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message.c
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message.c
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* */
/* This1 file is part of the program and library */
/* SCIP --- Solving Constraint Integer Programs */
/* */
/* Copyright (C) 2002-2014 Konrad-Zuse-Zentrum */
/* fuer Informationstechnik Berlin */
/* */
/* SCIP is distributed under the terms of the ZIB Academic License. */
/* */
/* You should have received a copy of the ZIB Academic License */
/* along with SCIP; see the file COPYING. If not email to scip@zib.de. */
/* */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/**@file message.c
* @brief message output methods
* @author Tobias Achterberg
* @author Marc Pfetsch
* @author Michael Winkler
*/
/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
#include <stdarg.h>
#include <stdio.h>
#include <assert.h>
#include "scip/type_message.h"
#include "scip/struct_message.h"
#include "scip/def.h"
#include "scip/pub_misc.h"
#include "blockmemshell/memory.h"
#ifndef va_copy
#define va_copy(dest, src) do { BMScopyMemory(&dest, &src); } while( 0 )
#endif
/* do defines for windows directly her to make the lpi more independent*/
#if defined(_WIN32) || defined(_WIN64)
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#endif
/** handles the output of the given message */
static
void handleMessage(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
SCIP_DECL_MESSAGEOUTPUTFUNC(outputfunc), /**< message handler function used for output */
FILE* file1, /**< file stream to print into, or NULL for stdout */
SCIP_Bool usefile1, /**< Should file1 be used? */
FILE* file2, /**< file stream to print into */
SCIP_Bool usefile2, /**< Should file2 be used? */
const char* msg, /**< message to print; NULL to flush the output buffer */
char* buffer, /**< message buffer */
int* bufferlen /**< pointer to the currently used entries in the message buffer */
)
{
const char* s;
assert( messagehdlr != NULL );
assert( outputfunc != NULL );
assert( !usefile2 || file2 != NULL );
assert( buffer == NULL || bufferlen != NULL );
/* if we do not have a buffer directly output the message */
if ( buffer == NULL )
{
/* we do not have a buffer, so it makes no sense to flush it if msg == NULL */
if ( msg != NULL )
{
if ( usefile1 )
outputfunc(messagehdlr, file1, msg);
if ( usefile2 )
outputfunc(messagehdlr, file2, msg);
}
return;
}
assert(bufferlen != NULL);
/* should the buffer be flushed? */
if ( msg == NULL )
{
assert( *bufferlen < SCIP_MAXSTRLEN );
assert( buffer[*bufferlen] == '\0' );
if ( usefile1 )
outputfunc(messagehdlr, file1, buffer);
if ( usefile2 )
outputfunc(messagehdlr, file2, buffer);
*bufferlen = 0;
buffer[0] = '\0';
return;
}
assert( msg != NULL && buffer != NULL );
/* if no output is activated, to not copy message into buffer */
if ( ! usefile1 && ! usefile2 )
return;
/* determine message length and last newline (if any) */
s = msg;
while ( *s != '\0' )
{
/* if we reached a newline or the size limit, empty buffer and reset (need possibly space for newline and '\0') */
if ( *s == '\n' || *bufferlen >= SCIP_MAXSTRLEN-2 )
{
if ( *s == '\n' )
buffer[(*bufferlen)++] = *(s++);
buffer[*bufferlen] = '\0';
if ( usefile1 )
outputfunc(messagehdlr, file1, buffer);
if ( usefile2 )
outputfunc(messagehdlr, file2, buffer);
*bufferlen = 0;
buffer[0] = '\0';
}
else
buffer[(*bufferlen)++] = *(s++);
}
buffer[*bufferlen] = '\0';
return;
}
/** default error printing method which is used to print all occurring errors */
static
SCIP_DECL_ERRORPRINTING(errorPrintingDefault)
{ /*lint --e{715}*/
if ( msg != NULL )
fputs(msg, stderr);
fflush(stderr);
}
/** static variable which holds the error printing method */
static SCIP_DECL_ERRORPRINTING((*staticErrorPrinting)) = errorPrintingDefault;
/** static variable which holds a data pointer for the error prinint callback */
static void* staticErrorPrintingData = NULL;
/** prints error message with the current message handler, or buffers the message if no newline exists */
static
void messagePrintError(
