/* * Copyright (C) 2002 Nigel Horne <njh@bandsman.co.uk> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $LOG$ */ static char const rcsid[] = "$Id: blob.c,v 1.4 2004/02/06 13:46:08 kojm Exp $"; #if HAVE_CONFIG_H #include "clamav-config.h" #endif #include <stdlib.h> #include <string.h> #if C_DARWIN #include <sys/types.h> #include <sys/malloc.h> #else #ifdef HAVE_MALLOC_H /* tk: FreeBSD-CURRENT doesn't support malloc.h */ #include <malloc.h> #endif #endif #include "mbox.h" #include "blob.h" #include "others.h" /*#define OPTIMIZE_SPACE /* for machines short of RAM */ #ifndef CL_DEBUG #define NDEBUG /* map CLAMAV debug onto standard */ #endif #include <assert.h> blob * blobCreate(void) { #ifdef CL_DEBUG blob *b = (blob *)cli_calloc(1, sizeof(blob)); b->magic = BLOB; cli_dbgmsg("blobCreate\n"); return b; #else return (blob *)cli_calloc(1, sizeof(blob)); #endif } void blobDestroy(blob *b) { #ifdef CL_DEBUG cli_dbgmsg("blobDestroy %d\n", b->magic); #else cli_dbgmsg("blobDestroy\n"); #endif assert(b != NULL); assert(b->magic == BLOB); if(b->name) free(b->name); if(b->data) free(b->data); #ifdef CL_DEBUG b->magic = INVALID; #endif free(b); } void blobArrayDestroy(blob *blobList[], int n) { while(--n >= 0) { cli_dbgmsg("blobArrayDestroy: %d\n", n); if(blobList[n]) { blobDestroy(blobList[n]); blobList[n] = NULL; } } } void blobSetFilename(blob *b, const char *filename) { char *ptr; assert(b != NULL); assert(b->magic == BLOB); assert(filename != NULL); if(b->name) free(b->name); b->name = strdup(filename); assert(b->name != NULL); for(ptr = b->name; *ptr; ptr++) { #ifdef MSDOS if((*ptr == '/') || (*ptr == '\\')) #else if(*ptr == '/') #endif *ptr = '_'; } cli_dbgmsg("blobSetFilename: %s\n", filename); } const char * blobGetFilename(const blob *b) { assert(b != NULL); assert(b->magic == BLOB); return(b->name); } void blobAddData(blob *b, const unsigned char *data, size_t len) { assert(b != NULL); assert(b->magic == BLOB); assert(data != NULL); if(len == 0) return; if(b->data == NULL) { assert(b->len == 0); #ifdef OPTIMIZE_SPACE b->size = len * 4; #else b->size = 128 * 1024; #endif b->data = cli_malloc(b->size); } else if(b->size < b->len + len) { #ifdef OPTIMIZE_SPACE b->size += len * 4; #else b->size += 128 * 1024; #endif b->data = cli_realloc(b->data, b->size); } assert(b->data != NULL); memcpy(&b->data[b->len], data, len); b->len += len; } unsigned char * blobGetData(const blob *b) { assert(b != NULL); assert(b->magic == BLOB); return(b->data); } unsigned long blobGetDataSize(const blob *b) { assert(b != NULL); assert(b->magic == BLOB); return(b->len); }