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src/config.c: Add missing configuration variables

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Append missing configuration variables to the end of our configuration
file instead of keeping them undefined.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
This commit is contained in:
Lukas Fleischer 2012-02-17 09:29:51 +01:00
parent 8aba3be1e8
commit 47ceb96e13
1 changed files with 42 additions and 15 deletions
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57
src/config.c
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@ -106,6 +106,11 @@ static const struct confvar confmap[] = {
{ "notify-daemon_log", CONFIG_HANDLER_BOOL (dmon.log) }
};
struct config_save_status {
FILE *fp;
int done[sizeof (confmap) / sizeof (confmap[0])];
};
typedef int (*config_fn_walk_cb_t) (const char *, const char *, void *);
typedef int (*config_fn_walk_junk_cb_t) (const char *, void *);
@ -415,7 +420,8 @@ config_serialize_input_datefmt (char *buf, void *dummy)
/* Serialize the value of a configuration variable. */
static int
config_serialize_conf (char *buf, const char *key)
config_serialize_conf (char *buf, const char *key,
struct config_save_status *status)
{
int i;
@ -425,7 +431,16 @@ config_serialize_conf (char *buf, const char *key)
for (i = 0; i < sizeof (confmap) / sizeof (confmap[0]); i++)
{
if (!strcmp (confmap[i].key, key))
return confmap[i].fn_serialize (buf, confmap[i].target);
{
if (confmap[i].fn_serialize (buf, confmap[i].target))
{
if (status)
status->done[i] = 1;
return 1;
}
else
return 0;
}
}
return -1;
@ -510,10 +525,10 @@ config_load (void)
}
static int
config_save_cb (const char *key, const char *value, void *fp)
config_save_cb (const char *key, const char *value, void *status)
{
char buf[BUFSIZ];
int result = config_serialize_conf (buf, key);
int result = config_serialize_conf (buf, key, (struct config_save_status *) status);
if (result < 0)
EXIT (_("configuration variable unknown: \"%s\""), key);
@ -522,18 +537,18 @@ config_save_cb (const char *key, const char *value, void *fp)
EXIT (_("wrong configuration variable format for \"%s\""), key);
/* NOTREACHED */
fputs (key, (FILE *) fp);
fputc ('=', (FILE *) fp);
fputs (buf, (FILE *) fp);
fputc ('\n', (FILE *) fp);
fputs (key, ((struct config_save_status *) status)->fp);
fputc ('=', ((struct config_save_status *) status)->fp);
fputs (buf, ((struct config_save_status *) status)->fp);
fputc ('\n', ((struct config_save_status *) status)->fp);
return 1;
}
static int
config_save_junk_cb (const char *data, void *fp)
config_save_junk_cb (const char *data, void *status)
{
fputs (data, (FILE *) fp);
fputs (data, ((struct config_save_status *) status)->fp);
return 1;
}
@ -543,7 +558,8 @@ config_save (void)
{
char tmppath[BUFSIZ];
char *tmpext;
FILE *fp_tmp;
struct config_save_status status;
int i;
strncpy (tmppath, get_tempdir (), BUFSIZ);
strncat (tmppath, "/" CONF_PATH_NAME ".", BUFSIZ);
@ -552,11 +568,22 @@ config_save (void)
strncat (tmppath, tmpext, BUFSIZ);
mem_free (tmpext);
fp_tmp = fopen (tmppath, "w");
if (!fp_tmp)
status.fp = fopen (tmppath, "w");
if (!status.fp)
return 0;
config_file_walk (config_save_cb, config_save_junk_cb, (void *) fp_tmp);
file_close (fp_tmp, __FILE_POS__);
memset (status.done, 0, sizeof (status.done));
config_file_walk (config_save_cb, config_save_junk_cb, (void *) &status);
/* Set variables that were missing from the configuration file. */
for (i = 0; i < sizeof (confmap) / sizeof (confmap[0]); i++)
{
if (!status.done[i])
config_save_cb (confmap[i].key, NULL, &status);
}
file_close (status.fp, __FILE_POS__);
if (io_file_cp (tmppath, path_conf))
unlink (tmppath);