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untar in progress

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This commit is contained in:
hyung-hwan 2022-11-30 01:23:53 +09:00
parent c1cb5b5d98
commit 9753ac30dd
5 changed files with 160 additions and 24 deletions
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39
bin/untar.c
View File

@ -6,6 +6,8 @@
int main (int argc, char* argv[])
{
hio_t* hio;
hio_tar_t* untar;
FILE* fp;
if (argc != 2)
{
@ -20,8 +22,43 @@ int main (int argc, char* argv[])
return -1;
}
hio_extract_tar(hio, argv[1]);
untar = hio_tar_open(hio, 0);
if (!untar)
{
fprintf (stderr, "Error: unable to open untar\n");
hio_close (hio);
return -1;
}
fp = fopen(argv[1], "r");
if (!fp)
{
fprintf (stderr, "Error: unable to open file %s\n", argv[1]);
hio_tar_close (hio);
hio_close (hio);
return -1;
}
//hio_extract_tar(hio, argv[1]);
while (!feof(fp) && !ferror(fp))
{
int n;
char buf[99]; /* TODO: use a different buffer size???*/
n = fread(buf, 1, sizeof(buf), fp);
if (n > 0)
{
if (hio_tar_feed(untar, buf, n) <= -1)
{
fprintf (stderr, "Error: untar error - %s\n", hio_geterrbmsg(hio));
break;
}
}
}
hio_tar_feed (untar, HIO_NULL, 0); /* indicate the end of input */
fclose (fp);
hio_tar_close (hio);
hio_close (hio);
return 0;
}

36
lib/err.c
View File

@ -88,11 +88,47 @@ const hio_ooch_t* hio_geterrstr (hio_t* hio)
return hio_errnum_to_errstr(hio->errnum);
}
#if 0
const hio_ooch_t* hio_geterrmsg (hio_t* hio)
{
if (hio->errmsg.len <= 0) return hio_errnum_to_errstr(hio->errnum);
return hio->errmsg.buf;
}
#endif
const hio_bch_t* hio_geterrbmsg (hio_t* hio)
{
#if defined(HIO_OOCH_IS_BCH)
return (hio->errmsg.len <= 0)? hio_errnum_to_errstr(hio->errnum): hio->errmsg.buf;
#else
const hio_ooch_t* msg;
hio_oow_t wcslen, mbslen;
msg = (hio->errmsg.len <= 0)? hio_errnum_to_errstr(hio->errnum): hio->errmsg.buf;
mbslen = HIO_COUNTOF(hio->errmsg.xerrmsg);
hio_conv_ucstr_to_bcstr_with_cmgr (msg, &wcslen, hio->errmsg.xerrmsg, &mbslen, hio_getcmgr(hio));
return hio->errmsg.xerrmsg;
#endif
}
const hio_uch_t* hio_geterrumsg (hio_t* hio)
{
#if defined(HIO_OOCH_IS_BCH)
const hio_ooch_t* msg;
hio_oow_t wcslen, mbslen;
msg = (hio->errmsg.len <= 0)? hio_errnum_to_errstrerrstr(hio->errnum): hio->errmsg.buf;
wcslen = HIO_COUNTOF(hio->errmsg.xerrmsg);
hio_conv_bcstr_to_ucstr_with_cmgr (msg, &mbslen, hio->errmsg.xerrmsg, &wcslen, hio_getcmgr(hio), 1);
return hio->errmsg.xerrmsg;
#else
return (hio->errmsg.len == '\0')? hio_errnum_to_errstr(hio->errnum): hio->errmsg.buf;
#endif
}
void hio_geterrinf (hio_t* hio, hio_errinf_t* info)
{

1
lib/hio-tar.h
View File

@ -92,6 +92,7 @@ struct hio_tar_t
struct
{
hio_uintmax_t filesize;
hio_uintmax_t filemode;
void* fp;
} hi;
};

17
lib/hio.h
View File

@ -698,6 +698,11 @@ struct hio_t
hio_bch_t bch[HIO_ERRMSG_CAPA];
hio_uch_t uch[HIO_ERRMSG_CAPA];
} tmpbuf;
#if defined(HIO_OOCH_IS_BCH)
hio_uch_t xerrmsg[HIO_ERRMSG_CAPA];
#else
hio_bch_t xerrmsg[HIO_ERRMSG_CAPA * 2];
#endif
hio_ooch_t buf[HIO_ERRMSG_CAPA];
hio_oow_t len;
} errmsg;
@ -878,10 +883,20 @@ HIO_EXPORT const hio_ooch_t* hio_geterrstr (
hio_t* hio
);
HIO_EXPORT const hio_ooch_t* hio_geterrmsg (
HIO_EXPORT const hio_uch_t* hio_geterrumsg (
hio_t* hio
);
HIO_EXPORT const hio_bch_t* hio_geterrbmsg (
hio_t* hio
);
#if defined(HIO_OOCH_IS_UCH)
# define hio_geterrmsg hio_geterrumsg
#else
# define hio_geterrmsg hio_geterrbmsg
#endif
HIO_EXPORT void hio_geterrinf (
hio_t* hio,
hio_errinf_t* info

