#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-#include <termios.h>
#include <errno.h>
-#ifdef HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h>
-#endif
-#ifdef HAVE_GETOPT_H
#include <getopt.h>
-#else
-extern int getopt(int argc, char * const argv[], const char *optstring);
-extern char *optarg;
-extern int optind;
-#endif
+#define OUTPUT_FULL (1 << 0)
#define OUTPUT_VALUE_ONLY (1 << 1)
#define OUTPUT_DEVICE_ONLY (1 << 2)
#define OUTPUT_PRETTY_LIST (1 << 3) /* deprecated */
#define OUTPUT_UDEV_LIST (1 << 4) /* deprecated */
#define OUTPUT_EXPORT_LIST (1 << 5)
-#define LOWPROBE_TOPOLOGY (1 << 1)
-#define LOWPROBE_SUPERBLOCKS (1 << 2)
+#define BLKID_EXIT_NOTFOUND 2 /* token or device not found */
+#define BLKID_EXIT_OTHER 4 /* bad usage or other error */
+#define BLKID_EXIT_AMBIVAL 8 /* ambivalent low-level probing detected */
#include <blkid.h>
#include "ismounted.h"
-#define STRTOXX_EXIT_CODE 4 /* strtoxx_or_err() */
#include "strutils.h"
+#define OPTUTILS_EXIT_CODE BLKID_EXIT_OTHER /* exclusive_option() */
+#include "optutils.h"
+#define CLOSE_EXIT_CODE BLKID_EXIT_OTHER /* close_stdout() */
#include "closestream.h"
-const char *progname = "blkid";
-
-int raw_chars;
-
-static void print_version(FILE *out)
-{
- fprintf(out, "%s from %s (libblkid %s, %s)\n",
- progname, PACKAGE_STRING, LIBBLKID_VERSION, LIBBLKID_DATE);
-}
-
-static void usage(int error)
+#include "nls.h"
+#include "ttyutils.h"
+
+#define XALLOC_EXIT_CODE BLKID_EXIT_OTHER /* x.*alloc(), xstrndup() */
+#include "xalloc.h"
+
+struct blkid_control {
+ int output;
+ uintmax_t offset;
+ uintmax_t size;
+ char *show[128];
+ unsigned int
+ eval:1,
+ gc:1,
+ lookup:1,
+ lowprobe:1,
+ lowprobe_superblocks:1,
+ lowprobe_topology:1,
+ no_part_details:1,
+ raw_chars:1;
+};
+
+static void __attribute__((__noreturn__)) usage(void)
{
- FILE *out = error ? stderr : stdout;
-
- print_version(out);
- fprintf(out,
- "Usage:\n"
- " %1$s -L <label> | -U <uuid>\n\n"
- " %1$s [-c <file>] [-ghlLv] [-o <format>] [-s <tag>] \n"
- " [-t <token>] [<dev> ...]\n\n"
- " %1$s -p [-s <tag>] [-O <offset>] [-S <size>] \n"
- " [-o <format>] <dev> ...\n\n"
- " %1$s -i [-s <tag>] [-o <format>] <dev> ...\n\n"
- "Options:\n"
- " -c <file> read from <file> instead of reading from the default\n"
- " cache file (-c /dev/null means no cache)\n"
- " -d don't encode non-printing characters\n"
- " -h print this usage message and exit\n"
- " -g garbage collect the blkid cache\n"
- " -o <format> output format; can be one of:\n"
- " value, device, export or full; (default: full)\n"
- " -k list all known filesystems/RAIDs and exit\n"
- " -s <tag> show specified tag(s) (default show all tags)\n"
- " -t <token> find device with a specific token (NAME=value pair)\n"
- " -l look up only first device with token specified by -t\n"
- " -L <label> convert LABEL to device name\n"
- " -U <uuid> convert UUID to device name\n"
- " -v print version and exit\n"
- " <dev> specify device(s) to probe (default: all devices)\n\n"
