From 8222bfe56d4dabe8d92fc4b25ea1b0163b16f3e1 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 4 May 2024 16:51:29 -0700 Subject: Initial commit. --- src/contrib/tinydir-1.2.4/tinydir.h | 787 ++++++++++++++++++++++++++++++++++++ 1 file changed, 787 insertions(+) create mode 100644 src/contrib/tinydir-1.2.4/tinydir.h (limited to 'src/contrib/tinydir-1.2.4/tinydir.h') diff --git a/src/contrib/tinydir-1.2.4/tinydir.h b/src/contrib/tinydir-1.2.4/tinydir.h new file mode 100644 index 0000000..89be46f --- /dev/null +++ b/src/contrib/tinydir-1.2.4/tinydir.h @@ -0,0 +1,787 @@ +/* +Copyright (c) 2013-2021, tinydir authors: +- Cong Xu +- Lautis Sun +- Baudouin Feildel +- Andargor +All rights reserved. + +Redistribution and use in source and binary forms, with or without + modification, are +permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, +this list of conditions and the following disclaimer. + 2. +Redistributions in binary form must reproduce the above copyright notice, this +list of conditions and the following disclaimer in the documentation and/or +other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR +TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef TINYDIR_H +#define TINYDIR_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if ((defined _UNICODE) && !(defined UNICODE)) +#define UNICODE +#endif + +#if ((defined UNICODE) && !(defined _UNICODE)) +#define _UNICODE +#endif + +#include +#include +#include +#ifdef _MSC_VER +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include +#include +#pragma warning(push) +#pragma warning(disable : 4996) +#else +#include +#include +#include +#include +#endif +#ifdef __MINGW32__ +#include +#endif + +/* types */ + +/* Windows UNICODE wide character support */ +#if defined _MSC_VER || defined __MINGW32__ +#define _tinydir_char_t TCHAR +#define TINYDIR_STRING(s) _TEXT(s) +#define _tinydir_strlen _tcslen +#define _tinydir_strcpy _tcscpy +#define _tinydir_strcat _tcscat +#define _tinydir_strcmp _tcscmp +#define _tinydir_strrchr _tcsrchr +#define _tinydir_strncmp _tcsncmp +#else +#define _tinydir_char_t char +#define TINYDIR_STRING(s) s +#define _tinydir_strlen strlen +#define _tinydir_strcpy strcpy +#define _tinydir_strcat strcat +#define _tinydir_strcmp strcmp +#define _tinydir_strrchr strrchr +#define _tinydir_strncmp strncmp +#endif + +#if (defined _MSC_VER || defined __MINGW32__) +#include +#define _TINYDIR_PATH_MAX MAX_PATH +#elif defined __linux__ +#include +#ifdef PATH_MAX +#define _TINYDIR_PATH_MAX PATH_MAX +#endif +#elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) +#include +#if defined(BSD) +#include +#ifdef PATH_MAX +#define _TINYDIR_PATH_MAX PATH_MAX +#endif +#endif +#endif + +#ifndef _TINYDIR_PATH_MAX +#define _TINYDIR_PATH_MAX 4096 +#endif + +#ifdef _MSC_VER +/* extra chars for the "\\*" mask */ +#define _TINYDIR_PATH_EXTRA 2 +#else +#define _TINYDIR_PATH_EXTRA 0 +#endif + +#define _TINYDIR_FILENAME_MAX 256 + +#if (defined _MSC_VER || defined __MINGW32__) +#define _TINYDIR_DRIVE_MAX 3 +#endif + +#ifdef _MSC_VER +#define _TINYDIR_FUNC static __inline +#elif !