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Merge in two patches from Dave Cinege:

Browse Source 
the first is a cleanup of tar --exclude
    the second changes mount so mtab works more as it should, and
    also allows mount to use the traditional short form (i.e.
    'mount / -o remount,rw' now works.

While inside tar, I changed it to use getopt...
 -Erik
This commit is contained in:
Eric Andersen 2000-08-02 18:48:26 +00:00
parent 5ae166813f
commit fdd5103348
9 changed files with 218 additions and 198 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
applets/usage.c
View File

@ -1053,7 +1053,7 @@ const char tar_usage[] =
"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
@ -1069,7 +1069,7 @@ const char tar_usage[] =
"\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"

102
archival/tar.c
View File

@ -148,85 +148,65 @@ extern int tar_main(int argc, char **argv)
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)
goto flagError;
listFlag = TRUE;
break;
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "cxtvOf:-:")) > 0) {
switch (opt) {
case 'c':
if (extractFlag == TRUE || listFlag == TRUE)
goto flagError;
createFlag = TRUE;
break;
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
case 't':
if (extractFlag == TRUE || createFlag == TRUE)
goto flagError;
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);
}
}
@ -238,7 +218,7 @@ extern int tar_main(int argc, char **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) {
@ -603,18 +583,20 @@ static int readTarFile(const char* tarName, int extractFlag, int listFlag,
}
}
/* 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");
}
@ -745,7 +727,7 @@ writeTarHeader(struct TarBallInfo *tbInfo, const char *fileName, struct stat *st
#endif
const unsigned char *cp = (const unsigned char *) &header;
ssize_t size = sizeof(struct TarHeader);
memset( &header, 0, size);
if (*fileName=='/') {
@ -848,8 +830,12 @@ writeTarHeader(struct TarBallInfo *tbInfo, const char *fileName, struct stat *st
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);
}

4
docs/busybox.pod
View File

@ -1634,7 +1634,7 @@ File selection:
f name of tarfile or "-" for stdin
O extract to stdout
--exclude file to exclude
exclude file to exclude
Informative output:
@ -2044,4 +2044,4 @@ Enrique Zanardi <ezanardi@ull.es>
=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 $

8
docs/busybox.sgml
View File

@ -2901,10 +2901,10 @@
<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>

92
mount.c
View File

@ -34,6 +34,13 @@
*
* 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"
@ -147,6 +154,7 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
#if defined BB_MTAB
if (useMtab == TRUE) {
erase_mtab(specialfile); // Clean any stale entries
write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts);
}
#endif
@ -318,6 +326,8 @@ extern int mount_main(int argc, char **argv)
int fakeIt = FALSE;
int useMtab = TRUE;
int i;
int rc = FALSE;
int fstabmount = FALSE;
#if defined BB_FEATURE_USE_DEVPS_PATCH
if (argc == 1) {
@ -435,56 +445,70 @@ extern int mount_main(int argc, char **argv)
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;
}
}
exit(TRUE);
rc = mount_one(device, directory, filesystemType, flags,
string_flags, useMtab, fakeIt, extra_opts, TRUE);
if (all == FALSE)
break;
goodbye:
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);
}
goto singlemount;
exit(FALSE);
goodbye:
usage(mount_usage);
}

102
tar.c
View File

@ -148,85 +148,65 @@ extern int tar_main(int argc, char **argv)
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)
goto flagError;
listFlag = TRUE;
break;
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "cxtvOf:-:")) > 0) {
switch (opt) {
case 'c':
if (extractFlag == TRUE || listFlag == TRUE)
goto flagError;
createFlag = TRUE;
break;
case 'x':
if (listFlag == TRUE || createFlag == TRUE)
goto flagError;
extractFlag = TRUE;
break;
case 't':
if (extractFlag == TRUE || createFlag == TRUE)
goto flagError;
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);
}
}
@ -238,7 +218,7 @@ extern int tar_main(int argc, char **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) {
@ -603,18 +583,20 @@ static int readTarFile(const char* tarName, int extractFlag, int listFlag,
}
}
/* 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");
}
@ -745,7 +727,7 @@ writeTarHeader(struct TarBallInfo *tbInfo, const char *fileName, struct stat *st
#endif
const unsigned char *cp = (const unsigned char *) &header;
ssize_t size = sizeof(struct TarHeader);
memset( &header, 0, size);
if (*fileName=='/') {
@ -848,8 +830,12 @@ writeTarHeader(struct TarBallInfo *tbInfo, const char *fileName, struct stat *st
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);
}

4
usage.c
View File

@ -1053,7 +1053,7 @@ const char tar_usage[] =
"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
@ -1069,7 +1069,7 @@ const char tar_usage[] =
"\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"

92
util-linux/mount.c
View File

@ -34,6 +34,13 @@
*
* 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"
@ -147,6 +154,7 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
#if defined BB_MTAB
if (useMtab == TRUE) {
erase_mtab(specialfile); // Clean any stale entries
write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts);
}
#endif
@ -318,6 +326,8 @@ extern int mount_main(int argc, char **argv)
int fakeIt = FALSE;
int useMtab = TRUE;
int i;
int rc = FALSE;
int fstabmount = FALSE;
#if defined BB_FEATURE_USE_DEVPS_PATCH
if (argc == 1) {
@ -435,56 +445,70 @@ extern int mount_main(int argc, char **argv)
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;
}
}
exit(TRUE);
rc = mount_one(device, directory, filesystemType, flags,
string_flags, useMtab, fakeIt, extra_opts, TRUE);
if (all == FALSE)
break;
goodbye:
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);
}
goto singlemount;
exit(FALSE);
goodbye:
usage(mount_usage);
}

8
utility.c
View File

@ -68,11 +68,11 @@
#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";