wimlib.net Git - wimlib/blob - src/compat.c

   1 /* TODO: Deprecated stuff to delete when shared library version is bumped up  */
   2
   3 #include "wimlib.h"
   4 #include "wimlib/compiler.h"
   5
   6 WIMLIBAPI int
   7 wimlib_lzx_set_default_params(const struct wimlib_lzx_params_old *params)
   8 {
   9         return wimlib_set_default_compressor_params(WIMLIB_COMPRESSION_TYPE_LZX,
  10                                                     (const struct wimlib_compressor_params_header*)params);
  11 }
  12
  13 WIMLIBAPI int
  14 wimlib_lzx_alloc_context(const struct wimlib_lzx_params_old *params,
  15                          struct wimlib_lzx_context_old **ctx_pp)
  16 {
  17         wimlib_lzx_free_context(*ctx_pp);
  18         *ctx_pp = NULL;
  19         return wimlib_create_compressor(WIMLIB_COMPRESSION_TYPE_LZX,
  20                                         32768,
  21                                         (const struct wimlib_compressor_params_header*)params,
  22                                         (struct wimlib_compressor**)ctx_pp);
  23 }
  24
  25 WIMLIBAPI void
  26 wimlib_lzx_free_context(struct wimlib_lzx_context_old *ctx)
  27 {
  28         wimlib_free_compressor((struct wimlib_compressor*)ctx);
  29 }
  30
  31 WIMLIBAPI unsigned
  32 wimlib_lzx_compress2(const void *udata, unsigned ulen, void *cdata,
  33                      struct wimlib_lzx_context_old *ctx)
  34 {
  35         return wimlib_compress(udata, ulen, cdata, ulen - 1,
  36                                (struct wimlib_compressor*)ctx);
  37 }
  38
  39 static unsigned
  40 do_compress(const void *udata, unsigned ulen, void *cdata, int ctype)
  41 {
  42         struct wimlib_compressor *c;
  43         unsigned clen;
  44
  45         if (wimlib_create_compressor(ctype, 32768, NULL, &c))
  46                 return 0;
  47         clen = wimlib_compress(udata, ulen, cdata, ulen - 1, c);
  48         wimlib_free_compressor(c);
  49         return clen;
  50 }
  51
  52 WIMLIBAPI unsigned
  53 wimlib_lzx_compress(const void *udata, unsigned ulen, void *cdata)
  54 {
  55         return do_compress(udata, ulen, cdata, WIMLIB_COMPRESSION_TYPE_LZX);
  56 }
  57
  58 WIMLIBAPI unsigned
  59 wimlib_xpress_compress(const void *udata, unsigned ulen, void *cdata)
  60 {
  61         return do_compress(udata, ulen, cdata, WIMLIB_COMPRESSION_TYPE_XPRESS);
  62 }
  63
  64 static int
  65 do_decompress(const void *cdata, unsigned clen,
  66               void *udata, unsigned ulen, int ctype)
  67 {
  68         int ret;
  69         struct wimlib_decompressor *dec;
  70
  71         if (wimlib_create_decompressor(ctype, 32768, NULL, &dec))
  72                 return -1;
  73         ret = wimlib_decompress(cdata, clen, udata, ulen, dec);
  74         wimlib_free_decompressor(dec);
  75         return ret;
  76 }
  77
  78 WIMLIBAPI int
  79 wimlib_lzx_decompress(const void *cdata, unsigned clen,
  80                       void *udata, unsigned ulen)
  81 {
  82         return do_decompress(cdata, clen, udata, ulen, WIMLIB_COMPRESSION_TYPE_LZX);
  83 }
  84
  85
  86 WIMLIBAPI int
  87 wimlib_xpress_decompress(const void *cdata, unsigned clen,
  88                          void *udata, unsigned ulen)
  89 {
  90         return do_decompress(cdata, clen, udata, ulen, WIMLIB_COMPRESSION_TYPE_XPRESS);
  91 }