* libc/include/stdlib.h (__bsd_qsort_r): Declare.
(qsort_r): Declare. * libc/search/Makefile.am (ELIX_2_SOURCES): Rename from ELIX_SOURCES. (ELIX_4_SOURCES): Define. Add bsd_qsort_r.c and qsort_r.c. (libsearch_la_SOURCES): Adapt accordingly. (lib_a_SOURCES): Adapt accordingly. (CHEWOUT_FILES): Add qsort_r.def. * libc/search/Makefile.in: Regenerate. * libc/search/bsd_qsort_r.c: New file. * libc/search/qsort.c: Update from FreeBSD HEAD. Adapt for both BSD and GNU qsort_r flavors. * libc/search/qsort_r.c: New file.
This commit is contained in:
Yaakov Selkowitz
parent
ce6c6a4d82
commit
bf9897549d
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@ -1,3 +1,18 @@
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2014-12-05 Yaakov Selkowitz <yselkowi@redhat.com>
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* libc/include/stdlib.h (__bsd_qsort_r): Declare.
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(qsort_r): Declare.
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* libc/search/Makefile.am (ELIX_2_SOURCES): Rename from ELIX_SOURCES.
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(ELIX_4_SOURCES): Define. Add bsd_qsort_r.c and qsort_r.c.
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(libsearch_la_SOURCES): Adapt accordingly.
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(lib_a_SOURCES): Adapt accordingly.
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(CHEWOUT_FILES): Add qsort_r.def.
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* libc/search/Makefile.in: Regenerate.
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* libc/search/bsd_qsort_r.c: New file.
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* libc/search/qsort.c: Update from FreeBSD HEAD. Adapt for both BSD
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and GNU qsort_r flavors.
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* libc/search/qsort_r.c: New file.
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2014-12-04 Ulrich Weigand <uweigand@de.ibm.com>
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Corinna Vinschen <vinschen@redhat.com>
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@ -248,6 +248,22 @@ int _EXFUN(_system_r,(struct _reent *, const char *));
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_VOID _EXFUN(__eprintf,(const char *, const char *, unsigned int, const char *));
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/* There are two common qsort_r variants. If you request
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_BSD_SOURCE, you get the BSD version; otherwise you get the GNU
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version. We want that #undef qsort_r will still let you
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invoke the underlying function, but that requires gcc support. */
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#ifdef _BSD_SOURCE
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# ifdef __GNUC__
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_VOID _EXFUN(qsort_r,(_PTR __base, size_t __nmemb, size_t __size, _PTR __thunk, int (*_compar)(_PTR, const _PTR, const _PTR)))
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__asm__ (__ASMNAME ("__bsd_qsort_r"));
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# else
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_VOID _EXFUN(__bsd_qsort_r,(_PTR __base, size_t __nmemb, size_t __size, _PTR __thunk, int (*_compar)(_PTR, const _PTR, const _PTR)));
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# define qsort_r __bsd_qsort_r
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# endif
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#elif __GNU_VISIBLE
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_VOID _EXFUN(qsort_r,(_PTR __base, size_t __nmemb, size_t __size, int (*_compar)(const _PTR, const _PTR, _PTR), _PTR __thunk));
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#endif
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/* On platforms where long double equals double. */
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#ifdef _HAVE_LONG_DOUBLE
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#if !defined(__STRICT_ANSI__) || \
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@ -14,9 +14,9 @@ GENERAL_SOURCES = \
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## Following are EL/IX level 2 interfaces
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if ELIX_LEVEL_1
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ELIX_SOURCES =
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ELIX_2_SOURCES =
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else
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ELIX_SOURCES = \
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ELIX_2_SOURCES = \
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hash.c \
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hash_bigkey.c \
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hash_buf.c \
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@ -32,15 +32,32 @@ ELIX_SOURCES = \
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twalk.c
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endif
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## Following are EL/IX level 4 interfaces
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if ELIX_LEVEL_1
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ELIX_4_SOURCES =
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else
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if ELIX_LEVEL_2
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ELIX_4_SOURCES =
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else
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if ELIX_LEVEL_3
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ELIX_4_SOURCES =
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else
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ELIX_4_SOURCES = \
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bsd_qsort_r.c \
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qsort_r.c
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endif !ELIX_LEVEL_3
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endif !ELIX_LEVEL_2
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endif !ELIX_LEVEL_1
