133 lines
3.0 KiB
C
133 lines
3.0 KiB
C
/*
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scconfig - logging
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Copyright (C) 2009 Tibor Palinkas
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Project page: http://repo.hu/projects/scconfig
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Contact (email and IRC): http://igor2.repo.hu/contact.html
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*/
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#include "log.h"
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#include <stdio.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <string.h>
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char *spaces = " ";
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FILE *logfile = NULL;
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char *fn_log = "config.log";
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void log_init(void)
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{
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if (fn_log != NULL) {
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/* double open for truncate - for extreme portability, please do not "fix" */
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logfile = fopen(fn_log, "w");
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assert(logfile != NULL);
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fclose(logfile);
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logfile = fopen(fn_log, "a");
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assert(logfile != NULL);
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}
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}
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void log_uninit(void)
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{
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if (logfile != NULL)
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fclose(logfile);
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}
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void logprintf(int depth, const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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if (logfile != NULL) {
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fprintf(logfile, "%s", logprefix(depth));
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vfprintf(logfile, format, ap);
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fflush(logfile);
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}
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va_end(ap);
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}
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void error(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vfprintf(stderr, format, ap);
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va_end(ap);
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va_start(ap, format);
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if (logfile != NULL) {
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fprintf(logfile, "###error### ");
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vfprintf(logfile, format, ap);
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fflush(logfile);
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}
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va_end(ap);
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}
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void report(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vprintf(format, ap);
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fflush(stdout);
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va_end(ap);
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va_start(ap, format);
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if (logfile != NULL) {
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fprintf(logfile, "###report### ");
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vfprintf(logfile, format, ap);
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fflush(logfile);
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}
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va_end(ap);
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}
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void log_merge(int logdepth, const char *fn)
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{
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FILE *f;
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char line[2048];
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int lines;
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if (logfile == NULL)
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return;
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f = fopen(fn, "r");
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if (f == NULL) {
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logprintf(logdepth, "scconfig error: couldn't open %s for merging.\n", fn);
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return;
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}
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lines = 0;
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while(!(feof(f))) {
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*line = '\0';
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fgets(line, sizeof(line), f);
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if (*line != '\0') {
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if (lines == 0)
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logprintf(logdepth, "========= output dump start ============\n");
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lines++;
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logprintf(logdepth, "%s", line);
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/* Make sure we have newline at the end of each line */
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if (line[strlen(line)-1] != '\n')
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logprintf(0, "\n");
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}
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}
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if (lines == 0)
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logprintf(logdepth, "========= empty stderr =================\n");
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else
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logprintf(logdepth, "========= output dump end ==============\n");
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fclose(f);
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}
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