mirror of
https://github.com/Llewellynvdm/conky.git
synced 2024-11-18 02:55:12 +00:00
Fix memleaks when reloading configuration and place same parts of main() and reload_config() in a seperate function
This commit is contained in:
Nikolas Garofil
parent
06de5573e8
commit
20d4c4370a
365
src/conky.c
365
src/conky.c
@ -148,6 +148,8 @@ static volatile int g_signal_pending;
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double update_interval;
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void *global_cpu = NULL;
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int argc_copy;
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char** argv_copy;
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/* prototypes for internally used functions */
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static void signal_handler(int);
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@ -259,7 +261,6 @@ static const char *suffixes[] = { "B", "KiB", "MiB", "GiB", "TiB", "PiB", "" };
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#ifdef X11
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static void X11_destroy_window(void);
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static void X11_create_window(void);
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static void X11_initialisation(void);
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@ -7408,82 +7409,15 @@ static void main_loop(void)
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static void load_config_file(const char *);
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static void load_config_file_x11(const char *);
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void initialisation(int argc, char** argv);
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/* reload the config file */
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static void reload_config(void)
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{
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timed_thread_destroy_registered_threads();
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if (info.cpu_usage) {
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free(info.cpu_usage);
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info.cpu_usage = NULL;
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}
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if (info.mail) {
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free(info.mail);
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}
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#ifdef X11
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free_fonts();
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#endif /* X11 */
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#ifdef TCP_PORT_MONITOR
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tcp_portmon_clear();
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#endif
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#ifdef RSS
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free_rss_info();
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#endif
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#ifdef WEATHER
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free_weather_info();
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#endif
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#ifdef HAVE_LUA
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llua_close();
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#endif /* HAVE_LUA */
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#ifdef X11
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X11_destroy_window();
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#endif /* X11 */
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if (current_config) {
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clear_fs_stats();
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load_config_file(current_config);
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load_config_file_x11(current_config);
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/* re-init specials array */
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if ((specials = realloc((void *) specials,
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sizeof(struct special_t) * max_specials)) == 0) {
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ERR("failed to realloc specials array");
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}
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#ifdef X11
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if (output_methods & TO_X) {
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X11_initialisation();
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}
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#endif /* X11 */
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extract_variable_text(global_text);
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free(global_text);
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global_text = NULL;
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if (tmpstring1) {
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free(tmpstring1);
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}
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tmpstring1 = malloc(text_buffer_size);
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memset(tmpstring1, 0, text_buffer_size);
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if (tmpstring2) {
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free(tmpstring2);
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}
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tmpstring2 = malloc(text_buffer_size);
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memset(tmpstring2, 0, text_buffer_size);
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if (text_buffer) {
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free(text_buffer);
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}
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text_buffer = malloc(max_user_text);
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memset(text_buffer, 0, max_user_text);
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#ifdef X11
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X11_create_window();
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#endif /* X11 */
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update_text();
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}
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char *current_config_copy = strdup(current_config);
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clean_up(NULL, NULL);
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current_config = current_config_copy;
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initialisation(argc_copy, argv_copy);
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}
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void clean_up(void *memtofree1, void* memtofree2)
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@ -7511,6 +7445,7 @@ void clean_up(void *memtofree1, void* memtofree2)
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}
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XClearWindow(display, RootWindow(display, screen));
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XCloseDisplay(display);
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display = NULL;
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if(info.x11.desktop.all_names) {
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free(info.x11.desktop.all_names);
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info.x11.desktop.all_names = NULL;
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@ -7519,6 +7454,7 @@ void clean_up(void *memtofree1, void* memtofree2)
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free(info.x11.desktop.name);
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info.x11.desktop.name = NULL;
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}
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x_initialised = NO;
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}else{
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free(fonts); //in set_default_configurations a font is set but not loaded
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}
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@ -7579,7 +7515,10 @@ void clean_up(void *memtofree1, void* memtofree2)
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clear_net_stats();
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clear_diskio_stats();
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if(global_cpu != NULL) free(global_cpu);
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if(global_cpu != NULL) {
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free(global_cpu);
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global_cpu = NULL;
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}
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}
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static int string_to_bool(const char *s)
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@ -7859,24 +7798,6 @@ static void X11_initialisation(void)
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#endif /* DEBUG */
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}
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static void X11_destroy_window(void)
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{
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/* this function only exists for the sake of consistency */
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if (output_methods & TO_X) {
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#ifdef HAVE_XDAMAGE
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XDamageDestroy(display, x11_stuff.damage);
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XFixesDestroyRegion(display, x11_stuff.region2);
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XFixesDestroyRegion(display, x11_stuff.part);
