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-rw-r--r--lib/io/compress/bzip2.c96
-rw-r--r--lib/io/compress/gzip.c92
-rw-r--r--lib/io/compress/ostream_compressor.c106
-rw-r--r--lib/io/compress/xz.c80
-rw-r--r--lib/io/compress/zstd.c94
5 files changed, 0 insertions, 468 deletions
diff --git a/lib/io/compress/bzip2.c b/lib/io/compress/bzip2.c
deleted file mode 100644
index 7f0c09a..0000000
--- a/lib/io/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;
-}
diff --git a/lib/io/compress/gzip.c b/lib/io/compress/gzip.c
deleted file mode 100644
index b73a258..0000000
--- a/lib/io/compress/gzip.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * gzip.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-#include <zlib.h>
-
-typedef struct {
- ostream_comp_t base;
-
- z_stream strm;
-} ostream_gzip_t;
-
-static int flush_inbuf(ostream_comp_t *base, bool finish)
-{
- ostream_gzip_t *gzip = (ostream_gzip_t *)base;
- size_t have;
- int ret;
-
- if (base->inbuf_used > sizeof(base->inbuf))
- base->inbuf_used = sizeof(base->inbuf);
-
- if (sizeof(size_t) > sizeof(uInt)) {
- gzip->strm.avail_in = ~((uInt)0);
-
- if ((size_t)gzip->strm.avail_in > base->inbuf_used)
- gzip->strm.avail_in = (uInt)base->inbuf_used;
- } else {
- gzip->strm.avail_in = (uInt)base->inbuf_used;
- }
-
- gzip->strm.next_in = base->inbuf;
-
- do {
- gzip->strm.avail_out = BUFSZ;
- gzip->strm.next_out = base->outbuf;
-
- ret = deflate(&gzip->strm, finish ? Z_FINISH : Z_NO_FLUSH);
-
- if (ret == Z_STREAM_ERROR) {
- fprintf(stderr,
- "%s: internal error in gzip compressor.\n",
- base->wrapped->get_filename(base->wrapped));
- return -1;
- }
-
- have = BUFSZ - gzip->strm.avail_out;
-
- if (base->wrapped->append(base->wrapped, base->outbuf, have))
- return -1;
- } while (gzip->strm.avail_out == 0);
-
- base->inbuf_used = 0;
- return 0;
-}
-
-static void cleanup(ostream_comp_t *base)
-{
- ostream_gzip_t *gzip = (ostream_gzip_t *)base;
-
- deflateEnd(&gzip->strm);
-}
-
-ostream_comp_t *ostream_gzip_create(const char *filename)
-{
- ostream_gzip_t *gzip = calloc(1, sizeof(*gzip));
- ostream_comp_t *base = (ostream_comp_t *)gzip;
- int ret;
-
- if (gzip == NULL) {
- fprintf(stderr, "%s: creating gzip wrapper: %s.\n",
- filename, strerror(errno));
- return NULL;
- }
-
- ret = deflateInit2(&gzip->strm, 9, Z_DEFLATED, 16 + 15, 8,
- Z_DEFAULT_STRATEGY);
- if (ret != Z_OK) {
- fprintf(stderr,
- "%s: internal error creating gzip compressor.\n",
- filename);
- free(gzip);
- return NULL;
- }
-
- base->flush_inbuf = flush_inbuf;
- base->cleanup = cleanup;
- return base;
-}
diff --git a/lib/io/compress/ostream_compressor.c b/lib/io/compress/ostream_compressor.c
deleted file mode 100644
index a5f16d5..0000000
--- a/lib/io/compress/ostream_compressor.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * ostream_compressor.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-static int comp_append(ostream_t *strm, const void *data, size_t size)
