mirror of
https://abf.rosa.ru/djam/xz.git
synced 2025-02-23 18:42:57 +00:00
133 lines
3.6 KiB
Diff
133 lines
3.6 KiB
Diff
--- xz-5.1.1alpha/src/liblzma/api/lzma/container.h.text~ 2011-08-18 18:24:40.000000000 +0200
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+++ xz-5.1.1alpha/src/liblzma/api/lzma/container.h 2011-08-18 19:10:12.065402208 +0200
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@@ -43,7 +43,7 @@
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/*
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* Preset flags
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*
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- * Currently only one flag is defined.
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+ * Currently only two flags are defined.
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*/
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/**
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@@ -59,6 +59,12 @@
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*/
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#define LZMA_PRESET_EXTREME (UINT32_C(1) << 31)
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+/**
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+ * \brief Text compression preset
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+ *
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+ * TODO
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+ */
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+#define LZMA_PRESET_TEXT (UINT32_C(1) << 18)
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#ifdef LZMA_UNSTABLE /* Unstable API that may change. Use only for testing. */
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/**
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--- xz-5.1.1alpha/src/liblzma/lzma/lzma_encoder_presets.c.text~ 2011-08-18 18:24:40.000000000 +0200
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+++ xz-5.1.1alpha/src/liblzma/lzma/lzma_encoder_presets.c 2011-08-18 19:08:52.453282915 +0200
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@@ -18,7 +18,7 @@ lzma_lzma_preset(lzma_options_lzma *opti
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{
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const uint32_t level = preset & LZMA_PRESET_LEVEL_MASK;
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const uint32_t flags = preset & ~LZMA_PRESET_LEVEL_MASK;
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- const uint32_t supported_flags = LZMA_PRESET_EXTREME;
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+ const uint32_t supported_flags = LZMA_PRESET_EXTREME | LZMA_PRESET_TEXT;
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if (level > 9 || (flags & ~supported_flags))
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return true;
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@@ -57,5 +57,18 @@ lzma_lzma_preset(lzma_options_lzma *opti
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}
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}
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+ if (flags & LZMA_PRESET_TEXT) {
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+ if (level == 0)
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+ options->lc = 3;
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+ else
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+ options->lc = 4;
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+ options->lp = 0;
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+ options->pb = 0;
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+ options->mode = LZMA_MODE_NORMAL;
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+ options->nice_len = 273;
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+ options->mf = LZMA_MF_BT4;
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+ options->depth = 512;
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+ }
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+
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return false;
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}
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--- xz-5.1.1alpha/src/xz/args.c.text~ 2011-08-18 18:24:40.000000000 +0200
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+++ xz-5.1.1alpha/src/xz/args.c 2011-08-18 19:08:52.454282916 +0200
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@@ -78,6 +78,7 @@ parse_real(args_info *args, int argc, ch
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OPT_NO_ADJUST,
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OPT_INFO_MEMORY,
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OPT_ROBOT,
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+ OPT_TEXT,
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};
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static const char short_opts[]
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@@ -117,6 +118,8 @@ parse_real(args_info *args, int argc, ch
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{ "extreme", no_argument, NULL, 'e' },
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{ "fast", no_argument, NULL, '0' },
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{ "best", no_argument, NULL, '9' },
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+ { "text", no_argument, NULL, OPT_TEXT },
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+
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// Filters
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{ "lzma1", optional_argument, NULL, OPT_LZMA1 },
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@@ -415,6 +418,10 @@ parse_real(args_info *args, int argc, ch
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opt_auto_adjust = false;
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break;
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+ case OPT_TEXT:
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+ coder_set_text();
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+ break;
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+
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default:
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message_try_help();
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tuklib_exit(E_ERROR, E_ERROR, false);
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--- xz-5.1.1alpha/src/xz/coder.c.text~ 2011-08-18 18:24:40.000000000 +0200
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+++ xz-5.1.1alpha/src/xz/coder.c 2011-08-18 19:08:52.456282919 +0200
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@@ -49,6 +49,9 @@ static uint32_t preset_number = 6;
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/// compression ratio.
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static bool preset_extreme = false;
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+/// TODO: Description..
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+static bool preset_text = false;
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+
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/// Integrity check type
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static lzma_check check;
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@@ -99,6 +102,14 @@ coder_set_extreme(void)
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extern void
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+coder_set_text(void)
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+{
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+ preset_text = true;
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+ return;
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+}
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+
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+
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+extern void
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coder_add_filter(lzma_vli id, void *options)
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{
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if (filters_count == LZMA_FILTERS_MAX)
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@@ -156,6 +167,9 @@ coder_set_compression_settings(void)
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if (preset_extreme)
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preset_number |= LZMA_PRESET_EXTREME;
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+ if (preset_text)
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+ preset_number |= LZMA_PRESET_TEXT;
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+
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if (lzma_lzma_preset(&opt_lzma, preset_number))
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message_bug();
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--- xz-5.1.1alpha/src/xz/coder.h.text~ 2011-08-18 18:24:40.000000000 +0200
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+++ xz-5.1.1alpha/src/xz/coder.h 2011-08-18 19:08:52.457282921 +0200
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@@ -57,6 +57,9 @@ extern void coder_set_preset(uint32_t ne
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/// Enable extreme mode
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extern void coder_set_extreme(void);
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+/// Enable text mode
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+extern void coder_set_text(void);
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+
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/// Add a filter to the custom filter chain
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extern void coder_add_filter(lzma_vli id, void *options);
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