77
lib/tar.c
View File

@ -188,9 +188,6 @@ int hio_extract_tar (hio_t* hio, const hio_bch_t* archive_file)
return n;
}
hio_tar_t* hio_tar_open (hio_t* hio, hio_oow_t xtnsize)
{
hio_tar_t* tar;
@ -223,6 +220,12 @@ int hio_tar_init (hio_tar_t* tar)
void hio_tar_fini (hio_tar_t* tar)
{
if (tar->hi.fp)
{
/* clean up */
fclose (tar->hi.fp);
tar->hi.fp = HIO_NULL;
}
}
static int process_header (hio_tar_t* tar)
@ -233,6 +236,7 @@ static int process_header (hio_tar_t* tar)
HIO_ASSERT (tar->hio, tar->blk.len == HIO_TAR_BLKSIZE);
hdr = (hio_tar_hdr_t*)tar->blk.buf;
printf("process_header...\n");
/* all-zero byte block ends the archive */
if (HIO_MEMCMP(hdr, _end_block, HIO_TAR_BLKSIZE) == 0)
{
@ -247,13 +251,55 @@ static int process_header (hio_tar_t* tar)
/* if (hdr->typeflag) TODO: do different jobs depending on types... */
tar->hi.filesize = hio_bchars_to_uintmax(hdr->size, HIO_COUNTOF(hdr->size), HIO_BCHARS_TO_UINTMAX_MAKE_OPTION(0,0,0,8), &endptr, &is_sober);
//mode = hio_bchars_to_uintmax(hdr->mode, HIO_COUNTOF(hdr->mode), HIO_BCHARS_TO_UINTMAX_MAKE_OPTION(0,0,0,8), &endptr, &is_sober);
tar->hi.filemode = hio_bchars_to_uintmax(hdr->mode, HIO_COUNTOF(hdr->mode), HIO_BCHARS_TO_UINTMAX_MAKE_OPTION(0,0,0,8), &endptr, &is_sober);
if (tar->hi.filesize > 0)
if (tar->hi.fp)
{
/* just in case */
fclose (tar->hi.fp);
tar->hi.fp = HIO_NULL;
}
printf ("file size = %u [%s]\n", (unsigned int)tar->hi.filesize, hdr->name);
switch (hdr->typeflag)
{
case HIO_TAR_LNKTYPE:
printf(" Ignoring hardlink %s\n", hdr->name);
break;
case HIO_TAR_SYMTYPE:
printf(" Ignoring symlink %s\n", hdr->name);
break;
case HIO_TAR_CHRTYPE:
printf(" Ignoring character device %s\n", hdr->name);
break;
case HIO_TAR_BLKTYPE:
printf(" Ignoring block device %s\n", hdr->name);
break;
case HIO_TAR_DIRTYPE:
printf(" Extracting dir %s\n", hdr->name);
#if 0
if (tar->hio.filesize != 0)
{
/* something wrong */
}
#endif
create_dir(hdr->name, tar->hi.filemode);
break;
case HIO_TAR_FIFOTYPE:
printf(" Ignoring FIFO %s\n", hdr->name);
break;
case HIO_TAR_CONTTYPE:
printf(" Ignoring cont %s\n", hdr->name);
break;
default: /* HIO_TAR_REGTYPE */
{
FILE* fp;
tar->state = HIO_TAR_STATE_FILE;
printf(" Extracting file %s\n", hdr->name);
/* open here? */
/*TODO: hdr->prefix + hdr->name */
@ -264,19 +310,18 @@ static int process_header (hio_tar_t* tar)
return -1;
}
fchmod (fileno(fp), tar->hi.filemode);
tar->hi.fp = fp;
}
if (tar->hi.filesize <= 0)
{
if (tar->hi.fp)
{
fclose (tar->hi.fp);
tar->hi.fp = HIO_NULL;
}
tar->state = HIO_TAR_STATE_FILE;
goto done;
}
}
tar->state == HIO_TAR_STATE_START;
}
done:
return 0;
}
@ -288,6 +333,7 @@ static int process_content (hio_tar_t* tar)
HIO_ASSERT (tar->hio, tar->hi.filesize > 0);
printf("process_content...\n");
chunksize = tar->hi.filesize < tar->blk.len? tar->hi.filesize: tar->blk.len;
/* TODO: error check */
@ -320,6 +366,7 @@ int hio_tar_feed (hio_tar_t* tar, const void* ptr, hio_oow_t len)
}
}
printf ("feeding %d\n", len);
while (len > 0)
{
hio_oow_t cplen;