core: Import of logging.[ch] from GnuPG

--

Taken from GnuPG master
commit 98c260e057e7829580da99f0c8e0037a3896bfae

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 115 insertions, 0 deletions

diff --git a/src/logging.h b/src/logging.h
new file mode 100644
index 0000000..e1bf56b
--- /dev/null
+++ b/src/logging.h
@@ -0,0 +1,115 @@
+/* logging.h
+ * Copyright (C) 1999, 2000, 2001, 2004, 2006,
+ *               2010 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute and/or modify this
+ * part of GnuPG under the terms of either
+ *
+ *   - the GNU Lesser General Public License as published by the Free
+ *     Software Foundation; either version 3 of the License, or (at
+ *     your option) any later version.
+ *
+ * or
+ *
+ *   - 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.
+ *
+ * or both in parallel, as here.
+ *
+ * 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 copies of the GNU General Public License
+ * and the GNU Lesser General Public License along with this program;
+ * if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef GNUPG_COMMON_LOGGING_H
+#define GNUPG_COMMON_LOGGING_H
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <gpg-error.h>
+#include "mischelp.h"
+#include "w32help.h"
+
+int  log_get_errorcount (int clear);
+void log_inc_errorcount (void);
+void log_set_file( const char *name );
+void log_set_fd (int fd);
+void log_set_socket_dir_cb (const char *(*fnc)(void));
+void log_set_pid_suffix_cb (int (*cb)(unsigned long *r_value));
+void log_set_prefix (const char *text, unsigned int flags);
+const char *log_get_prefix (unsigned int *flags);
+int log_test_fd (int fd);
+int  log_get_fd(void);
+estream_t log_get_stream (void);
+
+#ifdef GPGRT_HAVE_MACRO_FUNCTION
+  void bug_at (const char *file, int line, const char *func)
+               GPGRT_ATTR_NORETURN;
+  void _log_assert (const char *expr, const char *file, int line,
+                    const char *func) GPGRT_ATTR_NORETURN;
+# define BUG() bug_at( __FILE__ , __LINE__, __FUNCTION__)
+# define log_assert(expr)                                       \
+  ((expr)                                                       \
+   ? (void) 0                                                   \
+   : _log_assert (#expr, __FILE__, __LINE__, __FUNCTION__))
+#else /*!GPGRT_HAVE_MACRO_FUNCTION*/
+  void bug_at (const char *file, int line);
+  void _log_assert (const char *expr, const char *file, int line);
+# define BUG() bug_at( __FILE__ , __LINE__ )
+# define log_assert(expr)                                       \
+  ((expr)                                                       \
+   ? (void) 0                                                   \
+   : _log_assert (#expr, __FILE__, __LINE__))
+#endif /*!GPGRT_HAVE_MACRO_FUNCTION*/
+
+/* Flag values for log_set_prefix. */
+#define GPGRT_LOG_WITH_PREFIX  1
+#define GPGRT_LOG_WITH_TIME    2
+#define GPGRT_LOG_WITH_PID     4
+#define GPGRT_LOG_RUN_DETACHED 256
+#define GPGRT_LOG_NO_REGISTRY  512
+
+/* Log levels as used by log_log.  */
+enum jnlib_log_levels {
+    GPGRT_LOG_BEGIN,
+    GPGRT_LOG_CONT,
+    GPGRT_LOG_INFO,
+    GPGRT_LOG_WARN,
+    GPGRT_LOG_ERROR,
+    GPGRT_LOG_FATAL,
+    GPGRT_LOG_BUG,
+    GPGRT_LOG_DEBUG
+};
+void log_log (int level, const char *fmt, ...) GPGRT_ATTR_PRINTF(2,3);
+void log_logv (int level, const char *fmt, va_list arg_ptr);
+void log_logv_with_prefix (int level, const char *prefix,
+                           const char *fmt, va_list arg_ptr);
+void log_string (int level, const char *string);
+void log_bug (const char *fmt, ...)    GPGRT_ATTR_NR_PRINTF(1,2);
+void log_fatal (const char *fmt, ...)  GPGRT_ATTR_NR_PRINTF(1,2);
+void log_error (const char *fmt, ...)  GPGRT_ATTR_PRINTF(1,2);
+void log_info (const char *fmt, ...)   GPGRT_ATTR_PRINTF(1,2);
+void log_debug (const char *fmt, ...)  GPGRT_ATTR_PRINTF(1,2);
+void log_debug_with_string (const char *string, const char *fmt,
+                            ...) GPGRT_ATTR_PRINTF(2,3);
+void log_printf (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
+void log_flush (void);
+
+/* Print a hexdump of BUFFER.  With TEXT passes as NULL print just the
+   raw dump, with TEXT being an empty string, print a trailing
+   linefeed, otherwise print an entire debug line with TEXT followed
+   by the hexdump and a final LF.  */
+void log_printhex (const char *text, const void *buffer, size_t length);
+
+void log_clock (const char *string);
+
+
+#endif /*GNUPG_COMMON_LOGGING_H*/