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Diffstat (limited to 'libXfont/src/builtins/dir.c')
| -rw-r--r-- | libXfont/src/builtins/dir.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/libXfont/src/builtins/dir.c b/libXfont/src/builtins/dir.c new file mode 100644 index 000000000..dd2ea1a86 --- /dev/null +++ b/libXfont/src/builtins/dir.c @@ -0,0 +1,217 @@ +/* + * Id: dir.c,v 1.2 1999/11/02 06:16:47 keithp Exp $ + * + * Copyright 1999 SuSE, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, 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 name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Keith Packard, SuSE, Inc. + */ +/* $XFree86: xc/lib/font/builtins/dir.c,v 1.3 1999/12/30 02:29:49 robin Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "builtin.h" + +static BuiltinDirPtr +BuiltinDirsDup (const BuiltinDirPtr a_dirs, + int a_dirs_len) +{ + BuiltinDirPtr dirs=NULL ; + int i=0 ; + + if (!a_dirs) + return NULL ; + + dirs = xcalloc (a_dirs_len, sizeof (BuiltinDirRec)) ; + if (!dirs) + return NULL ; + + for (i=0; i < a_dirs_len; i++) { + int len = strlen (a_dirs[i].file_name) ; + dirs[i].file_name = xcalloc (1, len+1) ; + memmove (dirs[i].file_name, a_dirs[i].file_name, len); + len = strlen (a_dirs[i].font_name) ; + dirs[i].font_name = xcalloc (1, len+1) ; + memmove (dirs[i].font_name, a_dirs[i].font_name, len); + } + return dirs ; +} + +/** + * Copy a_save back into a_cur + * @param a_cur the instance of BuiltinDir to restore + * @param a_saved the saved instance of BuiltinDir to copy into a_cur + * @return 0 if went okay, 1 otherwise. + */ +static int +BuiltinDirRestore (BuiltinDirPtr a_cur, + const BuiltinDirPtr a_saved) +{ + if (!a_cur) + return 1 ; + if (!a_saved) + return 0 ; + + if (a_saved->font_name) + memmove (a_cur->font_name, a_saved->font_name, strlen (a_saved->font_name)) ; + return 0 ; +} + + +static int +BuiltinDirsRestore (BuiltinDirPtr a_cur_tab, + const BuiltinDirPtr a_saved_tab, + int a_tab_len) +{ + int i=0 ; + + if (!a_cur_tab) + return 1 ; + if (!a_saved_tab) + return 0 ; + + for (i=0 ; i < a_tab_len; i++) { + if (BuiltinDirRestore (&a_cur_tab[i], &a_saved_tab[i])) + return 1 ; + } + return 0 ; +} + +static BuiltinAliasPtr +BuiltinAliasesDup (const BuiltinAliasPtr a_aliases, + int a_aliases_len) +{ + BuiltinAliasPtr aliases=NULL ; + int i=0 ; + + if (!a_aliases) + return NULL ; + + aliases = xcalloc (a_aliases_len, sizeof (BuiltinAliasRec)) ; + if (!aliases) + return NULL ; + + for (i=0; i < a_aliases_len; i++) { + int len = strlen (a_aliases[i].font_name) ; + aliases[i].font_name = xcalloc (1, len+1) ; + memmove (aliases[i].font_name, a_aliases[i].font_name, len); + } + return aliases ; +} + +/** + * Copy a_save back into a_cur + * @param a_cur the instance of BuiltinAlias to restore + * @param a_saved the saved instance of BuiltinAlias to copy into a_cur + * @return 0 if went okay, 1 otherwise. + */ +static int +BuiltinAliasRestore (BuiltinAliasPtr a_cur, + const BuiltinAliasPtr a_save) +{ + if (!a_cur) + return 1 ; + if (!a_save) + return 0 ; + if (a_save->alias_name) + memmove (a_cur->alias_name, a_save->alias_name, strlen (a_save->alias_name)) ; + if (a_save->font_name) + memmove (a_cur->font_name, a_save->font_name, strlen (a_save->font_name)) ; + return 0 ; +} + +static int +BuiltinAliasesRestore (BuiltinAliasPtr a_cur_tab, + const BuiltinAliasPtr a_saved_tab, + int a_tab_len) +{ + int i=0 ; + + if (!a_cur_tab) + return 1 ; + if (!a_saved_tab) + return 0 ; + + for (i=0 ; i < a_tab_len; i++) { + if (BuiltinAliasRestore (&a_cur_tab[i], &a_saved_tab[i])) + return 1 ; + } + return 0 ; +} + +int +BuiltinReadDirectory (char *directory, FontDirectoryPtr *pdir) +{ + FontDirectoryPtr dir; + int i; + + static BuiltinDirPtr saved_builtin_dir; + static BuiltinAliasPtr saved_builtin_alias; + + dir = FontFileMakeDir ("", builtin_dir_count); + + if (saved_builtin_dir) + { + BuiltinDirsRestore ((BuiltinDirPtr) builtin_dir, + saved_builtin_dir, + builtin_dir_count) ; + } + else + { + saved_builtin_dir = BuiltinDirsDup ((const BuiltinDirPtr) builtin_dir, + builtin_dir_count) ; + } + + if (saved_builtin_alias) + { + BuiltinAliasesRestore ((BuiltinAliasPtr) builtin_alias, + saved_builtin_alias, + builtin_alias_count) ; + } + else + { + saved_builtin_alias = BuiltinAliasesDup ((const BuiltinAliasPtr) builtin_alias, + builtin_alias_count) ; + } + + for (i = 0; i < builtin_dir_count; i++) + { + if (!FontFileAddFontFile (dir, + (char *) builtin_dir[i].font_name, + (char *) builtin_dir[i].file_name)) + { + FontFileFreeDir (dir); + return BadFontPath; + } + } + for (i = 0; i < builtin_alias_count; i++) + { + if (!FontFileAddFontAlias (dir, + (char *) builtin_alias[i].alias_name, + (char *) builtin_alias[i].font_name)) + { + FontFileFreeDir (dir); + return BadFontPath; + } + } + FontFileSortDir (dir); + *pdir = dir; + return Successful; +} |