- "Low-level probing options:\n"
- " -p low-level superblocks probing (bypass cache)\n"
- " -i gather information about I/O limits\n"
- " -S <size> overwrite device size\n"
- " -O <offset> probe at the given offset\n"
- " -u <list> filter by \"usage\" (e.g. -u filesystem,raid)\n"
- " -n <list> filter by filesystem type (e.g. -n vfat,ext3)\n"
- "\n", progname);
-
- exit(error);
+ FILE *out = stdout;
+
+ fputs(USAGE_HEADER, out);
+ fprintf(out, _( " %s --label <label> | --uuid <uuid>\n\n"), program_invocation_short_name);
+ fprintf(out, _( " %s [--cache-file <file>] [-ghlLv] [--output <format>] [--match-tag <tag>] \n"
+ " [--match-token <token>] [<dev> ...]\n\n"), program_invocation_short_name);
+ fprintf(out, _( " %s -p [--match-tag <tag>] [--offset <offset>] [--size <size>] \n"
+ " [--output <format>] <dev> ...\n\n"), program_invocation_short_name);
+ fprintf(out, _( " %s -i [--match-tag <tag>] [--output <format>] <dev> ...\n"), program_invocation_short_name);
+ fputs(USAGE_OPTIONS, out);
+ fputs(_( " -c, --cache-file <file> read from <file> instead of reading from the default\n"
+ " cache file (-c /dev/null means no cache)\n"), out);
+ fputs(_( " -d, --no-encoding don't encode non-printing characters\n"), out);
+ fputs(_( " -g, --garbage-collect garbage collect the blkid cache\n"), out);
+ fputs(_( " -o, --output <format> output format; can be one of:\n"
+ " value, device, export or full; (default: full)\n"), out);
+ fputs(_( " -k, --list-filesystems list all known filesystems/RAIDs and exit\n"), out);
+ fputs(_( " -s, --match-tag <tag> show specified tag(s) (default show all tags)\n"), out);
+ fputs(_( " -t, --match-token <token> find device with a specific token (NAME=value pair)\n"), out);
+ fputs(_( " -l, --list-one look up only first device with token specified by -t\n"), out);
+ fputs(_( " -L, --label <label> convert LABEL to device name\n"), out);
+ fputs(_( " -U, --uuid <uuid> convert UUID to device name\n"), out);
+ fputs(_( " <dev> specify device(s) to probe (default: all devices)\n"), out);
+ fputs( "\n", out);
+ fputs(_( "Low-level probing options:\n"), out);
+ fputs(_( " -p, --probe low-level superblocks probing (bypass cache)\n"), out);
+ fputs(_( " -i, --info gather information about I/O limits\n"), out);
+ fputs(_( " -S, --size <size> overwrite device size\n"), out);
+ fputs(_( " -O, --offset <offset> probe at the given offset\n"), out);
+ fputs(_( " -u, --usages <list> filter by \"usage\" (e.g. -u filesystem,raid)\n"), out);
+ fputs(_( " -n, --match-types <list> filter by filesystem type (e.g. -n vfat,ext3)\n"), out);
+ fputs(_( " -D, --no-part-details don't print info from partition table\n"), out);
+
+ fputs(USAGE_SEPARATOR, out);
+ printf(USAGE_HELP_OPTIONS(28));
+ printf(USAGE_MAN_TAIL("blkid(8)"));
+ exit(EXIT_SUCCESS);
}
/*
* This function does "safe" printing. It will convert non-printable
* ASCII characters using '^' and M- notation.
+ *
+ * If 'esc' is defined then escape all chars from esc by \.
