diff options
Diffstat (limited to 'src/dstring.c')
-rw-r--r-- | src/dstring.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/dstring.c b/src/dstring.c new file mode 100644 index 0000000..e614e83 --- /dev/null +++ b/src/dstring.c @@ -0,0 +1,111 @@ +/* + + kbs - Simple, easily fooled, POP3 spam filter + + Copyright (C) 2003 Ian Cowburn (ianc@noddybox.demon.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + ------------------------------------------------------------------------- + + Dynamic strings + +*/ +static const char id[]="$Id$"; + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <stdarg.h> +#include <ctype.h> + +#include <sys/types.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netinet/tcp.h> +#include <netdb.h> + +#include "global.h" +#include "dstring.h" +#include "util.h" + + +/* ---------------------------------------- CONSTANTS +*/ +#define BLOCKSIZE 512 + + +/* ---------------------------------------- INTERFACES +*/ +DString DSInit(void) +{ + DString ds; + + ds=Malloc(sizeof *ds); + + ds->len=0; + ds->text=Malloc(BLOCKSIZE); + ds->text[0]=0; + + return ds; +} + + +void DSFree(DString ds) +{ + free(ds->text); + free(ds); +} + + +DString DSReset(DString ds) +{ + DSFree(ds); + return DSInit(); +} + + +DString DSAddChar(DString to, char c) +{ + if (((to->len+2)%BLOCKSIZE)==0) + { + to->text=Realloc(to->text,(((to->len+2)/BLOCKSIZE)+1)*BLOCKSIZE); + } + + to->text[to->len++]=c; + to->text[to->len]=0; +} + + +DString DSAddCP(DString to, const char *from) +{ + to->len+=strlen(from); + to->text=Realloc(to->text,(((to->len+1)/BLOCKSIZE)+1)*BLOCKSIZE); + + strcat(to->text,from); +} + + +DString DSAddDS(DString to, const DString from) +{ + to->len+=from->len; + to->text=Realloc(to->text,(((to->len+1)/BLOCKSIZE)+1)*BLOCKSIZE); + + strcat(to->text,from->text); +} + + +/* END OF FILE */ |