#include <stdio.h> #include <stdlib.h> #include <string.h> #include <openssl/objects.h> #include <openssl/comp.h> 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); }
# | Change | User | Description | Committed | |
---|---|---|---|---|---|
#1 | 10713 | Robert Cowham |
Populate //guest/robert_cowham/openssl/1.0.1j/... from //guest/robert_cowham/openssl/main/.... |
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//guest/robert_cowham/openssl/main/crypto/comp/c_rle.c | |||||
#1 | 10711 | Robert Cowham | OpenSSL 1.0.1i |