init commit

1 files changed, 42 insertions, 0 deletions

diff --git a/log.h b/log.h
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index 0000000..d6ae299
--- /dev/null
+++ b/log.h
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+/* log.h  --  Error and warning messages.
+ *
+ *  Copyright (C) 2016 Tomasz Kramkowski <tk@the-tk.com>
+ *
+ *  This program 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.
+ *
+ *  This program 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.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef LOG_H
+#define LOG_H
+
+#include <stdnoreturn.h>
+
+#define EMSG_ALLOC "Could not allocate memory"
+#define EMSG_OPEN "Could not open '%s'"
+#define EMSG_READ "Could not read '%s'"
+#define EMSG_SZOP "Arithmetic operation on size_t would wrap"
+#define EMSG_GNOMEM "A call to glob ran out of memory"
+
+extern const char *argv0;
+
+noreturn void error(int errnum, const char *fmt, ...)
+	__attribute__ ((format(printf, 2, 3)));
+noreturn void errorat(int errnum, const char *file, long line, const char *fmt, ...)
+	__attribute__ ((format(printf, 4, 5)));
+
+void warning(int errnum, const char *fmt, ...)
+	__attribute__ ((format(printf, 2, 3)));
+void warningat(int errnum, const char *file, long line, const char *fmt, ...)
+	__attribute__ ((format(printf, 4, 5)));
+
+#endif /* LOG_H */