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