diff options
Diffstat (limited to 'toys/posix')
| -rw-r--r-- | toys/posix/cpio.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/toys/posix/cpio.c b/toys/posix/cpio.c index 64725c13..69accbe3 100644 --- a/toys/posix/cpio.c +++ b/toys/posix/cpio.c @@ -16,7 +16,7 @@ * rdevmajor rdevminor namesize check * This is the equiavlent of mode -H newc when using GNU CPIO. -USE_CPIO(NEWTOY(cpio, "(no-preserve-owner)mduH:p:|i|t|F:v(verbose)o|[!pio][!pot][!pF]", TOYFLAG_BIN)) +USE_CPIO(NEWTOY(cpio, "(quiet)(no-preserve-owner)md(make-directories)uH:p|i|t|F:v(verbose)o|[!pio][!pot][!pF]", TOYFLAG_BIN)) config CPIO bool "cpio" @@ -32,6 +32,7 @@ config CPIO -i Extract from archive into file system (stdin=archive) -o Create archive (stdin=list of files, stdout=archive) -t Test files (list only, stdin=archive, stdout=list of files) + -d Create directories if needed -v Verbose --no-preserve-owner (don't set ownership during extract) */ @@ -40,7 +41,7 @@ config CPIO #include "toys.h" GLOBALS( - char *F, *p, *H; + char *F, *H; ) // Read strings, tail padded to 4 byte alignment. Argument "align" is amount @@ -84,7 +85,12 @@ void cpio_main(void) // In passthrough mode, parent stays in original dir and generates archive // to pipe, child does chdir to new dir and reads archive from stdin (pipe). - if (TT.p) { + if (FLAG(p)) { + if (FLAG(d)) { + if (!*toys.optargs) error_exit("need directory for -p"); + if (mkdir(*toys.optargs, 0700) == -1 && errno != EEXIST) + perror_exit("mkdir %s", *toys.optargs); + } if (toys.stacktop) { // xpopen() doesn't return from child due to vfork(), instead restarts // with !toys.stacktop @@ -93,7 +99,7 @@ void cpio_main(void) } else { // child toys.optflags |= FLAG_i; - xchdir(TT.p); + xchdir(*toys.optargs); } } @@ -129,9 +135,10 @@ void cpio_main(void) gid = x8u(toybuf+30); timestamp = x8u(toybuf+46); // unsigned 32 bit, so year 2100 problem + // (This output is unaffected by --quiet.) if (FLAG(t) || FLAG(v)) puts(name); - if (!test && strrchr(name, '/') && mkpath(name)) { + if (!test && FLAG(d) && strrchr(name, '/') && mkpath(name)) { perror_msg("mkpath '%s'", name); test++; } @@ -279,5 +286,5 @@ void cpio_main(void) } if (TT.F) xclose(afd); - if (TT.p) toys.exitval |= xpclose(pid, pipe); + if (FLAG(p) && pid) toys.exitval |= xpclose(pid, pipe); } |