Merge libcompress.a into libsquashfs.a

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 0 insertions, 183 deletions

diff --git a/lib/comp/compressor.c b/lib/comp/compressor.c
deleted file mode 100644
index e59d948..0000000
--- a/lib/comp/compressor.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * compressor.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "internal.h"
-#include "util.h"
-
-typedef compressor_t *(*compressor_fun_t)(bool compress, size_t block_size,
-					  char *options);
-
-typedef void (*compressor_help_fun_t)(void);
-
-static compressor_fun_t compressors[SQFS_COMP_MAX + 1] = {
-#ifdef WITH_GZIP
-	[SQFS_COMP_GZIP] = create_gzip_compressor,
-#endif
-#ifdef WITH_XZ
-	[SQFS_COMP_XZ] = create_xz_compressor,
-#endif
-#ifdef WITH_LZO
-	[SQFS_COMP_LZO] = create_lzo_compressor,
-#endif
-#ifdef WITH_LZ4
-	[SQFS_COMP_LZ4] = create_lz4_compressor,
-#endif
-#ifdef WITH_ZSTD
-	[SQFS_COMP_ZSTD] = create_zstd_compressor,
-#endif
-};
-
-static const compressor_help_fun_t helpfuns[SQFS_COMP_MAX + 1] = {
-#ifdef WITH_GZIP
-	[SQFS_COMP_GZIP] = compressor_gzip_print_help,
-#endif
-#ifdef WITH_XZ
-	[SQFS_COMP_XZ] = compressor_xz_print_help,
-#endif
-#ifdef WITH_LZO
-	[SQFS_COMP_LZO] = compressor_lzo_print_help,
-#endif
-#ifdef WITH_LZ4
-	[SQFS_COMP_LZ4] = compressor_lz4_print_help,
-#endif
-#ifdef WITH_ZSTD
-	[SQFS_COMP_ZSTD] = compressor_zstd_print_help,
-#endif
-};
-
-static const char *names[] = {
-	[SQFS_COMP_GZIP] = "gzip",
-	[SQFS_COMP_LZMA] = "lzma",
-	[SQFS_COMP_LZO] = "lzo",
-	[SQFS_COMP_XZ] = "xz",
-	[SQFS_COMP_LZ4] = "lz4",
-	[SQFS_COMP_ZSTD] = "zstd",
-};
-
-int generic_write_options(int fd, const void *data, size_t size)
-{
-	uint8_t buffer[size + 2];
-
-	*((uint16_t *)buffer) = htole16(0x8000 | size);
-	memcpy(buffer + 2, data, size);
-
-	if (write_data("writing compressor options",
-		       fd, buffer, sizeof(buffer))) {
-		return -1;
-	}
-
-	return sizeof(buffer);
-}
-
-int generic_read_options(int fd, void *data, size_t size)
-{
-	uint8_t buffer[size + 2];
-
-	if (read_data_at("reading compressor options", sizeof(sqfs_super_t),
-			 fd, buffer, sizeof(buffer))) {
-		return -1;
-	}
-
-	if (le16toh(*((uint16_t *)buffer)) != (0x8000 | size)) {
-		fputs("reading compressor options: invalid meta data header\n",
-		      stderr);
-		return -1;
-	}
-
-	memcpy(data, buffer + 2, size);
-	return 0;
-}
-
-bool compressor_exists(E_SQFS_COMPRESSOR id)
-{
-	if (id < SQFS_COMP_MIN || id > SQFS_COMP_MAX)
-		return false;
-
-	return (compressors[id] != NULL);
-}
-
-compressor_t *compressor_create(E_SQFS_COMPRESSOR id, bool compress,
-				size_t block_size, char *options)
-{
-	if (id < SQFS_COMP_MIN || id > SQFS_COMP_MAX)
-		return NULL;
-
-	if (compressors[id] == NULL)
-		return NULL;
-
-	return compressors[id](compress, block_size, options);
-}
-
-void compressor_print_help(E_SQFS_COMPRESSOR id)
-{
-	if (id < SQFS_COMP_MIN || id > SQFS_COMP_MAX)
-		return;
-
-	if (compressors[id] == NULL)
-		return;
-
-	helpfuns[id]();
-}
-
-void compressor_print_available(void)
-{
-	size_t i;
-
-	fputs("Available compressors:\n", stdout);
-
-	for (i = 0; i < sizeof(names) / sizeof(names[0]); ++i) {
-		if (compressor_exists(i))
-			printf("\t%s\n", names[i]);
-	}
-
-	printf("\nDefault compressor: %s\n", names[compressor_get_default()]);
-}
-
-const char *compressor_name_from_id(E_SQFS_COMPRESSOR id)
-{
-	if (id < 0 || (size_t)id >= sizeof(names) / sizeof(names[0]))
-		return NULL;
-
-	return names[id];
-}
-
-int compressor_id_from_name(const char *name, E_SQFS_COMPRESSOR *out)
-{
-	size_t i;
-
-	for (i = 0; i < sizeof(names) / sizeof(names[0]); ++i) {
-		if (names[i] != NULL && strcmp(names[i], name) == 0) {
-			*out = i;
-			return 0;
-		}
-	}
-
-	return -1;
-}
-
-E_SQFS_COMPRESSOR compressor_get_default(void)
-{
-#if defined(WITH_XZ)
-	return SQFS_COMP_XZ;
-#elif defined(WITH_ZSTD)
-	return SQFS_COMP_ZSTD;
-#elif defined(WITH_GZIP)
-	return SQFS_COMP_GZIP;
-#elif defined(WITH_LZO)
-	return SQFS_COMP_LZO;
-#elif defined(WITH_LZ4)
-	return SQFS_COMP_LZ4;
-#else
-	fputs("No compressor implementation available!\n", stderr);
-	exit(EXIT_FAILURE);
-#endif
-}