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got rid of a write system call

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git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@39 9a5d90b5-6617-0410-8a86-bb477d3ed2e3
This commit is contained in:
cameronrich
2006-11-19 00:32:10 +00:00
parent 3eaa68bfda
commit 73c11ecadb
6 changed files with 24 additions and 23 deletions
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14
ssl/crypto_misc.c
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@ -31,6 +31,8 @@
#include "wincrypt.h"
#endif
#define BM_RECORD_OFFSET 5 /* same as SSL_RECORD_SIZE */
#ifndef WIN32
static int rng_fd = -1;
#elif defined(CONFIG_WIN32_USE_CRYPTO_LIB)
@ -50,8 +52,9 @@ const char * const unsupported_str = "Error: feature not supported\n";
BUF_MEM buf_new()
{
BUF_MEM bm;
bm.data = (uint8_t *)malloc(2048); /* should be enough to start with */
bm.max_len = 2048;
bm.pre_data = (uint8_t *)malloc(2048); /* should be enough to start with */
bm.data = bm.pre_data+BM_RECORD_OFFSET; /* some space at the start */
bm.max_len = 2048-BM_RECORD_OFFSET;
bm.index = 0;
return bm;
}
@ -66,7 +69,9 @@ void buf_grow(BUF_MEM *bm, int len)
return;
}
bm->data = (uint8_t *)realloc(bm->data, len+1024); /* just to be sure */
/* add 1kB just to be sure */
bm->pre_data = (uint8_t *)realloc(bm->pre_data, len+1024+BM_RECORD_OFFSET);
bm->data = bm->pre_data+BM_RECORD_OFFSET;
bm->max_len = len+1024;
}
@ -75,7 +80,8 @@ void buf_grow(BUF_MEM *bm, int len)
*/
void buf_free(BUF_MEM *bm)
{
free(bm->data);
free(bm->pre_data);
bm->pre_data = NULL;
bm->data = NULL;
}