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if (x11_stuff.region) {
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XDestroyRegion(x11_stuff.region);
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}
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x11_stuff.region = NULL;
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#endif /* HAVE_XDAMAGE */
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destroy_window();
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}
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x_initialised = NO;
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}
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static char **xargv = 0;
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static int xargc = 0;
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@ -9035,133 +8956,9 @@ static const struct option longopts[] = {
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{ 0, 0, 0, 0 }
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};
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int main(int argc, char **argv)
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{
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#ifdef X11
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char *s, *temp;
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unsigned int x;
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#endif
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void initialisation(int argc, char **argv) {
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struct sigaction act, oact;
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g_signal_pending = 0;
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max_user_text = MAX_USER_TEXT_DEFAULT;
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current_config = 0;
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memset(&info, 0, sizeof(info));
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memset(template, 0, sizeof(template));
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clear_net_stats();
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#ifdef TCP_PORT_MONITOR
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/* set default connection limit */
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tcp_portmon_set_max_connections(0);
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#endif
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/* handle command line parameters that don't change configs */
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#ifdef X11
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if (((s = getenv("LC_ALL")) && *s) || ((s = getenv("LC_CTYPE")) && *s)
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|| ((s = getenv("LANG")) && *s)) {
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temp = (char *) malloc((strlen(s) + 1) * sizeof(char));
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if (temp == NULL) {
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ERR("malloc failed");
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}
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for (x = 0; x < strlen(s); x++) {
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temp[x] = tolower(s[x]);
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}
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temp[x] = 0;
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if (strstr(temp, "utf-8") || strstr(temp, "utf8")) {
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utf8_mode = 1;
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}
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free(temp);
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}
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if (!setlocale(LC_CTYPE, "")) {
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ERR("Can't set the specified locale!\nCheck LANG, LC_CTYPE, LC_ALL.");
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}
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#endif /* X11 */
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while (1) {
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int c = getopt_long(argc, argv, getopt_string, longopts, NULL);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'v':
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case 'V':
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print_version();
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case 'c':
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if (current_config) {
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free(current_config);
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}
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current_config = strndup(optarg, max_user_text);
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break;
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case 'q':
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freopen("/dev/null", "w", stderr);
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break;
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case 'h':
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print_help(argv[0]);
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return 0;
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#ifdef CONFIG_OUTPUT
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case 'C':
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print_defconfig();
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return 0;
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#endif
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#ifdef X11
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case 'w':
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window.window = strtol(optarg, 0, 0);
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break;
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#endif /* X11 */
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case '?':
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exit(EXIT_FAILURE);
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}
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}
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/* check if specified config file is valid */
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if (current_config) {
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struct stat sb;
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if (stat(current_config, &sb) ||
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(!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))) {
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ERR("invalid configuration file '%s'\n", current_config);
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free(current_config);
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current_config = 0;
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}
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}
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/* load current_config, CONFIG_FILE or SYSTEM_CONFIG_FILE */
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if (!current_config) {
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/* load default config file */
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char buf[DEFAULT_TEXT_BUFFER_SIZE];
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FILE *fp;
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/* Try to use personal config file first */
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to_real_path(buf, CONFIG_FILE);
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if (buf[0] && (fp = fopen(buf, "r"))) {
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current_config = strndup(buf, max_user_text);
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fclose(fp);
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}
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/* Try to use system config file if personal config not readable */
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if (!current_config && (fp = fopen(SYSTEM_CONFIG_FILE, "r"))) {
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current_config = strndup(SYSTEM_CONFIG_FILE, max_user_text);
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fclose(fp);
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}
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/* No readable config found */
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if (!current_config) {
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#ifdef CONFIG_OUTPUT
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current_config = strdup("==builtin==");
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ERR("no readable personal or system-wide config file found,"
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" using builtin default");
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#else
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CRIT_ERR(NULL, NULL, "no readable personal or system-wide config file found");
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#endif /* ! CONF_OUTPUT */
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}
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}
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#ifdef HAVE_SYS_INOTIFY_H
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inotify_fd = inotify_init();
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#endif /* HAVE_SYS_INOTIFY_H */
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load_config_file(current_config);
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/* init specials array */
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@ -9306,7 +9103,7 @@ int main(int argc, char **argv)
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fprintf(stderr, PACKAGE_NAME": forked to background, pid is %d\n",
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pid);
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fflush(stderr);
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return 0;
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return;
