119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/**
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* Copyright 2021 Johannes Marbach
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "config.h"
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#include "log.h"
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#include <dirent.h>
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#include <stdlib.h>
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#include <string.h>
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/**
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* Static prototypes
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*/
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/**
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* Checks whether a string ends with a suffix
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*
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* @param string string to check
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* @param suffix suffix to compare to
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* @return true if the suffix matches at the end of the string, false otherwise
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*/
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static bool string_ends_with(const char *string, const char *suffix);
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/**
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* Static functions
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*/
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static bool string_ends_with(const char *string, const char *suffix) {
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if (!string || !suffix || strlen(suffix) > strlen(string)) {
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return false;
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}
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return strncmp(string + strlen(string) - strlen(suffix), suffix, strlen(suffix)) == 0;
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}
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/**
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* Public functions
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*/
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int bbx_config_compare_strings(const void* a, const void* b) {
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return strcmp(*(const char**)a, *(const char**)b);
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}
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void bbx_config_find_files(const char *path, char ***found, int *num_found) {
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/* Initialise output variables */
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*found = NULL;
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*num_found = 0;
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/* Count length of directory path */
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const int path_length = strlen(path);
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/* Open directory */
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DIR *d = opendir(path);
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if (!d) {
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bbx_log(BBX_LOG_LEVEL_WARNING, "Could not read contents of folder %s", path);
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return;
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}
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/* Loop over directory contents */
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struct dirent *dir;
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while ((dir = readdir(d)) != NULL) {
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/* Ignore anything except for .conf files */
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if (dir->d_type != DT_REG || !string_ends_with(dir->d_name, ".conf")) {
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continue;
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}
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/* Grow output array */
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char **tmp = realloc(*found, (*num_found + 1) * sizeof(char *));
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if (!tmp) {
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bbx_log(BBX_LOG_LEVEL_ERROR, "Could not reallocate memory for configuration file paths");
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break;
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}
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*found = tmp;
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/* Extract file name and length */
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char *name = dir->d_name;
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int name_length = strlen(name);
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/* Allocate memory for full path */
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char *found_path = malloc(path_length + name_length + 2); /* +1 for path separator and null terminator, respectively */
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if (!found_path) {
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bbx_log(BBX_LOG_LEVEL_ERROR, "Could not allocate memory for configuration file path");
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break;
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}
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/* Build full path */
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memcpy(found_path, path, path_length);
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found_path[path_length] = '/';
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memcpy(found_path + path_length + 1, dir->d_name, name_length + 1); /* +1 for path separator and null terminator, respectively */
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/* Store file path */
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(*found)[*num_found] = found_path;
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*num_found += 1;
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}
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/* Close directory */
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closedir(d);
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}
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bool bbx_config_parse_bool(const char *value, bool *result) {
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if (strcmp(value, "true") == 0) {
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*result = true;
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return true;
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}
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if (strcmp(value, "false") == 0) {
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*result = false;
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return true;
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}
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return false;
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}
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