104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/* Copyright (C) 2016 Jeremiah Orians
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* This file is part of M2-Planet.
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*
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* M2-Planet is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* M2-Planet is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include<stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define MAX_STRING 4096
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// CONSTANT MAX_STRING 4096
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int match(char* a, char* b);
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char* get_current_dir_name();
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char* copy_string(char* target, char* source)
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{
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while(0 != source[0])
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{
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target[0] = source[0];
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target = target + 1;
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source = source + 1;
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}
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return target;
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}
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char* prepend_string(char* add, char* base)
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{
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char* ret = calloc(MAX_STRING, sizeof(char));
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if(NULL == ret)
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{
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fputs("calloc failed in prepend_string\n", stderr);
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exit(EXIT_FAILURE);
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}
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copy_string(copy_string(ret, add), base);
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return ret;
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}
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int main()
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{
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char* current_path = calloc(MAX_STRING, sizeof(char));
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getcwd(current_path, MAX_STRING);
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char* base_path = calloc(MAX_STRING, sizeof(char));
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copy_string(base_path, current_path);
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/* Test they all evaluate to the same */
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char* current_path_getwd = calloc(MAX_STRING, sizeof(char));
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getwd(current_path_getwd);
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if(!match(current_path, current_path_getwd))
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{
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return 1;
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}
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char* current_path_dir_name = calloc(MAX_STRING, sizeof(char));
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current_path_dir_name = get_current_dir_name();
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if(!match(current_path, current_path_dir_name))
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{
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return 2;
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}
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/* Test chdir works */
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int chdir_rc = chdir(prepend_string(base_path, "/test/test0021"));
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if(chdir_rc != 0)
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{
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return 3;
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}
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getcwd(current_path, MAX_STRING);
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if(!match(current_path, prepend_string(base_path, "/test/test0021")))
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{
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return 4;
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}
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chdir(prepend_string(current_path, "/../.."));
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getcwd(current_path, MAX_STRING);
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/* Test fchdir works */
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FILE* fchdir_fd = open(prepend_string(base_path, "/test/test0021"), 0, 0);
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int fchdir_rc = fchdir(fchdir_fd);
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if(fchdir_rc != 0)
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{
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return 5;
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}
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getcwd(current_path, MAX_STRING);
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if(!match(current_path, prepend_string(base_path, "/test/test0021")))
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{
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return 6;
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}
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chdir(prepend_string(current_path, "/../.."));
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/* All tests passed */
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return 0;
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}
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