diff options
Diffstat (limited to 'debug')
| -rw-r--r-- | debug/Makefile.am | 30 | ||||
| -rw-r--r-- | debug/Makefile.in | 735 | ||||
| -rw-r--r-- | debug/README | 17 | ||||
| -rw-r--r-- | debug/crc32.c | 39 | ||||
| -rw-r--r-- | debug/full_flush.c | 103 | ||||
| -rw-r--r-- | debug/hex2bin.c | 53 | ||||
| -rw-r--r-- | debug/known_sizes.c | 129 | ||||
| -rw-r--r-- | debug/memusage.c | 51 | ||||
| -rw-r--r-- | debug/repeat.c | 36 | ||||
| -rw-r--r-- | debug/sync_flush.c | 125 | ||||
| -rw-r--r-- | debug/translation.bash | 100 |
11 files changed, 1418 insertions, 0 deletions
diff --git a/debug/Makefile.am b/debug/Makefile.am new file mode 100644 index 0000000..9026fd9 --- /dev/null +++ b/debug/Makefile.am @@ -0,0 +1,30 @@ +## +## Author: Lasse Collin +## +## This file has been put into the public domain. +## You can do whatever you want with this file. +## + +EXTRA_DIST = \ + translation.bash + +noinst_PROGRAMS = \ + repeat \ + sync_flush \ + full_flush \ + memusage \ + crc32 \ + known_sizes \ + hex2bin + +AM_CPPFLAGS = \ + -I$(top_srcdir)/src/common \ + -I$(top_srcdir)/src/liblzma/api + +LDADD = $(top_builddir)/src/liblzma/liblzma.la + +if COND_GNULIB +LDADD += $(top_builddir)/lib/libgnu.a +endif + +LDADD += $(LTLIBINTL) diff --git a/debug/Makefile.in b/debug/Makefile.in new file mode 100644 index 0000000..256be27 --- /dev/null +++ b/debug/Makefile.in @@ -0,0 +1,735 @@ +# Makefile.in generated by automake 1.16.5 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2021 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; \ + strip_trailopt () \ + { \ + flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ + }; \ + for flg in $$sane_makeflags; do \ + test $$skip_next = yes && { skip_next=no; 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Often one needs to edit + the source code a little to make the programs do the wanted things. + If you don't know how these programs could help you, it is likely + that they really are useless to you. + + These aren't intended to be used as example programs. They take some + shortcuts here and there, which correct programs should not do. Many + possible errors (especially I/O errors) are ignored. Don't report + bugs or send patches to fix this kind of bugs. + diff --git a/debug/crc32.c b/debug/crc32.c new file mode 100644 index 0000000..e545a3c --- /dev/null +++ b/debug/crc32.c @@ -0,0 +1,39 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file crc32.c +/// \brief Primitive CRC32 calculation tool +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "sysdefs.h" +#include "lzma.h" +#include <stdio.h> + + +int +main(void) +{ + uint32_t crc = 0; + + do { + uint8_t buf[BUFSIZ]; + const size_t size = fread(buf, 1, sizeof(buf), stdin); + crc = lzma_crc32(buf, size, crc); + } while (!ferror(stdin) && !feof(stdin)); + + //printf("%08" PRIX32 "\n", crc); + + // I want it little endian so it's easy to work with hex editor. + printf("%02" PRIX32 " ", crc & 0xFF); + printf("%02" PRIX32 " ", (crc >> 8) & 0xFF); + printf("%02" PRIX32 " ", (crc >> 16) & 0xFF); + printf("%02" PRIX32 " ", crc >> 24); + printf("\n"); + + return 0; +} diff --git a/debug/full_flush.c b/debug/full_flush.c new file mode 100644 index 0000000..227f737 --- /dev/null +++ b/debug/full_flush.c @@ -0,0 +1,103 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file full_flush.c +/// \brief Encode files using LZMA_FULL_FLUSH +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "sysdefs.h" +#include "lzma.h" +#include <stdio.h> + +#define CHUNK 64 + + +static lzma_stream strm = LZMA_STREAM_INIT; +static FILE *file_in; + + +static void +encode(size_t size, lzma_action action) +{ + uint8_t in[CHUNK]; + uint8_t out[CHUNK]; + lzma_ret ret; + + do { + if (strm.avail_in == 0 && size > 0) { + const size_t amount = my_min(size, CHUNK); + strm.avail_in = fread(in, 1, amount, file_in); + strm.next_in = in; + size -= amount; // Intentionally not using avail_in. + } + + strm.next_out = out; + strm.avail_out = CHUNK; + + ret = lzma_code(&strm, size == 0 ? action : LZMA_RUN); + + if (ret != LZMA_OK && ret != LZMA_STREAM_END) { + fprintf(stderr, "%s:%u: %s: ret == %d\n", + __FILE__, __LINE__, __func__, ret); + exit(1); + } + + fwrite(out, 1, CHUNK - strm.avail_out, stdout); + + } while (size > 0 || strm.avail_out == 0); + + if ((action == LZMA_RUN && ret != LZMA_OK) + || (action != LZMA_RUN && ret != LZMA_STREAM_END)) { + fprintf(stderr, "%s:%u: %s: ret == %d\n", + __FILE__, __LINE__, __func__, ret); + exit(1); + } +} + + +int +main(int argc, char **argv) +{ + file_in = argc > 1 ? fopen(argv[1], "rb") : stdin; + + + // Config + lzma_options_lzma opt_lzma; + if (lzma_lzma_preset(&opt_lzma, 1)) { + fprintf(stderr, "preset failed\n"); + exit(1); + } + lzma_filter filters[LZMA_FILTERS_MAX + 1]; + filters[0].id = LZMA_FILTER_LZMA2; + filters[0].options = &opt_lzma; + filters[1].id = LZMA_VLI_UNKNOWN; + + // Init + if (lzma_stream_encoder(&strm, filters, LZMA_CHECK_CRC32) != LZMA_OK) { + fprintf(stderr, "init failed\n"); + exit(1); + } + +// if (lzma_easy_encoder(&strm, 1)) { +// fprintf(stderr, "init failed\n"); +// exit(1); +// } + + // Encoding + encode(0, LZMA_FULL_FLUSH); + encode(6, LZMA_FULL_FLUSH); + encode(0, LZMA_FULL_FLUSH); + encode(7, LZMA_FULL_FLUSH); + encode(0, LZMA_FULL_FLUSH); + encode(0, LZMA_FINISH); + + // Clean up + lzma_end(&strm); + + return 0; +} diff --git a/debug/hex2bin.c b/debug/hex2bin.c new file mode 100644 index 0000000..7324624 --- /dev/null +++ b/debug/hex2bin.c @@ -0,0 +1,53 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file hex2bin.c +/// \brief Converts hexadecimal input strings to binary +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "sysdefs.h" +#include <stdio.h> +#include <ctype.h> + + +static int +getbin(int x) +{ + if (x >= '0' && x <= '9') + return x - '0'; + + if (x >= 'A' && x <= 'F') + return x - 'A' + 10; + + return x - 'a' + 10; +} + + +int +main(void) +{ + while (true) { + int byte = getchar(); + if (byte == EOF) + return 0; + if (!isxdigit(byte)) + continue; + + const int digit = getchar(); + if (digit == EOF || !isxdigit(digit)) { + fprintf(stderr, "Invalid input\n"); + return 1; + } + + byte = (getbin(byte) << 4) | getbin(digit); + if (putchar(byte) == EOF) { + perror(NULL); + return 1; + } + } +} diff --git a/debug/known_sizes.c b/debug/known_sizes.c new file mode 100644 index 0000000..6c3641f --- /dev/null +++ b/debug/known_sizes.c @@ -0,0 +1,129 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file known_sizes.c +/// \brief Encodes .lzma Stream with sizes known in Block Header +/// +/// The input file is encoded in RAM, and the known Compressed Size +/// and/or Uncompressed Size values are stored in the Block Header. +/// As of writing there's no such Stream encoder in liblzma. +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "sysdefs.h" +#include "lzma.