"tar -[xtvO] "
#endif
#if defined BB_FEATURE_TAR_EXCLUDE
- "[-X File(s)] "
+ "[--exclude File] "
#endif
"[-f tarFile] [FILE(s)] ...\n"
#ifndef BB_FEATURE_TRIVIAL_HELP
"\tf\t\tname of tarfile or \"-\" for stdin\n"
"\tO\t\textract to stdout\n"
#if defined BB_FEATURE_TAR_EXCLUDE
- "\tX\t\tfile(s) to exclude\n"
+ "\texclude\t\tfile to exclude\n"
#endif
"\nInformative output:\n"
"\tv\t\tverbosely list files processed\n"
int createFlag = FALSE;
int verboseFlag = FALSE;
int tostdoutFlag = FALSE;
- int stopIt;
+ int opt;
if (argc <= 1)
usage(tar_usage);
- /* Parse any options */
- while (--argc > 0 && strspn(*(++argv), "-cxt") >0 ) {
- stopIt=FALSE;
- while (stopIt==FALSE && *argv && **argv) {
- switch (**argv) {
- case 'f':
- if (--argc == 0) {
- fatalError( "Option requires an argument: No file specified\n");
- }
- if (*tarName != '-')
- fatalError( "Only one 'f' option allowed\n");
- tarName = *(++argv);
- if (tarName == NULL)
- fatalError( "Option requires an argument: No file specified\n");
- if (!strcmp(tarName, "-") && createFlag == TRUE)
- tostdoutFlag = TRUE;
- stopIt=TRUE;
- break;
-
- case 't':
- if (extractFlag == TRUE || createFlag == TRUE)
+ /* do normal option parsing */
+ while ((opt = getopt(argc, argv, "cxtvOf:-:")) > 0) {
+ switch (opt) {
+ case 'c':
+ if (extractFlag == TRUE || listFlag == TRUE)
goto flagError;
- listFlag = TRUE;
+ createFlag = TRUE;
break;
-
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
- case 'c':
- if (extractFlag == TRUE || listFlag == TRUE)
+ case 't':
+ if (extractFlag == TRUE || createFlag == TRUE)
goto flagError;
- createFlag = TRUE;
+ listFlag = TRUE;
break;
-
case 'v':
verboseFlag = TRUE;
break;
-
case 'O':
tostdoutFlag = TRUE;
tarName = "-";
+ break;
+ case 'f':
+ if (*tarName != '-')
+ fatalError( "Only one 'f' option allowed\n");
+ tarName = optarg;
+ if (!strcmp(tarName, "-") && createFlag == TRUE)
+ tostdoutFlag = TRUE;
break;
case '-':
#if defined BB_FEATURE_TAR_EXCLUDE
- if (strcmp(*argv, "-exclude")==0) {
- if (--argc == 0) {
- fatalError( "Option requires an argument: No file specified\n");
- }
+ if (strcmp(optarg, "exclude")==0) {
+ if (argv[optind]==NULL)
+ fatalError( "option `--exclude' requires an argument\n");
excludeList=realloc( excludeList, sizeof(char**) * (excludeListSize+2));
- excludeList[excludeListSize] = *(++argv);
+ excludeList[excludeListSize] = argv[optind];
/* Remove leading "/"s */
if (*excludeList[excludeListSize] =='/') {
excludeList[excludeListSize] = (excludeList[excludeListSize])+1;
}
- if (excludeList[excludeListSize++] == NULL)
- fatalError( "Option requires an argument: No file specified\n");
/* Tack a NULL onto the end of the list */
excludeList[excludeListSize] = NULL;
- stopIt=TRUE;
+ optind++;
break;
}
#endif
- if (strcmp(*argv, "-help")==0) {
- usage(tar_usage);
- }
- break;
-
+ fatalError( "Unknown tar flag '%s'\n"
+ "Try `tar --help' for more information\n", optarg);
default:
fatalError( "Unknown tar flag '%c'\n"
"Try `tar --help' for more information\n", **argv);
- }
- ++(*argv);
}
}
#ifndef BB_FEATURE_TAR_CREATE
fatalError( "This version of tar was not compiled with tar creation support.\n");
#else
- exit(writeTarFile(tarName, tostdoutFlag, verboseFlag, argc, argv, excludeList));
+ exit(writeTarFile(tarName, tostdoutFlag, verboseFlag, argc-optind, &argv[optind], excludeList));
#endif
}
if (listFlag == TRUE || extractFlag == TRUE) {
}
}
