View file File name : log.c Content :/* Log file output. Copyright (C) 2003, 2005, 2009, 2015-2016 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* Written by Bruno Haible <bruno@clisp.org>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include <stdio.h> #include <stdlib.h> #include <string.h> /* Handle multi-threaded applications. */ #ifdef _LIBC # include <bits/libc-lock.h> #else # include "lock.h" #endif /* Separator between msgctxt and msgid in .mo files. */ #define MSGCTXT_SEPARATOR '\004' /* EOT */ /* Print an ASCII string with quotes and escape sequences where needed. */ static void print_escaped (FILE *stream, const char *str, const char *str_end) { putc ('"', stream); for (; str != str_end; str++) if (*str == '\n') { fputs ("\\n\"", stream); if (str + 1 == str_end) return; fputs ("\n\"", stream); } else { if (*str == '"' || *str == '\\') putc ('\\', stream); putc (*str, stream); } putc ('"', stream); } static char *last_logfilename = NULL; static FILE *last_logfile = NULL; __libc_lock_define_initialized (static, lock) static inline void _nl_log_untranslated_locked (const char *logfilename, const char *domainname, const char *msgid1, const char *msgid2, int plural) { FILE *logfile; const char *separator; /* Can we reuse the last opened logfile? */ if (last_logfilename == NULL || strcmp (logfilename, last_logfilename) != 0) { /* Close the last used logfile. */ if (last_logfilename != NULL) { if (last_logfile != NULL) { fclose (last_logfile); last_logfile = NULL; } free (last_logfilename); last_logfilename = NULL; } /* Open the logfile. */ last_logfilename = (char *) malloc (strlen (logfilename) + 1); if (last_logfilename == NULL) return; strcpy (last_logfilename, logfilename); last_logfile = fopen (logfilename, "a"); if (last_logfile == NULL) return; } logfile = last_logfile; fprintf (logfile, "domain "); print_escaped (logfile, domainname, domainname + strlen (domainname)); separator = strchr (msgid1, MSGCTXT_SEPARATOR); if (separator != NULL) { /* The part before the MSGCTXT_SEPARATOR is the msgctxt. */ fprintf (logfile, "\nmsgctxt "); print_escaped (logfile, msgid1, separator); msgid1 = separator + 1; } fprintf (logfile, "\nmsgid "); print_escaped (logfile, msgid1, msgid1 + strlen (msgid1)); if (plural) { fprintf (logfile, "\nmsgid_plural "); print_escaped (logfile, msgid2, msgid2 + strlen (msgid2)); fprintf (logfile, "\nmsgstr[0] \"\"\n"); } else fprintf (logfile, "\nmsgstr \"\"\n"); putc ('\n', logfile); } /* Add to the log file an entry denoting a failed translation. */ void _nl_log_untranslated (const char *logfilename, const char *domainname, const char *msgid1, const char *msgid2, int plural) { __libc_lock_lock (lock); _nl_log_untranslated_locked (logfilename, domainname, msgid1, msgid2, plural); __libc_lock_unlock (lock); }