From 87f37bc5a305e6a68ef232be580350588e300fcc Mon Sep 17 00:00:00 2001 From: Juan Linietsky Date: Mon, 28 Apr 2014 21:56:43 -0300 Subject: -Added OpenSSL and HTTPS support -Built-in version of the library for Windows, Android and iOS (other OSs use system one) -Small fixes all around --- drivers/builtin_openssl/crypto/comp/c_rle.c | 61 +++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 drivers/builtin_openssl/crypto/comp/c_rle.c (limited to 'drivers/builtin_openssl/crypto/comp/c_rle.c') diff --git a/drivers/builtin_openssl/crypto/comp/c_rle.c b/drivers/builtin_openssl/crypto/comp/c_rle.c new file mode 100644 index 0000000000..47dfb67fbd --- /dev/null +++ b/drivers/builtin_openssl/crypto/comp/c_rle.c @@ -0,0 +1,61 @@ +#include +#include +#include +#include +#include + +static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen); +static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen); + +static COMP_METHOD rle_method={ + NID_rle_compression, + LN_rle_compression, + NULL, + NULL, + rle_compress_block, + rle_expand_block, + NULL, + NULL, + }; + +COMP_METHOD *COMP_rle(void) + { + return(&rle_method); + } + +static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen) + { + /* int i; */ + + if (ilen == 0 || olen < (ilen-1)) + { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + return(-1); + } + + *(out++)=0; + memcpy(out,in,ilen); + return(ilen+1); + } + +static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen) + { + int i; + + if (olen < (ilen-1)) + { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + return(-1); + } + + i= *(in++); + if (i == 0) + { + memcpy(out,in,ilen-1); + } + return(ilen-1); + } -- cgit v1.2.3