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-rw-r--r--src/diag.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/src/diag.c b/src/diag.c
new file mode 100644
index 0000000..8ae3911
--- /dev/null
+++ b/src/diag.c
@@ -0,0 +1,131 @@
+/* This file is part of Pies.
+ Copyright (C) 2009 Sergey Poznyakoff
+
+ Pies 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 3, or (at your option)
+ any later version.
+
+ Pies 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 Pies. If not, see <http://www.gnu.org/licenses/>. */
+
+#include "pies.h"
+#include "xvasprintf.h"
+
+unsigned debug_level;
+int source_info_option;
+
+void
+syslog_printer (int prio, const char *fmt, va_list ap)
+{
+#if HAVE_VSYSLOG
+ vsyslog (prio, fmt, ap);
+#else
+ char buf[128];
+ vsnprintf (buf, sizeof buf, fmt, ap);
+#endif
+}
+
+void
+vlogmsg (int prio, const char *fmt, va_list ap)
+{
+ if (log_to_stderr)
+ {
+ vfprintf (stderr, fmt, ap);
+ fprintf (stderr, "\n");
+ }
+ else
+ syslog_printer (prio, fmt, ap);
+}
+
+void
+logmsg (int prio, const char *fmt, ...)
+{
+ va_list ap;
+ va_start (ap, fmt);
+ vlogmsg (prio, fmt, ap);
+ va_end (ap);
+}
+
+void
+debug_msg (const char *fmt, ...)
+{
+ va_list ap;
+ va_start (ap, fmt);
+ vlogmsg (LOG_DEBUG, fmt, ap);
+ va_end (ap);
+}
+
+
+static struct obstack log_stk;
+static int log_stk_init;
+
+void
+logmsg_vprintf (int prio, const char *fmt, va_list ap)
+{
+ char *str, *p;
+
+ str = xvasprintf (fmt, ap);
+
+ if (!log_stk_init)
+ {
+ obstack_init (&log_stk);
+ log_stk_init = 1;
+ }
+ for (p = str; *p; )
+ {
+ size_t len = strcspn (p, "\n");
+ if (len)
+ obstack_grow (&log_stk, p, len);
+ p += len;
+ if (*p)
+ {
+ char *msg;
+
+ obstack_1grow (&log_stk, 0);
+ msg = obstack_finish (&log_stk);
+ logmsg (prio, "%s", msg);
+ obstack_free (&log_stk, msg);
+ p++;
+ }
+ }
+ free (str);
+}
+
+void
+logmsg_printf (int prio, const char *fmt, ...)
+{
+ va_list ap;
+ va_start (ap, fmt);
+ logmsg_vprintf (prio, fmt, ap);
+ va_end (ap);
+}
+
+void
+grecs_print_diag (grecs_locus_t *locus, int err, int errcode, const char *msg)
+{
+ if (locus)
+ {
+ if (errcode)
+ logmsg (err ? LOG_ERR : LOG_WARNING, "%s:%lu: %s: %s",
+ locus->file, (unsigned long)locus->line, msg,
+ strerror (errcode));
+ else
+ logmsg (err ? LOG_ERR : LOG_WARNING, "%s:%lu: %s",
+ locus->file, (unsigned long)locus->line, msg);
+ }
+ else
+ {
+ if (errcode)
+ logmsg (err ? LOG_ERR : LOG_WARNING, "%s: %s", msg,
+ strerror (errcode));
+ else
+ logmsg (err ? LOG_ERR : LOG_WARNING, "%s", msg);
+ }
+}
+

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