*/
-static void safe_print(const char *cp, int len)
+static void safe_print(const struct blkid_control *ctl, const char *cp, int len,
+ const char *esc)
{
unsigned char ch;
while (len--) {
ch = *cp++;
- if (!raw_chars) {
+ if (!ctl->raw_chars) {
if (ch >= 128) {
fputs("M-", stdout);
ch -= 128;
if ((ch < 32) || (ch == 0x7f)) {
fputc('^', stdout);
ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */
- }
+
+ } else if (esc && strchr(esc, ch))
+ fputc('\\', stdout);
}
fputc(ch, stdout);
}
}
-static int get_terminal_width(void)
-{
-#ifdef TIOCGSIZE
- struct ttysize t_win;
-#endif
-#ifdef TIOCGWINSZ
- struct winsize w_win;
-#endif
- const char *cp;
-
-#ifdef TIOCGSIZE
- if (ioctl (0, TIOCGSIZE, &t_win) == 0)
- return (t_win.ts_cols);
-#endif
-#ifdef TIOCGWINSZ
- if (ioctl (0, TIOCGWINSZ, &w_win) == 0)
- return (w_win.ws_col);
-#endif
- cp = getenv("COLUMNS");
- if (cp)
- return strtol(cp, NULL, 10);
- return 80;
-}
-
static int pretty_print_word(const char *str, int max_len,
int left_len, int overflow_nl)
{
len = 0;
} else if (len > max_len)
ret = len - max_len;
- do
+ do {
fputc(' ', stdout);
- while (len++ < max_len);
+ } while (len++ < max_len);
return ret;
}
static int term_width = -1;
int len, w;
- if (term_width < 0)
- term_width = get_terminal_width();
-
+ if (term_width < 0) {
+ term_width = get_terminal_width(80);
+ }
if (term_width > 80) {
term_width -= 80;
w = term_width / 10;
if (dev == NULL) {
pretty_print_line("device", "fs_type", "label",
"mount point", "UUID");
- for (len=get_terminal_width()-1; len > 0; len--)
+ for (len=get_terminal_width(0)-1; len > 0; len--)
fputc('-', stdout);
fputc('\n', stdout);
return;
mtpt[0] = 0;
retval = check_mount_point(devname, &mount_flags, mtpt, sizeof(mtpt));
if (retval == 0) {
+ const char *msg = NULL;
+
if (mount_flags & MF_MOUNTED) {
if (!mtpt[0])
- strcpy(mtpt, "(mounted, mtpt unknown)");
+ msg = _("(mounted, mtpt unknown)");
} else if (mount_flags & MF_BUSY)
- strcpy(mtpt, "(in use)");
+ msg = _("(in use)");
else
- strcpy(mtpt, "(not mounted)");
+ msg = _("(not mounted)");
+
+ if (msg)
+ xstrncpy(mtpt, msg, sizeof(mtpt));
}
pretty_print_line(devname, fs_type, label, mtpt, uuid);
printf("ID_FS_%s=%s\n", name, enc);
} else if (!strcmp(name, "UUID") ||
- !strcmp(name, "LABEL") ||
+ !strncmp(name, "LABEL", 5) ||
!strcmp(name, "UUID_SUB")) {
blkid_safe_string(value, safe, sizeof(safe));
blkid_encode_string(value, enc, sizeof(enc));
printf("ID_FS_%s_ENC=%s\n", name, enc);
+ } else if (!strcmp(name, "PTUUID")) {
+ printf("ID_PART_TABLE_UUID=%s\n", value);
+
} else if (!strcmp(name, "PTTYPE")) {
printf("ID_PART_TABLE_TYPE=%s\n", value);
printf("ID_FS_%s=%s\n", name, value);
}
-static int has_item(char *ary[], const char *item)
+static int has_item(const struct blkid_control *ctl, const char *item)
{
- char **p;
+ char * const *p;
- for (p = ary; *p != NULL; p++)
+ for (p = ctl->show; *p != NULL; p++)
if (!strcmp(item, *p))
return 1;
return 0;
}
-static void print_value(int output, int num, const char *devname,
- const char *value, const char *name, size_t valsz)
+static void print_value(const struct blkid_control *ctl, int num,
+ const char *devname, const char *value,
+ const char *name, size_t valsz)
{
- if (output & OUTPUT_VALUE_ONLY) {
+ if (ctl->output & OUTPUT_VALUE_ONLY) {
fputs(value, stdout);
fputc('\n', stdout);
- } else if (output & OUTPUT_UDEV_LIST) {
+ } else if (ctl->output & OUTPUT_UDEV_LIST) {
print_udev_format(name, value);
- } else if (output & OUTPUT_EXPORT_LIST) {
+ } else if (ctl->output & OUTPUT_EXPORT_LIST) {
if (num == 1 && devname)
printf("DEVNAME=%s\n", devname);
fputs(name, stdout);
fputs("=", stdout);
- safe_print(value, valsz);
+ safe_print(ctl, value, valsz, " \\\"'$`<>");
fputs("\n", stdout);
} else {
if (num == 1 && devname)
- printf("%s: ", devname);
+ printf("%s:", devname);
+ fputs(" ", stdout);
fputs(name, stdout);
fputs("=\"", stdout);
- safe_print(value, valsz);
- fputs("\" ", stdout);
+ safe_print(ctl, value, valsz, "\"\\");
+ fputs("\"", stdout);
}
}
-static void print_tags(blkid_dev dev, char *show[], int output)
