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Move parts of config to shared

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This commit is contained in:
Johannes Marbach 2024-03-30 21:12:37 +01:00
parent 1578617560
commit 8f1262ccb2
6 changed files with 178 additions and 253 deletions
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129
buffyboard/config.c
View file

@ -6,12 +6,12 @@
#include "config.h"
#include "../shared/config.h"
#include "../shared/log.h"
#include "../squeek2lvgl/sq2lv.h"
#include "lvgl/lvgl.h"
#include <dirent.h>
#include <ini.h>
#include <stdlib.h>
#include <string.h>
@ -21,33 +21,6 @@
* Static prototypes
*/
/**
* Compares two strings from opaque types.
*
* @param a first string as void pointer
* @param b second string as void pointer
* @return a positive integer if a > b, a negative integer if a < b and 0 otherwise
*/
static int compare_strings(const void* a, const void* b);
/**
* Checks whether a string ends with a suffix
*
* @param string string to check
* @param suffix suffix to compare to
* @return true if the suffix matches at the end of the string, false otherwise
*/
static bool string_ends_with(const char *string, const char *suffix);
/**
* Non-recursively searches a directory for configuration files.
*
* @param path folder to search in
* @param found pointer to write found configuration file names into (to be freed by the caller)
* @param num_found pointer to write number of found files into
*/
static void find_files(const char *path, char ***found, int *num_found);
/**
* Handle parsing events from INIH.
*
@ -59,87 +32,11 @@ static void find_files(const char *path, char ***found, int *num_found);
*/
static int parsing_handler(void* user_data, const char* section, const char* key, const char* value);
/**
* Attempt to parse a boolean value.
*
* @param value string to parse
* @param result pointer to write result into if parsing is successful
* @return true on success, false otherwise
*/
static bool parse_bool(const char *value, bool *result);
/**
* Static functions
*/
static int compare_strings(const void* a, const void* b) {
return strcmp(*(const char**)a, *(const char**)b);
}
static bool string_ends_with(const char *string, const char *suffix) {
if (!string || !suffix || strlen(suffix) > strlen(string)) {
return false;
}
return strncmp(string + strlen(string) - strlen(suffix), suffix, strlen(suffix)) == 0;
}
static void find_files(const char *path, char ***found, int *num_found) {
/* Initialise output variables */
*found = NULL;
*num_found = 0;
/* Count length of directory path */
const int path_length = strlen(path);
/* Open directory */
DIR *d = opendir(path);
if (!d) {
bbx_log(BBX_LOG_LEVEL_WARNING, "Could not read contents of folder %s", path);
return;
}
/* Loop over directory contents */
struct dirent *dir;
while ((dir = readdir(d)) != NULL) {
/* Ignore anything except for .conf files */
if (dir->d_type != DT_REG || !string_ends_with(dir->d_name, ".conf")) {
continue;
}
/* Grow output array */
char **tmp = realloc(*found, (*num_found + 1) * sizeof(char *));
if (!tmp) {
bbx_log(BBX_LOG_LEVEL_ERROR, "Could not reallocate memory for configuration file paths");
break;
}
*found = tmp;
/* Extract file name and length */
char *name = dir->d_name;
int name_length = strlen(name);
/* Allocate memory for full path */
char *found_path = malloc(path_length + name_length + 2); /* +1 for path separator and null terminator, respectively */
if (!found_path) {
bbx_log(BBX_LOG_LEVEL_ERROR, "Could not allocate memory for configuration file path");
break;
}
/* Build full path */
memcpy(found_path, path, path_length);
found_path[path_length] = '/';
memcpy(found_path + path_length + 1, dir->d_name, name_length + 1); /* +1 for path separator and null terminator, respectively */
/* Store file path */
(*found)[*num_found] = found_path;
*num_found += 1;
}
/* Close directory */
closedir(d);
}
static int parsing_handler(void* user_data, const char* section, const char* key, const char* value) {
bb_config_opts *opts = (bb_config_opts *)user_data;
@ -153,17 +50,17 @@ static int parsing_handler(void* user_data, const char* section, const char* key
}
} else if (strcmp(section, "input") == 0) {
if (strcmp(key, "pointer") == 0) {
if (parse_bool(value, &(opts->input.pointer))) {
if (bbx_config_parse_bool(value, &(opts->input.pointer))) {
return 1;
}
} else if (strcmp(key, "touchscreen") == 0) {
if (parse_bool(value, &(opts->input.touchscreen))) {
if (bbx_config_parse_bool(value, &(opts->input.touchscreen))) {
return 1;
}
}
} else if (strcmp(section, "quirks") == 0) {
if (strcmp(key, "fbdev_force_refresh") == 0) {
if (parse_bool(value, &(opts->quirks.fbdev_force_refresh))) {
if (bbx_config_parse_bool(value, &(opts->quirks.fbdev_force_refresh))) {
return 1;
}
}
@ -173,20 +70,6 @@ static int parsing_handler(void* user_data, const char* section, const char* key
return 1; /* Return 1 (true) so that we can use the return value of ini_parse exclusively for file-level errors (e.g. file not found) */
}
static bool parse_bool(const char *value, bool *result) {
if (strcmp(value, "true") == 0) {
*result = true;
return true;
}
if (strcmp(value, "false") == 0) {
*result = false;
return true;
}
return false;
}
/**
* Public functions
@ -203,10 +86,10 @@ void bb_config_parse_directory(const char *path, bb_config_opts *opts) {
/* Find files in directory */
char **found = NULL;
int num_found = 0;
find_files(path, &found, &num_found);
bbx_config_find_files(path, &found, &num_found);
/* Sort and parse files */
qsort(found, num_found, sizeof(char *), compare_strings);
qsort(found, num_found, sizeof(char *), bbx_config_compare_strings);
bb_config_parse_files((const char **)found, num_found, opts);
/* Free memory */

1
buffyboard/meson.build
View file

@ -24,6 +24,7 @@ buffyboard_sources = [
shared_sources = [
'../shared/cursor/cursor.c',
'../shared/fonts/font_32.c',
'../shared/config.c',
'../shared/indev.c',
'../shared/log.c',
'../shared/theme.c',