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/*
* Copyright (c) 2017-2019, SyLabs, Inc. All rights reserved.
*
* Copyright (c) 2016-2017, The Regents of the University of California,
* through Lawrence Berkeley National Laboratory (subject to receipt of any
* required approvals from the U.S. Dept. of Energy). All rights reserved.
*
* This software is licensed under a customized 3-clause BSD license. Please
* consult LICENSE.md file distributed with the sources of this project regarding
* your rights to use or distribute this software.
*
* NOTICE. This Software was developed under funding from the U.S. Department of
* Energy and the U.S. Government consequently retains certain rights. As such,
* the U.S. Government has been granted for itself and others acting on its
* behalf a paid-up, nonexclusive, irrevocable, worldwide license in the Software
* to reproduce, distribute copies to the public, prepare derivative works, and
* perform publicly and display publicly, and to permit other to do so.
*/
#define _GNU_SOURCE
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdarg.h>
#include <libgen.h>
#include "include/message.h"
int messagelevel = -99;
extern const char *__progname;
int count_digit(int n) {
int count = 0;
if ( n == 0 ) {
return 1;
}
count = 1;
while ( (n /= 10) ) {
count++;
}
return count;
}
void _print(int level, const char *function, const char *file_in, char *format, ...) {
const char *file = file_in;
char message[512];
char *prefix = NULL;
char *color = NULL;
char *color_reset = NULL;
char has_color = 1;
va_list args;
if ( messagelevel == -99 ) {
char *messagelevel_string = getenv(MSGLVL_ENV);
if ( messagelevel_string == NULL ) {
messagelevel = 5;
singularity_message(DEBUG, MSGLVL_ENV " undefined, setting level 5 (debug)\n");
} else {
messagelevel = atoi(messagelevel_string);
if ( messagelevel >= NO_COLOR ) {
messagelevel -= NO_COLOR;
has_color = 0;
} else if ( messagelevel <= -NO_COLOR ) {
messagelevel += NO_COLOR;
has_color = 0;
}
if ( messagelevel > 9 ) {
messagelevel = 9;
}
singularity_message(VERBOSE, "Set messagelevel to: %d\n", messagelevel);
}
}
if ( level == LOG && messagelevel <= INFO ) {
return;
}
va_start (args, format);
if (vsnprintf(message, 512, format, args) >= 512) {
memcpy(message+496, "(TRUNCATED...)", 15);
message[511] = '\0';
}
va_end (args);
while( ( ! isalpha(file[0]) ) && ( file[0] != '\0') ) {
file++;
}
switch (level) {
case ABRT:
prefix = "ABORT";
if ( has_color == 1 ) {
color = ANSI_COLOR_RED;
color_reset = ANSI_COLOR_RESET;
} else {
color = "";
color_reset = "";
}
break;
case ERROR:
prefix = "ERROR";
if ( has_color == 1 ) {
color = ANSI_COLOR_LIGHTRED;
color_reset = ANSI_COLOR_RESET;
} else {
color = "";
color_reset = "";
}
break;
case WARNING:
prefix = "WARNING";
if ( has_color == 1 ) {
color = ANSI_COLOR_YELLOW;
color_reset = ANSI_COLOR_RESET;
} else {
color = "";
color_reset = "";
}
break;
case LOG:
prefix = "LOG";
if ( has_color == 1 ) {
color = ANSI_COLOR_BLUE;
color_reset = ANSI_COLOR_RESET;
} else {
color = "";
color_reset = "";
}
break;
case DEBUG:
prefix = "DEBUG";
color = "";
color_reset = "";
break;
case INFO:
prefix = "INFO";
color = "";
color_reset = "";
break;
default:
prefix = "VERBOSE";
color = "";
color_reset = "";
break;
}
if ( level <= messagelevel ) {
char header_string[100];
if ( messagelevel >= DEBUG ) {
int count, funclen, length;
if ( function[0] == '_' ) {
function++;
}
count = 10 - count_digit(geteuid()) - count_digit(getpid());
if ( count < 0 ) {
count = 0;
}
funclen = 28 - strlen(function);
if ( funclen < 0 ) {
funclen = 0;
}
length = snprintf(header_string, 100, "%s%-7s [U=%d,P=%d] %*s %s() %*s", color, prefix, geteuid(), getpid(), count, "", function, funclen, "");
if ( length < 0 ) {
return;
} else if ( length > 100 ) {
header_string[99] = '\0';
}
header_string[length-1] = '\0';
} else {
snprintf(header_string, 15, "%s%-7s: ", color, prefix);
}
if ( level == INFO && messagelevel == INFO ) {
printf("%s%s", message, color_reset);
} else if ( level == INFO ) {
printf("%s%s%s", header_string, message, color_reset);
} else {
fprintf(stderr, "%s%s%s", header_string, message, color_reset);
}
fflush(stdout);
fflush(stderr);
}
if ( level == ABRT ) {
exit(255);
}
}
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