/*********************************************************************************
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* Copyright: (C) 2025 LingYun IoT System Studio
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* All rights reserved.
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*
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* Filename: mymv.c
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* Description: This file is rename() example.
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*
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* Version: 1.0.0(10/15/2025)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "10/15/2025 03:27:05 PM"
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*
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********************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <string.h>
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/**
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* Checks if a path points to a regular file
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* @param path The file path to check
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* @return 1 if regular file, 0 otherwise
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*/
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int is_regular_file(const char *path)
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{
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struct stat path_stat;
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if (lstat(path, &path_stat) == -1)
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{
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return 0;
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}
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return S_ISREG(path_stat.st_mode);
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}
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int main(int argc, char *argv[])
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{
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// Check command line arguments
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if (argc != 3)
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{
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fprintf(stderr, "Usage: %s <source_path> <destination_path>\n", argv[0]);
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return EXIT_FAILURE;
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}
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const char *oldpath = argv[1];
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const char *newpath = argv[2];
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// Verify source is a regular file
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if (!is_regular_file(oldpath))
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{
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fprintf(stderr, "Error: '%s' is not a regular file\n", oldpath);
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return EXIT_FAILURE;
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}
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// Attempt the rename operation
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if (rename(oldpath, newpath) == -1)
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{
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fprintf(stderr, "Error: %s\n", strerror(errno));
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return EXIT_FAILURE;
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}
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printf("Successfully renamed '%s' to '%s'\n", oldpath, newpath);
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return EXIT_SUCCESS;
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}
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