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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 21:12:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 21:12:04 +0000
commiteac54b7c4aec25060d7bd856f7cdc290943d6aae (patch)
tree9a6d81c9f88df4698e746d63d14ddafeddd918b8 /debug
parentInitial commit. (diff)
downloadxz-utils-upstream.tar.xz
xz-utils-upstream.zip
Adding upstream version 5.4.1.upstream/5.4.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--debug/Makefile.am30
-rw-r--r--debug/Makefile.in735
-rw-r--r--debug/README17
-rw-r--r--debug/crc32.c39
-rw-r--r--debug/full_flush.c103
-rw-r--r--debug/hex2bin.c53
-rw-r--r--debug/known_sizes.c129
-rw-r--r--debug/memusage.c51
-rw-r--r--debug/repeat.c36
-rw-r--r--debug/sync_flush.c125
-rw-r--r--debug/translation.bash100
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.
+##
+
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+ translation.bash
+
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+ sync_flush \
+ full_flush \
+ memusage \
+ crc32 \
+ known_sizes \
+ hex2bin
+
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+
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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 @@
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+# 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
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+repeat$(EXEEXT): $(repeat_OBJECTS) $(repeat_DEPENDENCIES) $(EXTRA_repeat_DEPENDENCIES)
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+
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+ @rm -f sync_flush$(EXEEXT)
+ $(AM_V_CCLD)$(LINK) $(sync_flush_OBJECTS) $(sync_flush_LDADD) $(LIBS)
+
+mostlyclean-compile:
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+
+distclean-compile:
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+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/crc32.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/full_flush.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hex2bin.Po@am__quote@ # am--include-marker
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/memusage.Po@am__quote@ # am--include-marker
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+mostlyclean-libtool:
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+
+clean-libtool:
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+ID: $(am__tagged_files)
+ $(am__define_uniq_tagged_files); mkid -fID $$unique
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+ here=`pwd`; \
+ $(am__define_uniq_tagged_files); \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
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+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
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+
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+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+ $(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
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+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
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+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
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+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+ install; \
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+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+ @echo "it deletes files that may require special tools to rebuild."
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+distclean: distclean-am
+ -rm -f ./$(DEPDIR)/crc32.Po
+ -rm -f ./$(DEPDIR)/full_flush.Po
+ -rm -f ./$(DEPDIR)/hex2bin.Po
+ -rm -f ./$(DEPDIR)/known_sizes.Po
+ -rm -f ./$(DEPDIR)/memusage.Po
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+ -rm -f ./$(DEPDIR)/sync_flush.Po
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+ distclean-tags
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+ -rm -f ./$(DEPDIR)/memusage.Po
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+ -rm -f ./$(DEPDIR)/sync_flush.Po
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+ ctags ctags-am distclean distclean-compile distclean-generic \
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+ html-am info info-am install install-am install-data \
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+.PRECIOUS: Makefile
+
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/debug/README b/debug/README
new file mode 100644
index 0000000..d42b272
--- /dev/null
+++ b/debug/README
@@ -0,0 +1,17 @@
+
+Debug tools
+-----------
+
+ This directory contains a few tiny programs that may be helpful when
+ debugging XZ Utils.
+
+ These tools are not meant to be installed. 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