Added signatures for the backing system.

src/utils.c

@@ -276,53 +276,3 @@ char* read_file(int fd) {
 
 	return data;
 }
-
-bool copy_file(const char* src, const char* dst, mode_t mode) {
-	// Open the source file
-	int src_fd = open(src, O_RDONLY);
-	if (src_fd == -1) {
-		log_message(LOG_ERROR, "Failed to open the source file %s (%s).", src, strerror(errno));
-		return false;
-	}
-
-	// Open the destination file
-	int dst_fd = open(dst, O_WRONLY | O_CREAT | O_TRUNC, mode);
-	if (dst_fd == -1) {
-		log_message(LOG_ERROR, "Failed to open the destination file %s (%s).", dst, strerror(errno));
-
-		close(src_fd);
-
-		return false;
-	}
-
-	// Copy the file
-	char buffer[4096];
-	ssize_t n;
-
-	while ((n = read(src_fd, buffer, sizeof(buffer))) > 0) {
-		if (write(dst_fd, buffer, n) != n) {
-			log_message(LOG_ERROR, "Failed to write to the destination file %s (%s).", dst, strerror(errno));
-
-			close(src_fd);
-			close(dst_fd);
-
-			return false;
-		}
-	}
-
-	// Check for read errors
-	if (n < 0) {
-		log_message(LOG_ERROR, "Failed to read the source file %s (%s).", src, strerror(errno));
-
-		close(src_fd);
-		close(dst_fd);
-
-		return false;
-	}
-
-	// Close the files
-	close(src_fd);
-	close(dst_fd);
-
-	return true;
-}