+static void print_tags(const struct blkid_control *ctl, blkid_dev dev)
{
blkid_tag_iterate iter;
const char *type, *value, *devname;
if (!dev)
return;
- if (output & OUTPUT_PRETTY_LIST) {
+ if (ctl->output & OUTPUT_PRETTY_LIST) {
pretty_print_dev(dev);
return;
}
devname = blkid_dev_devname(dev);
- if (output & OUTPUT_DEVICE_ONLY) {
+ if (ctl->output & OUTPUT_DEVICE_ONLY) {
printf("%s\n", devname);
return;
}
iter = blkid_tag_iterate_begin(dev);
while (blkid_tag_next(iter, &type, &value) == 0) {
- if (show[0] && !has_item(show, type))
+ if (ctl->show[0] && !has_item(ctl, type))
continue;
if (num == 1 && !first &&
- (output & (OUTPUT_UDEV_LIST | OUTPUT_EXPORT_LIST)))
+ (ctl->output & (OUTPUT_UDEV_LIST | OUTPUT_EXPORT_LIST)))
/* add extra line between output from more devices */
fputc('\n', stdout);
- print_value(output, num++, devname, value, type, strlen(value));
+ print_value(ctl, num++, devname, value, type, strlen(value));
}
blkid_tag_iterate_end(iter);
if (num > 1) {
- if (!(output & (OUTPUT_VALUE_ONLY | OUTPUT_UDEV_LIST |
+ if (!(ctl->output & (OUTPUT_VALUE_ONLY | OUTPUT_UDEV_LIST |
OUTPUT_EXPORT_LIST)))
printf("\n");
first = 0;
if (!len)
return -1;
- str = realloc(str, len + 1);
- if (!str)
- return -1;
-
- *res = str;
+ *res = str = xrealloc(str, len + 1);
str += *sz;
if (a) {
int count = 0, rc = -1;
while (!blkid_do_probe(pr)) {
- const char *usage = NULL, *type = NULL, *version = NULL;
+ const char *usage_txt = NULL, *type = NULL, *version = NULL;
char enc[256];
- blkid_probe_lookup_value(pr, "USAGE", &usage, NULL);
+ blkid_probe_lookup_value(pr, "USAGE", &usage_txt, NULL);
blkid_probe_lookup_value(pr, "TYPE", &type, NULL);
blkid_probe_lookup_value(pr, "VERSION", &version, NULL);
- if (!usage || !type)
+ if (!usage_txt || !type)
continue;
- blkid_encode_string(usage, enc, sizeof(enc));
+ blkid_encode_string(usage_txt, enc, sizeof(enc));
if (append_str(&val, &valsz, enc, ":"))
goto done;
if (count > 1) {
*(val + valsz - 1) = '\0'; /* rem tailing whitespace */
- printf("ID_FS_AMBIVALEN=%s\n", val);
+ printf("ID_FS_AMBIVALENT=%s\n", val);
rc = 0;
}
done:
return rc;
}
-static int lowprobe_superblocks(blkid_probe pr)
+static int lowprobe_superblocks(blkid_probe pr, struct blkid_control *ctl)
{
struct stat st;
int rc, fd = blkid_probe_get_fd(pr);
rc = blkid_do_fullprobe(pr);
if (rc < 0)
- return rc; /* -1 = error, 1 = nothing, 0 = succes */
+ return rc; /* -1 = error, 1 = nothing, 0 = success */
if (blkid_probe_lookup_value(pr, "PTTYPE", NULL, NULL) == 0)
return 0; /* partition table detected */
}
- blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS);
+ if (!ctl->no_part_details)
+ blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS);
blkid_probe_enable_superblocks(pr, 1);
return blkid_do_safeprobe(pr);
}
static int lowprobe_device(blkid_probe pr, const char *devname,
- int chain, char *show[], int output,
- blkid_loff_t offset, blkid_loff_t size)
+ struct blkid_control *ctl)
{
const char *data;
const char *name;
int rc = 0;
static int first = 1;
- fd = open(devname, O_RDONLY);
+ fd = open(devname, O_RDONLY|O_CLOEXEC|O_NONBLOCK);
if (fd < 0) {
- fprintf(stderr, "error: %s: %m\n", devname);
- return 2;
+ warn(_("error: %s"), devname);
+ return BLKID_EXIT_NOTFOUND;
}
- if (blkid_probe_set_device(pr, fd, offset, size))
+ errno = 0;
+ if (blkid_probe_set_device(pr, fd, ctl->offset, ctl->size)) {
+ if (errno)
+ warn(_("error: %s"), devname);
goto done;
+ }
- if (chain & LOWPROBE_TOPOLOGY)
+ if (ctl->lowprobe_topology)
rc = lowprobe_topology(pr);
- if (rc >= 0 && (chain & LOWPROBE_SUPERBLOCKS))
- rc = lowprobe_superblocks(pr);
+ if (rc >= 0 && ctl->lowprobe_superblocks)
+ rc = lowprobe_superblocks(pr, ctl);
if (rc < 0)
goto done;
if (!rc)
nvals = blkid_probe_numof_values(pr);
- if (nvals &&
- !(chain & LOWPROBE_TOPOLOGY) &&
- !(output & OUTPUT_UDEV_LIST) &&
- !blkid_probe_has_value(pr, "TYPE") &&
- !blkid_probe_has_value(pr, "PTTYPE"))
- /*
- * Ignore probing result if there is not any filesystem or
- * partition table on the device and udev output is not
- * requested.