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/unistd.h> +#include <stdio.h> + + +// Support file sizes up to 1 MiB. We use this for output space too, so files +// close to 1 MiB had better compress at least a little or we have a buffer +// overflow. +#define BUFFER_SIZE (1U << 20) + + +int +main(void) +{ + // Allocate the buffers. + uint8_t *in = malloc(BUFFER_SIZE); + uint8_t *out = malloc(BUFFER_SIZE); + if (in == NULL || out == NULL) + return 1; + + // Fill the input buffer. + const size_t in_size = fread(in, 1, BUFFER_SIZE, stdin); + + // Filter setup + lzma_options_lzma opt_lzma; + if (lzma_lzma_preset(&opt_lzma, 1)) + return 1; + + lzma_filter filters[] = { + { + .id = LZMA_FILTER_LZMA2, + .options = &opt_lzma + }, + { + .id = LZMA_VLI_UNKNOWN + } + }; + + lzma_block block = { + .check = LZMA_CHECK_CRC32, + .compressed_size = BUFFER_SIZE, // Worst case reserve + .uncompressed_size = in_size, + .filters = filters, + }; + + lzma_stream strm = LZMA_STREAM_INIT; + if (lzma_block_encoder(&strm, &block) != LZMA_OK) + return 1; + + // Reserve space for Stream Header and Block Header. We need to + // calculate the size of the Block Header first. + if (lzma_block_header_size(&block) != LZMA_OK) + return 1; + + size_t out_size = LZMA_STREAM_HEADER_SIZE + block.header_size; + + strm.next_in = in; + strm.avail_in = in_size; + strm.next_out = out + out_size; + strm.avail_out = BUFFER_SIZE - out_size; + + if (lzma_code(&strm, LZMA_FINISH) != LZMA_STREAM_END) + return 1; + + out_size += strm.total_out; + + if (lzma_block_header_encode(&block, out + LZMA_STREAM_HEADER_SIZE) + != LZMA_OK) + return 1; + + lzma_index *idx = lzma_index_init(NULL); + if (idx == NULL) + return 1; + + if (lzma_index_append(idx, NULL, block.header_size + strm.total_out, + strm.total_in) != LZMA_OK) + return 1; + + if (lzma_index_encoder(&strm, idx) != LZMA_OK) + return 1; + + if (lzma_code(&strm, LZMA_RUN) != LZMA_STREAM_END) + return 1; + + out_size += strm.total_out; + + lzma_end(&strm); + + lzma_index_end(idx, NULL); + + // Encode the Stream Header and Stream Footer. backwards_size is + // needed only for the Stream Footer. + lzma_stream_flags sf = { + .backward_size = strm.total_out, + .check = block.check, + }; + + if (lzma_stream_header_encode(&sf, out) != LZMA_OK) + return 1; + + if (lzma_stream_footer_encode(&sf, out + out_size) != LZMA_OK) + return 1; + + out_size += LZMA_STREAM_HEADER_SIZE; + + // Write out the file. + fwrite(out, 1, out_size, stdout); + + return 0; +} diff --git a/debug/memusage.c b/debug/memusage.c new file mode 100644 index 0000000..bd72b5a --- /dev/null +++ b/debug/memusage.c @@ -0,0 +1,51 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file memusage.c +/// \brief Calculates memory usage using lzma_memory_usage() +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "sysdefs.h" +#include "lzma.h" +#include <stdio.h> + +int +main(void) +{ + lzma_options_lzma lzma = { + .dict_size = (1U << 30) + (1U << 29), + .lc = 3, + .lp = 0, + .pb = 2, + .preset_dict = NULL, + .preset_dict_size = 0, + .mode = LZMA_MODE_NORMAL, + .nice_len = 48, + .mf = LZMA_MF_BT4, + .depth = 0, + }; + +/* + lzma_options_filter filters[] = { + { LZMA_FILTER_LZMA1, + (lzma_options_lzma *)&lzma_preset_lzma[6 - 1] }, + { UINT64_MAX, NULL } + }; +*/ + lzma_filter filters[] = { + { LZMA_FILTER_LZMA1, &lzma }, + { UINT64_MAX, NULL } + }; + + printf("Encoder: %10" PRIu64 " B\n", + lzma_raw_encoder_memusage(filters)); + printf("Decoder: %10" PRIu64 " B\n", + lzma_raw_decoder_memusage(filters)); + + return 0; +} diff --git a/debug/repeat.c b/debug/repeat.c new file mode 100644 index 0000000..a00bde2 --- /dev/null +++ b/debug/repeat.c @@ -0,0 +1,36 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file repeat.c +/// \brief Repeats given string given times +/// +/// This program can be useful when debugging run-length encoder in +/// the Subblock filter, especially the condition when repeat count +/// doesn't fit into 28-bit integer. +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "sysdefs.h" +#include <stdio.h> + + +int +main(int argc, char **argv) +{ + if (argc != 3) { + fprintf(stderr, "Usage: %s COUNT STRING\n", argv[0]); + exit(1); + } + + unsigned long long count = strtoull(argv[1], NULL, 10); + const size_t size = strlen(argv[2]); + + while (count-- != 0) + fwrite(argv[2], 1, size, stdout); + + return !!(ferror(stdout) || fclose(stdout)); +} diff --git a/debug/sync_flush.c b/debug/sync_flush.c new file mode 100644 index 0000000..2292333 --- /dev/null +++ b/debug/sync_flush.c @@ -0,0 +1,125 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file sync_flush.c +/// \brief Encode files using LZMA_SYNC_FLUSH +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "sysdefs.h" +#include "lzma.h" +#include <stdio.h> + +#define CHUNK 64 + + +static lzma_stream strm = LZMA_STREAM_INIT; +static FILE *file_in; + + +static void +encode(size_t size, lzma_action action) +{ + uint8_t in[CHUNK]; + uint8_t out[CHUNK]; + lzma_ret ret; + + do { + if (strm.avail_in == 0 && size > 0) { + const size_t amount = my_min(size, CHUNK); + strm.avail_in = fread(in, 1, amount, file_in); + strm.next_in = in; + size -= amount; // Intentionally not using avail_in. + } + + strm.next_out = out; + strm.avail_out = CHUNK; + + ret = lzma_code(&strm, size == 0 ? action : LZMA_RUN); + + if (ret != LZMA_OK && ret != LZMA_STREAM_END) { + fprintf(stderr, "%s:%u: %s: ret == %d\n", + __FILE__, __LINE__, __func__, ret); + exit(1); + } + + fwrite(out, 1, CHUNK - strm.avail_out, stdout); + + } while (size > 0 || strm.avail_out == 0); + + if ((action == LZMA_RUN && ret != LZMA_OK) + || (action != LZMA_RUN && ret != LZMA_STREAM_END)) { + fprintf(stderr, "%s:%u: %s: ret == %d\n", + __FILE__, __LINE__, __func__, ret); + exit(1); + } +} + + +int +main(int argc, char **argv) +{ + file_in = argc > 1 ? fopen(argv[1], "rb") : stdin; + + // Config + lzma_options_lzma opt_lzma = { + .dict_size = 1U << 16, + .lc = LZMA_LC_DEFAULT, + .lp = LZMA_LP_DEFAULT, + .pb = LZMA_PB_DEFAULT, + .preset_dict = NULL, + .mode = LZMA_MODE_NORMAL, + .nice_len = 32, + .mf = LZMA_MF_HC3, + .depth = 0, + }; + + lzma_options_delta opt_delta = { + .dist = 16 + }; + + lzma_filter filters[LZMA_FILTERS_MAX + 1]; + filters[0].id = LZMA_FILTER_LZMA2; + filters[0].options = &opt_lzma; + filters[1].id = LZMA_VLI_UNKNOWN; + + // Init + if (lzma_stream_encoder(&strm, filters, LZMA_CHECK_CRC32) != LZMA_OK) { + fprintf(stderr, "init failed\n"); + exit(1); + } + + // Encoding + encode(0, LZMA_SYNC_FLUSH); + encode(6, LZMA_SYNC_FLUSH); + encode(0, LZMA_SYNC_FLUSH); + encode(7, LZMA_SYNC_FLUSH); + encode(0, LZMA_SYNC_FLUSH); + encode(0, LZMA_FINISH); + +/* + encode(53, LZMA_SYNC_FLUSH); + opt_lzma.lc = 2; + opt_lzma.lp = 1; + opt_lzma.pb = 0; + if (lzma_filters_update(&strm, filters) != LZMA_OK) { + fprintf(stderr, "update failed\n"); + exit(1); + } + encode(404, LZMA_FINISH); +*/ + + // Clean up + lzma_end(&strm); + + return 0; + + // Prevent useless warnings so we don't need to have special CFLAGS + // to disable -Werror. + (void)opt_lzma; + (void)opt_delta; +} diff --git a/debug/translation.bash b/debug/translation.bash new file mode 100644 index 0000000..df4210d --- /dev/null +++ b/debug/translation.bash @@ -0,0 +1,100 @@ +#!