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implement with glib

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This commit is contained in:
ailin-nemui 2018-02-12 22:15:08 +01:00
commit 9c3532f542
1 changed files with 29 additions and 15 deletions
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44
src/core/settings.c
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@ -29,7 +29,6 @@
#include "settings.h"
#include "default-config.h"
#include <openssl/sha.h>
#include <signal.h>
#define SETTINGS_AUTOSAVE_TIMEOUT (1000*60*60) /* 1 hour */
@ -48,7 +47,8 @@ static int timeout_tag;
static int config_last_modifycounter;
static time_t config_last_mtime;
static long config_last_size;
static unsigned char config_last_checksum[SHA_DIGEST_LENGTH];
static guint8 *config_last_checksum;
static gsize config_last_checksum_length;
static SETTINGS_REC *settings_get(const char *key, SettingType type)
{
@ -662,14 +662,17 @@ void sig_term(int n)
raise(SIGTERM);
}
static int file_checksum(const char *fname, const unsigned char *old_checksum,
unsigned char *checksum)
static int file_checksum(const char *fname, const guint8 *old_checksum, gsize old_checksum_length,
guint8 **checksum_out, gsize *checksum_length_out)
{
SHA_CTX c;
unsigned char buf[512], tmp[SHA_DIGEST_LENGTH];
GChecksum *c;
unsigned char buf[512];
guint8 *checksum;
gsize checksum_length;
int f, ret;
static GChecksumType checksum_type = G_CHECKSUM_SHA1;
if (!SHA1_Init(&c)) {
if ((c = g_checksum_new(checksum_type)) == NULL) {
return FALSE;
}
@ -678,18 +681,23 @@ static int file_checksum(const char *fname, const unsigned char *old_checksum,
return FALSE;
while ((ret = read(f, buf, sizeof(buf))) > 0) {
SHA1_Update(&c, buf, ret);
g_checksum_update(c, buf, ret);
}
close(f);
if (checksum == NULL) {
checksum = tmp;
checksum = g_new0(guint8, g_checksum_type_get_length(checksum_type));
g_checksum_get_digest(c, checksum, &checksum_length);
g_checksum_free(c);
if (checksum_out != NULL && checksum_length_out != NULL) {
g_free(*checksum_out);
*checksum_out = checksum;
*checksum_length_out = checksum_length;
}
SHA1_Final(checksum, &c);
if (old_checksum != NULL) {
return memcmp(checksum, old_checksum, SHA_DIGEST_LENGTH) == 0;
return old_checksum_length == checksum_length &&
memcmp(checksum, old_checksum, checksum_length) == 0;
}
return TRUE;
}
@ -706,7 +714,7 @@ static void irssi_config_save_state(const char *fname)
/* save modify time, file size and checksum */
config_last_mtime = statbuf.st_mtime;
config_last_size = statbuf.st_size;
file_checksum(fname, NULL, config_last_checksum);
file_checksum(fname, NULL, 0, &config_last_checksum, &config_last_checksum_length);
}
int irssi_config_is_changed(const char *fname)
@ -721,7 +729,7 @@ int irssi_config_is_changed(const char *fname)
return config_last_mtime != statbuf.st_mtime &&
(config_last_size != statbuf.st_size ||
file_checksum(fname, config_last_checksum, NULL));
file_checksum(fname, config_last_checksum, config_last_checksum_length, NULL, NULL));
}
static CONFIG_REC *parse_configfile(const char *fname)
@ -919,4 +927,10 @@ void settings_deinit(void)
g_hash_table_destroy(settings);
if (mainconfig != NULL) config_close(mainconfig);
if (config_last_checksum != NULL) {
g_free(config_last_checksum);
config_last_checksum = NULL;
config_last_checksum_length = 0;
}
}