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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/tads/tads2/error_handling.h"
namespace Glk {
namespace TADS {
namespace TADS2 {
/* format an error message, sprintf-style, using an erradef array */
int errfmt(char *outbuf, int outbufl, char *fmt, int argc, erradef *argv)
{
int outlen = 0;
int argi = 0;
int len;
char buf[20];
const char *p = nullptr;
char fmtchar;
while (*fmt != '\0' && outbufl > 1)
{
switch(*fmt)
{
case '\\':
++fmt;
len = 1;
switch(*fmt)
{
case '\0':
--fmt;
break;
case '\n':
p = "\n";
break;
case '\t':
p = "\t";
break;
default:
p = fmt;
break;
}
break;
case '%':
++fmt;
fmtchar = *fmt;
if (argi >= argc) fmtchar = 1; /* too many - ignore it */
switch(fmtchar)
{
case '\0':
--fmt;
len = 0;
break;
case '%':
p = "%";
len = 1;
break;
case 'd':
sprintf(buf, "%d", argv[argi].erraint);
len = strlen(buf);
p = buf;
break;
case 'u':
sprintf(buf, "%u", argv[argi].erraint);
len = strlen(buf);
p = buf;
break;
case 's':
p = argv[argi].errastr;
len = strlen(p);
break;
default:
p = "";
len = 0;
--argi;
break;
}
++argi;
break;
default:
p = fmt;
len = 1;
break;
}
/* copy output that was set up above */
if (len != 0)
{
if (outbufl >= len)
{
memcpy(outbuf, p, (size_t)len);
outbufl -= len;
outbuf += len;
}
else if (outbufl > 1)
{
memcpy(outbuf, p, (size_t)outbufl - 1);
outbufl = 1;
}
outlen += len;
}
++fmt;
}
/* add a null terminator */
if (outbufl != 0)
*outbuf++ = '\0';
/* return the length */
return outlen;
}
#if defined(DEBUG) && !defined(ERR_NO_MACRO)
#error longjmp unsupported in ScummVM
#endif /* DEBUG */
#ifdef ERR_NO_MACRO
/* base error signal function */
void errsign(errcxdef *ctx, int e, const char *facility)
{
strncpy(ctx->errcxptr->errfac, facility, ERRFACMAX);
ctx->errcxptr->errfac[ERRFACMAX] = '\0';
ctx->errcxofs = 0;
#if 0
longjmp(ctx->errcxptr->errbuf, e);
#else
error("Error - %s", facility);
#endif
}
/* signal an error with no arguments */
void errsigf(errcxdef *ctx, const char *facility, int e)
{
errargc(ctx, 0);
errsign(ctx, e, facility);
}
/* enter a string argument */
char *errstr(errcxdef *ctx, const char *str, int len)
{
char *ret = &ctx->errcxbuf[ctx->errcxofs];
memcpy(ret, str, (size_t)len);
ret[len] = '\0';
ctx->errcxofs += len + 1;
return(ret);
}
/* resignal current error */
void errrse1(errcxdef *ctx, errdef *fr)
{
errargc(ctx, fr->erraac);
memcpy(ctx->errcxptr->erraav, fr->erraav,
(size_t)(fr->erraac * sizeof(erradef)));
errsign(ctx, fr->errcode, fr->errfac);
}
/* log an error: base function */
void errlogn(errcxdef *ctx, int err, const char *facility)
{
ctx->errcxofs = 0;
(*ctx->errcxlog)(ctx->errcxlgc, facility, err, ctx->errcxptr->erraac,
ctx->errcxptr->erraav);
}
/* log an error with no arguments */
void errlogf(errcxdef *ctx, const char *facility, int err)
{
errargc(ctx, 0);
errlogn(ctx, err, facility);
}
#endif /* ERR_NO_MACRO */
} // End of namespace TADS2
} // End of namespace TADS
} // End of namespace Glk
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