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}
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}
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@ -9338,6 +9135,138 @@ int main(int argc, char **argv)
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ERR("error setting signal handler: %s", strerror(errno));
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}
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}
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int main(int argc, char **argv)
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{
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#ifdef X11
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char *s, *temp;
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unsigned int x;
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#endif
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argc_copy = argc;
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argv_copy = argv;
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g_signal_pending = 0;
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max_user_text = MAX_USER_TEXT_DEFAULT;
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current_config = 0;
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memset(&info, 0, sizeof(info));
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memset(template, 0, sizeof(template));
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clear_net_stats();
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#ifdef TCP_PORT_MONITOR
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/* set default connection limit */
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tcp_portmon_set_max_connections(0);
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#endif
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/* handle command line parameters that don't change configs */
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#ifdef X11
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if (((s = getenv("LC_ALL")) && *s) || ((s = getenv("LC_CTYPE")) && *s)
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|| ((s = getenv("LANG")) && *s)) {
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temp = (char *) malloc((strlen(s) + 1) * sizeof(char));
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if (temp == NULL) {
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ERR("malloc failed");
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}
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for (x = 0; x < strlen(s); x++) {
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temp[x] = tolower(s[x]);
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}
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temp[x] = 0;
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if (strstr(temp, "utf-8") || strstr(temp, "utf8")) {
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utf8_mode = 1;
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}
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free(temp);
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}
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if (!setlocale(LC_CTYPE, "")) {
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ERR("Can't set the specified locale!\nCheck LANG, LC_CTYPE, LC_ALL.");
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}
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#endif /* X11 */
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while (1) {
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int c = getopt_long(argc, argv, getopt_string, longopts, NULL);
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if (c == -1) {
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break;
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}
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switch (c) {
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case 'v':
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case 'V':
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print_version();
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case 'c':
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if (current_config) {
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free(current_config);
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}
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current_config = strndup(optarg, max_user_text);
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break;
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case 'q':
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freopen("/dev/null", "w", stderr);
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break;
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case 'h':
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print_help(argv[0]);
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return 0;
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#ifdef CONFIG_OUTPUT
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case 'C':
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print_defconfig();
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return 0;
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#endif
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#ifdef X11
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case 'w':
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window.window = strtol(optarg, 0, 0);
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break;
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#endif /* X11 */
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case '?':
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exit(EXIT_FAILURE);
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}
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}
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/* check if specified config file is valid */
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if (current_config) {
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struct stat sb;
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if (stat(current_config, &sb) ||
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(!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))) {
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ERR("invalid configuration file '%s'\n", current_config);
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free(current_config);
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current_config = 0;
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}
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}
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/* load current_config, CONFIG_FILE or SYSTEM_CONFIG_FILE */
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if (!current_config) {
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/* load default config file */
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char buf[DEFAULT_TEXT_BUFFER_SIZE];
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FILE *fp;
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/* Try to use personal config file first */
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to_real_path(buf, CONFIG_FILE);
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if (buf[0] && (fp = fopen(buf, "r"))) {
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current_config = strndup(buf, max_user_text);
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fclose(fp);
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}
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/* Try to use system config file if personal config not readable */
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if (!current_config && (fp = fopen(SYSTEM_CONFIG_FILE, "r"))) {
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current_config = strndup(SYSTEM_CONFIG_FILE, max_user_text);
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fclose(fp);
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}
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/* No readable config found */
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if (!current_config) {
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#ifdef CONFIG_OUTPUT
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current_config = strdup("==builtin==");
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ERR("no readable personal or system-wide config file found,"
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" using builtin default");
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#else
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CRIT_ERR(NULL, NULL, "no readable personal or system-wide config file found");
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#endif /* ! CONF_OUTPUT */
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}
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}
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#ifdef HAVE_SYS_INOTIFY_H
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inotify_fd = inotify_init();
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#endif /* HAVE_SYS_INOTIFY_H */
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initialisation(argc, argv);
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main_loop();
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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@ -630,7 +630,7 @@ inline static void update_stat(void)
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KFLAG_ISSET(KFLAG_IS_LONGSTAT) ? TMPL_LONGSTAT : TMPL_SHORTSTAT;
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}
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if (!cpu) {
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if (!global_cpu) {
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malloc_cpu_size = (info.cpu_count + 1) * sizeof(struct cpu_info);
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cpu = malloc(malloc_cpu_size);
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memset(cpu, 0, malloc_cpu_size);
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