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libsearch_la_LDFLAGS = -Xcompiler -nostdlib
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if USE_LIBTOOL
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noinst_LTLIBRARIES = libsearch.la
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libsearch_la_SOURCES = $(GENERAL_SOURCES) $(ELIX_SOURCES)
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libsearch_la_SOURCES = $(GENERAL_SOURCES) $(ELIX_2_SOURCES) $(ELIX_4_SOURCES)
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noinst_DATA = objectlist.awk.in
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else
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noinst_LIBRARIES = lib.a
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lib_a_SOURCES = $(GENERAL_SOURCES) $(ELIX_SOURCES)
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lib_a_SOURCES = $(GENERAL_SOURCES) $(ELIX_2_SOURCES) $(ELIX_4_SOURCES)
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lib_a_CFLAGS = $(AM_CFLAGS)
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noinst_DATA =
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endif # USE_LIBTOOL
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@ -49,7 +66,8 @@ SUFFIXES = .def
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CHEWOUT_FILES = \
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bsearch.def \
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qsort.def
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qsort.def \
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qsort_r.def
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CHEW = ../../doc/makedoc -f $(srcdir)/../../doc/doc.str
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@ -86,18 +86,22 @@ am__objects_1 = lib_a-bsearch.$(OBJEXT) lib_a-qsort.$(OBJEXT)
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@ELIX_LEVEL_1_FALSE@ lib_a-tfind.$(OBJEXT) \
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@ELIX_LEVEL_1_FALSE@ lib_a-tsearch.$(OBJEXT) \
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@ELIX_LEVEL_1_FALSE@ lib_a-twalk.$(OBJEXT)
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_3 = lib_a-bsd_qsort_r.$(OBJEXT) \
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ lib_a-qsort_r.$(OBJEXT)
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@USE_LIBTOOL_FALSE@am_lib_a_OBJECTS = $(am__objects_1) \
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@USE_LIBTOOL_FALSE@ $(am__objects_2)
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@USE_LIBTOOL_FALSE@ $(am__objects_2) $(am__objects_3)
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lib_a_OBJECTS = $(am_lib_a_OBJECTS)
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LTLIBRARIES = $(noinst_LTLIBRARIES)
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libsearch_la_LIBADD =
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am__objects_3 = bsearch.lo qsort.lo
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@ELIX_LEVEL_1_FALSE@am__objects_4 = hash.lo hash_bigkey.lo hash_buf.lo \
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am__objects_4 = bsearch.lo qsort.lo
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@ELIX_LEVEL_1_FALSE@am__objects_5 = hash.lo hash_bigkey.lo hash_buf.lo \
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@ELIX_LEVEL_1_FALSE@ hash_func.lo hash_log2.lo hash_page.lo \
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@ELIX_LEVEL_1_FALSE@ hcreate.lo hcreate_r.lo tdelete.lo \
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@ELIX_LEVEL_1_FALSE@ tdestroy.lo tfind.lo tsearch.lo twalk.lo
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@USE_LIBTOOL_TRUE@am_libsearch_la_OBJECTS = $(am__objects_3) \
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@USE_LIBTOOL_TRUE@ $(am__objects_4)
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_6 = bsd_qsort_r.lo \
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ qsort_r.lo
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@USE_LIBTOOL_TRUE@am_libsearch_la_OBJECTS = $(am__objects_4) \
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@USE_LIBTOOL_TRUE@ $(am__objects_5) $(am__objects_6)
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libsearch_la_OBJECTS = $(am_libsearch_la_OBJECTS)
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libsearch_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
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$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
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@ -278,7 +282,7 @@ GENERAL_SOURCES = \
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page.h \
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qsort.c
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@ELIX_LEVEL_1_FALSE@ELIX_SOURCES = \
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@ELIX_LEVEL_1_FALSE@ELIX_2_SOURCES = \
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@ELIX_LEVEL_1_FALSE@ hash.c \
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@ELIX_LEVEL_1_FALSE@ hash_bigkey.c \
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@ELIX_LEVEL_1_FALSE@ hash_buf.c \
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@ -293,19 +297,27 @@ GENERAL_SOURCES = \
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@ELIX_LEVEL_1_FALSE@ tsearch.c \
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@ELIX_LEVEL_1_FALSE@ twalk.c
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@ELIX_LEVEL_1_TRUE@ELIX_SOURCES =
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@ELIX_LEVEL_1_TRUE@ELIX_2_SOURCES =
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ELIX_4_SOURCES = \
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ bsd_qsort_r.c \
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ qsort_r.c
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_TRUE@ELIX_4_SOURCES =
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@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_TRUE@ELIX_4_SOURCES =
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@ELIX_LEVEL_1_TRUE@ELIX_4_SOURCES =
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libsearch_la_LDFLAGS = -Xcompiler -nostdlib
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@USE_LIBTOOL_TRUE@noinst_LTLIBRARIES = libsearch.la
