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缘由：
学习需要
正文：
参考解答：
#include <stdio.h>#include <stdlib.h>#include <string.h>#include <sys/types.h>#include <sys/stat.h>#include <unistd.h>#include <sys/types.h>#include <dirent.h>// int rc = unlink(LOCKFILE);// if (rc == -1) {// fprintf(stderr, "Failed to delete current pid file.\n");// return -1;// }int remove_directory(const char *path){ DIR *d = opendir(path); size_t path_len = strlen(path); int r = -1; if (d) { struct dirent *p; r = 0; while (!r && (p = readdir(d))) { int r2 = -1; char *buf; size_t len; /* Skip the names "." and ".." as we don't want to recurse on them. */ if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, "..")) { continue; } len = path_len + strlen(p->d_name) + 2; buf = malloc(len); if (buf) { struct stat statbuf; snprintf(buf, len, "%s/%s", path, p->d_name); if (!stat(buf, &statbuf)) { if (S_ISDIR(statbuf.st_mode)) { r2 = remove_directory(buf); } else { r2 = unlink(buf); } } free(buf); } r = r2; } closedir(d); } if (!r) { r = rmdir(path); } return r;}int main(int argc, char const *argv[]){ if(argc < 2) { return 1; } int rc = remove_directory(argv[1]); if (rc == -1) { fprintf(stderr, "Failed to delete file/directory: '%s'.\n", argv[1]); return 1; } return 0;} |
参考链接：
Linux下用C语言删除文件/目录
https://linux.die.net/man/3/remove
http://man7.org/linux/man-pages/man2/unlink.2.html # delete a name and possibly the file it refers to
http://man7.org/linux/man-pages/man2/rmdir.2.html # deletes a directory, which must be empty
http://c.biancheng.net/cpp/html/322.html
在C语言中如何删除一个非空目录？
https://stackoverflow.com/questions/2256945/removing-a-non-empty-directory-programmatically-in-c-or-c
https://stackoverflow.com/questions/5467725/how-to-delete-a-directory-and-its-contents-in-posix-c
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