- *
- * The udev db stores information about partitions, so
- * PART_ENTRY_* values are alway important.
- */
- nvals = 0;
-
- if (nvals && !first && output & (OUTPUT_UDEV_LIST | OUTPUT_EXPORT_LIST))
+ if (nvals && !first && ctl->output & (OUTPUT_UDEV_LIST | OUTPUT_EXPORT_LIST))
/* add extra line between output from devices */
fputc('\n', stdout);
- if (nvals && (output & OUTPUT_DEVICE_ONLY)) {
+ if (nvals && (ctl->output & OUTPUT_DEVICE_ONLY)) {
printf("%s\n", devname);
goto done;
}
for (n = 0; n < nvals; n++) {
if (blkid_probe_get_value(pr, n, &name, &data, &len))
continue;
- if (show[0] && !has_item(show, name))
+ if (ctl->show[0] && !has_item(ctl, name))
continue;
- len = strnlen((char *) data, len);
- print_value(output, num++, devname, (char *) data, name, len);
+ len = strnlen(data, len);
+ print_value(ctl, num++, devname, data, name, len);
}
if (first)
first = 0;
- if (nvals >= 1 && !(output & (OUTPUT_VALUE_ONLY |
+
+ if (nvals >= 1 && !(ctl->output & (OUTPUT_VALUE_ONLY |
OUTPUT_UDEV_LIST | OUTPUT_EXPORT_LIST)))
printf("\n");
done:
if (rc == -2) {
- if (output & OUTPUT_UDEV_LIST)
+ if (ctl->output & OUTPUT_UDEV_LIST)
print_udev_ambivalent(pr);
else
- fprintf(stderr,
- "%s: ambivalent result (probably more "
+ warnx(_("%s: ambivalent result (probably more "
"filesystems on the device, use wipefs(8) "
- "to see more details)\n",
+ "to see more details)"),
devname);
}
close(fd);
if (rc == -2)
- return 8; /* ambivalent probing result */
+ return BLKID_EXIT_AMBIVAL; /* ambivalent probing result */
if (!nvals)
- return 2; /* nothing detected */
+ return BLKID_EXIT_NOTFOUND; /* nothing detected */
return 0; /* success */
}
return mask;
err:
*flag = 0;
- fprintf(stderr, "unknown kerword in -u <list> argument: '%s'\n",
+ warnx(_("unknown keyword in -u <list> argument: '%s'"),
word ? word : list);
- exit(4);
+ exit(BLKID_EXIT_OTHER);
}
/* converts comma separated list to types[] */
p += 2;
}
if (!p || !*p) {
- fprintf(stderr, "error: -u <list> argument is empty\n");
+ warnx(_("error: -u <list> argument is empty"));
goto err;
}
for (i = 1; p && (p = strchr(p, ',')); i++, p++);
- res = calloc(i + 1, sizeof(char *));
- if (!res)
- goto err_mem;
+ res = xcalloc(i + 1, sizeof(char *));
p = *flag & BLKID_FLTR_NOTIN ? list + 2 : list;
i = 0;
while(p) {
const char *word = p;
p = strchr(p, ',');
- res[i] = p ? strndup(word, p - word) : strdup(word);
- if (!res[i++])
- goto err_mem;
+ res[i++] = p ? xstrndup(word, p - word) : xstrdup(word);
if (p)
p++;
}
res[i] = NULL;
return res;
-err_mem:
- fprintf(stderr, "out of memory\n");
err:
*flag = 0;
free(res);
- exit(4);
+ exit(BLKID_EXIT_OTHER);
}
static void free_types_list(char *list[])
int main(int argc, char **argv)
{
+ struct blkid_control ctl = { .output = OUTPUT_FULL, 0 };
blkid_cache cache = NULL;
char **devices = NULL;
- char *show[128] = { NULL, };
char *search_type = NULL, *search_value = NULL;
char *read = NULL;
int fltr_usage = 0;
char **fltr_type = NULL;
int fltr_flag = BLKID_FLTR_ONLYIN;
unsigned int numdev = 0, numtag = 0;
- int version = 0;
- int err = 4;
+ int err = BLKID_EXIT_OTHER;
unsigned int i;
- int output_format = 0;
