X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Fwrbuf.h;fp=include%2Fwrbuf.h;h=a8bccebe8f7dec527009e85f525eca8bacdd4677;hb=b22117b182e372c6d1adc77c7da6a1de508e8594;hp=0000000000000000000000000000000000000000;hpb=63cafe41a93427118959a74201b3e331169a71d9;p=yaz-moved-to-github.git diff --git a/include/wrbuf.h b/include/wrbuf.h new file mode 100644 index 0000000..a8bcceb --- /dev/null +++ b/include/wrbuf.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 1995, Index Data. + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation, in whole or in part, for any purpose, is hereby granted, + * provided that: + * + * 1. This copyright and permission notice appear in all copies of the + * software and its documentation. Notices of copyright or attribution + * which appear at the beginning of any file must remain unchanged. + * + * 2. The names of Index Data or the individual authors may not be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * IN NO EVENT SHALL INDEX DATA BE LIABLE FOR ANY SPECIAL, INCIDENTAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR + * NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF + * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + * + */ + +#ifndef WRBUF_H +#define WRBUF_H + +typedef struct wrbuf +{ + char *buf; + int pos; + int size; +} wrbuf, *WRBUF; + +WRBUF wrbuf_alloc(void); +void wrbuf_free(WRBUF b, int free_buf); +void wrbuf_rewind(WRBUF b); +int wrbuf_grow(WRBUF b, int minsize); +int wrbuf_write(WRBUF b, char *buf, int size); + +#define wrbuf_putc(b, c) \ + (((b)->pos >= (b)->size ? wrbuf_grow(b, 1) : 0), \ + (b)->buf[(b)->pos++] = (c), 0) + +#endif