diff options
Diffstat (limited to '')
| -rw-r--r-- | src/xz/Makefile.am | 8 | ||||
| -rw-r--r-- | src/xz/args.c | 16 | ||||
| -rw-r--r-- | src/xz/coder.c | 33 | ||||
| -rw-r--r-- | src/xz/main.c | 9 | ||||
| -rw-r--r-- | src/xz/private.h | 5 |
5 files changed, 58 insertions, 13 deletions
diff --git a/src/xz/Makefile.am b/src/xz/Makefile.am index 500be411..2c6e6f54 100644 --- a/src/xz/Makefile.am +++ b/src/xz/Makefile.am @@ -16,8 +16,6 @@ xz_SOURCES = \ file_io.h \ hardware.c \ hardware.h \ - list.c \ - list.h \ main.c \ main.h \ message.c \ @@ -39,6 +37,12 @@ xz_SOURCES = \ ../common/tuklib_mbstr_width.c \ ../common/tuklib_mbstr_fw.c +if COND_MAIN_DECODER +xz_SOURCES = \ + list.c \ + list.h +endif + if COND_W32 xz_SOURCES += xz_w32res.rc endif diff --git a/src/xz/args.c b/src/xz/args.c index 041c8007..341f29e1 100644 --- a/src/xz/args.c +++ b/src/xz/args.c @@ -635,6 +635,22 @@ args_parse(args_info *args, int argc, char **argv) // Then from the command line parse_real(args, argc, argv); + // If encoder or decoder support was omitted at build time, + // show an error now so that the rest of the code can rely on + // that whatever is in opt_mode is also supported. +#ifndef HAVE_ENCODERS + if (opt_mode == MODE_COMPRESS) + message_fatal(_("Compression support was disabled " + "at build time")); +#endif +#ifndef HAVE_DECODERS + // Even MODE_LIST cannot work without decoder support so MODE_COMPRESS + // is the only valid choice. + if (opt_mode != MODE_COMPRESS) + message_fatal(_("Decompression support was disabled " + "at build time")); +#endif + // Never remove the source file when the destination is not on disk. // In test mode the data is written nowhere, but setting opt_stdout // will make the rest of the code behave well. diff --git a/src/xz/coder.c b/src/xz/coder.c index a94bdb83..3c6a01cb 100644 --- a/src/xz/coder.c +++ b/src/xz/coder.c @@ -51,7 +51,7 @@ static lzma_check check; /// This becomes false if the --check=CHECK option is used. static bool check_default = true; -#ifdef MYTHREAD_ENABLED +#if defined(HAVE_ENCODERS) && defined(MYTHREAD_ENABLED) static lzma_mt mt_options = { .flags = 0, .timeout = 300, @@ -221,9 +221,10 @@ coder_set_compression_settings(void) // Get the memory usage. Note that if --format=raw was used, // we can be decompressing. const uint64_t memory_limit = hardware_memlimit_get(opt_mode); - uint64_t memory_usage; + uint64_t memory_usage = UINT64_MAX; if (opt_mode == MODE_COMPRESS) { -#ifdef MYTHREAD_ENABLED +#ifdef HAVE_ENCODERS +# ifdef MYTHREAD_ENABLED if (opt_format == FORMAT_XZ && hardware_threads_get() > 1) { mt_options.threads = hardware_threads_get(); mt_options.block_size = opt_block_size; @@ -235,12 +236,15 @@ coder_set_compression_settings(void) " threads."), mt_options.threads); } else -#endif +# endif { memory_usage = lzma_raw_encoder_memusage(filters); } +#endif } else { +#ifdef HAVE_DECODERS memory_usage = lzma_raw_decoder_memusage(filters); +#endif } if (memory_usage == UINT64_MAX) @@ -248,7 +252,11 @@ coder_set_compression_settings(void) // Print memory usage info before possible dictionary // size auto-adjusting. + // + // NOTE: If only encoder support was built, we cannot show the + // what the decoder memory usage will be. message_mem_needed(V_DEBUG, memory_usage); +#ifdef HAVE_DECODERS if (opt_mode == MODE_COMPRESS) { const