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L +#define _TINYDIR_FUNC static __inline__ +#elif defined(__cplusplus) +#define _TINYDIR_FUNC static inline +#elif defined(__GNUC__) +/* Suppress unused function warning */ +#define _TINYDIR_FUNC __attribute__((unused)) static +#else +#define _TINYDIR_FUNC static +#endif + +#if defined(i386) || defined(__i386__) || defined(__i386) || defined(_M_IX86) +#ifdef _MSC_VER +#define _TINYDIR_CDECL __cdecl +#else +#define _TINYDIR_CDECL __attribute__((cdecl)) +#endif +#else +#define _TINYDIR_CDECL +#endif + +/* readdir_r usage; define TINYDIR_USE_READDIR_R to use it (if supported) */ +#ifdef TINYDIR_USE_READDIR_R + +/* readdir_r is a POSIX-only function, and may not be available under various + * environments/settings, e.g. MinGW. Use readdir fallback */ +#if _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _BSD_SOURCE || _SVID_SOURCE || \ + _POSIX_SOURCE +#define _TINYDIR_HAS_READDIR_R +#endif +#if _POSIX_C_SOURCE >= 200112L +#define _TINYDIR_HAS_FPATHCONF +#include +#endif +#if _BSD_SOURCE || _SVID_SOURCE || \ + (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700) +#define _TINYDIR_HAS_DIRFD +#include +#endif +#if defined _TINYDIR_HAS_FPATHCONF && defined _TINYDIR_HAS_DIRFD && \ + defined _PC_NAME_MAX +#define _TINYDIR_USE_FPATHCONF +#endif +#if defined __MINGW32__ || !defined _TINYDIR_HAS_READDIR_R || \ + !(defined _TINYDIR_USE_FPATHCONF || defined NAME_MAX) +#define _TINYDIR_USE_READDIR +#endif + +/* Use readdir by default */ +#else +#define _TINYDIR_USE_READDIR +#endif + +/* MINGW32 has two versions of dirent, ASCII and UNICODE*/ +#ifndef _MSC_VER +#if (defined __MINGW32__) && (defined _UNICODE) +#define _TINYDIR_DIR _WDIR +#define _tinydir_dirent _wdirent +#define _tinydir_opendir _wopendir +#define _tinydir_readdir _wreaddir +#define _tinydir_closedir _wclosedir +#else +#define _TINYDIR_DIR DIR +#define _tinydir_dirent dirent +#define _tinydir_opendir opendir +#define _tinydir_readdir readdir +#define _tinydir_closedir closedir +#endif +#endif + +/* Allow user to use a custom allocator by defining _TINYDIR_MALLOC and + * _TINYDIR_FREE. */ +#if defined(_TINYDIR_MALLOC) && defined(_TINYDIR_FREE) +#elif !defined(_TINYDIR_MALLOC) && !defined(_TINYDIR_FREE) +#else +#error "Either define both alloc and free or none of them!" +#endif + +#if !defined(_TINYDIR_MALLOC) +#define _TINYDIR_MALLOC(_size) malloc(_size) +#define _TINYDIR_FREE(_ptr) free(_ptr) +#endif /* !defined(_TINYDIR_MALLOC) */ + +typedef struct tinydir_file { + _tinydir_char_t path[_TINYDIR_PATH_MAX]; + _tinydir_char_t name[_TINYDIR_FILENAME_MAX]; + _tinydir_char_t* extension; + int is_dir; + int is_reg; + +#ifndef _MSC_VER +#ifdef __MINGW32__ + struct _stat _s; +#else + struct stat _s; +#endif +#endif +} tinydir_file; + +typedef struct tinydir_dir { + _tinydir_char_t path[_TINYDIR_PATH_MAX]; + int has_next; + size_t n_files; + + tinydir_file* _files; +#ifdef _MSC_VER + HANDLE _h; + WIN32_FIND_DATA _f; +#else + _TINYDIR_DIR* _d; + struct _tinydir_dirent* _e; +#ifndef _TINYDIR_USE_READDIR + struct _tinydir_dirent* _ep; +#endif +#endif +} tinydir_dir; + +/* declarations */ + +_TINYDIR_FUNC +int tinydir_open(tinydir_dir* dir, const _tinydir_char_t* path); +_TINYDIR_FUNC +int tinydir_open_sorted(tinydir_dir* dir, const _tinydir_char_t* path); +_TINYDIR_FUNC +void tinydir_close(tinydir_dir* dir); + +_TINYDIR_FUNC +int tinydir_next(tinydir_dir* dir); +_TINYDIR_FUNC +int tinydir_readfile(const tinydir_dir* dir, tinydir_file* file); +_TINYDIR_FUNC +int tinydir_readfile_n(const tinydir_dir* dir, tinydir_file* file, size_t i); +_TINYDIR_FUNC +int tinydir_open_subdir_n(tinydir_dir* dir, size_t i); + +_TINYDIR_FUNC +int tinydir_file_open(tinydir_file* file, const _tinydir_char_t* path); +_TINYDIR_FUNC +void _tinydir_get_ext(tinydir_file* file); +_TINYDIR_FUNC +int _TINYDIR_CDECL _tinydir_file_cmp(const void* a, const void* b); +#ifndef _MSC_VER +#ifndef _TINYDIR_USE_READDIR +_TINYDIR_FUNC +size_t _tinydir_dirent_buf_size(_TINYDIR_DIR* dirp); +#endif +#endif + +/* definitions*/ + +_TINYDIR_FUNC +int tinydir_open(tinydir_dir* dir, const _tinydir_char_t* path) { +#ifndef _MSC_VER +#ifndef _TINYDIR_USE_READDIR + int error; + int size; /* using int size */ +#endif +#else + _tinydir_char_t path_buf[_TINYDIR_PATH_MAX]; +#endif + _tinydir_char_t* pathp; + + if (dir == NULL || path == NULL || _tinydir_strlen(path) == 0) { + errno = EINVAL; + return -1; + } + if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX) { + errno = ENAMETOOLONG; + return -1; + } + + /* initialise dir */ + dir->_files = NULL; +#ifdef _MSC_VER + dir->_h = INVALID_HANDLE_VALUE; +#else + dir->_d = NULL; +#ifndef _TINYDIR_USE_READDIR + dir->_ep = NULL; +#endif +#endif + tinydir_close(dir); + + _tinydir_strcpy(dir->path, path); + /* Remove trailing slashes */ + pathp = &dir->path[_tinydir_strlen(dir->path) - 1]; + while (pathp != dir->path && + (*pathp == TINYDIR_STRING('\\') || *pathp == TINYDIR_STRING('/'))) { + *pathp = TINYDIR_STRING('\0'); + pathp++; + } +#ifdef _MSC_VER + _tinydir_strcpy(path_buf, dir->path); + _tinydir_strcat(path_buf, TINYDIR_STRING("\\*")); +#if (defined WINAPI_FAMILY) && (WINAPI_FAMILY != WINAPI_FAMILY_DESKTOP_APP) + dir->_h = FindFirstFileEx( + path_buf, FindExInfoStandard, &dir->_f, FindExSearchNameMatch, NULL, 0); +#else + dir->_h = FindFirstFile(path_buf, &dir->_f); +#endif + if (dir->_h == INVALID_HANDLE_VALUE) { + errno = ENOENT; +#else + dir->_d = _tinydir_opendir(path); + if (dir->_d == NULL) { +#endif + goto bail; + } + + /* read first file */ + dir->has_next = 1; +#ifndef _MSC_VER +#ifdef _TINYDIR_USE_READDIR + dir->_e = _tinydir_readdir(dir->_d); +#else + /* allocate dirent buffer for readdir_r */ + size = _tinydir_dirent_buf_size(dir->_d); /* conversion to int */ + if (size == -1) + return -1; + dir->_ep = (struct _tinydir_dirent*)_TINYDIR_MALLOC(size); + if (dir->_ep == NULL) + return -1; + + error = readdir_r(dir->_d, dir->_ep, &dir->_e); + if (error != 0) + return -1; +#endif + if (dir->_e == NULL) { + dir->has_next = 0; + } +#endif + + return 0; + +bail: + tinydir_close(dir); + return -1; +} + +_TINYDIR_FUNC +int tinydir_open_sorted(tinydir_dir* dir, const _tinydir_char_t* path) { + /* Count the number of files first, to pre-allocate the files array */ + size_t n_files = 0; + if (tinydir_open(dir, path) == -1) { + return -1; + } + while (dir->has_next) { + n_files++; + if (tinydir_next(dir) == -1) { + goto bail; + } + } + tinydir_close(dir); + + if (n_files == 0 || tinydir_open(dir, path) == -1) { + return -1; + } + + dir->n_files = 0; + dir->_files = (tinydir_file*)_TINYDIR_MALLOC(sizeof *dir->_files * n_files); + if (dir->_files == NULL) { + goto bail; + } + while (dir->has_next) { + tinydir_file* p_file; + dir->n_files++; + + p_file = &dir->_files[dir->n_files - 1]; + if (tinydir_readfile(dir, p_file) == -1) { + goto bail; + } + + if (tinydir_next(dir) == -1) { + goto bail; + } + + /* Just in case the number of files has changed between the first and + second reads, terminate without writing into unallocated memory */ + if (dir->n_files == n_files) { + break; + } + } + + qsort(dir->_files, dir->n_files, sizeof(tinydir_file), _tinydir_file_cmp); + + return 0; + +bail: + tinydir_close(dir); + return -1; +} + +_TINYDIR_FUNC +void tinydir_close(tinydir_dir* dir) { + if (dir == NULL) { + return; + } + + memset(dir->path, 0, sizeof(dir->path)); + dir->has_next = 0; + dir->n_files = 0; + _TINYDIR_FREE(dir->_files); + dir->_files = NULL; +#ifdef _MSC_VER + if (dir->_h != INVALID_HANDLE_VALUE) { + FindClose(dir->_h); + } + dir->_h = INVALID_HANDLE_VALUE; +#else + if (dir->_d) { + _tinydir_closedir(dir->_d); + } + dir->_d = NULL; + dir->_e = NULL; +#ifndef _TINYDIR_USE_READDIR + _TINYDIR_FREE(dir->_ep); + dir->_ep = NULL; +#endif +#endif +} + +_TINYDIR_FUNC +int tinydir_next(tinydir_dir* dir) { + if (dir == NULL) { + errno = EINVAL; + return -1; + } + if (!dir->has_next) { + errno = ENOENT; + return -1; + } + +#ifdef _MSC_VER + if (FindNextFile(dir->_h, &dir->_f) == 0) +#else +#ifdef _TINYDIR_USE_READDIR + dir->_e = _tinydir_readdir(dir->_d); +#else + if (dir->_ep == NULL) { + return -1; + } + if (readdir_r(dir->_d, dir->_ep, &dir->_e) != 0) { + return -1; + } +#endif + if (dir->_e == NULL) +#endif + { + dir->has_next = 0; +#ifdef _MSC_VER + if (GetLastError() != ERROR_SUCCESS && + GetLastError() != ERROR_NO_MORE_FILES) { + tinydir_close(dir); + errno = EIO; + return -1; + } +#endif + } + + return 0; +} + +_TINYDIR_FUNC +int tinydir_readfile(const tinydir_dir* dir, tinydir_file* file) { + const _tinydir_char_t* filename; + if (dir == NULL || file == NULL) { + errno = EINVAL; + return -1; + } +#ifdef _MSC_VER + if (dir->_h == INVALID_HANDLE_VALUE) +#else + if (dir->_e == NULL) +#endif + { + errno = ENOENT; + return -1; + } + filename = +#ifdef _MSC_VER + dir->_f.cFileName; +#else + dir->_e->d_name; +#endif + if (_tinydir_strlen(dir->path) + _tinydir_strlen(filename) + 1 + + _TINYDIR_PATH_EXTRA >= + _TINYDIR_PATH_MAX) { + /* the path for the file will be too long */ + errno = ENAMETOOLONG; + return -1; + } + if (_tinydir_strlen(filename) >= _TINYDIR_FILENAME_MAX) { + errno = ENAMETOOLONG; + return -1; + } + + _tinydir_strcpy(file->path, dir->path); + if (_tinydir_strcmp(dir->path, TINYDIR_STRING("/")) != 0) + _tinydir_strcat(file->path, TINYDIR_STRING("/")); + _tinydir_strcpy(file->name, filename); + _tinydir_strcat(file->path, filename); +#ifndef _MSC_VER +#ifdef __MINGW32__ + if (_tstat( +#elif (defined _BSD_SOURCE) || (defined _DEFAULT_SOURCE) || \ + ((defined _XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)) || \ + ((defined _POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)) || \ + ((defined __APPLE__) && (defined __MACH__)) || (defined BSD) + if (lstat( +#else + if (stat( +#endif + file->path, &file->_s) == -1) { + return -1; + } +#endif + _tinydir_get_ext(file); + + file->is_dir = +#ifdef _MSC_VER + !!