diff options
Diffstat (limited to 'target/makedevs/makedevs.c')
| -rw-r--r-- | target/makedevs/makedevs.c | 99 |
1 files changed, 54 insertions, 45 deletions
diff --git a/target/makedevs/makedevs.c b/target/makedevs/makedevs.c index bb3310761..0f166dfd2 100644 --- a/target/makedevs/makedevs.c +++ b/target/makedevs/makedevs.c @@ -63,6 +63,7 @@ void bb_error_msg_and_die(const char *s, ...) putc('\n', stderr); exit(1); } + void bb_vperror_msg(const char *s, va_list p) { int err=errno; @@ -146,8 +147,8 @@ int bb_make_directory (char *path, long mode, int flags) /* If we failed for any other reason than the directory * already exists, output a diagnostic and return -1.*/ if (errno != EEXIST - || !(flags & FILEUTILS_RECUR) - || (stat(path, &st) < 0 || !S_ISDIR(st.st_mode))) { + || !(flags & FILEUTILS_RECUR) + || (stat(path, &st) < 0 || !S_ISDIR(st.st_mode))) { fail_msg = "create"; umask(mask); break; @@ -321,62 +322,63 @@ char *concat_path_file(const char *path, const char *filename) return outbuf; } +void bb_show_usage(void) +{ + fprintf(stderr, "%s: [-d device_table] rootdir\n\n", bb_applet_name); + fprintf(stderr, "Creates a batch of special files as specified in a device table.\n"); + fprintf(stderr, "Device table entries take the form of:\n"); + fprintf(stderr, "type mode user group major minor start increment count\n\n"); + fprintf(stderr, "Where name is the file name, type can be one of:\n"); + fprintf(stderr, " f A regular file\n"); + fprintf(stderr, " d Directory\n"); + fprintf(stderr, " c Character special device file\n"); + fprintf(stderr, " b Block special device file\n"); + fprintf(stderr, " p Fifo (named pipe)\n"); + fprintf(stderr, "uid is the user id for the target file, gid is the group id for the\n"); + fprintf(stderr, "target file. The rest of the entries (major, minor, etc) apply to\n"); + fprintf(stderr, "to device special files. A '-' may be used for blank entries.\n\n"); + fprintf(stderr, "For example:\n"); + fprintf(stderr, "<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>\n"); + fprintf(stderr, "/dev d 755 0 0 - - - - -\n"); + fprintf(stderr, "/dev/console c 666 0 0 5 1 - - -\n"); + fprintf(stderr, "/dev/null c 666 0 0 1 3 0 0 -\n"); + fprintf(stderr, "/dev/zero c 666 0 0 1 5 0 0 -\n"); + fprintf(stderr, "/dev/hda b 640 0 0 3 0 0 0 -\n"); + fprintf(stderr, "/dev/hda b 640 0 0 3 1 1 1 15\n\n"); + fprintf(stderr, "Will Produce:\n"); + fprintf(stderr, "/dev\n"); + fprintf(stderr, "/dev/console\n"); + fprintf(stderr, "/dev/null\n"); + fprintf(stderr, "/dev/zero\n"); + fprintf(stderr, "/dev/hda\n"); + fprintf(stderr, "/dev/hda[0-15]\n"); + exit(1); +} + int main(int argc, char **argv) { int opt; FILE *table = stdin; - char *rootdir = "./"; - char *line; + char *rootdir = NULL; + char *line = NULL; int linenum = 0; int ret = EXIT_SUCCESS; bb_applet_name = basename(argv[0]); - argc--; - argv++; while ((opt = getopt(argc, argv, "d:")) != -1) { switch(opt) { - case 'd': - table = bb_xfopen(optarg, "r"); - break; - default: - fprintf(stderr, "%s: [-d device_table] rootdir\n\n", bb_applet_name); - fprintf(stderr, "Creates a batch of special files as specified in a device table.\n"); - fprintf(stderr, "Device table entries take the form of:\n"); - fprintf(stderr, "type mode user group major minor start increment count\n\n"); - fprintf(stderr, "Where name is the file name, type can be one of:\n"); - fprintf(stderr, " f A regular file\n"); - fprintf(stderr, " d Directory\n"); - fprintf(stderr, " c Character special device file\n"); - fprintf(stderr, " b Block special device file\n"); - fprintf(stderr, " p Fifo (named pipe)\n"); - fprintf(stderr, "uid is the user id for the target file, gid is the group id for the\n"); - fprintf(stderr, "target file. The rest of the entries (major, minor, etc) apply to\n"); - fprintf(stderr, "to device special files. A '-' may be used for blank entries.\n\n"); - fprintf(stderr, "For example:\n"); - fprintf(stderr, "<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>\n"); - fprintf(stderr, "/dev d 755 0 0 - - - - -\n"); - fprintf(stderr, "/dev/console c 666 0 0 5 1 - - -\n"); - fprintf(stderr, "/dev/null c 666 0 0 1 3 0 0 -\n"); - fprintf(stderr, "/dev/zero c 666 0 0 1 5 0 0 -\n"); - fprintf(stderr, "/dev/hda b 640 0 0 3 0 0 0 -\n"); - fprintf(stderr, "/dev/hda b 640 0 0 3 1 1 1 15\n\n"); - fprintf(stderr, "Will Produce:\n"); - fprintf(stderr, "/dev\n"); - fprintf(stderr, "/dev/console\n"); - fprintf(stderr, "/dev/null\n"); - fprintf(stderr, "/dev/zero\n"); - fprintf(stderr, "/dev/hda\n"); - fprintf(stderr, "/dev/hda[0-15]\n"); - exit(1); + case 'd': + table = bb_xfopen((line=optarg), "r"); + break; + default: + bb_show_usage(); } } - if (optind >= argc) { + if (optind >= argc || (rootdir=argv[optind])==NULL) { bb_error_msg_and_die("root directory not speficied"); } - rootdir = argv[optind]; - if (chdir(rootdir) != 0) { bb_perror_msg_and_die("Couldnt chdir to %s", rootdir); @@ -384,6 +386,13 @@ int main(int argc, char **argv) umask(0); + printf("rootdir=%s\n", rootdir); + if (line) { + printf("table='%s'\n", line); + } else { + printf("table=<stdin>\n"); + } + while ((line = bb_get_chomped_line_from_file(table))) { char type; unsigned int mode = 0755; @@ -402,9 +411,9 @@ int main(int argc, char **argv) linenum++; if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u", name, - &type, &mode, user, group, &major, - &minor, &start, &increment, &count)) || - ((major | minor | start | count | increment) > 255)) + &type, &mode, user, group, &major, + &minor, &start, &increment, &count)) || + ((major | minor | start | count | increment) > 255)) { if (*line=='\0' || *line=='#' || isspace(*line)) continue; |