-{
- ostream_comp_t *comp = (ostream_comp_t *)strm;
- size_t diff;
-
- while (size > 0) {
- if (comp->inbuf_used >= BUFSZ) {
- if (comp->flush_inbuf(comp, false))
- return -1;
- }
-
- diff = BUFSZ - comp->inbuf_used;
-
- if (diff > size)
- diff = size;
-
- memcpy(comp->inbuf + comp->inbuf_used, data, diff);
-
- comp->inbuf_used += diff;
- data = (const char *)data + diff;
- size -= diff;
- }
-
- return 0;
-}
-
-static int comp_flush(ostream_t *strm)
-{
- ostream_comp_t *comp = (ostream_comp_t *)strm;
-
- if (comp->inbuf_used > 0) {
- if (comp->flush_inbuf(comp, true))
- return -1;
- }
-
- return comp->wrapped->flush(comp->wrapped);
-}
-
-static const char *comp_get_filename(ostream_t *strm)
-{
- ostream_comp_t *comp = (ostream_comp_t *)strm;
-
- return comp->wrapped->get_filename(comp->wrapped);
-}
-
-static void comp_destroy(sqfs_object_t *obj)
-{
- ostream_comp_t *comp = (ostream_comp_t *)obj;
-
- comp->cleanup(comp);
- sqfs_drop(comp->wrapped);
- free(comp);
-}
-
-ostream_t *ostream_compressor_create(ostream_t *strm, int comp_id)
-{
- ostream_comp_t *comp = NULL;
- ostream_t *base;
-
- switch (comp_id) {
- case IO_COMPRESSOR_GZIP:
-#ifdef WITH_GZIP
- comp = ostream_gzip_create(strm->get_filename(strm));
-#endif
- break;
- case IO_COMPRESSOR_XZ:
-#ifdef WITH_XZ
- comp = ostream_xz_create(strm->get_filename(strm));
-#endif
- break;
- case IO_COMPRESSOR_ZSTD:
-#if defined(WITH_ZSTD) && defined(HAVE_ZSTD_STREAM)
- comp = ostream_zstd_create(strm->get_filename(strm));
-#endif
- break;
- case IO_COMPRESSOR_BZIP2:
-#ifdef WITH_BZIP2
- comp = ostream_bzip2_create(strm->get_filename(strm));
-#endif
- break;
- default:
- break;
- }
-
- if (comp == NULL)
- return NULL;
-
- sqfs_object_init(comp, comp_destroy, NULL);
-
- comp->wrapped = sqfs_grab(strm);
- comp->inbuf_used = 0;
-
- base = (ostream_t *)comp;
- base->append = comp_append;
- base->flush = comp_flush;
- base->get_filename = comp_get_filename;
- return base;
-}
diff --git a/lib/io/compress/xz.c b/lib/io/compress/xz.c
deleted file mode 100644
index 65bda0b..0000000
--- a/lib/io/compress/xz.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * xz.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-#include <lzma.h>
-
-typedef struct {
- ostream_comp_t base;
-
- lzma_stream strm;
-} ostream_xz_t;
-
-static int flush_inbuf(ostream_comp_t *base, bool finish)
-{
- ostream_xz_t *xz = (ostream_xz_t *)base;
- lzma_ret ret_xz;
- size_t have;
-
- xz->strm.next_in = base->inbuf;
- xz->strm.avail_in = base->inbuf_used;
-
- do {
- xz->strm.next_out = base->outbuf;
- xz->strm.avail_out = BUFSZ;
-
- ret_xz = lzma_code(&xz->strm, finish ? LZMA_FINISH : LZMA_RUN);
-
- if ((ret_xz != LZMA_OK) && (ret_xz != LZMA_STREAM_END)) {
- fprintf(stderr,
- "%s: internal error in XZ compressor.\n",
- base->wrapped->get_filename(base->wrapped));
- return -1;
- }
-
- have = BUFSZ - xz->strm.avail_out;
-