/* List contents if we are supposed to do that */
- if (verboseFlag == TRUE || listFlag == TRUE) {
+ if (verboseFlag == TRUE && listFlag != TRUE) {
/* Now the normal listing */
- printf("%s", header.name);
+ FILE *vbFd = stdout;
+ if (tostdoutFlag == TRUE) // If the archive goes to stdout, verbose to stderr
+ vbFd = stderr;
+ fprintf(vbFd, "%s\n", header.name);
}
+
if (verboseFlag == TRUE && listFlag == TRUE) {
- /* If this is a link, say so */
- if (header.type==LNKTYPE)
+ printf("%s", header.name);
+ if (header.type==LNKTYPE) /* If this is a link, say so */
printf(" link to %s", header.linkname);
else if (header.type==SYMTYPE)
printf(" -> %s", header.linkname);
- }
- if (verboseFlag == TRUE || listFlag == TRUE) {
printf("\n");
}
#endif
const unsigned char *cp = (const unsigned char *) &header;
ssize_t size = sizeof(struct TarHeader);
-
+
memset( &header, 0, size);
if (*fileName=='/') {
write(tbInfo->tarFd, "\0", 1);
}
/* Now do the verbose thing (or not) */
- if (tbInfo->verboseFlag==TRUE)
- fprintf(stdout, "%s\n", header.name);
+ if (tbInfo->verboseFlag==TRUE) {
+ FILE *vbFd = stdout;
+ if (tbInfo->tarFd == fileno(stdout)) // If the archive goes to stdout, verbose to stderr
+ vbFd = stderr;
+ fprintf(vbFd, "%s\n", header.name);
+ }
return ( TRUE);
}
f name of tarfile or "-" for stdin
O extract to stdout
- --exclude file to exclude
+ exclude file to exclude
Informative output:
=cut
-# $Id: busybox.pod,v 1.59 2000/07/21 21:32:12 andersen Exp $
+# $Id: busybox.pod,v 1.60 2000/08/02 18:48:25 andersen Exp $
<para>
<screen>
- f FILE Use FILE for tarfile (or stdin if '-')
- O Extract to stdout
- --exclude FILE Exclude FILE
- v List files processed
+ f FILE Use FILE for tarfile (or stdin if '-')
+ O Extract to stdout
+ exclude FILE File to exclude
+ v List files processed
</screen>
</para>
*
* 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's
* mount to add loop support.
+ *
+ * 2000-04-30 Dave Cinege <dcinege@psychosis.com>
+ * Rewrote fstab while loop and lower mount section. Can now do
+ * single mounts from fstab. Can override fstab options for single
+ * mount. Common mount_one call for single mounts and 'all'. Fixed
+ * mtab updating and stale entries. Removed 'remount' default.
+ *
*/
#include "internal.h"
#if defined BB_MTAB
if (useMtab == TRUE) {
+ erase_mtab(specialfile); // Clean any stale entries
write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts);
}
#endif
int fakeIt = FALSE;
int useMtab = TRUE;
int i;
+ int rc = FALSE;
+ int fstabmount = FALSE;
#if defined BB_FEATURE_USE_DEVPS_PATCH
if (argc == 1) {
argv++;
}
- if (all == TRUE) {
+ if (all == TRUE || directory == NULL) {
struct mntent *m;
FILE *f = setmntent("/etc/fstab", "r");
+ fstabmount = TRUE;
if (f == NULL)
fatalError( "\nCannot read /etc/fstab: %s\n", strerror (errno));
while ((m = getmntent(f)) != NULL) {
- // If the filesystem isn't noauto,
- // and isn't swap or nfs, then mount it
- if ((!strstr(m->mnt_opts, "noauto")) &&
- (!strstr(m->mnt_type, "swap")) &&
- (!strstr(m->mnt_type, "nfs"))) {
+ if (all == FALSE && directory == NULL && (
+ (strcmp(device, m->mnt_fsname) != 0) &&
+ (strcmp(device, m->mnt_dir) != 0) ) ) {
+ continue;
+ }
+
+ if (all == TRUE && ( // If we're mounting 'all'
+ (strstr(m->mnt_opts, "noauto")) || // and the file system isn't noauto,
+ (strstr(m->mnt_type, "swap")) || // and isn't swap or nfs, then mount it
+ (strstr(m->mnt_type, "nfs")) ) ) {
+ continue;
