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/** \ingroup rpmio
* \file rpmio/rpmlog.c
*/
#include "system.h"
#include <stdarg.h>
#include <rpmlog.h>
#include "debug.h"
static int nrecs = 0;
static rpmlogRec recs = NULL;
int rpmlogGetNrecs(void)
{
return nrecs;
}
int rpmlogCode(void)
{
if (recs != NULL && nrecs > 0)
return recs[nrecs-1].code;
return -1;
}
const char * rpmlogMessage(void)
{
if (recs != NULL && nrecs > 0)
return recs[nrecs-1].message;
return _("(no error)");
}
void rpmlogPrint(FILE *f)
{
int i;
if (f == NULL)
f = stderr;
if (recs)
for (i = 0; i < nrecs; i++) {
rpmlogRec rec = recs + i;
if (rec->message && *rec->message)
fprintf(f, " %s", rec->message);
}
}
void rpmlogClose (void)
{
int i;
if (recs)
for (i = 0; i < nrecs; i++) {
rpmlogRec rec = recs + i;
rec->message = _free(rec->message);
}
recs = _free(recs);
nrecs = 0;
}
void rpmlogOpen (const char *ident, int option,
int facility)
{
}
static unsigned rpmlogMask = RPMLOG_UPTO( RPMLOG_NOTICE );
#ifdef NOTYET
static unsigned rpmlogFacility = RPMLOG_USER;
#endif
int rpmlogSetMask (int mask)
{
int omask = rpmlogMask;
if (mask)
rpmlogMask = mask;
return omask;
}
static rpmlogCallback _rpmlogCallback = NULL;
rpmlogCallback rpmlogSetCallback(rpmlogCallback cb)
{
rpmlogCallback ocb = _rpmlogCallback;
_rpmlogCallback = cb;
return ocb;
}
static FILE * _stdlog = NULL;
FILE * rpmlogSetFile(FILE * fp)
{
FILE * ofp = _stdlog;
_stdlog = fp;
return ofp;
}
static char *rpmlogMsgPrefix[] = {
N_("fatal error: "),/*!< RPMLOG_EMERG */
N_("fatal error: "),/*!< RPMLOG_ALERT */
N_("fatal error: "),/*!< RPMLOG_CRIT */
N_("error: "), /*!< RPMLOG_ERR */
N_("warning: "), /*!< RPMLOG_WARNING */
"", /*!< RPMLOG_NOTICE */
"", /*!< RPMLOG_INFO */
"D: ", /*!< RPMLOG_DEBUG */
};
#if !defined(HAVE_VSNPRINTF)
static inline int vsnprintf(char * buf, int nb,
const char * fmt, va_list ap)
{
return vsprintf(buf, fmt, ap);
}
#endif
/* FIX: rpmlogMsgPrefix[] dependent, not unqualified */
/* 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;
FILE * msgout = (_stdlog ? _stdlog : stderr);
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;
/* 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 = code;
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) {
/* FIX: useless callback */
_rpmlogCallback();
return; /* XXX Preserve legacy rpmError behavior. */
}
}
/* rpmMessage behavior */
switch (pri) {
case RPMLOG_INFO:
case RPMLOG_NOTICE:
msgout = (_stdlog ? _stdlog : stdout);
break;
case RPMLOG_EMERG:
case RPMLOG_ALERT:
case RPMLOG_CRIT:
case RPMLOG_ERR: /* XXX Legacy rpmError behavior used stdout w/o prefix. */
case RPMLOG_WARNING:
case RPMLOG_DEBUG:
break;
}
if (rpmlogMsgPrefix[pri] && *rpmlogMsgPrefix[pri])
(void) fputs(_(rpmlogMsgPrefix[pri]), msgout);
(void) fputs(msg, msgout);
(void) fflush(msgout);
msgbuf = _free(msgbuf);
if (pri <= RPMLOG_CRIT)
exit(EXIT_FAILURE);
}
void rpmlog (int code, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
/* FIX: shrug */
vrpmlog(code, fmt, ap);
va_end(ap);
}
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