- int lookup = 0, gc = 0, lowprobe = 0, eval = 0;
int c;
- uintmax_t offset = 0, size = 0;
- show[0] = NULL;
- atexit(close_stdout);
+ static const struct option longopts[] = {
+ { "cache-file", required_argument, NULL, 'c' },
+ { "no-encoding", no_argument, NULL, 'd' },
+ { "no-part-details", no_argument, NULL, 'D' },
+ { "garbage-collect", no_argument, NULL, 'g' },
+ { "output", required_argument, NULL, 'o' },
+ { "list-filesystems", no_argument, NULL, 'k' },
+ { "match-tag", required_argument, NULL, 's' },
+ { "match-token", required_argument, NULL, 't' },
+ { "list-one", no_argument, NULL, 'l' },
+ { "label", required_argument, NULL, 'L' },
+ { "uuid", required_argument, NULL, 'U' },
+ { "probe", no_argument, NULL, 'p' },
+ { "info", no_argument, NULL, 'i' },
+ { "size", required_argument, NULL, 'S' },
+ { "offset", required_argument, NULL, 'O' },
+ { "usages", required_argument, NULL, 'u' },
+ { "match-types", required_argument, NULL, 'n' },
+ { "version", no_argument, NULL, 'V' },
+ { "help", no_argument, NULL, 'h' },
+ { NULL, 0, NULL, 0 }
+ };
+
+ static const ul_excl_t excl[] = { /* rows and cols in ASCII order */
+ { 'n','u' },
+ { 0 }
+ };
+ int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+ close_stdout_atexit();
+
+ strutils_set_exitcode(BLKID_EXIT_OTHER);
+
+ while ((c = getopt_long (argc, argv,
+ "c:DdghilL:n:ko:O:ps:S:t:u:U:w:Vv", longopts, NULL)) != -1) {
+
+ err_exclusive_options(c, NULL, excl, excl_st);
- while ((c = getopt (argc, argv, "c:df:ghilL:n:ko:O:ps:S:t:u:U:w:v")) != EOF)
switch (c) {
case 'c':
- if (optarg && !*optarg)
- read = NULL;
- else
- read = optarg;
+ read = optarg;
break;
case 'd':
- raw_chars = 1;
+ ctl.raw_chars = 1;
+ break;
+ case 'D':
+ ctl.no_part_details = 1;
break;
case 'L':
- eval++;
- search_value = strdup(optarg);
- search_type = strdup("LABEL");
+ ctl.eval = 1;
+ search_value = xstrdup(optarg);
+ search_type = xstrdup("LABEL");
break;
case 'n':
- if (fltr_usage) {
- fprintf(stderr, "error: -u and -n options are mutually exclusive\n");
- exit(4);
- }
fltr_type = list_to_types(optarg, &fltr_flag);
break;
case 'u':
- if (fltr_type) {
- fprintf(stderr, "error: -u and -n options are mutually exclusive\n");
- exit(4);
- }
fltr_usage = list_to_usage(optarg, &fltr_flag);
break;
case 'U':
- eval++;
- search_value = strdup(optarg);
- search_type = strdup("UUID");
+ ctl.eval = 1;
+ search_value = xstrdup(optarg);
+ search_type = xstrdup("UUID");
break;
case 'i':
- lowprobe |= LOWPROBE_TOPOLOGY;
+ ctl.lowprobe_topology = 1;
break;
case 'l':
- lookup++;
+ ctl.lookup = 1;
break;
case 'g':
- gc = 1;
+ ctl.gc = 1;
break;
case 'k':
{
while (blkid_superblocks_get_name(idx++, &name, NULL) == 0)
printf("%s\n", name);
- exit(0);
+ exit(EXIT_SUCCESS);
}
case 'o':
if (!strcmp(optarg, "value"))
- output_format = OUTPUT_VALUE_ONLY;
+ ctl.output = OUTPUT_VALUE_ONLY;
else if (!strcmp(optarg, "device"))
- output_format = OUTPUT_DEVICE_ONLY;
+ ctl.output = OUTPUT_DEVICE_ONLY;
else if (!strcmp(optarg, "list"))
- output_format = OUTPUT_PRETTY_LIST; /* deprecated */
+ ctl.output = OUTPUT_PRETTY_LIST; /* deprecated */