+ }
+
+ if (all == TRUE || flags == 0) { // Allow single mount to override fstab flags
flags = 0;
*string_flags = '\0';
parse_mount_options(m->mnt_opts, &flags, string_flags);
- if (mount_one(m->mnt_fsname, m->mnt_dir, m->mnt_type,
- flags, string_flags, useMtab, fakeIt,
- extra_opts, FALSE)==FALSE)
- {
- /* Try again, but this time try a remount */
- mount_one(m->mnt_fsname, m->mnt_dir, m->mnt_type,
- flags|MS_REMOUNT, string_flags, useMtab, fakeIt,
- extra_opts, TRUE);
- }
}
- }
- endmntent(f);
- } else {
- if (device && directory) {
+
+ device = strdup(m->mnt_fsname);
+ directory = strdup(m->mnt_dir);
+ filesystemType = strdup(m->mnt_type);
+singlemount:
#ifdef BB_NFSMOUNT
if (strchr(device, ':') != NULL)
filesystemType = "nfs";
if (strcmp(filesystemType, "nfs") == 0) {
- int ret;
- ret = nfsmount (device, directory, &flags,
- &extra_opts, &string_flags, 1);
- if (ret != 0)
- fatalError("nfsmount failed: %s\n", strerror(errno));
- }
+ rc = nfsmount (device, directory, &flags, &extra_opts, &string_flags, 1)
+ if ( rc != 0) {
+ fatalError("nfsmount failed: %s\n", strerror(errno));
+ rc = FALSE;
+ }
+ } else
#endif
- exit(mount_one(device, directory, filesystemType,
- flags, string_flags, useMtab, fakeIt,
- extra_opts, TRUE));
- } else {
- goto goodbye;
+ rc = mount_one(device, directory, filesystemType, flags,
+ string_flags, useMtab, fakeIt, extra_opts, TRUE);
+
+ if (all == FALSE)
+ break;
+
+ rc = TRUE; // Always return 0 for 'all'
}
+ if (fstabmount == TRUE)
+ endmntent(f);
+
+ if (all == FALSE && fstabmount == TRUE && directory == NULL)
+ fprintf(stderr, "Can't find %s in /etc/fstab\n", device);
+
+ exit(rc);
}
- exit(TRUE);
+
+ goto singlemount;
+
+ exit(FALSE);
- goodbye:
+goodbye:
usage(mount_usage);
}
int createFlag = FALSE;
int verboseFlag = FALSE;
int tostdoutFlag = FALSE;
- int stopIt;
+ int opt;
if (argc <= 1)
usage(tar_usage);
- /* Parse any options */
- while (--argc > 0 && strspn(*(++argv), "-cxt") >0 ) {
- stopIt=FALSE;
- while (stopIt==FALSE && *argv && **argv) {
- switch (**argv) {
- case 'f':
- if (--argc == 0) {
- fatalError( "Option requires an argument: No file specified\n");
- }
- if (*tarName != '-')
- fatalError( "Only one 'f' option allowed\n");
- tarName = *(++argv);
- if (tarName == NULL)
- fatalError( "Option requires an argument: No file specified\n");
- if (!strcmp(tarName, "-") && createFlag == TRUE)
- tostdoutFlag = TRUE;
- stopIt=TRUE;
- break;
-
- case 't':
- if (extractFlag == TRUE || createFlag == TRUE)
+ /* do normal option parsing */
+ while ((opt = getopt(argc, argv, "cxtvOf:-:")) > 0) {
+ switch (opt) {
+ case 'c':
+ if (extractFlag == TRUE || listFlag == TRUE)
goto flagError;
- listFlag = TRUE;
+ createFlag = TRUE;
break;
-
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
- case 'c':
- if (extractFlag == TRUE || listFlag == TRUE)
+ case 't':
+ if (extractFlag == TRUE || createFlag == TRUE)
goto flagError;
- createFlag = TRUE;
+ listFlag = TRUE;
break;
-
case 'v':
verboseFlag = TRUE;
break;
-
case 'O':
tostdoutFlag = TRUE;
tarName = "-";
+ break;
+ case 'f':
+ if (*tarName != '-')
+ fatalError( "Only one 'f' option allowed\n");
+ tarName = optarg;
+ if (!strcmp(tarName, "-") && createFlag == TRUE)
+ tostdoutFlag = TRUE;
break;
case '-':
#if defined BB_FEATURE_TAR_EXCLUDE
- if (strcmp(*argv, "-exclude")==0) {
- if (--argc == 0) {
- fatalError( "Option requires an argument: No file specified\n");
