lsR.c.tar.gz_遍历目录

/* * Author: dearvoid at gmail.com * * $Date: 2006-06-14 09:01:52 +0800 (Wed, 14 Jun 2006) $ * $HeadURL: svn://svnserver/clark/void/trunk/c/ls-R.c $ * $Revision: 554 $ */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include <stdio.h> #include <stdbool.h> #include <errno.h> #include <string.h> #include <stdlib.h> #include <dirent.h> #include <sys/stat.h> bool isDir(const char * path, const struct dirent * ent) { #ifdef HAVE_STRUCT_DIRENT_D_TYPE /* * On Mac OS X 10.3.x (PPC) the struct dirent does not * has the d_type field. */ return ent->d_type == DT_DIR; #else char buf[1024]; // FIXME struct stat fstat; sprintf(buf, "%s/%s", path, ent->d_name); if (stat(buf, &fstat) < 0) { perror("stat()"); exit(1); } else { return S_ISDIR(fstat.st_mode); } #endif } int ls_R(char * path) { int i; int nEntries; char buf[1024]; // FIXME struct dirent ** list; nEntries = scandir(path, &list, NULL, NULL); if (nEntries < 0) { printf("scandir('%s'): %s\n", path, strerror(errno)); return 1; } printf("%s:\n", path); for (i = 0; i < nEntries; ++i) { if (strcmp(list[i]->d_name, "..") && strcmp(list[i]->d_name, ".")) printf("\t%s\n", list[i]->d_name); if (!isDir(path, list[i]) || !strcmp(list[i]->d_name, ".") || !strcmp(list[i]->d_name, "..")) { free(list[i]); list[i] = NULL; } } printf("\n"); for (i = 0; i < nEntries; ++i) { if (list[i]) { sprintf(buf, "%s/%s", path, list[i]->d_name); ls_R(buf); } } for (i = 0; i < nEntries; ++i) { free(list[i]); } free(list); return 0; } int main(int argc, char *argv[]) { if (argc != 2) { printf("Usage:\n"); printf(" %s /your/dir\n", argv[0]); exit(1); } argv[1][strlen(argv[1])-1]=(argv[1][strlen(argv[1])-1]=='/')?'\0':'/'; puts(argv[1]); ls_R(argv[1]); return 0; }