else if (!strcmp(optarg, "udev"))
- output_format = OUTPUT_UDEV_LIST;
+ ctl.output = OUTPUT_UDEV_LIST;
else if (!strcmp(optarg, "export"))
- output_format = OUTPUT_EXPORT_LIST;
+ ctl.output = OUTPUT_EXPORT_LIST;
else if (!strcmp(optarg, "full"))
- output_format = 0;
- else {
- fprintf(stderr, "Invalid output format %s. "
- "Choose from value,\n\t"
- "device, list, udev or full\n", optarg);
- exit(4);
- }
+ ctl.output = 0;
+ else
+ errx(BLKID_EXIT_OTHER, _("unsupported output format %s"), optarg);
break;
case 'O':
- offset = strtosize_or_err(optarg, "failed to parse offset");
+ ctl.offset = strtosize_or_err(optarg, _("invalid offset argument"));
break;
case 'p':
- lowprobe |= LOWPROBE_SUPERBLOCKS;
+ ctl.lowprobe_superblocks = 1;
break;
case 's':
- if (numtag + 1 >= sizeof(show) / sizeof(*show)) {
- fprintf(stderr, "Too many tags specified\n");
- usage(err);
+ if (numtag + 1 >= sizeof(ctl.show) / sizeof(*ctl.show)) {
+ warnx(_("Too many tags specified"));
+ errtryhelp(err);
}
- show[numtag++] = optarg;
- show[numtag] = NULL;
+ ctl.show[numtag++] = optarg;
break;
case 'S':
- size = strtosize_or_err(optarg, "failed to parse size");
+ ctl.size = strtosize_or_err(optarg, _("invalid size argument"));
break;
case 't':
if (search_type) {
- fprintf(stderr, "Can only search for "
- "one NAME=value pair\n");
- usage(err);
+ warnx(_("Can only search for "
+ "one NAME=value pair"));
+ errtryhelp(err);
}
if (blkid_parse_tag_string(optarg,
&search_type,
&search_value)) {
- fprintf(stderr, "-t needs NAME=value pair\n");
- usage(err);
+ warnx(_("-t needs NAME=value pair"));
+ errtryhelp(err);
}
break;
+ case 'V':
case 'v':
- version = 1;
- break;
+ fprintf(stdout, _("%s from %s (libblkid %s, %s)\n"),
+ program_invocation_short_name, PACKAGE_STRING,
+ LIBBLKID_VERSION, LIBBLKID_DATE);
+ err = 0;
+ goto exit;
case 'w':
/* ignore - backward compatibility */
break;
case 'h':
- err = 0;
- /* fallthrough */
+ usage();
+ break;
default:
- usage(err);
+ errtryhelp(EXIT_FAILURE);
}
+ }
+ if (ctl.lowprobe_topology || ctl.lowprobe_superblocks)
+ ctl.lowprobe = 1;
/* The rest of the args are device names */
if (optind < argc) {
- devices = calloc(argc - optind, sizeof(char *));
- if (!devices) {
- fprintf(stderr, "Failed to allocate device name array\n");
- goto exit;
- }
-
+ devices = xcalloc(argc - optind, sizeof(char *));
while (optind < argc)
devices[numdev++] = argv[optind++];
}
- if (version) {
- print_version(stdout);
- goto exit;
- }
-
/* convert LABEL/UUID lookup to evaluate request */
- if (lookup && output_format == OUTPUT_DEVICE_ONLY && search_type &&
+ if (ctl.lookup && ctl.output == OUTPUT_DEVICE_ONLY && search_type &&
(!strcmp(search_type, "LABEL") || !strcmp(search_type, "UUID"))) {
- eval++;
- lookup = 0;
+ ctl.eval = 1;
+ ctl.lookup = 0;
}
- if (!lowprobe && !eval && blkid_get_cache(&cache, read) < 0)
+ if (!ctl.lowprobe && !ctl.eval && blkid_get_cache(&cache, read) < 0)
goto exit;
- if (gc) {
+ if (ctl.gc) {
blkid_gc_cache(cache);
err = 0;
goto exit;
}
- err = 2;
+ err = BLKID_EXIT_NOTFOUND;
- if (eval == 0 && (output_format & OUTPUT_PRETTY_LIST)) {
- if (lowprobe) {