- if (base->wrapped->append(base->wrapped, base->outbuf, have))
- return -1;
- } while (xz->strm.avail_out == 0);
-
- base->inbuf_used = 0;
- return 0;
-}
-
-static void cleanup(ostream_comp_t *base)
-{
- ostream_xz_t *xz = (ostream_xz_t *)base;
-
- lzma_end(&xz->strm);
-}
-
-ostream_comp_t *ostream_xz_create(const char *filename)
-{
- ostream_xz_t *xz = calloc(1, sizeof(*xz));
- ostream_comp_t *base = (ostream_comp_t *)xz;
- lzma_ret ret_xz;
-
- if (xz == NULL) {
- fprintf(stderr, "%s: creating xz wrapper: %s.\n",
- filename, strerror(errno));
- return NULL;
- }
-
- ret_xz = lzma_easy_encoder(&xz->strm, LZMA_PRESET_DEFAULT,
- LZMA_CHECK_CRC64);
- if (ret_xz != LZMA_OK) {
- fprintf(stderr, "%s: error initializing XZ compressor\n",
- filename);
- free(xz);
- return NULL;
- }
-
- base->flush_inbuf = flush_inbuf;
- base->cleanup = cleanup;
- return base;
-}
diff --git a/lib/io/compress/zstd.c b/lib/io/compress/zstd.c
deleted file mode 100644
index c0b002e..0000000
--- a/lib/io/compress/zstd.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * zstd.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "../internal.h"
-
-#include <zstd.h>
-
-#ifdef HAVE_ZSTD_STREAM
-typedef struct {
- ostream_comp_t base;
-
- ZSTD_CStream *strm;
-} ostream_zstd_t;
-
-static int flush_inbuf(ostream_comp_t *base, bool finish)
-{
- ostream_zstd_t *zstd = (ostream_zstd_t *)base;
- ZSTD_EndDirective op;
- ZSTD_outBuffer out;
- ZSTD_inBuffer in;
- size_t ret;
-
- op = finish ? ZSTD_e_end : ZSTD_e_continue;
-
- do {
- memset(&in, 0, sizeof(in));
- memset(&out, 0, sizeof(out));
-
- in.src = base->inbuf;
- in.size = base->inbuf_used;
-
- out.dst = base->outbuf;
- out.size = BUFSZ;
-
- ret = ZSTD_compressStream2(zstd->strm, &out, &in, op);
-
- if (ZSTD_isError(ret)) {
- fprintf(stderr, "%s: error in zstd compressor.\n",
- base->wrapped->get_filename(base->wrapped));
- return -1;
- }
-
- if (base->wrapped->append(base->wrapped, base->outbuf,
- out.pos)) {
- return -1;
- }
-
- if (in.pos < in.size) {
- base->inbuf_used = in.size - in.pos;
-
- memmove(base->inbuf, base->inbuf + in.pos,
- base->inbuf_used);
- } else {
- base->inbuf_used = 0;
- }
- } while (finish && ret != 0);
-
- return 0;
-}
-
-static void cleanup(ostream_comp_t *base)
-{
- ostream_zstd_t *zstd = (ostream_zstd_t *)base;
-
- ZSTD_freeCStream(zstd->strm);
-}
-
-ostream_comp_t *ostream_zstd_create(const char *filename)
-{
- ostream_zstd_t *zstd = calloc(1, sizeof(*zstd));
- ostream_comp_t *base = (ostream_comp_t *)zstd;
-
- if (zstd == NULL) {
- fprintf(stderr, "%s: creating zstd wrapper: %s.\n",
- filename, strerror(errno));
- return NULL;
- }
-
- zstd->strm = ZSTD_createCStream();
- if (zstd->strm == NULL) {
- fprintf(stderr, "%s: error creating zstd decoder.\n",
- filename);
- free(zstd);
- return NULL;
- }
-
- base->flush_inbuf = flush_inbuf;
- base->cleanup = cleanup;
- return base;
-}
-#endif /* HAVE_ZSTD_STREAM */
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