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY); +#else + S_ISDIR(file->_s.st_mode); +#endif + file->is_reg = +#ifdef _MSC_VER + !!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NORMAL) || + (!(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DEVICE) && + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_ENCRYPTED) && +#ifdef FILE_ATTRIBUTE_INTEGRITY_STREAM + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_INTEGRITY_STREAM) && +#endif +#ifdef FILE_ATTRIBUTE_NO_SCRUB_DATA + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_NO_SCRUB_DATA) && +#endif + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_OFFLINE) && + !(dir->_f.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY)); +#else + S_ISREG(file->_s.st_mode); +#endif + + return 0; +} + +_TINYDIR_FUNC +int tinydir_readfile_n(const tinydir_dir* dir, tinydir_file* file, size_t i) { + if (dir == NULL || file == NULL) { + errno = EINVAL; + return -1; + } + if (i >= dir->n_files) { + errno = ENOENT; + return -1; + } + + memcpy(file, &dir->_files[i], sizeof(tinydir_file)); + _tinydir_get_ext(file); + + return 0; +} + +_TINYDIR_FUNC +int tinydir_open_subdir_n(tinydir_dir* dir, size_t i) { + _tinydir_char_t path[_TINYDIR_PATH_MAX]; + if (dir == NULL) { + errno = EINVAL; + return -1; + } + if (i >= dir->n_files || !dir->_files[i].is_dir) { + errno = ENOENT; + return -1; + } + + _tinydir_strcpy(path, dir->_files[i].path); + tinydir_close(dir); + if (tinydir_open_sorted(dir, path) == -1) { + return -1; + } + + return 0; +} + +/* Open a single file given its path */ +_TINYDIR_FUNC +int tinydir_file_open(tinydir_file* file, const _tinydir_char_t* path) { + tinydir_dir dir; + int result = 0; + int found = 0; + _tinydir_char_t dir_name_buf[_TINYDIR_PATH_MAX]; + _tinydir_char_t file_name_buf[_TINYDIR_PATH_MAX]; + _tinydir_char_t* dir_name; + _tinydir_char_t* base_name; +#if (defined _MSC_VER || defined __MINGW32__) + _tinydir_char_t drive_buf[_TINYDIR_PATH_MAX]; + _tinydir_char_t ext_buf[_TINYDIR_FILENAME_MAX]; +#endif + + if (file == NULL || path == NULL || _tinydir_strlen(path) == 0) { + errno = EINVAL; + return -1; + } + if (_tinydir_strlen(path) + _TINYDIR_PATH_EXTRA >= _TINYDIR_PATH_MAX) { + errno = ENAMETOOLONG; + return -1; + } + + /* Get the parent path */ +#if (defined _MSC_VER || defined __MINGW32__) +#if ((defined _MSC_VER) && (_MSC_VER >= 1400)) + errno = _tsplitpath_s( + path, drive_buf, _TINYDIR_DRIVE_MAX, dir_name_buf, _TINYDIR_FILENAME_MAX, + file_name_buf, _TINYDIR_FILENAME_MAX, ext_buf, _TINYDIR_FILENAME_MAX); +#else + _tsplitpath(path, drive_buf, dir_name_buf, file_name_buf, ext_buf); +#endif + + if (errno) { + return -1; + } + +/* _splitpath_s not work fine with only filename and widechar support */ +#ifdef _UNICODE + if (drive_buf[0] == L'\xFEFE') + drive_buf[0] = '\0'; + if (dir_name_buf[0] == L'\xFEFE') + dir_name_buf[0] = '\0'; +#endif + + /* Emulate the behavior of dirname by returning "." for dir name if it's + empty */ + if (drive_buf[0] == '\0' && dir_name_buf[0] == '\0') { + _tinydir_strcpy(dir_name_buf, TINYDIR_STRING(".")); + } + /* Concatenate the drive letter and dir name to form full dir name */ + _tinydir_strcat(drive_buf, dir_name_buf); + dir_name = drive_buf; + /* Concatenate the file name and extension to form base name */ + _tinydir_strcat(file_name_buf, ext_buf); + base_name = file_name_buf; +#else + _tinydir_strcpy(dir_name_buf, path); + dir_name = dirname(dir_name_buf); + _tinydir_strcpy(file_name_buf, path); + base_name = basename(file_name_buf); +#endif + + /* Special case: if the path is a root dir, open the parent dir as the file */ +#if (defined _MSC_VER || defined __MINGW32__) + if (_tinydir_strlen(base_name) == 0) +#else + if ((_tinydir_strcmp(base_name, TINYDIR_STRING("/"))) == 0) +#endif + { + memset(file, 0, sizeof *file); + file->is_dir = 1; + file->is_reg = 0; + _tinydir_strcpy(file->path, dir_name); + file->extension = file->path + _tinydir_strlen(file->path); + return 0; + } + + /* Open the parent directory */ + if (tinydir_open(&dir, dir_name) == -1) { + return -1; + } + + /* Read through the parent directory and look for the file */ + while (dir.has_next) { + if (tinydir_readfile(&dir, file) == -1) { + result = -1; + goto bail; + } + if (_tinydir_strcmp(file->name, base_name) == 0) { + /* File found */ + found = 1; + break; + } + tinydir_next(&dir); + } + if (!found) { + result = -1; + errno = ENOENT; + } + +bail: + tinydir_close(&dir); + return result; +} + +_TINYDIR_FUNC +void _tinydir_get_ext(tinydir_file* file) { + _tinydir_char_t* period = _tinydir_strrchr(file->name, TINYDIR_STRING('.')); + if (period == NULL) { + file->extension = &(file->name[_tinydir_strlen(file->name)]); + } else { + file->extension = period + 1; + } +} + +_TINYDIR_FUNC +int _TINYDIR_CDECL _tinydir_file_cmp(const void* a, const void* b) { + const tinydir_file* fa = (const tinydir_file*)a; + const tinydir_file* fb = (const tinydir_file*)b; + if (fa->is_dir != fb->is_dir) { + return -(fa->is_dir - fb->is_dir); + } + return _tinydir_strncmp(fa->name, fb->name, _TINYDIR_FILENAME_MAX); +} + +#ifndef _MSC_VER +#ifndef _TINYDIR_USE_READDIR +/* +The following authored by Ben Hutchings +from https://womble.decadent.org.uk/readdir_r-advisory.html +*/ +/* Calculate the required buffer size (in bytes) for directory * + * entries read from the given directory handle. Return -1 if this * + * this cannot be done. * + * * + * This code does not trust values of NAME_MAX that are less than * + * 255, since some systems (including at least HP-UX) incorrectly * + * define it to be a smaller value. */ +_TINYDIR_FUNC +size_t _tinydir_dirent_buf_size(_TINYDIR_DIR* dirp) { + long name_max; + size_t name_end; + /* parameter may be unused */ + (void)dirp; + +#if defined _TINYDIR_USE_FPATHCONF + name_max = fpathconf(dirfd(dirp), _PC_NAME_MAX); + if (name_max == -1) +#if defined(NAME_MAX) + name_max = (NAME_MAX > 255) ? NAME_MAX : 255; +#else + return (size_t)(-1); +#endif +#elif defined(NAME_MAX) + name_max = (NAME_MAX > 255) ? NAME_MAX : 255; +#else +#error "buffer size for readdir_r cannot be determined" +#endif + name_end = (size_t)offsetof(struct _tinydir_dirent, d_name) + name_max + 1; + return ( + name_end > sizeof(struct _tinydir_dirent) + ? name_end + : sizeof(struct _tinydir_dirent)); +} +#endif +#endif + +#ifdef __cplusplus +} +#endif + +#if defined(_MSC_VER) +#pragma warning(pop) +#endif + +#endif -- cgit v1.2.3