diff options
Diffstat (limited to 'tools/cpio/src/getdir.c')
| -rw-r--r-- | tools/cpio/src/getdir.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/tools/cpio/src/getdir.c b/tools/cpio/src/getdir.c deleted file mode 100644 index 245b7641e..000000000 --- a/tools/cpio/src/getdir.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Copyright (c) 2003 Gunnar Ritter - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute - * it freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * - * 3. This notice may not be removed or altered from any source distribution. - */ -/* Sccsid @(#)getdir.c 1.20 (gritter) 5/14/06 */ - -#ifndef __linux__ -/* - * 32-bit Solaris and Open UNIX do not have 64-bit getdents(); but - * having _FILE_OFFSET_BITS=64 will make it use a dirent64 struct - * on Open UNIX -> SEGV. - */ -#undef _FILE_OFFSET_BITS -#endif /* !__linux__ */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <stdlib.h> -#include <errno.h> -#include <string.h> - -#if defined (__UCLIBC__) -#include <linux/types.h> -#include <linux/dirent.h> -#define getdents(a, b, c) __getdents64(a, b, c) -#define dirent dirent64 -extern int getdents(int, struct dirent *, size_t); -#elif defined (__GLIBC__) || defined (__FreeBSD__) || defined (_AIX) || \ - defined (__NetBSD__) || defined (__OpenBSD__) || \ - defined (__DragonFly__) || defined (__APPLE__) -#include <dirent.h> -#define getdents(a, b, c) getdirentries((a), (char *)(b), (c), &(db->g_offs)) -#if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) || \ - defined (__DragonFly__) || defined (__APPLE__) -#undef d_ino -#endif /* __FreeBSD__ || __NetBSD__ || __OpenBSD__ || __DragonFly__ - || __APPLE__ */ -#elif defined (__dietlibc__) -#include <dirent.h> -#include <unistd.h> -#else /* !__GLIBC__, !__dietlibc__ */ -#ifdef __hpux -#define _KERNEL -#endif /* __hpux */ -#include <sys/dirent.h> -#ifdef __hpux -#ifndef _INO64_T -typedef unsigned long long uint64_t; -typedef uint64_t ino64_t; -#endif /* !_INO64_T */ -#ifdef __LP64__ -#define dirent __dirent64 -#else /* !__LP64__ */ -#define dirent __dirent32 -#endif /* !__LP64__ */ -#define d_reclen __d_reclen -#define d_name __d_name -#define d_ino __d_ino -#endif /* __hpux */ -#endif /* !__GLIBC__, !__dietlibc__ */ - -#include "getdir.h" - -#define DIBSIZE 5120 - -struct getdb { -#if !defined (__FreeBSD__) && !defined (__NetBSD__) && !defined (__OpenBSD__) \ - && !defined (__DragonFly__) && !defined (__APPLE__) - off_t g_offs; -#else /* __FreeBSD__, __NetBSD__, __OpenBSD__, __DragonFly__, __APPLE__ */ - long g_offs; -#endif /* __FreeBSD__, __NetBSD__, __OpenBSD__, __DragonFly__, __APPLE__ */ - struct dirent *g_dirp; - const char *g_path; - struct direc g_dic; - union { - char g_dirbuf[DIBSIZE+1]; - struct dirent g_dummy[1]; - } g_u; - int g_num; - int g_fd; -}; - -struct getdb * -getdb_alloc(const char *path, int fd) -{ - struct getdb *db; - - if ((db = malloc(sizeof *db)) == NULL) - return NULL; - db->g_dirp = NULL; - db->g_offs = 0; - db->g_fd = fd; - db->g_path = path; - return db; -} - -void -getdb_free(struct getdb *db) -{ - free(db); -} - -struct direc * -getdir(struct getdb *db, int *err) -{ - int reclen; - - *err = 0; - while (db->g_dirp == NULL) - { - /*LINTED*/ - db->g_num = getdents(db->g_fd, - (struct dirent *)db->g_u.g_dirbuf, - DIBSIZE); - if (db->g_num <= 0) { - if (db->g_num < 0) - *err = errno; - db->g_offs = 0; - return NULL; - } - /*LINTED*/ - db->g_dirp = (struct dirent *)db->g_u.g_dirbuf; - while (db->g_dirp && -#if !defined (__FreeBSD__) && !defined (__NetBSD__) && !defined (__OpenBSD__) \ - && !defined (__DragonFly__) && !defined (__APPLE__) - db->g_dirp->d_ino == 0 -#else /* __FreeBSD__, __NetBSD__, __OpenBSD__, __DragonFly__, __APPLE__ */ - (db->g_dirp->d_fileno == 0 -#ifdef DT_WHT - || db->g_dirp->d_type == DT_WHT -#endif - ) -#endif /* __FreeBSD__, __NetBSD__, __OpenBSD__, __DragonFly__, __APPLE__ */ - ) - { - next: -#ifndef __DragonFly__ - reclen = db->g_dirp->d_reclen; -#else - reclen = _DIRENT_DIRSIZ(db->g_dirp); -#endif - if ((db->g_num -= reclen) == 0 || reclen == 0) - db->g_dirp = NULL; - else - db->g_dirp = - /*LINTED*/ - (struct dirent *)((char *)db->g_dirp - + reclen); - } - } -#if !defined (__FreeBSD__) && !defined (__NetBSD__) && !defined (__OpenBSD__) \ - && !defined (__DragonFly__) && !defined (__APPLE__) - if (db->g_dirp->d_ino == 0) - goto next; - db->g_dic.d_ino = db->g_dirp->d_ino; -#else /* __FreeBSD__, __NetBSD__, __OpenBSD__, __DragonFly__, __APPLE__ */ - if (db->g_dirp->d_fileno == 0 -#ifdef DT_WHT - || db->g_dirp->d_type == DT_WHT -#endif - ) - { - goto next; - } - db->g_dic.d_ino = db->g_dirp->d_fileno; -#endif /* __FreeBSD__, __NetBSD__, __OpenBSD__, __DragonFly__, __APPLE__ */ - db->g_dic.d_name = db->g_dirp->d_name; -#ifndef __DragonFly__ - reclen = db->g_dirp->d_reclen; -#else - reclen = _DIRENT_DIRSIZ(db->g_dirp); -#endif - if ((db->g_num -= reclen) == 0 || reclen == 0) - db->g_dirp = NULL; - else - /*LINTED*/ - db->g_dirp = (struct dirent *)((char *)db->g_dirp + reclen); - return &(db->g_dic); -} |