diff options
Diffstat (limited to 'tools/gnulib/patches/150-portable-tdestroy.patch')
| -rw-r--r-- | tools/gnulib/patches/150-portable-tdestroy.patch | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/tools/gnulib/patches/150-portable-tdestroy.patch b/tools/gnulib/patches/150-portable-tdestroy.patch new file mode 100644 index 0000000000..39c291f196 --- /dev/null +++ b/tools/gnulib/patches/150-portable-tdestroy.patch @@ -0,0 +1,193 @@ +--- a/lib/search.in.h ++++ b/lib/search.in.h +@@ -112,6 +112,11 @@ _GL_CXXALIASWARN (lsearch); + # define twalk rpl_twalk + # endif + # endif ++# if @REPLACE_TDESTROY@ ++# if !(defined __cplusplus && defined GNULIB_NAMESPACE) ++# define tdestroy rpl_tdestroy ++# endif ++# endif + + /* See <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/search.h.html> + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/tsearch.html> +@@ -137,6 +142,7 @@ extern "C" { + # if !GNULIB_defined_search_fn_types + typedef int (*_gl_search_compar_fn) (const void *, const void *); + typedef void (*_gl_search_action_fn) (const void *, VISIT, int); ++typedef void (*_gl_search_free_fn) (void *); + # define GNULIB_defined_search_fn_types 1 + # endif + # ifdef __cplusplus +@@ -252,9 +258,36 @@ _GL_CXXALIAS_SYS (twalk, void, + _GL_CXXALIASWARN (twalk); + # endif + ++/* Removes the whole tree pointed to by root, ++ freeing all resources allocated by the tsearch() function. ++ The FREE_NODE function is called: ++ - For the data in each tree node. ++ - Even when no such work is necessary, to a function doing nothing ++ The arguments passed to FREE_NODE are: ++ 1. The pointer to the data. */ ++# if @REPLACE_TDESTROY@ ++_GL_FUNCDECL_RPL (tdestroy, void, ++ (void *vroot, _gl_search_free_fn freefct) ++ _GL_ARG_NONNULL ((2))); ++_GL_CXXALIAS_RPL (tdestroy, void, ++ (void *vroot, _gl_search_free_fn freefct)); ++# else ++# if !@HAVE_TDESTROY@ ++_GL_FUNCDECL_SYS (tdestroy, void, ++ (void *vroot, _gl_search_free_fn freefct) ++ _GL_ARG_NONNULL ((2))); ++# endif ++_GL_CXXALIAS_SYS (tdestroy, void, ++ (void *vroot, _gl_search_free_fn freefct)); ++# endif ++# if __GLIBC__ >= 2 ++_GL_CXXALIASWARN (tdestroy); ++# endif ++ + /* Flags used by tsearch.c. */ + # define GNULIB_defined_tsearch (@REPLACE_TSEARCH@ || !@HAVE_TSEARCH@) + # define GNULIB_defined_twalk (@REPLACE_TWALK@ || !@HAVE_TWALK@) ++# define GNULIB_defined_tdestroy (@REPLACE_TDESTROY@ || !@HAVE_TDESTROY@) + + #elif defined GNULIB_POSIXCHECK + # undef tsearch +@@ -277,6 +310,11 @@ _GL_WARN_ON_USE (tdelete, "tdelete is un + _GL_WARN_ON_USE (twalk, "twalk is unportable - " + "use gnulib module tsearch for portability"); + # endif ++# undef tdestroy ++# if HAVE_RAW_DECL_TDESTROY ++_GL_WARN_ON_USE (tdestroy, "tdestroy is unportable - " ++ "use gnulib module tsearch for portability"); ++# endif + #endif + + +--- a/lib/tsearch.c ++++ b/lib/tsearch.c +@@ -98,12 +98,14 @@ + + typedef int (*__compar_fn_t) (const void *, const void *); + typedef void (*__action_fn_t) (const void *, VISIT, int); ++typedef void (*__free_fn_t) (void *); + + #ifndef weak_alias + # define __tsearch tsearch + # define __tfind tfind + # define __tdelete tdelete + # define __twalk twalk ++# define __tdestroy tdestroy + #endif + + #ifndef internal_function +@@ -656,7 +658,7 @@ weak_alias (__twalk, twalk) + #endif /* GNULIB_defined_twalk */ + + +-#ifdef _LIBC ++#if defined(_LIBC) || GNULIB_defined_tdestroy + + /* The standardized functions miss an important functionality: the + tree cannot be removed easily. We provide a function to do this. */ +@@ -683,6 +685,8 @@ __tdestroy (void *vroot, __free_fn_t fre + if (root != NULL) + tdestroy_recurse (root, freefct); + } ++#ifdef weak_alias + weak_alias (__tdestroy, tdestroy) ++#endif + +-#endif /* _LIBC */ ++#endif /* defined(_LIBC) || GNULIB_defined_tdestroy */ +--- a/m4/search_h.m4 ++++ b/m4/search_h.m4 +@@ -39,7 +39,7 @@ AC_DEFUN_ONCE([gl_SEARCH_H], + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <search.h> +- ]], [tdelete tfind tsearch twalk]) ++ ]], [tdelete tfind tsearch twalk tdestroy]) + + AC_REQUIRE([AC_C_RESTRICT]) + ]) +@@ -75,8 +75,10 @@ AC_DEFUN([gl_SEARCH_H_DEFAULTS], + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_LFIND], [1]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_LSEARCH], [1]) + dnl Assume proper GNU behavior unless another module says otherwise. +- HAVE_TSEARCH=1; AC_SUBST([HAVE_TSEARCH]) +- HAVE_TWALK=1; AC_SUBST([HAVE_TWALK]) +- REPLACE_TSEARCH=0; AC_SUBST([REPLACE_TSEARCH]) +- REPLACE_TWALK=0; AC_SUBST([REPLACE_TWALK]) ++ HAVE_TSEARCH=1; AC_SUBST([HAVE_TSEARCH]) ++ HAVE_TWALK=1; AC_SUBST([HAVE_TWALK]) ++ HAVE_TDESTROY=1; AC_SUBST([HAVE_TDESTROY]) ++ REPLACE_TSEARCH=0; AC_SUBST([REPLACE_TSEARCH]) ++ REPLACE_TWALK=0; AC_SUBST([REPLACE_TWALK]) ++ REPLACE_TDESTROY=0; AC_SUBST([REPLACE_TDESTROY]) + ]) +--- a/m4/tsearch.m4 ++++ b/m4/tsearch.m4 +@@ -9,6 +9,7 @@ AC_DEFUN([gl_FUNC_TSEARCH], + AC_REQUIRE([gl_SEARCH_H_DEFAULTS]) + gl_CHECK_FUNCS_ANDROID([tsearch], [[#include <search.h>]]) + gl_CHECK_FUNCS_ANDROID([twalk], [[#include <search.h>]]) ++ gl_CHECK_FUNCS_ANDROID([tdestroy], [[#include <search.h>]]) + if test $ac_cv_func_tsearch = yes; then + dnl On OpenBSD 4.0, the return value of tdelete() is incorrect. + AC_REQUIRE([AC_PROG_CC]) +@@ -50,6 +51,7 @@ main () + *no) + REPLACE_TSEARCH=1 + REPLACE_TWALK=1 ++ REPLACE_TDESTROY=1 + ;; + esac + else +@@ -64,6 +66,12 @@ main () + future*) REPLACE_TWALK=1 ;; + esac + fi ++ if test $ac_cv_func_tdestroy != yes; then ++ HAVE_TDESTROY=0 ++ case "$gl_cv_onwards_func_tdestroy" in ++ future*) REPLACE_TDESTROY=1 ;; ++ esac ++ fi + ]) + + # Prerequisites of lib/tsearch.c. +--- a/modules/search ++++ b/modules/search +@@ -37,8 +37,10 @@ search.h: search.in.h $(top_builddir)/co + -e 's/@''GNULIB_MDA_LSEARCH''@/$(GNULIB_MDA_LSEARCH)/g' \ + -e 's|@''HAVE_TSEARCH''@|$(HAVE_TSEARCH)|g' \ + -e 's|@''HAVE_TWALK''@|$(HAVE_TWALK)|g' \ ++ -e 's|@''HAVE_TDESTROY''@|$(HAVE_TDESTROY)|g' \ + -e 's|@''REPLACE_TSEARCH''@|$(REPLACE_TSEARCH)|g' \ + -e 's|@''REPLACE_TWALK''@|$(REPLACE_TWALK)|g' \ ++ -e 's|@''REPLACE_TDESTROY''@|$(REPLACE_TDESTROY)|g' \ + -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \ + -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \ + -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \ +--- a/modules/tsearch ++++ b/modules/tsearch +@@ -11,7 +11,12 @@ search + configure.ac: + gl_FUNC_TSEARCH + gl_CONDITIONAL([GL_COND_OBJ_TSEARCH], +- [test $HAVE_TSEARCH = 0 || test $HAVE_TWALK = 0 || test $REPLACE_TSEARCH = 1 || test $REPLACE_TWALK = 1]) ++ [test $HAVE_TSEARCH = 0 || ++ test $HAVE_TWALK = 0 || ++ test $HAVE_TDESTROY = 0 || ++ test $REPLACE_TSEARCH = 1 || ++ test $REPLACE_TWALK = 1 || ++ test $REPLACE_TDESTROY = 1]) + AM_COND_IF([GL_COND_OBJ_TSEARCH], [ + gl_PREREQ_TSEARCH + ]) |