1 files changed, 102 insertions, 0 deletions
diff --git a/lib/msg.c b/lib/msg.c
new file mode 100644
index 0000000..85e8382
--- /dev/null
+++ b/lib/msg.c
@@ -0,0 +1,102 @@
+/*   grep-dctrl - grep Debian control files
+     Copyright (C) 1999, 2004  Antti-Juhani Kaijanaho
+  
+     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; see the file COPYING.  If not, write to
+     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+  
+     The author can be reached via mail at (ISO 8859-1 charset for the city)
+        Antti-Juhani Kaijanaho
+        Helokantie 1 A 16
+        FIN-40640 JYVÄSKYLÄ
+        FINLAND
+        EUROPE
+     and via electronic mail from
+        gaia@iki.fi
+     If you have a choice, use the email address; it is more likely to
+     stay current.
+
+*/
+
+
+#define MSG_C__
+
+#include <stdbool.h>
+
+#include <assert.h>
+#include <string.h>
+#include "msg.h"
+
+#define PROGNAME_MAXLEN 64
+
+bool errors = false;
+
+int loglevel = L_IMPORTANT;
+char progname [PROGNAME_MAXLEN];
+
+struct str2int_avec_t {
+  const char * str;
+  int integer;
+};
+
+int
+within_interval (int n, int a, int b)
+{
+  if (a > b)
+    {
+      int tmp;
+      tmp = b;
+      b = a;
+      a = tmp;
+    }
+
+  assert (a <= b);
+
+  return (a <= n && n <= b);
+}
+
+void
+msg_set_progname (const char * pn)
+{
+  strncpy (progname, pn, PROGNAME_MAXLEN);
+  progname [PROGNAME_MAXLEN - 1] = 0;
+}
+
+void
+set_loglevel (int ll)
+{
+  assert (within_interval (loglevel, L_FATAL, L_DEBUG));
+
+  loglevel = ll;
+}
+
+int
+str2loglevel (const char * s)
+{
+  static struct str2int_avec_t avec [] = {
+    { "fatal", L_FATAL },
+    { "important", L_IMPORTANT },
+    { "informational", L_INFORMATIONAL },
+#if !defined(NDEBUG) && defined(ENABLE_L_DEBUG)
+    { "debug", L_DEBUG },
+#endif
+    { 0, 0 } };
+
+  int i;
+
+  for (i = 0; avec [i].str != 0; i++)
+    if (strcasecmp (avec [i].str, s) == 0)
+      return avec[i].integer;
+  return -1;
+}