diff options
Diffstat (limited to 'core/test.c')
| -rw-r--r-- | core/test.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/core/test.c b/core/test.c deleted file mode 100644 index af4d072..0000000 --- a/core/test.c +++ /dev/null @@ -1,128 +0,0 @@ -/* [ - evaluate expression - * Copyright (C) 2022 Ferass EL HAFIDI - * - * 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. - * 3. Neither the name of the copyright holder nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * 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 HOLDER 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. - */ - -#define _POSIX_C_SOURCE 200809L -#include <unistd.h> -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <libgen.h> -#include <sys/stat.h> -#include <stdint.h> -#include <string.h> -#include <stdlib.h> - -int getopt(int argc, char *const argv[], const char *optstring); -void printUsage(); - -/* For readability reasons, define true, false */ -int true = 0; -int false = 1; - -int main(int argc, char *argv[]) { - int argument; - char param[256]; - struct stat file_status; - - for (int i = 0; i < 256; i++) param[i] = 0; - - if (!strcmp(basename(argv[0]), "[")) { - if (strcmp(argv[argc - 1], "]")) { - /* FIXME: Is printing an error message POSIX-compliant? */ - fprintf(stderr, "[: No matching ]\n"); - return 1; - } - argc--; - argv[argc] = 0; - } - - if (argc < 2) return false; - if (!strcmp(argv[1], "!")) { - true = 1; - false = 0; - argc--; - argv++; - } - if (argc == 3) { - param[(uint8_t)argv[1][1]] = argv[1][1]; - /* Files */ - stat(argv[2], &file_status); - if (!errno) { - if (param['b'] && S_ISBLK(file_status.st_mode) != 0) return true; - else if (param['c'] && S_ISCHR(file_status.st_mode) != 0) return true; - else if (param['d'] && S_ISDIR(file_status.st_mode) != 0) return true; - /* Just return true, if -e is used. If it was false, stat() would - * have failed. If it failed, there's a check about which value - * to return. Return false if -e is used, otherwise, return errno - */ - else if (param['e']) return true; - else if (param['f'] && S_ISREG(file_status.st_mode) != 0) return true; - else if (param['g'] && file_status.st_mode & S_ISGID) return true; - else if ((param['h'] || param['L']) - && S_ISLNK(file_status.st_mode) != 0) return true; - else if (param['p'] && S_ISFIFO(file_status.st_mode) != 0) return true; - /* TODO: Better check for -r/-w. */ - else if (param['r'] && (file_status.st_mode & S_IRUSR - || file_status.st_mode & S_IROTH)) return true; - else if (param['S'] && S_ISSOCK(file_status.st_mode) != 0) return true; - else if (param['s'] && file_status.st_size > 0) return true; - else if (param['u'] && S_ISDIR(file_status.st_mode) - && file_status.st_mode & S_ISUID) return true; - else if (param['w'] && (file_status.st_mode & S_IWUSR - || file_status.st_mode & S_IWOTH)) return true; - else if (param['x'] && (file_status.st_mode & S_IXUSR - || file_status.st_mode & S_IXOTH)) return true; - } - else if (errno && param['e']) return false; - if (param['t']) { - if (isatty(strtol(argv[2], NULL, 10))) return true; - else return false; - } - /* Strings */ - if (param['n'] && strlen(argv[2])) return true; - else if (param['z'] && !strlen(argv[2])) return true; - } - - else if (argc == 4) { - if (!strcmp(argv[2], "=") && !strcmp(argv[1], argv[3])) return true; - else if (!strcmp(argv[2], "!=") && strcmp(argv[1], argv[3])) return true; - else if (!strcmp(argv[2], "-eq") && !strcmp(argv[1], argv[3])) return true; - else if (!strcmp(argv[2], "-ne") && strcmp(argv[1], argv[3])) return true; - else if (!strcmp(argv[2], "-gt") && - strtol(argv[1], NULL, 10) > strtol(argv[3], NULL, 10)) return true; - else if (!strcmp(argv[2], "-ge") && - strtol(argv[1], NULL, 10)>= strtol(argv[3], NULL, 10)) return true; - else if (!strcmp(argv[2], "-lt") && - strtol(argv[1], NULL, 10) < strtol(argv[3], NULL, 10)) return true; - else if (!strcmp(argv[2], "-le") && - strtol(argv[1], NULL, 10)<= strtol(argv[3], NULL, 10)) return true; - } - - /* TODO: Better error handling. */ - return false; -} |