1/* Log file output.
2   Copyright (C) 2003 Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify it
5   under the terms of the GNU Library General Public License as published
6   by the Free Software Foundation; either version 2, or (at your option)
7   any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Library General Public License for more details.
13
14   You should have received a copy of the GNU Library General Public
15   License along with this program; if not, write to the Free Software
16   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
17   USA.  */
18
19/* Written by Bruno Haible <bruno@clisp.org>.  */
20
21#ifdef HAVE_CONFIG_H
22# include <config.h>
23#endif
24
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28
29/* Print an ASCII string with quotes and escape sequences where needed.  */
30static void
31print_escaped (stream, str)
32     FILE *stream;
33     const char *str;
34{
35  putc ('"', stream);
36  for (; *str != '\0'; str++)
37    if (*str == '\n')
38      {
39	fputs ("\\n\"", stream);
40	if (str[1] == '\0')
41	  return;
42	fputs ("\n\"", stream);
43      }
44    else
45      {
46	if (*str == '"' || *str == '\\')
47	  putc ('\\', stream);
48	putc (*str, stream);
49      }
50  putc ('"', stream);
51}
52
53/* Add to the log file an entry denoting a failed translation.  */
54void
55_nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural)
56     const char *logfilename;
57     const char *domainname;
58     const char *msgid1;
59     const char *msgid2;
60     int plural;
61{
62  static char *last_logfilename = NULL;
63  static FILE *last_logfile = NULL;
64  FILE *logfile;
65
66  /* Can we reuse the last opened logfile?  */
67  if (last_logfilename == NULL || strcmp (logfilename, last_logfilename) != 0)
68    {
69      /* Close the last used logfile.  */
70      if (last_logfilename != NULL)
71	{
72	  if (last_logfile != NULL)
73	    {
74	      fclose (last_logfile);
75	      last_logfile = NULL;
76	    }
77	  free (last_logfilename);
78	  last_logfilename = NULL;
79	}
80      /* Open the logfile.  */
81      last_logfilename = (char *) malloc (strlen (logfilename) + 1);
82      if (last_logfilename == NULL)
83	return;
84      strcpy (last_logfilename, logfilename);
85      last_logfile = fopen (logfilename, "a");
86      if (last_logfile == NULL)
87	return;
88    }
89  logfile = last_logfile;
90
91  fprintf (logfile, "domain ");
92  print_escaped (logfile, domainname);
93  fprintf (logfile, "\nmsgid ");
94  print_escaped (logfile, msgid1);
95  if (plural)
96    {
97      fprintf (logfile, "\nmsgid_plural ");
98      print_escaped (logfile, msgid2);
99      fprintf (logfile, "\nmsgstr[0] \"\"\n");
100    }
101  else
102    fprintf (logfile, "\nmsgstr \"\"\n");
103  putc ('\n', logfile);
104}
105