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authorWerner Almesberger <werner@almesberger.net>2016-08-17 21:37:15 -0300
committerWerner Almesberger <werner@almesberger.net>2016-08-17 21:37:15 -0300
commit30d665115a8f7d72f659a1e77b6eb14e727fbe57 (patch)
treef0ff40e1a6b654571745dc5c289a8ed6cfd103ca /misc/diag.c
parentae27fe967c09bf0d685952dc7a943d1535eb6af4 (diff)
downloadeeshow-30d665115a8f7d72f659a1e77b6eb14e727fbe57.tar.gz
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eeshow/: util.h and diag.c go to misc/
Diffstat (limited to 'misc/diag.c')
-rw-r--r--misc/diag.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/misc/diag.c b/misc/diag.c
new file mode 100644
index 0000000..908deb8
--- /dev/null
+++ b/misc/diag.c
@@ -0,0 +1,86 @@
+/*
+ * misc/diag.h - Diagnostics
+ *
+ * Written 2016 by Werner Almesberger
+ * Copyright 2016 by Werner Almesberger
+ *
+ * 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.
+ */
+
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+
+#include "misc/diag.h"
+
+
+unsigned verbose = 0;
+
+
+/* ----- Specialized diagnostic functions ---------------------------------- */
+
+
+void diag_pfatal(const char *s)
+{
+ fatal("%s: %s\n", s, strerror(errno));
+}
+
+
+void diag_perror(const char *s)
+{
+ error("%s: %s\n", s, strerror(errno));
+}
+
+
+/* ----- General diagnostic functions -------------------------------------- */
+
+void fatal(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ exit(1); /* @@@ for now ... */
+}
+
+
+void error(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+}
+
+
+void warning(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ fprintf(stderr, "warning: ");
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+}
+
+
+void progress(unsigned level, const char *fmt, ...)
+{
+ va_list ap;
+
+ if (level > verbose)
+ return;
+ va_start(ap, fmt);
+ fprintf(stderr, "%*s", level * 2, "");
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+}