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utils-std

Collection of commonly available Unix tools git clone https://anongit.hacktivis.me/git/utils-std.git

mkdir.c (2275B)

    

  1. // utils-std: Collection of commonly available Unix tools
  2. // SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
  3. // SPDX-License-Identifier: MPL-2.0
  5. #define _POSIX_C_SOURCE 200809L
  7. #include "../lib/lib_mkdir.h"
  8. #include "../lib/mode.h"
  10. #include <assert.h>
  11. #include <errno.h>
  12. #include <stdbool.h>
  13. #include <stdio.h>    // fprintf
  14. #include <stdlib.h>   // abort
  15. #include <string.h>   // strerror
  16. #include <sys/stat.h> // mkdir
  17. #include <unistd.h>   // getopt
  19. const char *argv0 = "mkdir";
  21. bool mkdir_parents_verbose = false;
  22. mode_t mkdir_parents_filemask;
  24. static int
  25. mkdir_simple(char *path, mode_t mode)
  26. {
  27. 	assert(errno == 0);
  28. 	if(mkdir(path, mode) < 0)
  29. 	{
  30. 		fprintf(stderr, "%s: error: Failed making directory '%s': %s\n", argv0, path, strerror(errno));
  31. 		errno = 0;
  32. 		return -1;
  33. 	}
  35. 	if(mkdir_parents_verbose) fprintf(stderr, "%s: Made directory: %s\n", argv0, path);
  37. 	return 0;
  38. }
  40. static void
  41. usage(void)
  42. {
  43. 	fprintf(stderr, "Usage: mkdir [-pv] [-m mode] path ...\n");
  44. }
  46. int
  47. main(int argc, char *argv[])
  48. {
  49. 	mkdir_parents_filemask = umask(0);
  50. 	umask(mkdir_parents_filemask);
  52. 	// clang-format off
  53. 	mode_t mode = (S_IRWXU | S_IRWXG | S_IRWXO | ~mkdir_parents_filemask) & 0777;
  54. 	bool opt_p = false;
  55. 	const char *errstr = NULL;
  56. 	// clang-format on
  58. 	int c = -1;
  59. 	while((c = getopt(argc, argv, ":pvm:")) != -1)
  60. 	{
  61. 		switch(c)
  62. 		{
  63. 		case 'p':
  64. 			opt_p = true;
  65. 			break;
  66. 		case 'v':
  67. 			mkdir_parents_verbose = true;
  68. 			break;
  69. 		case 'm':
  70. 			mode = new_mode(optarg, 0777, &errstr);
  71. 			if(errstr != NULL)
  72. 			{
  73. 				fprintf(stderr, "%s: error: Failed parsing mode '%s': %s\n", argv0, optarg, errstr);
  74. 				return 1;
  75. 			}
  76. 			break;
  77. 		case ':':
  78. 			fprintf(stderr, "%s: error: Missing operand for option: '-%c'\n", argv0, optopt);
  79. 			usage();
  80. 			return 1;
  81. 		case '?':
  82. 			fprintf(stderr, "%s: error: Unrecognised option: '-%c'\n", argv0, optopt);
  83. 			usage();
  84. 			return 1;
  85. 		default:
  86. 			abort();
  87. 		}
  88. 	}
  90. 	argc -= optind;
  91. 	argv += optind;
  93. 	assert(errno == 0);
  95. 	if(argc < 1)
  96. 	{
  97. 		fprintf(stderr, "%s: error: Missing operand\n", argv0);
  98. 		usage();
  99. 		return 1;
  100. 	}
  102. 	for(int i = 0; i < argc; i++)
  103. 	{
  104. 		int ret = 0;
  106. 		if(opt_p)
  107. 			ret = mkdir_parents(argv[i], mode);
  108. 		else
  109. 			ret = mkdir_simple(argv[i], mode);
  111. 		if(ret < 0) return 1;
  112. 	}
  114. 	return 0;
  115. }