Index: mozilla/nsprpub/pr/src/misc/prerrortable.c |
=================================================================== |
--- mozilla/nsprpub/pr/src/misc/prerrortable.c (revision 191424) |
+++ mozilla/nsprpub/pr/src/misc/prerrortable.c (working copy) |
@@ -1,205 +0,0 @@ |
-/* This Source Code Form is subject to the terms of the Mozilla Public |
- * License, v. 2.0. If a copy of the MPL was not distributed with this |
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
- |
- |
- |
- |
-/* |
- |
-Copyright 1987, 1988 by the Student Information Processing Board |
- of the Massachusetts Institute of Technology |
- |
-Permission to use, copy, modify, and distribute this software |
-and its documentation for any purpose and without fee is |
-hereby granted, provided that the above copyright notice |
-appear in all copies and that both that copyright notice and |
-this permission notice appear in supporting documentation, |
-and that the names of M.I.T. and the M.I.T. S.I.P.B. not be |
-used in advertising or publicity pertaining to distribution |
-of the software without specific, written prior permission. |
-M.I.T. and the M.I.T. S.I.P.B. make no representations about |
-the suitability of this software for any purpose. It is |
-provided "as is" without express or implied warranty. |
- |
-*/ |
- |
-#include <string.h> |
-#include <assert.h> |
-#include <errno.h> |
-#include "prmem.h" |
-#include "prerror.h" |
- |
-#define ERRCODE_RANGE 8 /* # of bits to shift table number */ |
-#define BITS_PER_CHAR 6 /* # bits to shift per character in name */ |
- |
-#ifdef NEED_SYS_ERRLIST |
-extern char const * const sys_errlist[]; |
-extern const int sys_nerr; |
-#endif |
- |
-/* List of error tables */ |
-struct PRErrorTableList { |
- struct PRErrorTableList *next; |
- const struct PRErrorTable *table; |
- struct PRErrorCallbackTablePrivate *table_private; |
-}; |
-static struct PRErrorTableList * Table_List = (struct PRErrorTableList *) NULL; |
- |
-/* Supported languages */ |
-static const char * default_languages[] = { "i-default", "en", 0 }; |
-static const char * const * callback_languages = default_languages; |
- |
-/* Callback info */ |
-static struct PRErrorCallbackPrivate *callback_private = 0; |
-static PRErrorCallbackLookupFn *callback_lookup = 0; |
-static PRErrorCallbackNewTableFn *callback_newtable = 0; |
- |
- |
-static const char char_set[] = |
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_"; |
- |
-static const char * |
-error_table_name (PRErrorCode num) |
-{ |
- static char buf[6]; /* only used if internal code problems exist */ |
- |
- long ch; |
- int i; |
- char *p; |
- |
- /* num = aa aaa abb bbb bcc ccc cdd ddd d?? ??? ??? */ |
- p = buf; |
- num >>= ERRCODE_RANGE; |
- /* num = ?? ??? ??? aaa aaa bbb bbb ccc ccc ddd ddd */ |
- num &= 077777777; |
- /* num = 00 000 000 aaa aaa bbb bbb ccc ccc ddd ddd */ |
- for (i = 4; i >= 0; i--) { |
- ch = (num >> BITS_PER_CHAR * i) & ((1 << BITS_PER_CHAR) - 1); |
- if (ch != 0) |
- *p++ = char_set[ch-1]; |
- } |
- *p = '\0'; |
- return(buf); |
-} |
- |
-PR_IMPLEMENT(const char *) |
-PR_ErrorToString(PRErrorCode code, PRLanguageCode language) |
-{ |
- /* static buffer only used if code is using inconsistent error message |
- * numbers, so just ignore the possible thread contention |
- */ |
- static char buffer[25]; |
- |
- const char *msg; |
- int offset; |
- PRErrorCode table_num; |
- struct PRErrorTableList *et; |
- int started = 0; |
- char *cp; |
- |
- for (et = Table_List; et; et = et->next) { |
- if (et->table->base <= code && |
- et->table->base + et->table->n_msgs > code) { |
- /* This is the right table */ |
- if (callback_lookup) { |
- msg = callback_lookup(code, language, et->table, |
- callback_private, et->table_private); |
- if (msg) return msg; |
- } |
- |
- return(et->table->msgs[code - et->table->base].en_text); |
- } |
- } |
- |
- if (code >= 0 && code < 256) { |
- return strerror(code); |
- } |
- |
- offset = (int) (code & ((1<<ERRCODE_RANGE)-1)); |
- table_num = code - offset; |
- strcpy (buffer, "Unknown code "); |
- if (table_num) { |
- strcat(buffer, error_table_name (table_num)); |
- strcat(buffer, " "); |
- } |
- for (cp = buffer; *cp; cp++) |
- ; |
- if (offset >= 100) { |
- *cp++ = (char)('0' + offset / 100); |
- offset %= 100; |
- started++; |
- } |
- if (started || offset >= 10) { |
- *cp++ = (char)('0' + offset / 10); |
- offset %= 10; |
- } |
- *cp++ = (char)('0' + offset); |
- *cp = '\0'; |
- return(buffer); |
-} |
- |
-PR_IMPLEMENT(const char *) |
-PR_ErrorToName(PRErrorCode code) |
-{ |
- struct PRErrorTableList *et; |
- |
- for (et = Table_List; et; et = et->next) { |
- if (et->table->base <= code && |
- et->table->base + et->table->n_msgs > code) { |
- /* This is the right table */ |
- return(et->table->msgs[code - et->table->base].name); |
- } |
- } |
- |
- return 0; |
-} |
- |
-PR_IMPLEMENT(const char * const *) |
-PR_ErrorLanguages(void) |
-{ |
- return callback_languages; |
-} |
- |
-PR_IMPLEMENT(PRErrorCode) |
-PR_ErrorInstallTable(const struct PRErrorTable *table) |
-{ |
- struct PRErrorTableList * new_et; |
- |
- new_et = (struct PRErrorTableList *) |
- PR_Malloc(sizeof(struct PRErrorTableList)); |
- if (!new_et) |
- return errno; /* oops */ |
- new_et->table = table; |
- if (callback_newtable) { |
- new_et->table_private = callback_newtable(table, callback_private); |
- } else { |
- new_et->table_private = 0; |
- } |
- new_et->next = Table_List; |
- Table_List = new_et; |
- return 0; |
-} |
- |
-PR_IMPLEMENT(void) |
-PR_ErrorInstallCallback(const char * const * languages, |
- PRErrorCallbackLookupFn *lookup, |
- PRErrorCallbackNewTableFn *newtable, |
- struct PRErrorCallbackPrivate *cb_private) |
-{ |
- struct PRErrorTableList *et; |
- |
- assert(strcmp(languages[0], "i-default") == 0); |
- assert(strcmp(languages[1], "en") == 0); |
- |
- callback_languages = languages; |
- callback_lookup = lookup; |
- callback_newtable = newtable; |
- callback_private = cb_private; |
- |
- if (callback_newtable) { |
- for (et = Table_List; et; et = et->next) { |
- et->table_private = callback_newtable(et->table, callback_private); |
- } |
- } |
-} |