Implemented some more functions

src/utils.c

@@ -7,6 +7,7 @@
 #include <time.h>
 #include <unistd.h>
 #include <dirent.h>
+#include <errno.h>
 #include <sys/wait.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -270,11 +271,32 @@ int execute(char** stdout_buffer, char** stderr_buffer, const char* file, ...) {
 	return WIFEXITED(status) ? WEXITSTATUS(status) : -1;
 }
 
-bool delete_directory(const char* directory) {
+bool create_directory(const char* directory, mode_t mode, uid_t uid, gid_t gid) {
+	// Create the directory
+	if (mkdir(directory, mode) != 0) {
+		log_msg(LOG_ERROR, "Failed to create directory '%s' (%s).", directory, strerror(errno));
+		return false;
+	}
+
+	// Change the owner of the directory
+	if (chown(directory, uid, gid) != 0) {
+		log_msg(LOG_ERROR, "Failed to change the owner of directory '%s' (%s).", directory, strerror(errno));
+		return false;
+	}
+
+	return true;
+}
+
+bool delete_directory(const char* directory, int level) {
+	if (level > MAX_RECURSION_LEVEL) {
+		log_msg(LOG_ERROR, "Too many levels of recursion when deleting directory '%s'.", directory);
+		return false;
+	}
+
 	// Open the directory
 	DIR* dir = opendir(directory);
 	if (dir == NULL) {
-		log_msg(LOG_ERROR, "Failed to open directory '%s'.", directory);
+		log_msg(LOG_ERROR, "Failed to open directory '%s' (%s).", directory, strerror(errno));
 		return false;
 	}
 
@@ -297,7 +319,7 @@ bool delete_directory(const char* directory) {
 		struct stat statbuf;
 		int result = stat(entry_path, &statbuf);
 		if (result != 0) {
-			log_msg(LOG_ERROR, "Failed to get information about entry '%s'.", entry_path);
+			log_msg(LOG_ERROR, "Failed to get information about file '%s' (%s).", entry_path, strerror(errno));
 			free(entry_path);
 			closedir(dir);
 			return false;
@@ -305,7 +327,9 @@ bool delete_directory(const char* directory) {
 
 		if (S_ISDIR(statbuf.st_mode)) {
 			// Delete the directory
-			if (!delete_directory(entry_path)) {
+			if (!delete_directory(entry_path, level + 1)) {
+				log_msg(LOG_ERROR, "Failed to delete directory '%s'.", entry_path);
+
 				free(entry_path);
 				closedir(dir);
 				return false;
@@ -313,7 +337,8 @@ bool delete_directory(const char* directory) {
 		} else {
 			// Delete the file
 			if (unlink(entry_path) != 0) {
-				log_msg(LOG_ERROR, "Failed to delete entry '%s'.", entry_path);
+				log_msg(LOG_ERROR, "Failed to delete file '%s' (%s).", entry_path, strerror(errno));
+
 				free(entry_path);
 				closedir(dir);
 				return false;
@@ -328,7 +353,7 @@ bool delete_directory(const char* directory) {
 
 	// Delete the directory
 	if (rmdir(directory) != 0) {
-		log_msg(LOG_ERROR, "Failed to delete directory '%s'.", directory);
+		log_msg(LOG_ERROR, "Failed to delete directory '%s' (%s).", directory, strerror(errno));
 		return false;
 	}