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| author | Elliott Hughes <enh@google.com> | 2016-10-25 15:51:05 -0700 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2016-10-25 23:10:58 -0500 |
| commit | 31c519dcd7fba4291adfdb9f0d273929cdab7eb4 (patch) | |
| tree | 79d973c57120e3a8b1463fd7ff1d8a23e6d27dce | |
| parent | 4a17bdf4a7b4db001e9602410587be83be8bce3b (diff) | |
| download | toybox-31c519dcd7fba4291adfdb9f0d273929cdab7eb4.tar.gz | |
Add fallocate -o.
Also improve error reporting.
| -rw-r--r-- | toys/other/fallocate.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/toys/other/fallocate.c b/toys/other/fallocate.c index 7a226343..a7308972 100644 --- a/toys/other/fallocate.c +++ b/toys/other/fallocate.c @@ -4,14 +4,14 @@ * * No standard -USE_FALLOCATE(NEWTOY(fallocate, ">1l#|", TOYFLAG_USR|TOYFLAG_BIN)) +USE_FALLOCATE(NEWTOY(fallocate, ">1l#|o#", TOYFLAG_USR|TOYFLAG_BIN)) config FALLOCATE bool "fallocate" depends on TOYBOX_FALLOCATE default y help - usage: fallocate [-l size] file + usage: fallocate [-l size] [-o offset] file Tell the filesystem to allocate space for a file. */ @@ -20,12 +20,14 @@ config FALLOCATE #include "toys.h" GLOBALS( + long offset; long size; ) void fallocate_main(void) { int fd = xcreate(*toys.optargs, O_RDWR | O_CREAT, 0644); - if (posix_fallocate(fd, 0, TT.size)) error_exit("Not enough space"); + if ((errno = posix_fallocate(fd, TT.offset, TT.size))) + perror_exit("fallocate"); if (CFG_TOYBOX_FREE) close(fd); } |