/bin/bash + +############################################################################### +# +# Script to check output of some translated messages +# +# This should be useful for translators to check that the translated strings +# look good. This doesn't make xz print all possible strings, but it should +# cover most of the cases where mistakes can easily happen. +# +# Give the path and filename of the xz executable as an argument. If no +# arguments are given, this script uses ../src/xz/xz (relative to the +# location of this script). +# +# You may want to pipe the output of this script to less -S to view the +# tables printed by xz --list on a 80-column terminal. On the other hand, +# viewing the other messages may be better without -S. +# +############################################################################### +# +# Author: Lasse Collin +# +# This file has been put into the public domain. +# You can do whatever you want with this file. +# +############################################################################### + +set -e + +# If an argument was given, use it to set the location of the xz executable. +unset XZ +if [ -n "$1" ]; then + XZ=$1 + [ "x${XZ:0:1}" != "x/" ] && XZ="$PWD/$XZ" +fi + +# Locate top_srcdir and go there. +top_srcdir="$(cd -- "$(dirname -- "$0")" && cd .. && pwd)" +cd -- "$top_srcdir" + +# If XZ wasn't already set, use the default location. +XZ=${XZ-"$PWD/src/xz/xz"} +if [ "$(type -t "$XZ" || true)" != "file" ]; then + echo "Give the location of the xz executable as an argument" \ + "to this script." + exit 1 +fi +XZ=$(type -p -- "$XZ") + +# Print the xz version and locale information. +echo "$XZ --version" +"$XZ" --version +echo +if [ -d .git ] && type git > /dev/null 2>&1; then + echo "Source code version in $PWD:" + git describe --abbrev=4 +fi +echo +locale +echo + +# Make the test files directory the current directory. +cd tests/files + +# Put xz in PATH so that argv[0] stays short. +PATH=${XZ%/*}:$PATH + +# Some of the test commands are error messages and thus don't +# return successfully. +set +e + +for CMD in \ + "xz --foobarbaz" \ + "xz --memlimit=123abcd" \ + "xz --memlimit=40MiB -6 /dev/null" \ + "xz --memlimit=0 --info-memory" \ + "xz --memlimit-compress=1234MiB --memlimit-decompress=50MiB --info-memory" \ + "xz --verbose --verbose /dev/null | cat" \ + "xz --lzma2=foobarbaz" \ + "xz --lzma2=foobarbaz=abcd" \ + "xz --lzma2=mf=abcd" \ + "xz --lzma2=preset=foobarbaz" \ + "xz --lzma2=mf=bt4,nice=2" \ + "xz --lzma2=nice=50000" \ + "xz --help" \ + "xz --long-help" \ + "xz --list good-*lzma2*" \ + "xz --list good-1-check*" \ + "xz --list --verbose good-*lzma2*" \ + "xz --list --verbose good-1-check*" \ + "xz --list --verbose --verbose good-*lzma2*" \ + "xz --list --verbose --verbose good-1-check*" \ + "xz --list --verbose --verbose unsupported-check.xz" +do + echo "-----------------------------------------------------------" + echo + echo "\$ $CMD" + eval "$CMD" + echo +done 2>&1 |