diff options
Diffstat (limited to 'meta/packages/xorg-lib/libxfont/builtinreaddirectory-no-side-effect.patch')
| -rw-r--r-- | meta/packages/xorg-lib/libxfont/builtinreaddirectory-no-side-effect.patch | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/meta/packages/xorg-lib/libxfont/builtinreaddirectory-no-side-effect.patch b/meta/packages/xorg-lib/libxfont/builtinreaddirectory-no-side-effect.patch new file mode 100644 index 0000000000..dd307434b9 --- /dev/null +++ b/meta/packages/xorg-lib/libxfont/builtinreaddirectory-no-side-effect.patch @@ -0,0 +1,188 @@ +commit 7670d4a2720c61fbc7b989fed14c676f04ac3ad1 +Author: Dodji Seketeli <dodji@openedhand.com> +Date: Mon Jul 16 12:24:34 2007 +0200 + + Remove side effects from BuiltinReadDirectory() + + The first time BuiltinReadDirectory() is called, + save the content of builtin_dir and builtin_alias, + before calling FontFileAddFontFile(), because that fonction + will modify those. + + Then, in subsequent calls to BuiltinReadDirectory(), restore + builtin_dir and builtin_alias so that the side effect incurred + by the first call disappears. + +diff --git a/src/builtins/dir.c b/src/builtins/dir.c +index c272449..97f1e1e 100644 +--- a/src/builtins/dir.c ++++ b/src/builtins/dir.c +@@ -29,6 +29,133 @@ + #endif + #include "builtin.h" + ++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) ; ++ 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) ; ++ 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. ++ */ ++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 ; ++} ++ ++ ++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 ; ++} ++ ++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) ; ++ 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. ++ */ ++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 ; ++} ++ ++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) + { +@@ -36,6 +163,34 @@ BuiltinReadDirectory (char *directory, FontDirectoryPtr *pdir) + int i; + + dir = FontFileMakeDir ("", builtin_dir_count); ++ static BuiltinDirPtr saved_builtin_dir ; ++ static BuiltinAliasPtr saved_builtin_alias ; ++ ++ ++ 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, |