krh@91: #include <limits.h>
krh@91: #include <string.h>
krh@91: #include <sys/stat.h>
krh@91: #include <stdlib.h>
krh@91: #include <stdio.h>
krh@91: #include <unistd.h>
krh@91: 
danw@136: #include "razor-internal.h"
danw@136: 
krh@91: int
krh@91: razor_create_dir(const char *root, const char *path)
krh@91: {
krh@91: 	char buffer[PATH_MAX], *p;
krh@91: 	const char *slash, *next;
krh@91: 	struct stat buf;
krh@91: 
krh@91: 	/* Create all sub-directories in dir and then create name. We
krh@91: 	 * know root exists and is a dir, root does not end in a '/',
krh@91: 	 * and path has a leading '/'. */
krh@91: 
krh@91: 	strcpy(buffer, root);
krh@91: 	p = buffer + strlen(buffer);
krh@91: 	slash = path;
krh@91: 	for (slash = path; slash[1] != '\0'; slash = next) {
krh@91: 		next = strchr(slash + 1, '/');
krh@91: 		memcpy(p, slash, next - slash);
krh@91: 		p += next - slash;
krh@91: 		*p = '\0';
krh@91: 
krh@91: 		if (stat(buffer, &buf) == 0) {
krh@91: 			if (!S_ISDIR(buf.st_mode)) {
krh@91: 				fprintf(stderr,
krh@91: 					"%s exists but is not a directory\n",
krh@91: 					buffer);
krh@91: 				return -1;
krh@91: 			}
krh@91: 		} else if (mkdir(buffer, 0777) < 0) {
krh@91: 			fprintf(stderr, "failed to make directory %s: %m\n",
krh@91: 				buffer);
krh@91: 			return -1;
krh@91: 		}
krh@91: 
krh@91: 		/* FIXME: What to do about permissions for dirs we
krh@91: 		 * have to create but are not in the cpio archive? */
krh@91: 	}
krh@91: 
krh@91: 	return 0;
krh@91: }
krh@91: 
krh@91: int
krh@91: razor_write(int fd, const void *data, size_t size)
krh@91: {
krh@91: 	size_t rest;
krh@91: 	ssize_t written;
krh@91: 	const unsigned char *p;
krh@91: 
krh@91: 	rest = size;
krh@91: 	p = data;
krh@91: 	while (rest > 0) {
krh@91: 		written = write(fd, p, rest);
krh@91: 		if (written < 0) {
krh@91: 			fprintf(stderr, "write error: %m\n");
krh@91: 			return -1;
krh@91: 		}
krh@91: 		rest -= written;
krh@91: 		p += written;
krh@91: 	}
krh@91: 
krh@91: 	return 0;
krh@91: }