2 * Copyright (c) 1995-2003, Index Data.
3 * See the file LICENSE for details.
5 * $Id: wrbuf.c,v 1.1 2003-10-27 12:21:36 adam Exp $
9 * Growing buffer for writing various stuff.
21 #include <yaz/wrbuf.h>
23 WRBUF wrbuf_alloc(void)
27 if (!(n = (WRBUF)xmalloc(sizeof(*n))))
35 void wrbuf_free(WRBUF b, int free_buf)
37 if (free_buf && b->buf)
42 void wrbuf_rewind(WRBUF b)
47 int wrbuf_grow(WRBUF b, int minsize)
57 if (b->size && !(b->buf =(char *)xrealloc(b->buf, b->size += togrow)))
59 else if (!b->size && !(b->buf = (char *)xmalloc(b->size = togrow)))
64 int wrbuf_write(WRBUF b, const char *buf, int size)
68 if (b->pos + size >= b->size)
70 memcpy(b->buf + b->pos, buf, size);
75 int wrbuf_puts(WRBUF b, const char *buf)
77 wrbuf_write(b, buf, strlen(buf)+1); /* '\0'-terminate as well */
78 (b->pos)--; /* don't include '\0' in count */
82 int wrbuf_xmlputs(WRBUF b, const char *cp)
89 wrbuf_puts(b, "<");
92 wrbuf_puts(b, ">");
95 wrbuf_puts(b, "&");
98 wrbuf_puts(b, """);
101 wrbuf_puts(b, "'");
113 void wrbuf_printf(WRBUF b, const char *fmt, ...)
120 _vsnprintf(buf, sizeof(buf)-1, fmt, ap);
124 vsnprintf(buf, sizeof(buf)-1, fmt, ap);
126 vsprintf(buf, fmt, ap);