/*
scconfig - logging
Copyright (C) 2009 Tibor Palinkas
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Project page: http://repo.hu/projects/scconfig
Contact via email: scconfig [at] igor2.repo.hu
*/
#include "log.h"
#include <stdio.h>
#include <assert.h>
#include <stdarg.h>
#include <string.h>
char *spaces = " ";
FILE *logfile = NULL;
char *fn_log = "config.log";
void log_init(void)
{
if (fn_log != NULL) {
/* double open for truncate - for extreme portability, please do not "fix" */
logfile = fopen(fn_log, "w");
assert(logfile != NULL);
fclose(logfile);
logfile = fopen(fn_log, "a");
assert(logfile != NULL);
}
}
void log_uninit(void)
{
if (logfile != NULL)
fclose(logfile);
}
void logprintf(int depth, const char *format, ...)
{
va_list ap;
va_start(ap, format);
if (logfile != NULL) {
fprintf(logfile, "%s", logprefix(depth));
vfprintf(logfile, format, ap);
fflush(logfile);
}
va_end(ap);
}
void error(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
va_start(ap, format);
if (logfile != NULL) {
fprintf(logfile, "###error### ");
vfprintf(logfile, format, ap);
fflush(logfile);
}
va_end(ap);
}
void report(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vprintf(format, ap);
fflush(stdout);
va_end(ap);
va_start(ap, format);
if (logfile != NULL) {
fprintf(logfile, "###report### ");
vfprintf(logfile, format, ap);
fflush(logfile);
}
va_end(ap);
}
void log_merge(int logdepth, const char *fn)
{
FILE *f;
char line[2048];
int lines;
if (logfile == NULL)
return;
f = fopen(fn, "r");
if (f == NULL) {
logprintf(logdepth, "scconfig error: couldn't open %s for merging.\n", fn);
return;
}
lines = 0;
while(!(feof(f))) {
*line = '\0';
fgets(line, sizeof(line), f);
if (*line != '\0') {
if (lines == 0)
logprintf(logdepth, "========= output dump start ============\n");
lines++;
logprintf(logdepth, "%s", line);
/* Make sure we have newline at the end of each line */
if (line[strlen(line)-1] != '\n')
logprintf(0, "\n");
}
}
if (lines == 0)
logprintf(logdepth, "========= empty stderr =================\n");
else
logprintf(logdepth, "========= output dump end ==============\n");
fclose(f);
}