/* vi: set sw=4 ts=4: *//* * Utility routines. * * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */#include <stdio.h>#include <string.h>#include <dirent.h>#include <sys/stat.h>#include <stdlib.h>	/* free() */#include "libbb.h"#undef DEBUG_RECURS_ACTION/* * Walk down all the directories under the specified  * location, and do something (something specified * by the fileAction and dirAction function pointers). * * Unfortunately, while nftw(3) could replace this and reduce  * code size a bit, nftw() wasn't supported before GNU libc 2.1,  * and so isn't sufficiently portable to take over since glibc2.1 * is so stinking huge. */int recursive_action(const char *fileName,					int recurse, int followLinks, int depthFirst,					int (*fileAction) (const char *fileName,									   struct stat * statbuf,									   void* userData),					int (*dirAction) (const char *fileName,									  struct stat * statbuf,									  void* userData),					void* userData){	int status;	struct stat statbuf;	struct dirent *next;	if (followLinks == TRUE)		status = stat(fileName, &statbuf);	else		status = lstat(fileName, &statbuf);	if (status < 0) {#ifdef DEBUG_RECURS_ACTION		fprintf(stderr,				"status=%d followLinks=%d TRUE=%d\n",				status, followLinks, TRUE);#endif		perror_msg("%s", fileName);		return FALSE;	}	if ((followLinks == FALSE) && (S_ISLNK(statbuf.st_mode))) {		if (fileAction == NULL)			return TRUE;		else			return fileAction(fileName, &statbuf, userData);	}	if (recurse == FALSE) {		if (S_ISDIR(statbuf.st_mode)) {			if (dirAction != NULL)				return (dirAction(fileName, &statbuf, userData));			else				return TRUE;		}	}	if (S_ISDIR(statbuf.st_mode)) {		DIR *dir;		if (dirAction != NULL && depthFirst == FALSE) {			status = dirAction(fileName, &statbuf, userData);			if (status == FALSE) {				perror_msg("%s", fileName);				return FALSE;			} else if (status == SKIP)				return TRUE;		}		dir = opendir(fileName);		if (!dir) {			perror_msg("%s", fileName);			return FALSE;		}		status = TRUE;		while ((next = readdir(dir)) != NULL) {			char *nextFile;			if ((strcmp(next->d_name, "..") == 0)					|| (strcmp(next->d_name, ".") == 0)) {				continue;			}			nextFile = concat_path_file(fileName, next->d_name);			if (recursive_action(nextFile, TRUE, followLinks, depthFirst,						fileAction, dirAction, userData) == FALSE) {				status = FALSE;			}			free(nextFile);		}		closedir(dir);		if (dirAction != NULL && depthFirst == TRUE) {			if (dirAction(fileName, &statbuf, userData) == FALSE) {				perror_msg("%s", fileName);				return FALSE;			}		}		if (status == FALSE)			return FALSE;	} else {		if (fileAction == NULL)			return TRUE;		else			return fileAction(fileName, &statbuf, userData);	}	return TRUE;}/* END CODE *//*Local Variables:c-file-style: "linux"c-basic-offset: 4tab-width: 4End:*/