const char* msg /**< message to print; NULL to flush the output buffer */
)
{
if( staticErrorPrinting != NULL )
staticErrorPrinting(msg, staticErrorPrintingData);
}
/** prints warning message with the current message handler, or buffers the message if no newline exists */
static
void messagePrintWarning(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* msg /**< message to print; NULL to flush the output buffer */
)
{ /*lint --e{715}*/
if ( messagehdlr != NULL && messagehdlr->messagewarning != NULL && (! messagehdlr->quiet || messagehdlr->logfile != NULL) )
{
handleMessage(messagehdlr, messagehdlr->messagewarning, stderr, ! messagehdlr->quiet, messagehdlr->logfile, (messagehdlr->logfile != NULL),
msg, messagehdlr->warningbuffer, &messagehdlr->warningbufferlen);
}
}
/** prints dialog message with the current message handler, or buffers the message if no newline exists */
static
void messagePrintDialog(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* msg /**< message to print; NULL to flush the output buffer */
)
{ /*lint --e{715}*/
if ( messagehdlr != NULL && messagehdlr->messagedialog != NULL )
{
if ( (file == NULL || file == stdout) && ! messagehdlr->quiet )
{
handleMessage(messagehdlr, messagehdlr->messagedialog, (file == NULL) ? stdout : file, TRUE, messagehdlr->logfile, (messagehdlr->logfile != NULL),
msg, messagehdlr->dialogbuffer, &messagehdlr->dialogbufferlen);
}
else if ( msg != NULL )
{
/* file output cannot be buffered because the output file may change */
if ( *msg != '\0' )
{
handleMessage(messagehdlr, messagehdlr->messagedialog, file, ! messagehdlr->quiet, messagehdlr->logfile, (messagehdlr->logfile != NULL), msg, NULL, NULL);
}
}
}
}
/** prints info message with the current message handler, or buffers the message if no newline exists */
static
void messagePrintInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* msg /**< message to print; NULL to flush the output buffer */
)
{ /*lint --e{715}*/
if ( messagehdlr != NULL && messagehdlr->messageinfo != NULL )
{
if ( (file == NULL || file == stdout) && ! messagehdlr->quiet )
{
handleMessage(messagehdlr, messagehdlr->messageinfo, (file == NULL) ? stdout : file, TRUE, messagehdlr->logfile, (messagehdlr->logfile != NULL),
msg, messagehdlr->infobuffer, &messagehdlr->infobufferlen);
}
else if ( msg != NULL )
{
/* file output cannot be buffered because the output file may change or the message is to long */
if ( *msg != '\0' )
{
handleMessage(messagehdlr, messagehdlr->messagedialog, file, ! messagehdlr->quiet, messagehdlr->logfile, (messagehdlr->logfile != NULL), msg, NULL, NULL);
}
}
}
}
/** if the given file is not NULL a log file is opened */
static
void messagehdlrOpenLogfile(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* filename /**< name of log file, or NULL (stdout) */
)
{
if( filename != NULL )
{
messagehdlr->logfile = fopen(filename, "a"); /* append to log file */
if( messagehdlr->logfile == NULL )
{
SCIPerrorMessage("cannot open log file <%s> for writing\n", filename);
}
}
else
messagehdlr->logfile = NULL;
}
/** frees message handler */
static
SCIP_RETCODE messagehdlrFree(
SCIP_MESSAGEHDLR** messagehdlr /**< pointer to the message handler */
)
{
assert(messagehdlr != NULL);
if( *messagehdlr != NULL )
{
/* flush message buffers */
messagePrintWarning(*messagehdlr, NULL);
messagePrintDialog(*messagehdlr, NULL, NULL);
messagePrintInfo(*messagehdlr, NULL, NULL);
if( (*messagehdlr)->messagehdlrfree != NULL )
{
/* call destructor method of message handler to free the message handler data */
SCIP_CALL( (*messagehdlr)->messagehdlrfree(*messagehdlr) );
}
/* close the log file if one exists */
if( (*messagehdlr)->logfile != NULL )
{
fclose((*messagehdlr)->logfile);
}
/* free buffer arrays */
BMSfreeMemoryArrayNull(&(*messagehdlr)->warningbuffer);
BMSfreeMemoryArrayNull(&(*messagehdlr)->dialogbuffer);
BMSfreeMemoryArrayNull(&(*messagehdlr)->infobuffer);
BMSfreeMemory(messagehdlr);
}
return SCIP_OKAY;
}
/** Creates and captures a message handler which deals with warning, information, and dialog (interactive shell) methods.
