void rpmlog (int code, const char *fmt, ...)
{
unsigned pri = RPMLOG_PRI(code);
unsigned mask = RPMLOG_MASK(pri);
int saverec = (pri <= RPMLOG_WARNING);
va_list ap;
int n;
rpmlogCtx ctx = rpmlogCtxAcquire(saverec);
if ((mask & ctx->mask) == 0)
goto exit;
va_start(ap, fmt);
n = vsnprintf(NULL, 0, fmt, ap);
va_end(ap);
if (n >= -1) {
struct rpmlogRec_s rec;
size_t nb = n + 1;
char *msg = xmalloc(nb);
va_start(ap, fmt);
n = vsnprintf(msg, nb, fmt, ap);
va_end(ap);
rec.code = code;
rec.pri = pri;
rec.message = msg;
dolog(ctx, &rec, saverec);
free(msg);
}
exit:
rpmlogCtxRelease(ctx);
}
/* FIX: rpmlogMsgPrefix[] may be NULL */
static void vrpmlog (unsigned code, const char *fmt, va_list ap)
{
unsigned pri = RPMLOG_PRI(code);
unsigned mask = RPMLOG_MASK(pri);
#ifdef NOTYET
unsigned fac = RPMLOG_FAC(code);
#endif
char *msgbuf, *msg;
int msgnb = BUFSIZ, nb;
int cbrc = RPMLOG_DEFAULT;
int needexit = 0;
struct rpmlogRec_s rec;
if ((mask & rpmlogMask) == 0)
return;
msgbuf = xmalloc(msgnb);
*msgbuf = '\0';
/* Allocate a sufficently large buffer for output. */
while (1) {
va_list apc;
va_copy(apc, ap);
nb = vsnprintf(msgbuf, msgnb, fmt, apc);
if (nb > -1 && nb < msgnb)
break;
if (nb > -1) /* glibc 2.1 (and later) */
msgnb = nb+1;
else /* glibc 2.0 */
msgnb *= 2;
msgbuf = xrealloc(msgbuf, msgnb);
va_end(apc);
}
msgbuf[msgnb - 1] = '\0';
msg = msgbuf;
rec.code = code;
rec.message = msg;
rec.pri = pri;
/* Save copy of all messages at warning (or below == "more important"). */
if (pri <= RPMLOG_WARNING) {
if (recs == NULL)
recs = xmalloc((nrecs+2) * sizeof(*recs));
else
recs = xrealloc(recs, (nrecs+2) * sizeof(*recs));
recs[nrecs].code = rec.code;
recs[nrecs].pri = rec.pri;
recs[nrecs].message = msg = xrealloc(msgbuf, strlen(msgbuf)+1);
msgbuf = NULL; /* XXX don't free at exit. */
recs[nrecs+1].code = 0;
recs[nrecs+1].message = NULL;
++nrecs;
}
if (_rpmlogCallback) {
cbrc = _rpmlogCallback(&rec, _rpmlogCallbackData);
needexit += cbrc & RPMLOG_EXIT;
}
if (cbrc & RPMLOG_DEFAULT) {
cbrc = rpmlogDefault(&rec);
needexit += cbrc & RPMLOG_EXIT;
}
msgbuf = _free(msgbuf);
if (needexit)
exit(EXIT_FAILURE);
}