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/*
** Copyright 1998-2003 University of Illinois Board of Trustees
** Copyright 1998-2003 Mark D. Roth
** All rights reserved.
**
** wrapper.c - libtar high-level wrapper code
**
** Mark D. Roth <roth@uiuc.edu>
** Campus Information Technologies and Educational Services
** University of Illinois at Urbana-Champaign
*/
#include <internal.h>
#include <stdio.h>
#include <sys/param.h>
#include <dirent.h>
#include <errno.h>
#ifdef STDC_HEADERS
# include <string.h>
#endif
int
tar_extract_glob
(TAR
*t
, char *globname
, char *prefix
)
{
char *filename
;
char buf
[MAXPATHLEN
];
int i
;
while ((i
= th_read
(t
)) == 0)
{
filename
= th_get_pathname
(t
);
if (fnmatch
(globname
, filename
, FNM_PATHNAME
| FNM_PERIOD
))
{
if (TH_ISREG
(t
) && tar_skip_regfile
(t
))
return -1;
continue;
}
if (t
->options
& TAR_VERBOSE
)
th_print_long_ls
(t
);
if (prefix
!= NULL
)
snprintf(buf
, sizeof(buf
), "%s/%s", prefix
, filename
);
else
strlcpy
(buf
, filename
, sizeof(buf
));
if (tar_extract_file
(t
, filename
) != 0)
return -1;
}
return (i
== 1 ? 0 : -1);
}
int
tar_extract_all
(TAR
*t
, char *prefix
)
{
char *filename
;
char buf
[MAXPATHLEN
];
int i
;
#ifdef DEBUG
printf("==> tar_extract_all(TAR *t, \"%s\")\n",
(prefix
? prefix
: "(null)"));
#endif
while ((i
= th_read
(t
)) == 0)
{
#ifdef DEBUG
puts(" tar_extract_all(): calling th_get_pathname()");
#endif
filename
= th_get_pathname
(t
);
if (t
->options
& TAR_VERBOSE
)
th_print_long_ls
(t
);
if (prefix
!= NULL
)
snprintf(buf
, sizeof(buf
), "%s/%s", prefix
, filename
);
else
strlcpy
(buf
, filename
, sizeof(buf
));
free(filename
);
#ifdef DEBUG
printf(" tar_extract_all(): calling tar_extract_file(t, "
"\"%s\")\n", buf
);
#endif
if (tar_extract_file
(t
, buf
) != 0)
return -1;
}
return (i
== 1 ? 0 : -1);
}
int
tar_append_tree
(TAR
*t
, char *realdir
, char *savedir
)
{
char realpath
[MAXPATHLEN
];
char savepath
[MAXPATHLEN
];
struct dirent
*dent
;
DIR
*dp
;
struct stat s
;
#ifdef DEBUG
printf("==> tar_append_tree(0x%lx, \"%s\", \"%s\")\n",
t
, realdir
, (savedir
? savedir
: "[NULL]"));
#endif
if (tar_append_file
(t
, realdir
, savedir
) != 0)
return -1;
#ifdef DEBUG
puts(" tar_append_tree(): done with tar_append_file()...");
#endif
dp
= opendir
(realdir
);
if (dp
== NULL
)
{
if (errno
== ENOTDIR
)
return 0;
return -1;
}
while ((dent
= readdir
(dp
)) != NULL
)
{
if (strcmp(dent
->d_name
, ".") == 0 ||
strcmp(dent
->d_name
, "..") == 0)
continue;
snprintf(realpath
, MAXPATHLEN
, "%s/%s", realdir
,
dent
->d_name
);
if (savedir
)
snprintf(savepath
, MAXPATHLEN
, "%s/%s", savedir
,
dent
->d_name
);
if (lstat
(realpath
, &s
) != 0)
return -1;
if (S_ISDIR
(s.
st_mode))
{
if (tar_append_tree
(t
, realpath
,
(savedir
? savepath
: NULL
)) != 0)
return -1;
continue;
}
if (tar_append_file
(t
, realpath
,
(savedir
? savepath
: NULL
)) != 0)
return -1;
}
closedir
(dp
);
return 0;
}