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Princess Pi
2026-05-26 21:22:49 -06:00
parent a332083f43
commit 293f37b1a5
127 changed files with 18848 additions and 18848 deletions
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libs/newlib/scandir.c
+81 -81
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@@ -1,81 +1,81 @@
/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include "esp_check.h"
#include "esp_log.h"
static const char *TAG = "scandir";
int alphasort(const struct dirent **lhs, const struct dirent **rhs)
{
return strcoll((*lhs)->d_name, (*rhs)->d_name);
}
int scandir(const char *dirname, struct dirent ***out_dirlist,
int (*select_func)(const struct dirent *),
int (*cmp_func)(const struct dirent **, const struct dirent **))
{
DIR *dir_ptr = NULL;
struct dirent *entry;
size_t num_entries = 0;
size_t array_size = 8; /* initial estimate */
struct dirent **entries = NULL;
int ret = -1;
entries = malloc(array_size * sizeof(struct dirent *));
ESP_RETURN_ON_FALSE(entries, -1, TAG, "Malloc failed for entries");
dir_ptr = opendir(dirname);
ESP_GOTO_ON_FALSE(dir_ptr, -1, out, TAG, "Failed to open directory: %s", dirname);
while ((entry = readdir(dir_ptr)) != NULL) {
/* skip entries that don't match the filter function */
if (select_func != NULL && !select_func(entry)) {
continue;
}
struct dirent *entry_copy = malloc(sizeof(struct dirent));
ESP_GOTO_ON_FALSE(entry_copy, -1, out, TAG, "Malloc failed for entry_copy");
*entry_copy = *entry;
entries[num_entries++] = entry_copy;
/* grow the array size if it's full */
if (num_entries >= array_size) {
array_size *= 2;
struct dirent **new_entries = realloc(entries, array_size * sizeof(struct dirent *));
ESP_GOTO_ON_FALSE(new_entries, -1, out, TAG, "Realloc failed for entries");
entries = new_entries;
}
}
/* sort the entries if a comparison function is provided */
if (num_entries && cmp_func) {
qsort(entries, num_entries, sizeof(struct dirent *),
(int (*)(const void *, const void *))cmp_func);
}
*out_dirlist = entries;
ret = num_entries;
out:
if (ret < 0) {
while (num_entries > 0) {
free(entries[--num_entries]);
}
free(entries);
}
ESP_COMPILER_DIAGNOSTIC_PUSH_IGNORE("-Wanalyzer-malloc-leak") // Ignore intended return of allocated *out_dirlist
if (dir_ptr) {
closedir(dir_ptr);
}
return ret;
ESP_COMPILER_DIAGNOSTIC_POP("-Wanalyzer-malloc-leak")
}
/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include "esp_check.h"
#include "esp_log.h"
static const char *TAG = "scandir";
int alphasort(const struct dirent **lhs, const struct dirent **rhs)
{
return strcoll((*lhs)->d_name, (*rhs)->d_name);
}
int scandir(const char *dirname, struct dirent ***out_dirlist,
int (*select_func)(const struct dirent *),
int (*cmp_func)(const struct dirent **, const struct dirent **))
{
DIR *dir_ptr = NULL;
struct dirent *entry;
size_t num_entries = 0;
size_t array_size = 8; /* initial estimate */
struct dirent **entries = NULL;
int ret = -1;
entries = malloc(array_size * sizeof(struct dirent *));
ESP_RETURN_ON_FALSE(entries, -1, TAG, "Malloc failed for entries");
dir_ptr = opendir(dirname);
ESP_GOTO_ON_FALSE(dir_ptr, -1, out, TAG, "Failed to open directory: %s", dirname);
while ((entry = readdir(dir_ptr)) != NULL) {
/* skip entries that don't match the filter function */
if (select_func != NULL && !select_func(entry)) {
continue;
}
struct dirent *entry_copy = malloc(sizeof(struct dirent));
ESP_GOTO_ON_FALSE(entry_copy, -1, out, TAG, "Malloc failed for entry_copy");
*entry_copy = *entry;
entries[num_entries++] = entry_copy;
/* grow the array size if it's full */
if (num_entries >= array_size) {
array_size *= 2;
struct dirent **new_entries = realloc(entries, array_size * sizeof(struct dirent *));
ESP_GOTO_ON_FALSE(new_entries, -1, out, TAG, "Realloc failed for entries");
entries = new_entries;
}
}
/* sort the entries if a comparison function is provided */
if (num_entries && cmp_func) {
qsort(entries, num_entries, sizeof(struct dirent *),
(int (*)(const void *, const void *))cmp_func);
}
*out_dirlist = entries;
ret = num_entries;
out:
if (ret < 0) {
while (num_entries > 0) {
free(entries[--num_entries]);
}
free(entries);
}
ESP_COMPILER_DIAGNOSTIC_PUSH_IGNORE("-Wanalyzer-malloc-leak") // Ignore intended return of allocated *out_dirlist
if (dir_ptr) {
closedir(dir_ptr);
}
return ret;
ESP_COMPILER_DIAGNOSTIC_POP("-Wanalyzer-malloc-leak")
}