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@USE_LIBTOOL_TRUE@libsearch_la_SOURCES = $(GENERAL_SOURCES) $(ELIX_SOURCES)
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@USE_LIBTOOL_TRUE@libsearch_la_SOURCES = $(GENERAL_SOURCES) $(ELIX_2_SOURCES) $(ELIX_4_SOURCES)
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@USE_LIBTOOL_FALSE@noinst_DATA =
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@USE_LIBTOOL_TRUE@noinst_DATA = objectlist.awk.in
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@USE_LIBTOOL_FALSE@noinst_LIBRARIES = lib.a
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@USE_LIBTOOL_FALSE@lib_a_SOURCES = $(GENERAL_SOURCES) $(ELIX_SOURCES)
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@USE_LIBTOOL_FALSE@lib_a_SOURCES = $(GENERAL_SOURCES) $(ELIX_2_SOURCES) $(ELIX_4_SOURCES)
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@USE_LIBTOOL_FALSE@lib_a_CFLAGS = $(AM_CFLAGS)
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SUFFIXES = .def
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CHEWOUT_FILES = \
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bsearch.def \
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qsort.def
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qsort.def \
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qsort_r.def
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CHEW = ../../doc/makedoc -f $(srcdir)/../../doc/doc.str
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TARGETDOC = ../tmp.texi
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@ -469,6 +481,18 @@ lib_a-twalk.o: twalk.c
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lib_a-twalk.obj: twalk.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-twalk.obj `if test -f 'twalk.c'; then $(CYGPATH_W) 'twalk.c'; else $(CYGPATH_W) '$(srcdir)/twalk.c'; fi`
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lib_a-bsd_qsort_r.o: bsd_qsort_r.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-bsd_qsort_r.o `test -f 'bsd_qsort_r.c' || echo '$(srcdir)/'`bsd_qsort_r.c
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lib_a-bsd_qsort_r.obj: bsd_qsort_r.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-bsd_qsort_r.obj `if test -f 'bsd_qsort_r.c'; then $(CYGPATH_W) 'bsd_qsort_r.c'; else $(CYGPATH_W) '$(srcdir)/bsd_qsort_r.c'; fi`
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lib_a-qsort_r.o: qsort_r.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-qsort_r.o `test -f 'qsort_r.c' || echo '$(srcdir)/'`qsort_r.c
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lib_a-qsort_r.obj: qsort_r.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-qsort_r.obj `if test -f 'qsort_r.c'; then $(CYGPATH_W) 'qsort_r.c'; else $(CYGPATH_W) '$(srcdir)/qsort_r.c'; fi`
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mostlyclean-libtool:
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-rm -f *.lo
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@ -0,0 +1,2 @@
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#define I_AM_QSORT_R
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#include "qsort.c"
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@ -53,11 +53,7 @@ PORTABILITY
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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@ -75,13 +71,21 @@ PORTABILITY
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*/
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#include <_ansi.h>
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#include <sys/cdefs.h>
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#include <stdlib.h>
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#ifndef __GNUC__
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#define inline
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#endif
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static inline char *med3 _PARAMS((char *, char *, char *, int (*)()));
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#if defined(I_AM_QSORT_R)
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typedef int cmp_t(void *, const void *, const void *);
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#elif defined(I_AM_GNU_QSORT_R)
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typedef int cmp_t(const void *, const void *, void *);
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#else
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typedef int cmp_t(const void *, const void *);
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#endif
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static inline char *med3 _PARAMS((char *, char *, char *, cmp_t *, void *));
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static inline void swapfunc _PARAMS((char *, char *, int, int));
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#define min(a, b) (a) < (b) ? a : b
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@ -91,10 +95,10 @@ static inline void swapfunc _PARAMS((char *, char *, int, int));
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*/
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#define swapcode(TYPE, parmi, parmj, n) { \
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long i = (n) / sizeof (TYPE); \
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register TYPE *pi = (TYPE *) (parmi); \
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register TYPE *pj = (TYPE *) (parmj); \
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TYPE *pi = (TYPE *) (parmi); \
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TYPE *pj = (TYPE *) (parmj); \
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do { \
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register TYPE t = *pi; \
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TYPE t = *pi; \
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*pi++ = *pj; \
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*pj++ = t; \
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} while (--i > 0); \
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@ -126,33 +130,67 @@ _DEFUN(swapfunc, (a, b, n, swaptype),
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#define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype)
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#if defined(I_AM_QSORT_R)
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#define CMP(t, x, y) (cmp((t), (x), (y)))