- fprintf(stderr, "The low-level probing mode does not "
- "support 'list' output format\n");
- exit(4);
- }
+ if (ctl.eval == 0 && (ctl.output & OUTPUT_PRETTY_LIST)) {
+ if (ctl.lowprobe)
+ errx(BLKID_EXIT_OTHER,
+ _("The low-level probing mode does not "
+ "support 'list' output format"));
pretty_print_dev(NULL);
}
- if (lowprobe) {
+ if (ctl.lowprobe) {
/*
* Low-level API
*/
blkid_probe pr;
- if (!numdev) {
- fprintf(stderr, "The low-level probing mode "
- "requires a device\n");
- exit(4);
- }
+ if (!numdev)
+ errx(BLKID_EXIT_OTHER,
+ _("The low-level probing mode "
+ "requires a device"));
/* automatically enable 'export' format for I/O Limits */
- if (!output_format && (lowprobe & LOWPROBE_TOPOLOGY))
- output_format = OUTPUT_EXPORT_LIST;
+ if (!ctl.output && ctl.lowprobe_topology)
+ ctl.output = OUTPUT_EXPORT_LIST;
pr = blkid_new_probe();
if (!pr)
goto exit;
- if (lowprobe & LOWPROBE_SUPERBLOCKS) {
+ if (ctl.lowprobe_superblocks) {
blkid_probe_set_superblocks_flags(pr,
BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID |
BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE |
BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION);
- if (fltr_usage && blkid_probe_filter_superblocks_usage(
- pr, fltr_flag, fltr_usage))
+
+ if (fltr_usage &&
+ blkid_probe_filter_superblocks_usage(pr, fltr_flag, fltr_usage))
goto exit;
- else if (fltr_type && blkid_probe_filter_superblocks_type(
- pr, fltr_flag, fltr_type))
+ else if (fltr_type &&
+ blkid_probe_filter_superblocks_type(pr, fltr_flag, fltr_type))
goto exit;
}
- for (i = 0; i < numdev; i++)
- err = lowprobe_device(pr, devices[i], lowprobe, show,
- output_format,
- (blkid_loff_t) offset,
- (blkid_loff_t) size);
+ for (i = 0; i < numdev; i++) {
+ err = lowprobe_device(pr, devices[i], &ctl);
+ if (err)
+ break;
+ }
blkid_free_probe(pr);
- } else if (eval) {
+ } else if (ctl.eval) {
/*
* Evaluate API
*/
err = 0;
printf("%s\n", res);
}
- } else if (lookup) {
+ } else if (ctl.lookup) {
/*
* Classic (cache based) API
*/
blkid_dev dev;
- if (!search_type) {
- fprintf(stderr, "The lookup option requires a "
- "search type specified using -t\n");
- exit(4);
- }
+ if (!search_type)
+ errx(BLKID_EXIT_OTHER,
+ _("The lookup option requires a "
+ "search type specified using -t"));
/* Load any additional devices not in the cache */
for (i = 0; i < numdev; i++)
blkid_get_dev(cache, devices[i], BLKID_DEV_NORMAL);
if ((dev = blkid_find_dev_with_tag(cache, search_type,
search_value))) {
- print_tags(dev, show, output_format);
+ print_tags(&ctl, dev);
err = 0;
}
/* If we didn't specify a single device, show all available devices */
dev = blkid_verify(cache, dev);
if (!dev)
continue;
- print_tags(dev, show, output_format);
+ print_tags(&ctl, dev);
err = 0;
}
blkid_dev_iterate_end(iter);
!blkid_dev_has_tag(dev, search_type,
search_value))
continue;
- print_tags(dev, show, output_format);
+ print_tags(&ctl, dev);
err = 0;
}
}
free(search_type);
free(search_value);
free_types_list(fltr_type);
- if (!lowprobe && !eval)
+ if (!ctl.lowprobe && !ctl.eval)
blkid_put_cache(cache);
free(devices);
return err;
projects / thirdparty / util-linux.git / blobdiff