diff options
Diffstat (limited to 'exfat/label')
-rw-r--r-- | exfat/label/exfatlabel.8 | 48 | ||||
-rw-r--r-- | exfat/label/main.c | 63 |
2 files changed, 111 insertions, 0 deletions
diff --git a/exfat/label/exfatlabel.8 b/exfat/label/exfatlabel.8 new file mode 100644 index 000000000..dd2ef1c00 --- /dev/null +++ b/exfat/label/exfatlabel.8 @@ -0,0 +1,48 @@ +.\" Copyright (C) 2011 Andrew Nayenko +.\" +.TH EXFATLABEL 8 "February 2011" +.SH NAME +.B exfatlabel +\- get or set an exFAT file system label +.SH SYNOPSIS +.B exfatlabel +[ +.B \-V +] +.I device +[ +.I label +] + +.SH DESCRIPTION +.B exfatlabel +reads or changes an exFAT file system label (volume name). + +If +.I label +argument is present, +.B exfatlabel +sets the new volume name. Label can be up to 15 characters. This limit is +shorter if characters beyond Unicode BMP are used because internally label +is stored in UTF-16. + +If +.I label +argument is omitted, +.B exfatlabel +just prints current volume name. + +.SH COMMAND LINE OPTIONS +Command line options available: +.TP +.BI \-V +Print version and copyright. + +.SH EXIT CODES +Zero is returned on success. Any other code means an error. + +.SH AUTHOR +Andrew Nayenko + +.SH SEE ALSO +.BR mkexfatfs (8) diff --git a/exfat/label/main.c b/exfat/label/main.c new file mode 100644 index 000000000..2e5b5caf6 --- /dev/null +++ b/exfat/label/main.c @@ -0,0 +1,63 @@ +/* + main.c (20.01.11) + Prints or changes exFAT volume label. + + Free exFAT implementation. + Copyright (C) 2011-2013 Andrew Nayenko + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include <stdio.h> +#include <string.h> +#include <exfat.h> + +int main(int argc, char* argv[]) +{ + char** pp; + struct exfat ef; + int rc = 0; + + for (pp = argv + 1; *pp; pp++) + if (strcmp(*pp, "-V") == 0) + { + printf("exfatlabel %u.%u.%u\n", EXFAT_VERSION_MAJOR, + EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH); + puts("Copyright (C) 2011-2013 Andrew Nayenko"); + return 0; + } + + if (argc != 2 && argc != 3) + { + fprintf(stderr, "Usage: %s [-V] <device> [label]\n", argv[0]); + return 1; + } + + if (argv[2]) + { + if (exfat_mount(&ef, argv[1], "") != 0) + return 1; + rc = (exfat_set_label(&ef, argv[2]) != 0); + } + else + { + if (exfat_mount(&ef, argv[1], "ro") != 0) + return 1; + puts(exfat_get_label(&ef)); + } + + exfat_unmount(&ef); + return rc; +} |