mirror of
https://github.com/SuperBFG7/ympd
synced 2024-09-29 06:30:40 +00:00
68a471c0df
Fix: fix compiler warnings
142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/* myMPD
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(c) 2018-2019 Juergen Mang <mail@jcgames.de>
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This project's homepage is: https://github.com/jcorporation/mympd
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myMPD ist fork of:
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ympd
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(c) 2013-2014 Andrew Karpow <andy@ndyk.de>
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This project's homepage is: http://www.ympd.org
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <dirent.h>
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#include "tiny_queue.h"
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#include "list.h"
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#include "global.h"
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bool state_file_read(t_config *config, const char *name, char *value) {
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char cfg_file[400];
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char *line;
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size_t n = 0;
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ssize_t read;
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if (!validate_string(name))
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return false;
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snprintf(cfg_file, 400, "%s/state/%s", config->varlibdir, name);
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FILE *fp = fopen(cfg_file, "r");
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if (fp == NULL) {
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printf("Error opening %s\n", cfg_file);
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return false;
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}
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read = getline(&line, &n, fp);
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snprintf(value, 400, "%s", line);
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LOG_DEBUG() fprintf(stderr, "DEBUG: State %s: %s\n", name, value);
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fclose(fp);
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if (read > 0)
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return true;
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else
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return false;
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}
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bool state_file_write(t_config *config, const char *name, const char *value) {
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char tmp_file[400];
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char cfg_file[400];
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if (!validate_string(name))
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return false;
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snprintf(cfg_file, 400, "%s/state/%s", config->varlibdir, name);
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snprintf(tmp_file, 400, "%s/tmp/%s", config->varlibdir, name);
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FILE *fp = fopen(tmp_file, "w");
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if (fp == NULL) {
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printf("Error opening %s\n", tmp_file);
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return false;
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}
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fprintf(fp, "%s", value);
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fclose(fp);
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if (rename(tmp_file, cfg_file) == -1) {
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printf("Error renaming file from %s to %s\n", tmp_file, cfg_file);
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return false;
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}
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return true;
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}
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bool testdir(const char *name, const char *dirname) {
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DIR* dir = opendir(dirname);
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if (dir) {
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closedir(dir);
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LOG_INFO() printf("%s: \"%s\"\n", name, dirname);
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return true;
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}
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else {
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printf("%s: \"%s\" don't exists\n", name, dirname);
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return false;
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}
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}
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int randrange(int n) {
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return rand() / (RAND_MAX / (n + 1) + 1);
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}
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bool validate_string(const char *data) {
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static char ok_chars[] = "abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"1234567890_-. ";
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const char *cp = data;
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const char *end = data + strlen(data);
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for (cp += strspn(cp, ok_chars); cp != end; cp += strspn(cp, ok_chars)) {
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printf("ERROR: Invalid character in string\n");
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return false;
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}
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return true;
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}
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int replacechar(char *str, const char orig, const char rep) {
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char *ix = str;
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int n = 0;
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while ((ix = strchr(ix, orig)) != NULL) {
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*ix++ = rep;
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n++;
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}
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return n;
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}
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int copy_string(char * const dest, char const * const src, size_t const dst_len, size_t const src_len) {
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if (dst_len == 0 || src_len == 0)
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return 0;
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size_t const max = (src_len < dst_len) ? src_len : dst_len -1;
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memcpy(dest, src, max);
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dest[max] = '\0';
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return max;
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}
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enum mympd_cmd_ids get_cmd_id(const char *cmd) {
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const char * mympd_cmd_strs[] = { MYMPD_CMDS(GEN_STR) };
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for (unsigned i = 0; i < sizeof(mympd_cmd_strs) / sizeof(mympd_cmd_strs[0]); i++)
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if (!strncmp(cmd, mympd_cmd_strs[i], strlen(mympd_cmd_strs[i])))
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return i;
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return 0;
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}
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