diff options
| -rw-r--r-- | toys/Config.in | 11 | ||||
| -rw-r--r-- | toys/mkfifo.c | 39 | ||||
| -rw-r--r-- | toys/toylist.h | 6 |
3 files changed, 56 insertions, 0 deletions
diff --git a/toys/Config.in b/toys/Config.in index fbc633fe..e9ab177d 100644 --- a/toys/Config.in +++ b/toys/Config.in @@ -189,6 +189,17 @@ config MKE2FS_EXTENDED journal_dev Set by -J device=XXX sparse_super Don't allocate huge numbers of redundant superblocks +config MKFIFO + bool "mkfifo" + default y + help + usage: mkfifo [-m mode] name... + + Makes a named pipe at name. + + -m mode The mode of the pipe(s) created by mkfifo. It defaults to 0644. + The format is in octal, optionally preceded by a leading zero. + config ONEIT bool "oneit" default y diff --git a/toys/mkfifo.c b/toys/mkfifo.c new file mode 100644 index 00000000..f7cc5b6b --- /dev/null +++ b/toys/mkfifo.c @@ -0,0 +1,39 @@ +/* vi: set sw=4 ts=4: */ +/* + * mkfifo.c: Create a named pipe. + */ + +#include "toys.h" + +int mkfifo_main(void) +{ + char *arg; + int i; + mode_t mode; + + if (toys.optflags) { + long temp; + char *end; + int len = strlen(toy.mkfifo.mode); + temp = strtol(toy.mkfifo.mode, &end, 8); + switch (temp) { + case LONG_MAX: + case LONG_MIN: + case 0: + if (!errno) + break; + error_exit("Invalid mode"); + } + if (temp > 0777 || *end || len < 3 || len > 4) + error_exit("Invalid mode"); + mode = (mode_t)temp; + } else { + mode = 0644; + } + + for (i = 0; (arg = toys.optargs[i]); i++) + if (mkfifo(arg, mode)) + perror_exit(arg); + + return 0; +} diff --git a/toys/toylist.h b/toys/toylist.h index b717c93b..2c308ef7 100644 --- a/toys/toylist.h +++ b/toys/toylist.h @@ -61,9 +61,14 @@ struct toysh_data { char *command; }; +struct mkfifo_data { + char *mode; +}; + extern union toy_union { struct df_data df; struct mke2fs_data mke2fs; + struct mkfifo_data mkfifo; struct sleep_data sleep; struct touch_data touch; struct toysh_data toysh; @@ -104,6 +109,7 @@ USE_FALSE(NEWTOY(false, NULL, TOYFLAG_BIN)) USE_HELLO(NEWTOY(hello, NULL, TOYFLAG_USR|TOYFLAG_BIN)) USE_HELP(NEWTOY(help, "<1", TOYFLAG_BIN)) USE_MKE2FS(NEWTOY(mke2fs, MKE2FS_OPTSTRING, TOYFLAG_SBIN)) +USE_MKFIFO(NEWTOY(mkfifo, "<1m:", TOYFLAG_BIN)) USE_ONEIT(NEWTOY(oneit, "+<1p", TOYFLAG_SBIN)) USE_PWD(NEWTOY(pwd, NULL, TOYFLAG_BIN)) USE_READLINK(NEWTOY(readlink, "<1f", TOYFLAG_BIN)) |