*
* @note The message handler does not handle error messages; see SCIPmessageSetErrorPrinting()
*/
SCIP_RETCODE SCIPmessagehdlrCreate(
SCIP_MESSAGEHDLR** messagehdlr, /**< pointer to store the message handler */
SCIP_Bool bufferedoutput, /**< should the output be buffered up to the next newline? */
const char* filename, /**< name of log file, or NULL for no log */
SCIP_Bool quiet, /**< should screen messages be suppressed? */
SCIP_DECL_MESSAGEWARNING((*messagewarning)),/**< warning message print method of message handler */
SCIP_DECL_MESSAGEDIALOG((*messagedialog)),/**< dialog message print method of message handler */
SCIP_DECL_MESSAGEINFO ((*messageinfo)), /**< info message print method of message handler */
SCIP_DECL_MESSAGEHDLRFREE((*messagehdlrfree)), /**< destructor of message handler to free message handler data */
SCIP_MESSAGEHDLRDATA* messagehdlrdata /**< message handler data */
)
{
SCIP_ALLOC( BMSallocMemory(messagehdlr) );
(*messagehdlr)->messagewarning = messagewarning;
(*messagehdlr)->messagedialog = messagedialog;
(*messagehdlr)->messageinfo = messageinfo;
(*messagehdlr)->messagehdlrfree = messagehdlrfree;
(*messagehdlr)->messagehdlrdata = messagehdlrdata;
(*messagehdlr)->warningbuffer = NULL;
(*messagehdlr)->dialogbuffer = NULL;
(*messagehdlr)->infobuffer = NULL;
(*messagehdlr)->warningbufferlen = 0;
(*messagehdlr)->dialogbufferlen = 0;
(*messagehdlr)->infobufferlen = 0;
(*messagehdlr)->nuses = 1;
(*messagehdlr)->quiet = quiet;
messagehdlrOpenLogfile(*messagehdlr, filename);
/* allocate buffer for buffered output */
if( bufferedoutput )
{
SCIP_ALLOC( BMSallocMemoryArray(&(*messagehdlr)->warningbuffer, SCIP_MAXSTRLEN) ); /*lint !e506*/
SCIP_ALLOC( BMSallocMemoryArray(&(*messagehdlr)->dialogbuffer, SCIP_MAXSTRLEN) ); /*lint !e506*/
SCIP_ALLOC( BMSallocMemoryArray(&(*messagehdlr)->infobuffer, SCIP_MAXSTRLEN) ); /*lint !e506*/
(*messagehdlr)->warningbuffer[0] = '\0';
(*messagehdlr)->dialogbuffer[0] = '\0';
(*messagehdlr)->infobuffer[0] = '\0';
}
return SCIP_OKAY;
}
/** captures message handler */
void SCIPmessagehdlrCapture(
SCIP_MESSAGEHDLR* messagehdlr /**< message handler, or NULL */
)
{
if( messagehdlr != NULL )
++messagehdlr->nuses;
}
/** releases message handler */
SCIP_RETCODE SCIPmessagehdlrRelease(
SCIP_MESSAGEHDLR** messagehdlr /**< pointer to the message handler */
)
{
assert(messagehdlr != NULL);
if( *messagehdlr == NULL )
return SCIP_OKAY;
assert((*messagehdlr)->nuses >= 1);
/* decrement usage counter */
--(*messagehdlr)->nuses;
/* the last one turns the light off */
if( (*messagehdlr)->nuses == 0 )
{
SCIP_CALL( messagehdlrFree(messagehdlr) );
assert(*messagehdlr == NULL);
}
else
{
*messagehdlr = NULL;
}
return SCIP_OKAY;
}
/** sets the user data of the message handler */
SCIP_RETCODE SCIPmessagehdlrSetData(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler; must not be NULL */
SCIP_MESSAGEHDLRDATA* messagehdlrdata /**< new message handler data to attach to the handler */
)
{
assert(messagehdlr != NULL);
if( messagehdlr == NULL ) /*lint !e774*/
return SCIP_INVALIDDATA;
messagehdlr->messagehdlrdata = messagehdlrdata;
return SCIP_OKAY;
}
/** sets the log file name for the message handler */
void SCIPmessagehdlrSetLogfile(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* filename /**< log file name where to copy messages into, or NULL */
)
{
assert(messagehdlr != NULL);
/* close the old log file if one exists */
if( messagehdlr->logfile != NULL )
{
fclose(messagehdlr->logfile);
}
/* opens the log file */
messagehdlrOpenLogfile(messagehdlr, filename);
}
/** sets the messages handler to be quiet */
