Загрузить файлы в «src»

src/mkdir.c

@@ -0,0 +1,64 @@
+#include <sys/stat.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+int do_mkdir(const char *path) {
+	if (mkdir(path, 0777)) {
+		fprintf(stderr, "mkdir: %s %s\n", path, strerror(errno));
+		return 1;
+	}
+
+	return 0;
+}
+
+int do_parents(const char *path) {
+	if (path[0] == '.' || path[0] == '/')
+		return 0;
+
+	char *path2 = strdup(path);
+	if (!path2) {
+		fprintf(stderr, "mkdir: %s %s\n", path, strerror(errno));
+		return 1;
+	}
+
+	const char *par = dirname(path2);
+	do_parents(par);
+	do_mkdir(path2);
+
+	free(path2);
+	return 0;
+}
+
+int main(const int argc, const char **argv) {
+	unsigned int flag = 0;
+
+	int i;
+	for (i = 1; i < argc; i++) {
+		if (argv[i][0] != '-')
+			break;
+
+		else if (!strcmp(argv[i], "-p"))
+			flag = 1;
+
+		else if (!strcmp(argv[i], "-h")) {
+			printf("mkdir [-p (make parent dir)] [dir1 dir2...]");
+			return 0;
+		}
+	}
+
+	for (; i < argc; i++) {
+		if (flag) {
+			if (do_parents(argv[i]))
+				return 1;
+		}
+
+		else {
+			if (do_mkdir(argv[i]))
+				return 1;
+		}
+	}
+
+	return 0;
+}

src/mkfifo.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+int main(const int argc, const char **argv) {
+	if (argc == 1) {
+		printf("mkfifo: missing operand\n");
+		return 1;
+	}
+
+	for (int i = 1; i < argc; i++) {
+		if (mkfifo(argv[i], 0666)) {
+			fprintf(stderr, "mkfifo: %s %s\n", argv[i], strerror(errno));
+			return 1;
+		}
+	}
+
+	return 0;
+}

src/rm.c

@@ -8,7 +8,7 @@
 
 int get_stat(const char *path, struct stat *stat_path) {
 	if (stat(path, stat_path)) {
-		fprintf(stderr, "unable to stat %s: %s\n", path, strerror(errno));
+		fprintf(stderr, "rm: unable to stat %s: %s\n", path, strerror(errno));
 		return 1;
 	}
 
@@ -21,7 +21,7 @@ int rmtree(const char *path) {
 
 	if (S_ISDIR(stat_path.st_mode) == 0) {
 		if (unlink(path) < 0) {
-			fprintf(stderr, "%s: is not directory\n", path);
+			fprintf(stderr, "rm: %s: is not directory\n", path);
 			return -1;
 		}
 
@@ -30,7 +30,7 @@ int rmtree(const char *path) {
 
 	DIR *dir = opendir(path);
 	if (dir == NULL) {
-		fprintf(stderr, "%s: Can`t open directory\n", path);
+		fprintf(stderr, "rm: %s: Can`t open directory\n", path);
 		return -1;
 	}
 
@@ -41,7 +41,7 @@ int rmtree(const char *path) {
 
 		char *full_path = malloc(strlen(path) + strlen(ep->d_name) + 1);
 		if (full_path == NULL) {
-			fprintf(stderr, "malloc() returned NULL\n");
+			fprintf(stderr, "rm: malloc() returned NULL\n");
 			return 1;
 		}
 
@@ -53,14 +53,14 @@ int rmtree(const char *path) {
 
 	closedir(dir);
 	if (rmdir(path) < 0)
-		fprintf(stderr, "%s: can`t remove a directory\n", path);
+		fprintf(stderr, "rm: %s: can`t remove a directory\n", path);
 
 	return 0;
 }
 
 int main(const int argc, char **argv) {
 	if (argc == 1) {
-		fprintf(stderr, "rm: missing operand\n");
+		printf("rm: missing operand\n");
 		return 1;
 	}
 

src/touch.c

@@ -30,7 +30,7 @@ int touch(const char *path) {
 
 int main(const int argc, const char **argv) {
 	if (argc == 1) {
-		fprintf(stderr, "touch: missing operand\n");
+		printf("touch: missing operand\n");
 		return 1;
 	}