOURCE
+# include <getopt.h>
 struct option Opts[] = {
     {"all", 0, NULL, 'a'},
     {"list", 0, NULL, 'l'},
@@ -183,7 +182,7 @@ int
 main (int argc, char **argv)
 {
     int i;
-    int ret = 1;
+    int ret;
     config_t *box = 0;
     mailbox_t *mail = 0;
     imap_t *imap = 0;
@@ -274,8 +273,7 @@ main (int argc, char **argv)
 		global.folder = optarg;
 		break;
 	    case 'M':
-		free (global.maildir);
+		global.maildir = optarg;
-		global.maildir = strdup (optarg);
 		break;
 	    case 'I':
 		global.inbox = optarg;
@@ -291,7 +289,6 @@ main (int argc, char **argv)
 		global.host = optarg;
 		break;
 	    case 'u':
-		free (global.user);
 		global.user = optarg;
 		break;
 	    case 'V':
@@ -348,9 +345,9 @@ main (int argc, char **argv)
 
 	imap = imap_connect (&global);
 	if (!imap)
-	    goto bork;
+	    return 1;
 	if (imap_list (imap))
-	    goto bork;
+	    return 1;
     }
     if (list)
     {
@@ -462,12 +459,7 @@ main (int argc, char **argv)
 	if (all)
 	    box = box->next;
     }
-
     /* gracefully close connection to the IMAP server */
     imap_close (imap);
-
-  bork:
-    free_config ();
-
     return ret;
 }