diff options
Diffstat (limited to 'main/lzo/examples/lzopack.c')
-rw-r--r-- | main/lzo/examples/lzopack.c | 75 |
1 files changed, 29 insertions, 46 deletions
diff --git a/main/lzo/examples/lzopack.c b/main/lzo/examples/lzopack.c index e4e745df..10e2c1dc 100644 --- a/main/lzo/examples/lzopack.c +++ b/main/lzo/examples/lzopack.c @@ -2,22 +2,7 @@ This file is part of the LZO real-time data compression library. - Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer - Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer + Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer All Rights Reserved. The LZO library is free software; you can redistribute it and/or @@ -76,7 +61,7 @@ static const unsigned char magic[7] = // file IO **************************************************************************/ -lzo_uint xread(FILE *fp, lzo_voidp buf, lzo_uint len, lzo_bool allow_eof) +static lzo_uint xread(FILE *fp, lzo_voidp buf, lzo_uint len, lzo_bool allow_eof) { lzo_uint l; @@ -95,7 +80,7 @@ lzo_uint xread(FILE *fp, lzo_voidp buf, lzo_uint len, lzo_bool allow_eof) return l; } -lzo_uint xwrite(FILE *fp, const lzo_voidp buf, lzo_uint len) +static lzo_uint xwrite(FILE *fp, const lzo_voidp buf, lzo_uint len) { if (fp != NULL && lzo_fwrite(fp, buf, len) != len) { @@ -107,14 +92,14 @@ lzo_uint xwrite(FILE *fp, const lzo_voidp buf, lzo_uint len) } -int xgetc(FILE *fp) +static int xgetc(FILE *fp) { unsigned char c; xread(fp, (lzo_voidp) &c, 1, 0); return c; } -void xputc(FILE *fp, int c) +static void xputc(FILE *fp, int c) { unsigned char cc = (unsigned char) (c & 0xff); xwrite(fp, (const lzo_voidp) &cc, 1); @@ -122,20 +107,20 @@ void xputc(FILE *fp, int c) /* read and write portable 32-bit integers */ -lzo_uint32 xread32(FILE *fp) +static lzo_uint32_t xread32(FILE *fp) { unsigned char b[4]; - lzo_uint32 v; + lzo_uint32_t v; xread(fp, b, 4, 0); - v = (lzo_uint32) b[3] << 0; - v |= (lzo_uint32) b[2] << 8; - v |= (lzo_uint32) b[1] << 16; - v |= (lzo_uint32) b[0] << 24; + v = (lzo_uint32_t) b[3] << 0; + v |= (lzo_uint32_t) b[2] << 8; + v |= (lzo_uint32_t) b[1] << 16; + v |= (lzo_uint32_t) b[0] << 24; return v; } -void xwrite32(FILE *fp, lzo_xint v) +static void xwrite32(FILE *fp, lzo_xint v) { unsigned char b[4]; @@ -159,7 +144,7 @@ void xwrite32(FILE *fp, lzo_xint v) // compression. **************************************************************************/ -int do_compress(FILE *fi, FILE *fo, int compression_level, lzo_uint block_size) +static int do_compress(FILE *fi, FILE *fo, int compression_level, lzo_uint block_size) { int r = 0; lzo_bytep in = NULL; @@ -167,10 +152,10 @@ int do_compress(FILE *fi, FILE *fo, int compression_level, lzo_uint block_size) lzo_voidp wrkmem = NULL; lzo_uint in_len; lzo_uint out_len; - lzo_uint32 wrk_len = 0; - lzo_uint32 flags = 1; /* do compute a checksum */ + lzo_uint wrkmem_size; + lzo_uint32_t flags = 1; /* do compute a checksum */ int method = 1; /* compression method: LZO1X */ - lzo_uint32 checksum; + lzo_uint32_t checksum; total_in = total_out = 0; @@ -190,10 +175,10 @@ int do_compress(FILE *fi, FILE *fo, int compression_level, lzo_uint block_size) in = (lzo_bytep) xmalloc(block_size); out = (lzo_bytep) xmalloc(block_size + block_size / 16 + 64 + 3); if (compression_level == 9) - wrk_len = LZO1X_999_MEM_COMPRESS; + wrkmem_size = LZO1X_999_MEM_COMPRESS; else - wrk_len = LZO1X_1_MEM_COMPRESS; - wrkmem = (lzo_voidp) xmalloc(wrk_len); + wrkmem_size = LZO1X_1_MEM_COMPRESS; + wrkmem = (lzo_voidp) xmalloc(wrkmem_size); if (in == NULL || out == NULL || wrkmem == NULL) { printf("%s: out of memory\n", progname); @@ -217,7 +202,7 @@ int do_compress(FILE *fi, FILE *fo, int compression_level, lzo_uint block_size) /* clear wrkmem (not needed, only for debug/benchmark purposes) */ if (opt_debug) - lzo_memset(wrkmem, 0xff, wrk_len); + lzo_memset(wrkmem, 0xff, wrkmem_size); /* compress block */ if (compression_level == 9) @@ -272,17 +257,17 @@ err: // memory - see overlap.c. **************************************************************************/ -int do_decompress(FILE *fi, FILE *fo) +static int do_decompress(FILE *fi, FILE *fo) { int r = 0; lzo_bytep buf = NULL; lzo_uint buf_len; unsigned char m [ sizeof(magic) ]; - lzo_uint32 flags; + lzo_uint32_t flags; int method; int compression_level; lzo_uint block_size; - lzo_uint32 checksum; + lzo_uint32_t checksum; total_in = total_out = 0; @@ -307,7 +292,7 @@ int do_decompress(FILE *fi, FILE *fo) goto err; } block_size = xread32(fi); - if (block_size < 1024 || block_size > 8*1024*1024L) + if (block_size < 1024 || block_size > 8L * 1024L * 1024L) { printf("%s: header error - invalid block size %ld\n", progname, (long) block_size); @@ -396,7 +381,7 @@ int do_decompress(FILE *fi, FILE *fo) /* read and verify checksum */ if (flags & 1) { - lzo_uint32 c = xread32(fi); + lzo_uint32_t c = xread32(fi); if (c != checksum) { printf("%s: checksum error - data corrupted\n", progname); @@ -524,7 +509,7 @@ int __lzo_cdecl_main main(int argc, char *argv[]) printf("\nLZO real-time data compression library (v%s, %s).\n", lzo_version_string(), lzo_version_date()); - printf("Copyright (C) 1996-2011 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n"); + printf("Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n"); #if 0 printf( @@ -552,9 +537,9 @@ int __lzo_cdecl_main main(int argc, char *argv[]) */ opt_block_size = 256 * 1024L; -#if defined(ACC_MM_AHSHIFT) +#if defined(LZO_MM_AHSHIFT) /* reduce memory requirements for ancient 16-bit DOS 640kB real-mode */ - if (ACC_MM_AHSHIFT != 3) + if (LZO_MM_AHSHIFT != 3) opt_block_size = 16 * 1024L; #endif @@ -639,7 +624,5 @@ int __lzo_cdecl_main main(int argc, char *argv[]) return r; } -/* -vi:ts=4:et -*/ +/* vim:set ts=4 sw=4 et: */ |