diff options
Diffstat (limited to 'Utilities/cmtar/encode.c')
| -rw-r--r-- | Utilities/cmtar/encode.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/Utilities/cmtar/encode.c b/Utilities/cmtar/encode.c deleted file mode 100644 index 40b5707..0000000 --- a/Utilities/cmtar/encode.c +++ /dev/null @@ -1,231 +0,0 @@ -/* -** Copyright 1998-2003 University of Illinois Board of Trustees -** Copyright 1998-2003 Mark D. Roth -** All rights reserved. -** -** encode.c - libtar code to encode tar header blocks -** -** Mark D. Roth <roth@uiuc.edu> -** Campus Information Technologies and Educational Services -** University of Illinois at Urbana-Champaign -*/ - -#include <libtarint/internal.h> - -#include <stdio.h> -#ifndef WIN32 -#include <pwd.h> -#include <grp.h> -#endif -#include <sys/types.h> - -#ifdef STDC_HEADERS -# include <string.h> -# include <stdlib.h> -#endif - - -/* magic, version, and checksum */ -void -th_finish(TAR *t) -{ - int i, sum = 0; - - if (t->options & TAR_GNU) - strncpy(t->th_buf.magic, "ustar ", 8); - else - { - strncpy(t->th_buf.version, TVERSION, TVERSLEN); - strncpy(t->th_buf.magic, TMAGIC, TMAGLEN); - } - - for (i = 0; i < T_BLOCKSIZE; i++) - sum += ((char *)(&(t->th_buf)))[i]; - for (i = 0; i < 8; i++) - sum += (' ' - t->th_buf.chksum[i]); - int_to_oct(sum, t->th_buf.chksum, 8); -} - - -/* map a file mode to a typeflag */ -void -th_set_type(TAR *t, mode_t mode) -{ -#ifdef S_ISLNK - if (S_ISLNK(mode)) - t->th_buf.typeflag = SYMTYPE; -#endif - if (S_ISREG(mode)) - t->th_buf.typeflag = REGTYPE; - if (S_ISDIR(mode)) - t->th_buf.typeflag = DIRTYPE; -#ifdef S_ISCHR - if (S_ISCHR(mode)) - t->th_buf.typeflag = CHRTYPE; -#endif - if (S_ISBLK(mode)) - t->th_buf.typeflag = BLKTYPE; - if (S_ISFIFO(mode) -#ifdef S_ISSOCK - || S_ISSOCK(mode)) -#else - ) -#endif - t->th_buf.typeflag = FIFOTYPE; -} - - -/* encode file path */ -void -th_set_path(TAR *t, char *pathname) -{ - char suffix[2] = ""; - char *tmp; - -#ifdef DEBUG - printf("in th_set_path(th, pathname=\"%s\")\n", pathname); -#endif - - if (t->th_buf.gnu_longname != NULL) - free(t->th_buf.gnu_longname); - t->th_buf.gnu_longname = NULL; - - if (pathname[strlen(pathname) - 1] != '/' && TH_ISDIR(t)) - strcpy(suffix, "/"); - - if (strlen(pathname)+strlen(suffix) >= T_NAMELEN && (t->options & TAR_GNU)) - { - /* GNU-style long name */ - t->th_buf.gnu_longname = strdup(pathname); - strncpy(t->th_buf.name, t->th_buf.gnu_longname, T_NAMELEN); - } - else if (strlen(pathname)+ strlen(suffix) >= T_NAMELEN) - { - /* POSIX-style prefix field */ - tmp = strrchr(pathname, '/'); - if (tmp == NULL) - { - printf("!!! '/' not found in \"%s\"\n", pathname); - return; - } - snprintf(t->th_buf.name, 100, "%s%s", &(tmp[1]), suffix); - snprintf(t->th_buf.prefix, - ((tmp - pathname + 1) < - 155 ? (tmp - pathname + 1) : 155), "%s", pathname); - } - else - /* classic tar format */ - snprintf(t->th_buf.name, 100, "%s%s", pathname, suffix); - -#ifdef DEBUG - puts("returning from th_set_path()..."); -#endif -} - - -/* encode link path */ -void -th_set_link(TAR *t, char *linkname) -{ -#ifdef DEBUG - printf("==> th_set_link(th, linkname=\"%s\")\n", linkname); -#endif - - if (strlen(linkname) > T_NAMELEN && (t->options & TAR_GNU)) - { - /* GNU longlink format */ - t->th_buf.gnu_longlink = strdup(linkname); - strcpy(t->th_buf.linkname, "././@LongLink"); - } - else - { - /* classic tar format */ - strlcpy(t->th_buf.linkname, linkname, - sizeof(t->th_buf.linkname)); - if (t->th_buf.gnu_longlink != NULL) - free(t->th_buf.gnu_longlink); - t->th_buf.gnu_longlink = NULL; - } -} - - -/* encode device info */ -void -th_set_device(TAR *t, dev_t device) -{ -#ifdef DEBUG - printf("th_set_device(): major = %d, minor = %d\n", - major(device), minor(device)); -#endif - int_to_oct(major(device), t->th_buf.devmajor, 8); - int_to_oct(minor(device), t->th_buf.devminor, 8); -} - - -/* encode user info */ -void -th_set_user(TAR *t, uid_t uid) -{ -#ifndef WIN32 - struct passwd *pw; - - pw = getpwuid(uid); - if (pw != NULL) - strlcpy(t->th_buf.uname, pw->pw_name, sizeof(t->th_buf.uname)); -#endif - int_to_oct(uid, t->th_buf.uid, 8); -} - - -/* encode group info */ -void -th_set_group(TAR *t, gid_t gid) -{ -#ifndef WIN32 - struct group *gr; - - gr = getgrgid(gid); - if (gr != NULL) - strlcpy(t->th_buf.gname, gr->gr_name, sizeof(t->th_buf.gname)); -#endif - int_to_oct(gid, t->th_buf.gid, 8); -} - - -/* encode file mode */ -void -th_set_mode(TAR *t, mode_t fmode) -{ -#ifndef WIN32 -#ifndef __BEOS__ - if (S_ISSOCK(fmode)) - { - fmode &= ~S_IFSOCK; - fmode |= S_IFIFO; - } -#endif -#endif - /* Looks like on windows the st_mode is longer than 8 characters. */ - int_to_oct(fmode & 07777777, (t)->th_buf.mode, 8); -} - - -void -th_set_from_stat(TAR *t, struct stat *s) -{ - th_set_type(t, s->st_mode); -#ifndef WIN32 - if (S_ISCHR(s->st_mode) || S_ISBLK(s->st_mode)) - th_set_device(t, s->st_rdev); -#endif - th_set_user(t, s->st_uid); - th_set_group(t, s->st_gid); - th_set_mode(t, s->st_mode); - th_set_mtime(t, s->st_mtime); - if (S_ISREG(s->st_mode)) - th_set_size(t, s->st_size); - else - th_set_size(t, 0); -} - - |