mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-29 18:48:27 -05:00
69 lines
1.2 KiB
C
Executable File
69 lines
1.2 KiB
C
Executable File
/* $OpenBSD: comp_lib.c,v 1.8 2014/11/03 16:58:28 tedu Exp $ */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <openssl/objects.h>
|
|
#include <openssl/comp.h>
|
|
|
|
COMP_CTX *
|
|
COMP_CTX_new(COMP_METHOD *meth)
|
|
{
|
|
COMP_CTX *ret;
|
|
|
|
if ((ret = calloc(1, sizeof(COMP_CTX))) == NULL) {
|
|
return (NULL);
|
|
}
|
|
ret->meth = meth;
|
|
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
|
|
free(ret);
|
|
ret = NULL;
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
void
|
|
COMP_CTX_free(COMP_CTX *ctx)
|
|
{
|
|
if (ctx == NULL)
|
|
return;
|
|
|
|
if (ctx->meth->finish != NULL)
|
|
ctx->meth->finish(ctx);
|
|
|
|
free(ctx);
|
|
}
|
|
|
|
int
|
|
COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
|
|
unsigned char *in, int ilen)
|
|
{
|
|
int ret;
|
|
|
|
if (ctx->meth->compress == NULL) {
|
|
return (-1);
|
|
}
|
|
ret = ctx->meth->compress(ctx, out, olen, in, ilen);
|
|
if (ret > 0) {
|
|
ctx->compress_in += ilen;
|
|
ctx->compress_out += ret;
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
|
|
unsigned char *in, int ilen)
|
|
{
|
|
int ret;
|
|
|
|
if (ctx->meth->expand == NULL) {
|
|
return (-1);
|
|
}
|
|
ret = ctx->meth->expand(ctx, out, olen, in, ilen);
|
|
if (ret > 0) {
|
|
ctx->expand_in += ilen;
|
|
ctx->expand_out += ret;
|
|
}
|
|
return (ret);
|
|
}
|