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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2022-06-26 22:51:27 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2022-07-08 19:17:35 +0200
commit359d71e90050a8b83f7bc7d2ecd4ff29c477cc22 (patch)
treedf2b7a585b78e6776446d4ca9be62a22db27f0a7 /lib/fstream/compress/bzip2.c
parent2087cc237cd0fe1ed29ebf891648bacb46f4833b (diff)
Cleanup: rename libfstream to libio, split headers
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/fstream/compress/bzip2.c')
-rw-r--r--lib/fstream/compress/bzip2.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/lib/fstream/compress/bzip2.c b/lib/fstream/compress/bzip2.c
deleted file mode 100644
index 7f0c09a..0000000
--- a/lib/fstream/compress/bzip2.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * bzip2.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-#include <bzlib.h>
-
-typedef struct {
- ostream_comp_t base;
-
- bz_stream strm;
-} ostream_bzip2_t;
-
-static int flush_inbuf(ostream_comp_t *base, bool finish)
-{
- ostream_bzip2_t *bzip2 = (ostream_bzip2_t *)base;
- size_t have;
- int ret;
-
- bzip2->strm.next_in = (char *)base->inbuf;
-
- if (base->inbuf_used > sizeof(base->inbuf))
- base->inbuf_used = sizeof(base->inbuf);
-
- if ((sizeof(size_t) > sizeof(unsigned int)) &&
- (base->inbuf_used > (size_t)UINT_MAX)) {
- bzip2->strm.avail_in = UINT_MAX;
- } else {
- bzip2->strm.avail_in = (unsigned int)base->inbuf_used;
- }
-
- for (;;) {
- bzip2->strm.next_out = (char *)base->outbuf;
- bzip2->strm.avail_out = sizeof(base->outbuf);
-
- ret = BZ2_bzCompress(&bzip2->strm, finish ? BZ_FINISH : BZ_RUN);
-
- if (ret < 0 && ret != BZ_OUTBUFF_FULL) {
- fprintf(stderr, "%s: internal error in bzip2 "
- "compressor.\n",
- base->wrapped->get_filename(base->wrapped));
- return -1;
- }
-
- have = sizeof(base->outbuf) - bzip2->strm.avail_out;
-
- if (base->wrapped->append(base->wrapped, base->outbuf, have))
- return -1;
-
- if (ret == BZ_STREAM_END || ret == BZ_OUTBUFF_FULL ||
- bzip2->strm.avail_in == 0) {
- break;
- }
- }
-
- if (bzip2->strm.avail_in > 0) {
- memmove(base->inbuf, bzip2->strm.next_in,
- bzip2->strm.avail_in);
- }
-
- base->inbuf_used = bzip2->strm.avail_in;
- return 0;
-}
-
-static void cleanup(ostream_comp_t *base)
-{
- ostream_bzip2_t *bzip2 = (ostream_bzip2_t *)base;
-
- BZ2_bzCompressEnd(&bzip2->strm);
-}
-
-ostream_comp_t *ostream_bzip2_create(const char *filename)
-{
- ostream_bzip2_t *bzip2 = calloc(1, sizeof(*bzip2));
- ostream_comp_t *base = (ostream_comp_t *)bzip2;
-
- if (bzip2 == NULL) {
- fprintf(stderr, "%s: creating bzip2 compressor: %s.\n",
- filename, strerror(errno));
- return NULL;
- }
-
- if (BZ2_bzCompressInit(&bzip2->strm, 9, 0, 30) != BZ_OK) {
- fprintf(stderr, "%s: error initializing bzip2 compressor.\n",
- filename);
- free(bzip2);
- return NULL;
- }
-
- base->flush_inbuf = flush_inbuf;
- base->cleanup = cleanup;
- return base;
-}