From 359d71e90050a8b83f7bc7d2ecd4ff29c477cc22 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 26 Jun 2022 22:51:27 +0200 Subject: Cleanup: rename libfstream to libio, split headers Signed-off-by: David Oberhollenzer --- lib/fstream/compress/bzip2.c | 96 -------------------------------------------- 1 file changed, 96 deletions(-) delete mode 100644 lib/fstream/compress/bzip2.c (limited to 'lib/fstream/compress/bzip2.c') 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 - */ -#include "../internal.h" - -#include - -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; -} -- cgit v1.2.3