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/* $Id$ */
/*
* Copyright (C) 2003-2006 Benny Prijono <benny@prijono.org>
*
* 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
*/
#ifndef __PJSIP_PRINT_H__
#define __PJSIP_PRINT_H__
/* Minimum space left in the buffer */
#define MIN_SPACE 10
#define copy_advance_check(buf,str) \
do { \
if ((str).slen+MIN_SPACE >= (endbuf-buf)) return -1; \
pj_memcpy(buf, (str).ptr, (str).slen); \
buf += (str).slen; \
} while (0)
/*
static char *imp_copy_advance_pair(char *buf, char *endbuf, const char *str1, int len1, const pj_str_t *str2)
{
if (str2->slen) {
int printed = len1+str2->slen;
if (printed+MIN_SPACE >= (endbuf-buf)) return NULL;
pj_memcpy(buf,str1,len1);
pj_memcpy(buf+len1, str2->ptr, str2->slen);
return buf + printed;
} else
return buf;
}
*/
#define copy_advance_pair_check(buf,str1,len1,str2) \
do { \
if (str2.slen) { \
printed = len1+str2.slen; \
if (printed+MIN_SPACE >= (endbuf-buf)) return -1; \
pj_memcpy(buf,str1,len1); \
pj_memcpy(buf+len1, str2.ptr, str2.slen); \
buf += printed; \
} \
} while (0)
/*
#define copy_advance_pair(buf,str1,len1,str2) \
do { \
buf = imp_copy_advance_pair(buf, endbuf, str1, len1, &str2); \
if (buf == NULL) return -1; \
} while (0)
*/
#define copy_advance_pair_quote_check(buf,str1,len1,str2,quotebegin,quoteend) \
do { \
if (str2.slen) { \
printed = len1+str2.slen+2; \
if (printed+MIN_SPACE >= (endbuf-buf)) return -1; \
pj_memcpy(buf,str1,len1); \
*(buf+len1)=quotebegin; \
pj_memcpy(buf+len1+1, str2.ptr, str2.slen); \
*(buf+printed-1) = quoteend; \
buf += printed; \
} \
} while (0)
#define copy_advance_pair_escape(buf,str1,len1,str2,unres) \
do { \
if (str2.slen) { \
pj_ssize_t esc_len; \
if (len1+str2.slen+MIN_SPACE >= (endbuf-buf)) return -1; \
pj_memcpy(buf,str1,len1); \
buf += len1; \
esc_len=pj_strncpy2_escape(buf, &str2, (endbuf-buf), &unres); \
if (esc_len < 0) return -1; \
buf += esc_len; \
if (endbuf-buf < MIN_SPACE) return -1; \
} \
} while (0)
#define copy_advance_no_check(buf,str) \
do { \
pj_memcpy(buf, (str).ptr, (str).slen); \
buf += (str).slen; \
} while (0)
#define copy_advance_escape(buf,str,unres) \
do { \
pj_ssize_t len = \
pj_strncpy2_escape(buf, &(str), (endbuf-buf), &(unres)); \
if (len < 0) return -1; \
buf += len; \
if (endbuf-buf < MIN_SPACE) return -1; \
} while (0)
#define copy_advance_pair_no_check(buf,str1,len1,str2) \
if (str2.slen) { \
pj_memcpy(buf,str1,len1); \
pj_memcpy(buf+len1, str2.ptr, str2.slen); \
buf += len1+str2.slen; \
}
#define copy_advance copy_advance_check
#define copy_advance_pair copy_advance_pair_check
#define copy_advance_pair_quote copy_advance_pair_quote_check
#define copy_advance_pair_quote_cond(buf,str1,len1,str2,quotebegin,quoteend) \
do { \
if (str2.slen && *str2.ptr!=quotebegin) \
copy_advance_pair_quote(buf,str1,len1,str2,quotebegin,quoteend); \
else \
copy_advance_pair(buf,str1,len1,str2); \
} while (0)
/*
* Internal type declarations.
*/
typedef void* (*pjsip_hdr_clone_fptr)(pj_pool_t *, const void*);
typedef int (*pjsip_hdr_print_fptr)(void *hdr, char *buf, pj_size_t len);
extern const pj_str_t pjsip_hdr_names[];
PJ_INLINE(void) init_hdr(void *hptr, pjsip_hdr_e htype, void *vptr)
{
pjsip_hdr *hdr = hptr;
hdr->type = htype;
hdr->name = hdr->sname = pjsip_hdr_names[htype];
hdr->vptr = vptr;
pj_list_init(hdr);
}
#endif /* __PJSIP_PRINT_H__ */
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