Annotation of src/sbin/gpt/label.c, Revision 1.30
1.1 christos 1: /*-
2: * Copyright (c) 2005 Marcel Moolenaar
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: *
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: * 2. Redistributions in binary form must reproduce the above copyright
12: * notice, this list of conditions and the following disclaimer in the
13: * documentation and/or other materials provided with the distribution.
14: *
15: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
1.16 christos 27: #if HAVE_NBTOOL_CONFIG_H
28: #include "nbtool_config.h"
29: #endif
30:
1.1 christos 31: #include <sys/cdefs.h>
1.2 christos 32: #ifdef __FBSDID
1.1 christos 33: __FBSDID("$FreeBSD: src/sbin/gpt/label.c,v 1.3 2006/10/04 18:20:25 marcel Exp $");
1.2 christos 34: #endif
35: #ifdef __RCSID
1.30 ! jnemeth 36: __RCSID("$NetBSD: label.c,v 1.29 2018/07/03 03:41:24 jnemeth Exp $");
1.2 christos 37: #endif
1.1 christos 38:
39: #include <sys/types.h>
40:
41: #include <err.h>
42: #include <stddef.h>
43: #include <stdio.h>
44: #include <stdlib.h>
45: #include <string.h>
46: #include <unistd.h>
47:
48: #include "map.h"
49: #include "gpt.h"
1.20 christos 50: #include "gpt_private.h"
1.18 christos 51: #include "gpt_uuid.h"
1.1 christos 52:
1.21 christos 53: static int cmd_label(gpt_t, int, char *[]);
1.5 riz 54:
1.21 christos 55: static const char *labelhelp[] = {
1.25 christos 56: "-a <-l label | -f file>",
57: "[-b blocknr] [-i index] [-L label] [-s sectors] [-t uuid] "
58: "<-l label | -f file>",
1.21 christos 59: };
60:
61: struct gpt_cmd c_label = {
62: "label",
63: cmd_label,
64: labelhelp, __arraycount(labelhelp),
1.29 jnemeth 65: GPT_SYNC,
1.21 christos 66: };
67:
68: #define usage() gpt_usage(NULL, &c_label)
1.1 christos 69:
1.22 christos 70: static void
1.30 ! jnemeth 71: change(struct gpt_ent *ent, void *v, int backup)
1.1 christos 72: {
1.22 christos 73: uint8_t *name = v;
1.24 christos 74: utf8_to_utf16(name, ent->ent_name, __arraycount(ent->ent_name));
1.1 christos 75: }
76:
1.23 christos 77: static int
78: name_from_file(gpt_t gpt, void *v)
1.1 christos 79: {
80: FILE *f;
81: char *p;
82: size_t maxlen = 1024;
83: size_t len;
1.23 christos 84: const char *fn = optarg;
85: char **name = v;
86:
87: if (*name != NULL)
88: return -1;
1.1 christos 89:
90: if (strcmp(fn, "-") != 0) {
91: f = fopen(fn, "r");
1.23 christos 92: if (f == NULL) {
93: gpt_warn(gpt, "Can't open `%s'", fn);
94: return -1;
95: }
1.1 christos 96: } else
97: f = stdin;
1.23 christos 98:
99: if ((*name = malloc(maxlen)) == NULL) {
100: gpt_warn(gpt, "Can't copy string");
1.26 christos 101: goto cleanup;
1.23 christos 102: }
103: len = fread(*name, 1, maxlen - 1, f);
104: if (ferror(f)) {
105: gpt_warn(gpt, "Can't label from `%s'", fn);
1.26 christos 106: goto cleanup;
1.23 christos 107: }
1.1 christos 108: if (f != stdin)
109: fclose(f);
1.23 christos 110: (*name)[len] = '\0';
1.1 christos 111: /* Only keep the first line, excluding the newline character. */
1.23 christos 112: p = strchr(*name, '\n');
1.1 christos 113: if (p != NULL)
114: *p = '\0';
1.23 christos 115: return 0;
1.26 christos 116: cleanup:
117: free(*name);
118: if (f != stdin)
119: fclose(f);
120: return -1;
1.1 christos 121: }
122:
1.21 christos 123: static int
1.20 christos 124: cmd_label(gpt_t gpt, int argc, char *argv[])
1.1 christos 125: {
1.20 christos 126: int ch;
1.22 christos 127: struct gpt_find find;
128: char *name = NULL;
129:
130: memset(&find, 0, sizeof(find));
131: find.msg = "label changed";
1.1 christos 132:
133: /* Get the label options */
1.22 christos 134: while ((ch = getopt(argc, argv, GPT_FIND "f:l:")) != -1) {
1.1 christos 135: switch(ch) {
136: case 'f':
1.23 christos 137: if (name_from_file(gpt, &name) == -1)
1.27 christos 138: goto usage;
1.15 jnemeth 139: break;
1.1 christos 140: case 'l':
1.23 christos 141: if (gpt_name_get(gpt, &name) == -1)
1.27 christos 142: goto usage;
1.1 christos 143: break;
1.22 christos 144: default:
145: if (gpt_add_find(gpt, &find, ch) == -1)
1.27 christos 146: goto usage;
1.1 christos 147: break;
148: }
149: }
150:
1.20 christos 151: if (name == NULL || argc != optind)
1.27 christos 152: goto usage;
1.1 christos 153:
1.22 christos 154: return gpt_change_ent(gpt, &find, change, name);
1.27 christos 155: usage:
1.28 christos 156: usage();
1.27 christos 157: free(name);
158: return -1;
1.1 christos 159: }
CVSweb <webmaster@jp.NetBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to label.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [cvs.NetBSD.org] / src / sbin / gpt