minor cleanups
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93e6e0735a
commit
79e3250337
@ -63,6 +63,7 @@ void bb_error_msg_and_die(const char *s, ...)
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putc('\n', stderr);
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exit(1);
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}
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void bb_vperror_msg(const char *s, va_list p)
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{
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int err=errno;
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@ -146,8 +147,8 @@ int bb_make_directory (char *path, long mode, int flags)
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/* If we failed for any other reason than the directory
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* already exists, output a diagnostic and return -1.*/
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if (errno != EEXIST
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|| !(flags & FILEUTILS_RECUR)
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|| (stat(path, &st) < 0 || !S_ISDIR(st.st_mode))) {
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|| !(flags & FILEUTILS_RECUR)
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|| (stat(path, &st) < 0 || !S_ISDIR(st.st_mode))) {
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fail_msg = "create";
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umask(mask);
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break;
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@ -321,62 +322,63 @@ char *concat_path_file(const char *path, const char *filename)
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return outbuf;
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}
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void bb_show_usage(void)
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{
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fprintf(stderr, "%s: [-d device_table] rootdir\n\n", bb_applet_name);
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fprintf(stderr, "Creates a batch of special files as specified in a device table.\n");
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fprintf(stderr, "Device table entries take the form of:\n");
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fprintf(stderr, "type mode user group major minor start increment count\n\n");
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fprintf(stderr, "Where name is the file name, type can be one of:\n");
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fprintf(stderr, " f A regular file\n");
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fprintf(stderr, " d Directory\n");
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fprintf(stderr, " c Character special device file\n");
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fprintf(stderr, " b Block special device file\n");
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fprintf(stderr, " p Fifo (named pipe)\n");
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fprintf(stderr, "uid is the user id for the target file, gid is the group id for the\n");
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fprintf(stderr, "target file. The rest of the entries (major, minor, etc) apply to\n");
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fprintf(stderr, "to device special files. A '-' may be used for blank entries.\n\n");
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fprintf(stderr, "For example:\n");
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fprintf(stderr, "<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>\n");
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fprintf(stderr, "/dev d 755 0 0 - - - - -\n");
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fprintf(stderr, "/dev/console c 666 0 0 5 1 - - -\n");
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fprintf(stderr, "/dev/null c 666 0 0 1 3 0 0 -\n");
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fprintf(stderr, "/dev/zero c 666 0 0 1 5 0 0 -\n");
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fprintf(stderr, "/dev/hda b 640 0 0 3 0 0 0 -\n");
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fprintf(stderr, "/dev/hda b 640 0 0 3 1 1 1 15\n\n");
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fprintf(stderr, "Will Produce:\n");
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fprintf(stderr, "/dev\n");
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fprintf(stderr, "/dev/console\n");
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fprintf(stderr, "/dev/null\n");
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fprintf(stderr, "/dev/zero\n");
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fprintf(stderr, "/dev/hda\n");
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fprintf(stderr, "/dev/hda[0-15]\n");
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exit(1);
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}
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int main(int argc, char **argv)
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{
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int opt;
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FILE *table = stdin;
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char *rootdir = "./";
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char *line;
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char *rootdir = NULL;
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char *line = NULL;
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int linenum = 0;
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int ret = EXIT_SUCCESS;
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bb_applet_name = basename(argv[0]);
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argc--;
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argv++;
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while ((opt = getopt(argc, argv, "d:")) != -1) {
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switch(opt) {
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case 'd':
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table = bb_xfopen(optarg, "r");
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break;
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default:
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fprintf(stderr, "%s: [-d device_table] rootdir\n\n", bb_applet_name);
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fprintf(stderr, "Creates a batch of special files as specified in a device table.\n");
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fprintf(stderr, "Device table entries take the form of:\n");
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fprintf(stderr, "type mode user group major minor start increment count\n\n");
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fprintf(stderr, "Where name is the file name, type can be one of:\n");
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fprintf(stderr, " f A regular file\n");
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fprintf(stderr, " d Directory\n");
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fprintf(stderr, " c Character special device file\n");
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fprintf(stderr, " b Block special device file\n");
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fprintf(stderr, " p Fifo (named pipe)\n");
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fprintf(stderr, "uid is the user id for the target file, gid is the group id for the\n");
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fprintf(stderr, "target file. The rest of the entries (major, minor, etc) apply to\n");
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fprintf(stderr, "to device special files. A '-' may be used for blank entries.\n\n");
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fprintf(stderr, "For example:\n");
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fprintf(stderr, "<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>\n");
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fprintf(stderr, "/dev d 755 0 0 - - - - -\n");
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fprintf(stderr, "/dev/console c 666 0 0 5 1 - - -\n");
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fprintf(stderr, "/dev/null c 666 0 0 1 3 0 0 -\n");
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fprintf(stderr, "/dev/zero c 666 0 0 1 5 0 0 -\n");
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fprintf(stderr, "/dev/hda b 640 0 0 3 0 0 0 -\n");
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fprintf(stderr, "/dev/hda b 640 0 0 3 1 1 1 15\n\n");
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fprintf(stderr, "Will Produce:\n");
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fprintf(stderr, "/dev\n");
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fprintf(stderr, "/dev/console\n");
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fprintf(stderr, "/dev/null\n");
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fprintf(stderr, "/dev/zero\n");
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fprintf(stderr, "/dev/hda\n");
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fprintf(stderr, "/dev/hda[0-15]\n");
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exit(1);
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case 'd':
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table = bb_xfopen((line=optarg), "r");
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break;
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default:
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bb_show_usage();
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}
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}
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if (optind >= argc) {
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if (optind >= argc || (rootdir=argv[optind])==NULL) {
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bb_error_msg_and_die("root directory not speficied");
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}
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rootdir = argv[optind];
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if (chdir(rootdir) != 0) {
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bb_perror_msg_and_die("Couldnt chdir to %s", rootdir);
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@ -384,6 +386,13 @@ int main(int argc, char **argv)
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umask(0);
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printf("rootdir=%s\n", rootdir);
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if (line) {
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printf("table='%s'\n", line);
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} else {
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printf("table=<stdin>\n");
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}
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while ((line = bb_get_chomped_line_from_file(table))) {
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char type;
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unsigned int mode = 0755;
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@ -402,9 +411,9 @@ int main(int argc, char **argv)
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linenum++;
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if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u", name,
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&type, &mode, user, group, &major,
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&minor, &start, &increment, &count)) ||
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((major | minor | start | count | increment) > 255))
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&type, &mode, user, group, &major,
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&minor, &start, &increment, &count)) ||
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((major | minor | start | count | increment) > 255))
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{
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if (*line=='\0' || *line=='#' || isspace(*line))
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continue;
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