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authorWerner Koch <wk@gnupg.org>2000-01-24 13:05:50 +0100
committerWerner Koch <wk@gnupg.org>2000-01-24 13:05:50 +0100
commit54b141f63e3fda38b6e780d0f47c192c6542a49b (patch)
treee80be78a69a8dc5c9286da4d4590ec7491c63b39 /jnlib/logging.c
parentSee ChangeLog: Mon Jan 24 13:04:28 CET 2000 Werner Koch (diff)
downloadgnupg2-54b141f63e3fda38b6e780d0f47c192c6542a49b.tar.xz
gnupg2-54b141f63e3fda38b6e780d0f47c192c6542a49b.zip
Add files to new directory.
This is mainly stuff moved from ../util to here.
Diffstat (limited to 'jnlib/logging.c')
-rw-r--r--jnlib/logging.c241
1 files changed, 241 insertions, 0 deletions
diff --git a/jnlib/logging.c b/jnlib/logging.c
new file mode 100644
index 000000000..7de36fbc6
--- /dev/null
+++ b/jnlib/logging.c
@@ -0,0 +1,241 @@
+/* logging.c - useful logging functions
+ * Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+/* This file should replace logger.c in the future - for now it is not
+ * used GnuPG.
+ * It is a quite simple implemenation but sufficient for most purposes.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <time.h>
+
+#include "libjnlib-config.h"
+#include "logging.h"
+
+enum my_log_levels {
+ MY_LOG_BEGIN, /* only print the timestamp if configured */
+ MY_LOG_CONT,
+ MY_LOG_INFO,
+ MY_LOG_WARN,
+ MY_LOG_ERROR,
+ MY_LOG_FATAL,
+ MY_LOG_BUG,
+ MY_LOG_DEBUG
+};
+
+static FILE *logstream;
+static int use_time;
+static int missing_lf;
+
+#if 0
+static void
+write2stderr( const char *s )
+{
+ write( 2, s, strlen(s) );
+}
+
+
+static void
+do_die(int rc, const char *text )
+{
+ write2stderr("\nFatal error: ");
+ write2stderr(text);
+ write2stderr("\n");
+ abort();
+}
+#endif
+
+void
+log_set_file( const char *name )
+{
+ FILE *fp = (name && strcmp(name,"-"))? fopen(name, "a") : stderr;
+ if( !fp ) {
+ fprintf(stderr, "failed to open log file `%s': %s\n",
+ name, strerror(errno));
+ return;
+ }
+ setvbuf( fp, NULL, _IOLBF, 0 );
+
+ if( logstream && logstream != stderr )
+ fclose( logstream );
+ logstream = fp;
+ use_time = fp != stderr;
+ missing_lf = 0;
+}
+
+
+int
+log_get_fd()
+{
+ return fileno(logstream?logstream:stderr);
+}
+
+static void
+do_logv( int level, const char *fmt, va_list arg_ptr )
+{
+ if( !logstream )
+ logstream = stderr;
+
+ if( missing_lf && level != MY_LOG_CONT )
+ putc('\n', logstream );
+ missing_lf = 0;
+
+ if( use_time && level != MY_LOG_CONT ) {
+ /* Note this does not work for multiple line logging as we would
+ * need to print to a buffer first */
+ struct tm *tp;
+ time_t atime = time(NULL);
+
+ tp = localtime( &atime );
+ fprintf( logstream, "%04d-%02d-%02d %02d:%02d:%02d ",
+ 1900+tp->tm_year, tp->tm_mon+1, tp->tm_mday,
+ tp->tm_hour, tp->tm_min, tp->tm_sec );
+ }
+
+ switch ( level ) {
+ case MY_LOG_BEGIN: break;
+ case MY_LOG_CONT: break;
+ case MY_LOG_INFO: break;
+ case MY_LOG_WARN: break;
+ case MY_LOG_ERROR: break;
+ case MY_LOG_FATAL: fputs("Fatal: ",logstream ); break;
+ case MY_LOG_BUG: fputs("Ohhhh jeeee: ", logstream); break;
+ case MY_LOG_DEBUG: fputs("DBG: ", logstream ); break;
+ default: fprintf(logstream,"[Unknown log level %d]: ", level ); break;
+ }
+
+ if( fmt ) {
+ vfprintf(logstream,fmt,arg_ptr) ;
+ if( *fmt && fmt[strlen(fmt)-1] != '\n' )
+ missing_lf = 1;
+ }
+
+ if( level == MY_LOG_FATAL )
+ exit(2);
+ if( level == MY_LOG_BUG )
+ abort();
+}
+
+static void
+do_log( int level, const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ do_logv( level, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+
+
+void
+log_info( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ do_logv( MY_LOG_INFO, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+void
+log_error( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ do_logv( MY_LOG_ERROR, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+
+void
+log_fatal( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ do_logv( MY_LOG_FATAL, fmt, arg_ptr );
+ va_end(arg_ptr);
+ abort(); /* never called, bugs it makes the compiler happy */
+}
+
+void
+log_bug( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ do_logv( MY_LOG_BUG, fmt, arg_ptr );
+ va_end(arg_ptr);
+ abort(); /* never called, but it makes the compiler happy */
+}
+
+void
+log_debug( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ va_start( arg_ptr, fmt ) ;
+ do_logv( MY_LOG_DEBUG, fmt, arg_ptr );
+ va_end(arg_ptr);
+}
+
+
+void
+log_printf( const char *fmt, ... )
+{
+ va_list arg_ptr ;
+
+ if( !fmt ) {
+ do_logv( MY_LOG_BEGIN, NULL, NULL );
+ }
+ else {
+ va_start( arg_ptr, fmt ) ;
+ do_logv( MY_LOG_CONT, fmt, arg_ptr );
+ va_end(arg_ptr);
+ }
+}
+
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 )
+void
+bug_at( const char *file, int line, const char *func )
+{
+ do_log( MY_LOG_BUG,
+ ("... this is a bug (%s:%d:%s)\n"), file, line, func );
+ abort(); /* never called, but it makes the compiler happy */
+}
+#else
+void
+bug_at( const char *file, int line )
+{
+ do_log( MY_LOG_BUG,
+ _("you found a bug ... (%s:%d)\n"), file, line);
+ abort(); /* never called, but it makes the compiler happy */
+}
+#endif
+