uint64_t decmem = lzma_raw_decoder_memusage(filters); if (decmem != UINT64_MAX) @@ -256,6 +264,7 @@ coder_set_compression_settings(void) "%s MiB of memory."), uint64_to_str( round_up_to_mib(decmem), 0)); } +#endif if (memory_usage <= memory_limit) return; @@ -268,7 +277,8 @@ coder_set_compression_settings(void) assert(opt_mode == MODE_COMPRESS); -#ifdef MYTHREAD_ENABLED +#ifdef HAVE_ENCODERS +# ifdef MYTHREAD_ENABLED if (opt_format == FORMAT_XZ && mt_options.threads > 1) { // Try to reduce the number of threads before // adjusting the compression settings down. @@ -295,7 +305,7 @@ coder_set_compression_settings(void) uint64_to_str(round_up_to_mib( memory_limit), 2)); } -#endif +# endif if (memory_usage <= memory_limit) return; @@ -349,11 +359,13 @@ coder_set_compression_settings(void) uint64_to_str(orig_dict_size >> 20, 0), uint64_to_str(opt->dict_size >> 20, 1), uint64_to_str(round_up_to_mib(memory_limit), 2)); +#endif return; } +#ifdef HAVE_DECODERS /// Return true if the data in in_buf seems to be in the .xz format. static bool is_format_xz(void) @@ -411,6 +423,7 @@ is_format_lzma(void) return true; } +#endif /// Detect the input file type (for now, this done only when decompressing), @@ -424,6 +437,7 @@ coder_init(file_pair *pair) lzma_ret ret = LZMA_PROG_ERROR; if (opt_mode == MODE_COMPRESS) { +#ifdef HAVE_ENCODERS switch (opt_format) { case FORMAT_AUTO: // args.c ensures this. @@ -431,12 +445,12 @@ coder_init(file_pair *pair) break; case FORMAT_XZ: -#ifdef MYTHREAD_ENABLED +# ifdef MYTHREAD_ENABLED if (hardware_threads_get() > 1) ret = lzma_stream_encoder_mt( &strm, &mt_options); else -#endif +# endif ret = lzma_stream_encoder( &strm, filters, check); break; @@ -449,7 +463,9 @@ coder_init(file_pair *pair) ret = lzma_raw_encoder(&strm, filters); break; } +#endif } else { +#ifdef HAVE_DECODERS uint32_t flags = 0; // It seems silly to warn about unsupported check if the @@ -531,6 +547,7 @@ coder_init(file_pair *pair) strm.avail_out = 0; ret = lzma_code(&strm, LZMA_RUN); } +#endif } if (ret != LZMA_OK) { diff --git a/src/xz/main.c b/src/xz/main.c index 5e0789ad..af550c45 100644 --- a/src/xz/main.c +++ b/src/xz/main.c @@ -225,8 +225,11 @@ main(int argc, char **argv) // coder_run() handles compression, decompression, and testing. // list_file() is for --list. - void (*run)(const char *filename) = opt_mode == MODE_LIST - ? &list_file : &coder_run; + void (*run)(const char *filename) = &coder_run; +#ifdef HAVE_DECODERS + if (opt_mode == MODE_LIST) + run = &list_file; +#endif // Process the files given on the command line. Note that if no names // were given, args_parse() gave us a fake "-" filename. @@ -285,6 +288,7 @@ main(int argc, char **argv) (void)fclose(args.files_file); } +#ifdef HAVE_DECODERS // All files have now been handled. If in --list mode, display // the totals before exiting. We don't have signal handlers // enabled in --list mode, so we don't need to check user_abort. @@ -292,6 +296,7 @@ main(int argc, char **argv) assert(!user_abort); list_totals(); } +#endif #ifndef NDEBUG coder_free(); diff --git a/src/xz/private.h b/src/xz/private.h index b84cbbb1..e61563ac 100644 --- a/src/xz/private.h +++ b/src/xz/private.h @@ -60,4 +60,7 @@ #include "signals.h" #include "suffix.h" #include "util.h" -#include "list.h" + +#ifdef HAVE_DECODERS +# include "list.h" +#endif |