- }
+ if (strcmp(optarg, "exclude")==0) {
+ if (argv[optind]==NULL)
+ fatalError( "option `--exclude' requires an argument\n");
excludeList=realloc( excludeList, sizeof(char**) * (excludeListSize+2));
- excludeList[excludeListSize] = *(++argv);
+ excludeList[excludeListSize] = argv[optind];
/* Remove leading "/"s */
if (*excludeList[excludeListSize] =='/') {
excludeList[excludeListSize] = (excludeList[excludeListSize])+1;
}
- if (excludeList[excludeListSize++] == NULL)
- fatalError( "Option requires an argument: No file specified\n");
/* Tack a NULL onto the end of the list */
excludeList[excludeListSize] = NULL;
- stopIt=TRUE;
+ optind++;
break;
}
#endif
- if (strcmp(*argv, "-help")==0) {
- usage(tar_usage);
- }
- break;
-
+ fatalError( "Unknown tar flag '%s'\n"
+ "Try `tar --help' for more information\n", optarg);
default:
fatalError( "Unknown tar flag '%c'\n"
"Try `tar --help' for more information\n", **argv);
- }
- ++(*argv);
}
}
#ifndef BB_FEATURE_TAR_CREATE
fatalError( "This version of tar was not compiled with tar creation support.\n");
#else
- exit(writeTarFile(tarName, tostdoutFlag, verboseFlag, argc, argv, excludeList));
+ exit(writeTarFile(tarName, tostdoutFlag, verboseFlag, argc-optind, &argv[optind], excludeList));
#endif
}
if (listFlag == TRUE || extractFlag == TRUE) {
}
}
/* List contents if we are supposed to do that */
- if (verboseFlag == TRUE || listFlag == TRUE) {
+ if (verboseFlag == TRUE && listFlag != TRUE) {
/* Now the normal listing */
- printf("%s", header.name);
+ FILE *vbFd = stdout;
+ if (tostdoutFlag == TRUE) // If the archive goes to stdout, verbose to stderr
+ vbFd = stderr;
+ fprintf(vbFd, "%s\n", header.name);
}
+
if (verboseFlag == TRUE && listFlag == TRUE) {
- /* If this is a link, say so */
- if (header.type==LNKTYPE)
+ printf("%s", header.name);
+ if (header.type==LNKTYPE) /* If this is a link, say so */
printf(" link to %s", header.linkname);
else if (header.type==SYMTYPE)
printf(" -> %s", header.linkname);
- }
- if (verboseFlag == TRUE || listFlag == TRUE) {
printf("\n");
}
#endif
const unsigned char *cp = (const unsigned char *) &header;
ssize_t size = sizeof(struct TarHeader);
-
+
memset( &header, 0, size);
if (*fileName=='/') {
write(tbInfo->tarFd, "\0", 1);
}
/* Now do the verbose thing (or not) */
- if (tbInfo->verboseFlag==TRUE)
- fprintf(stdout, "%s\n", header.name);
+ if (tbInfo->verboseFlag==TRUE) {
+ FILE *vbFd = stdout;
+ if (tbInfo->tarFd == fileno(stdout)) // If the archive goes to stdout, verbose to stderr
+ vbFd = stderr;
+ fprintf(vbFd, "%s\n", header.name);
+ }
return ( TRUE);
}
"tar -[xtvO] "
#endif
#if defined BB_FEATURE_TAR_EXCLUDE
- "[-X File(s)] "
+ "[--exclude File] "
#endif
"[-f tarFile] [FILE(s)] ...\n"
#ifndef BB_FEATURE_TRIVIAL_HELP
"\tf\t\tname of tarfile or \"-\" for stdin\n"
"\tO\t\textract to stdout\n"
#if defined BB_FEATURE_TAR_EXCLUDE
- "\tX\t\tfile(s) to exclude\n"
+ "\texclude\t\tfile to exclude\n"
#endif
"\nInformative output:\n"
"\tv\t\tverbosely list files processed\n"
*
* 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's
* mount to add loop support.
+ *
+ * 2000-04-30 Dave Cinege <dcinege@psychosis.com>
+ * Rewrote fstab while loop and lower mount section. Can now do
+ * single mounts from fstab. Can override fstab options for single
+ * mount. Common mount_one call for single mounts and 'all'. Fixed
+ * mtab updating and stale entries. Removed 'remount' default.