void SCIPmessagehdlrSetQuiet(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
SCIP_Bool quiet /**< should screen messages be suppressed? */
)
{
assert(messagehdlr != NULL);
/* flush message buffers in order to not loose information */
messagePrintWarning(messagehdlr, NULL);
messagePrintDialog(messagehdlr, NULL, NULL);
messagePrintInfo(messagehdlr, NULL, NULL);
messagehdlr->quiet = quiet;
}
/** prints a warning message, acting like the printf() command */
void SCIPmessagePrintWarning(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintWarning(messagehdlr, formatstr, ap);
va_end(ap);
}
/** prints a warning message, acting like the vprintf() command */
void SCIPmessageVPrintWarning(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
SCIPmessageVFPrintWarning(messagehdlr, formatstr, ap);
}
/** prints a warning message, acting like the fprintf() command */
void SCIPmessageFPrintWarning(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintWarning(messagehdlr, formatstr, ap);
va_end(ap);
}
/** prints a warning message, acting like the vfprintf() command */
void SCIPmessageVFPrintWarning(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
char msg[SCIP_MAXSTRLEN];
int n;
va_list aq;
va_copy(aq, ap);
n = vsnprintf(msg, SCIP_MAXSTRLEN, formatstr, ap);
if( n < 0 )
msg[SCIP_MAXSTRLEN-1] = '\0';
else if( n >= SCIP_MAXSTRLEN )
{
char* bigmsg;
#ifndef NDEBUG
int m;
#endif
if( BMSallocMemorySize(&bigmsg, n+1) == NULL )
{
va_end(aq);
return;
}
#ifndef NDEBUG
m = vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#else
vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#endif
assert(m == n);
va_end(aq);
messagePrintWarning(messagehdlr, bigmsg);
BMSfreeMemory(&bigmsg);
return;
}
messagePrintWarning(messagehdlr, msg);
va_end(aq);
}
/** prints a dialog message that requests user interaction, acting like the printf() command */
void SCIPmessagePrintDialog(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintDialog(messagehdlr, NULL, formatstr, ap);
va_end(ap);
}
/** prints a dialog message that requests user interaction, acting like the vprintf() command */
void SCIPmessageVPrintDialog(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
SCIPmessageVFPrintDialog(messagehdlr, NULL, formatstr, ap);
}
/** prints a dialog message that requests user interaction into a file, acting like the fprintf() command */
void SCIPmessageFPrintDialog(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintDialog(messagehdlr, file, formatstr, ap);
va_end(ap);
}
/** prints a dialog message that requests user interaction into a file, acting like the vfprintf() command */
void SCIPmessageVFPrintDialog(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
char msg[SCIP_MAXSTRLEN];
int n;
va_list aq;
va_copy(aq, ap);
n = vsnprintf(msg, SCIP_MAXSTRLEN, formatstr, ap);
if( n < 0 )
msg[SCIP_MAXSTRLEN-1] = '\0';
else if( n >= SCIP_MAXSTRLEN )
{
char* bigmsg;
#ifndef NDEBUG
int m;
#endif
if( BMSallocMemorySize(&bigmsg, n+1) == NULL )
{
va_end(aq);
return;
}
#ifndef NDEBUG
m = vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#else
vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#endif
assert(m == n);
va_end(aq);
messagePrintDialog(messagehdlr, file, bigmsg);
BMSfreeMemory(&bigmsg);
return;
}
messagePrintDialog(messagehdlr, file, msg);
va_end(aq);
}
/** prints a message, acting like the printf() command */
void SCIPmessagePrintInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintInfo(messagehdlr, NULL, formatstr, ap);
va_end(ap);
}
/** prints a message, acting like the vprintf() command */
void SCIPmessageVPrintInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
