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Diffstat (limited to 'Build/source/utils/lzma-utils/src/lzmadec/lzmadec.c')
-rw-r--r--Build/source/utils/lzma-utils/src/lzmadec/lzmadec.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/Build/source/utils/lzma-utils/src/lzmadec/lzmadec.c b/Build/source/utils/lzma-utils/src/lzmadec/lzmadec.c
new file mode 100644
index 00000000000..c4f035d5204
--- /dev/null
+++ b/Build/source/utils/lzma-utils/src/lzmadec/lzmadec.c
@@ -0,0 +1,78 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <lzmadec.h>
+#include "../lzma_version.h"
+
+#define CHUNKSIZE_IN 4096
+#define CHUNKSIZE_OUT (1024*512)
+
+int main(int argc, char **argv)
+{
+ int ret;
+ lzmadec_stream strm;
+ size_t write_size;
+ FILE *file_in = stdin;
+ FILE *file_out = stdout;
+ unsigned char *buffer_in = malloc (CHUNKSIZE_IN);
+ unsigned char *buffer_out = malloc (CHUNKSIZE_OUT);
+
+ /* Check the command line arguments. */
+ if (argc > 1 && 0 == strcmp (argv[1], "--help")) {
+ printf (/* Breaking the indentation style */
+"\nLZMAdec - a small LZMA decoder\n\n"
+"Usage: %s [--help | filename.lzma [filename2.lzma ...]]\n\n"
+"If no filename is specified lzmainfo reads stdin.\n"
+"The information is always printed to stdout.\n\n"
+"LZMA SDK version %s - %s\n"
+"LZMA utils version %s - %s\n"
+"\nLZMAinfo is free software licensed under the GNU LGPL.\n\n",
+ argv[0],
+ LZMA_SDK_VERSION_STRING, LZMA_SDK_COPYRIGHT_STRING,
+ LZMA_UTILS_VERSION_STRING, LZMA_UTILS_COPYRIGHT_STRING);
+ return 0;
+ }
+
+ if (buffer_in == NULL || buffer_out == NULL) {
+ fprintf (stderr, "%s: Not enough memory.\n", argv[0]);
+ return 5;
+ }
+
+ /* Other initializations */
+ strm.lzma_alloc = NULL;
+ strm.lzma_free = NULL;
+ strm.opaque = NULL;
+ strm.avail_in = 0;
+ strm.next_in = NULL;
+ if (lzmadec_init (&strm) != LZMADEC_OK) {
+ fprintf (stderr, "Not enough memory.\n");
+ return 2;
+ }
+
+ /* Decode */
+ while (1) {
+ if (strm.avail_in == 0) {
+ strm.next_in = buffer_in;
+ strm.avail_in = fread (buffer_in, sizeof (unsigned char),
+ CHUNKSIZE_IN, file_in);
+ }
+ strm.next_out = buffer_out;
+ strm.avail_out = CHUNKSIZE_OUT;
+ ret = lzmadec_decode (&strm, strm.avail_in == 0);
+ if (ret != LZMADEC_OK && ret != LZMADEC_STREAM_END)
+ return 1;
+ write_size = CHUNKSIZE_OUT - strm.avail_out;
+ if (write_size != (fwrite (buffer_out, sizeof (unsigned char),
+ write_size, file_out)))
+ return 2;
+ if (ret == LZMADEC_STREAM_END) {
+ lzmadec_end (&strm);
+ return 0;
+ }
+ }
+}