+ *
*/
#include "internal.h"
#if defined BB_MTAB
if (useMtab == TRUE) {
+ erase_mtab(specialfile); // Clean any stale entries
write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts);
}
#endif
int fakeIt = FALSE;
int useMtab = TRUE;
int i;
+ int rc = FALSE;
+ int fstabmount = FALSE;
#if defined BB_FEATURE_USE_DEVPS_PATCH
if (argc == 1) {
argv++;
}
- if (all == TRUE) {
+ if (all == TRUE || directory == NULL) {
struct mntent *m;
FILE *f = setmntent("/etc/fstab", "r");
+ fstabmount = TRUE;
if (f == NULL)
fatalError( "\nCannot read /etc/fstab: %s\n", strerror (errno));
while ((m = getmntent(f)) != NULL) {
- // If the filesystem isn't noauto,
- // and isn't swap or nfs, then mount it
- if ((!strstr(m->mnt_opts, "noauto")) &&
- (!strstr(m->mnt_type, "swap")) &&
- (!strstr(m->mnt_type, "nfs"))) {
+ if (all == FALSE && directory == NULL && (
+ (strcmp(device, m->mnt_fsname) != 0) &&
+ (strcmp(device, m->mnt_dir) != 0) ) ) {
+ continue;
+ }
+
+ if (all == TRUE && ( // If we're mounting 'all'
+ (strstr(m->mnt_opts, "noauto")) || // and the file system isn't noauto,
+ (strstr(m->mnt_type, "swap")) || // and isn't swap or nfs, then mount it
+ (strstr(m->mnt_type, "nfs")) ) ) {
+ continue;
+ }
+
+ if (all == TRUE || flags == 0) { // Allow single mount to override fstab flags
flags = 0;
*string_flags = '\0';
parse_mount_options(m->mnt_opts, &flags, string_flags);
- if (mount_one(m->mnt_fsname, m->mnt_dir, m->mnt_type,
- flags, string_flags, useMtab, fakeIt,
- extra_opts, FALSE)==FALSE)
- {
- /* Try again, but this time try a remount */
- mount_one(m->mnt_fsname, m->mnt_dir, m->mnt_type,
- flags|MS_REMOUNT, string_flags, useMtab, fakeIt,
- extra_opts, TRUE);
- }
}
- }
- endmntent(f);
- } else {
- if (device && directory) {
+
+ device = strdup(m->mnt_fsname);
+ directory = strdup(m->mnt_dir);
+ filesystemType = strdup(m->mnt_type);
+singlemount:
#ifdef BB_NFSMOUNT
if (strchr(device, ':') != NULL)
filesystemType = "nfs";
if (strcmp(filesystemType, "nfs") == 0) {
- int ret;
- ret = nfsmount (device, directory, &flags,
- &extra_opts, &string_flags, 1);
- if (ret != 0)
- fatalError("nfsmount failed: %s\n", strerror(errno));
- }
+ rc = nfsmount (device, directory, &flags, &extra_opts, &string_flags, 1)
+ if ( rc != 0) {
+ fatalError("nfsmount failed: %s\n", strerror(errno));
+ rc = FALSE;
+ }
+ } else
#endif
- exit(mount_one(device, directory, filesystemType,
- flags, string_flags, useMtab, fakeIt,
- extra_opts, TRUE));
- } else {
- goto goodbye;
+ rc = mount_one(device, directory, filesystemType, flags,
+ string_flags, useMtab, fakeIt, extra_opts, TRUE);
+
+ if (all == FALSE)
+ break;
+
+ rc = TRUE; // Always return 0 for 'all'
}
+ if (fstabmount == TRUE)
+ endmntent(f);
+
+ if (all == FALSE && fstabmount == TRUE && directory == NULL)
+ fprintf(stderr, "Can't find %s in /etc/fstab\n", device);
+
+ exit(rc);
}
- exit(TRUE);
+
+ goto singlemount;
+
+ exit(FALSE);
- goodbye:
+goodbye:
usage(mount_usage);
}
#if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
-# if defined BB_FEATURE_USE_PROCFS
-const char mtab_file[] = "/proc/mounts";
-# else
-# if defined BB_MTAB
+# if defined BB_MTAB
const char mtab_file[] = "/etc/mtab";
+# else
+# if defined BB_FEATURE_USE_PROCFS
+const char mtab_file[] = "/proc/mounts";
# else
# if defined BB_FEATURE_USE_DEVPS_PATCH
const char mtab_file[] = "/dev/mtab";
projects / oweals / busybox.git / commitdiff