SCIPmessageVFPrintInfo(messagehdlr, NULL, formatstr, ap);
}
/** prints a message into a file, acting like the fprintf() command */
void SCIPmessageFPrintInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintInfo(messagehdlr, file, formatstr, ap);
va_end(ap);
}
/** prints a message into a file, acting like the vfprintf() command */
void SCIPmessageVFPrintInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
char msg[SCIP_MAXSTRLEN];
int n;
va_list aq;
va_copy(aq, ap);
n = vsnprintf(msg, SCIP_MAXSTRLEN, formatstr, ap);
if( n < 0 )
msg[SCIP_MAXSTRLEN-1] = '\0';
else if( n >= SCIP_MAXSTRLEN )
{
char* bigmsg;
#ifndef NDEBUG
int m;
#endif
if( BMSallocMemorySize(&bigmsg, n+1) == NULL )
{
va_end(aq);
return;
}
#ifndef NDEBUG
m = vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#else
vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#endif
assert(m == n);
va_end(aq);
messagePrintInfo(messagehdlr, file, bigmsg);
BMSfreeMemory(&bigmsg);
return;
}
messagePrintInfo(messagehdlr, file, msg);
va_end(aq);
}
/** prints a message depending on the verbosity level, acting like the printf() command */
void SCIPmessagePrintVerbInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
SCIP_VERBLEVEL verblevel, /**< current verbosity level */
SCIP_VERBLEVEL msgverblevel, /**< verbosity level of this message */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintVerbInfo(messagehdlr, verblevel, msgverblevel, NULL, formatstr, ap);
va_end(ap);
}
/** prints a message depending on the verbosity level, acting like the vprintf() command */
void SCIPmessageVPrintVerbInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
SCIP_VERBLEVEL verblevel, /**< current verbosity level */
SCIP_VERBLEVEL msgverblevel, /**< verbosity level of this message */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
SCIPmessageVFPrintVerbInfo(messagehdlr, verblevel, msgverblevel, NULL, formatstr, ap);
}
/** prints a message into a file depending on the verbosity level, acting like the fprintf() command */
void SCIPmessageFPrintVerbInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
SCIP_VERBLEVEL verblevel, /**< current verbosity level */
SCIP_VERBLEVEL msgverblevel, /**< verbosity level of this message */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVFPrintVerbInfo(messagehdlr, verblevel, msgverblevel, file, formatstr, ap);
va_end(ap);
}
/** prints a message into a file depending on the verbosity level, acting like the vfprintf() command */
void SCIPmessageVFPrintVerbInfo(
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
SCIP_VERBLEVEL verblevel, /**< current verbosity level */
SCIP_VERBLEVEL msgverblevel, /**< verbosity level of this message */
FILE* file, /**< file stream to print into, or NULL for stdout */
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
assert(msgverblevel > SCIP_VERBLEVEL_NONE);
assert(msgverblevel <= SCIP_VERBLEVEL_FULL);
assert(verblevel <= SCIP_VERBLEVEL_FULL);
if( msgverblevel <= verblevel )
{
char msg[SCIP_MAXSTRLEN];
int n;
va_list aq;
va_copy(aq, ap);
n = vsnprintf(msg, SCIP_MAXSTRLEN, formatstr, ap);
if( n < 0 )
msg[SCIP_MAXSTRLEN-1] = '\0';
else if( n >= SCIP_MAXSTRLEN )
{
char* bigmsg;
#ifndef NDEBUG
int m;
#endif
if( BMSallocMemorySize(&bigmsg, n+1) == NULL )
{
va_end(aq);
return;
}
#ifndef NDEBUG
m = vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#else
vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#endif
assert(m == n);
va_end(aq);
messagePrintInfo(messagehdlr, file, bigmsg);
BMSfreeMemory(&bigmsg);
return;
}
messagePrintInfo(messagehdlr, file, msg);
va_end(aq);
}
}
/** prints the header with source file location for an error message using the static message handler */
void SCIPmessagePrintErrorHeader(
const char* sourcefile, /**< name of the source file that called the function */
int sourceline /**< line in the source file where the function was called */
)
{
char msg[SCIP_MAXSTRLEN];
/* safe string printing - do not use SCIPsnprintf() since message.c should be independent */
(void) snprintf(msg, SCIP_MAXSTRLEN, "[%s:%d] ERROR: ", sourcefile, sourceline);
msg[SCIP_MAXSTRLEN-1] = '\0';
messagePrintError(msg);
}
/** prints a error message, acting like the printf() command */
void SCIPmessagePrintError(
const char* formatstr, /**< format string like in printf() function */
... /**< format arguments line in printf() function */
)
{
va_list ap;
va_start(ap, formatstr); /*lint !e826*/
SCIPmessageVPrintError(formatstr, ap);
va_end(ap);
}
/** prints an error message, acting like the vprintf() command using the static message handler */
void SCIPmessageVPrintError(
const char* formatstr, /**< format string like in printf() function */
va_list ap /**< variable argument list */
)
{
char msg[SCIP_MAXSTRLEN];
int n;
va_list aq;
va_copy(aq, ap);
n = vsnprintf(msg, SCIP_MAXSTRLEN, formatstr, ap);
if( n < 0 )
msg[SCIP_MAXSTRLEN-1] = '\0';
else if( n >= SCIP_MAXSTRLEN )
{
char* bigmsg;
#ifndef NDEBUG
int m;
#endif
if( BMSallocMemorySize(&bigmsg, n+1) == NULL )
{
va_end(aq);
return;
}
#ifndef NDEBUG
m = vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#else
vsnprintf(bigmsg, (size_t) n+1, formatstr, aq);
#endif
assert(m == n);
va_end(aq);
messagePrintError(bigmsg);
BMSfreeMemory(&bigmsg);
return;
}
messagePrintError(msg);
va_end(aq);
}
/** Method to set the error printing method. Setting the error printing method to NULL will suspend all error methods.
*
* @note The error printing method is static variable. That means all occurring errors are handled via that methods
*/
void SCIPmessageSetErrorPrinting(
SCIP_DECL_ERRORPRINTING((*errorPrinting)),/**< error message print method of message handler, or NULL */
void* data /**< data pointer which will be passed to the error printing method, or NULL */
)
{
staticErrorPrinting = errorPrinting;
staticErrorPrintingData = data;
}
/** Method to set the error printing method to default version prints everything the stderr.
*
* @note The error printing method is a static variable. This means that all occurring errors are handled via this method.
*/
void SCIPmessageSetErrorPrintingDefault(
void
)
{
staticErrorPrinting = errorPrintingDefault;
staticErrorPrintingData = NULL;
}
/*
* simple functions implemented as defines
*/
/* In debug mode, the following methods are implemented as function calls to ensure
* type validity.
* In optimized mode, the methods are implemented as defines to improve performance.
* However, we want to have them in the library anyways, so we have to undef the defines.
*/
#undef SCIPmessagehdlrGetData
#undef SCIPmessagehdlrGetLogfile
#undef SCIPmessagehdlrIsQuiet
/** returns the user data of the message handler */
SCIP_MESSAGEHDLRDATA* SCIPmessagehdlrGetData(
SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
)
{
if( messagehdlr != NULL )
return messagehdlr->messagehdlrdata;
else
return NULL;
}
/** returns the log file or NULL for stdout */
FILE* SCIPmessagehdlrGetLogfile(
SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
)
{
if( messagehdlr == NULL )
return NULL;
return messagehdlr->logfile;
}
/** returns TRUE if the message handler is set to be quiet */
SCIP_Bool SCIPmessagehdlrIsQuiet(
SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
)
{
return (messagehdlr == NULL || messagehdlr->quiet);
}