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#elif defined(I_AM_GNU_QSORT_R)
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#define CMP(t, x, y) (cmp((x), (y), (t)))
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#else
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#define CMP(t, x, y) (cmp((x), (y)))
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#endif
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static inline char *
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_DEFUN(med3, (a, b, c, cmp),
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_DEFUN(med3, (a, b, c, cmp, thunk),
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char *a _AND
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char *b _AND
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char *c _AND
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int (*cmp)())
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cmp_t *cmp _AND
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void *thunk
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#if !defined(I_AM_QSORT_R) && !defined(I_AM_GNU_QSORT_R)
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__unused
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#endif
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)
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{
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return cmp(a, b) < 0 ?
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(cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ))
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:(cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c ));
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return CMP(thunk, a, b) < 0 ?
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(CMP(thunk, b, c) < 0 ? b : (CMP(thunk, a, c) < 0 ? c : a ))
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:(CMP(thunk, b, c) > 0 ? b : (CMP(thunk, a, c) < 0 ? a : c ));
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}
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#if defined(I_AM_QSORT_R)
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void
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_DEFUN(__bsd_qsort_r, (a, n, es, thunk, cmp),
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void *a _AND
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size_t n _AND
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size_t es _AND
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||||
void *thunk _AND
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||||
cmp_t *cmp)
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||||
#elif defined(I_AM_GNU_QSORT_R)
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void
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_DEFUN(qsort_r, (a, n, es, cmp, thunk),
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void *a _AND
|
||||
size_t n _AND
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||||
size_t es _AND
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||||
cmp_t *cmp _AND
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void *thunk)
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#else
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#define thunk NULL
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void
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_DEFUN(qsort, (a, n, es, cmp),
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void *a _AND
|
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size_t n _AND
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||||
size_t es _AND
|
||||
int (*cmp)())
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||||
cmp_t *cmp)
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||||
#endif
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||||
{
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||||
char *pa, *pb, *pc, *pd, *pl, *pm, *pn;
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int d, r, swaptype, swap_cnt;
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size_t d, r;
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int cmp_result;
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int swaptype, swap_cnt;
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loop: SWAPINIT(a, es);
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swap_cnt = 0;
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if (n < 7) {
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for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es)
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for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
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for (pl = pm; pl > (char *) a && CMP(thunk, pl - es, pl) > 0;
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pl -= es)
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swap(pl, pl - es);
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return;
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||||
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@ -163,27 +201,27 @@ loop: SWAPINIT(a, es);
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pn = (char *) a + (n - 1) * es;
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if (n > 40) {
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d = (n / 8) * es;
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pl = med3(pl, pl + d, pl + 2 * d, cmp);
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pm = med3(pm - d, pm, pm + d, cmp);
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pn = med3(pn - 2 * d, pn - d, pn, cmp);
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pl = med3(pl, pl + d, pl + 2 * d, cmp, thunk);
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pm = med3(pm - d, pm, pm + d, cmp, thunk);
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pn = med3(pn - 2 * d, pn - d, pn, cmp, thunk);
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}
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pm = med3(pl, pm, pn, cmp);
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pm = med3(pl, pm, pn, cmp, thunk);
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||||
}
|
||||
swap(a, pm);
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pa = pb = (char *) a + es;
|
||||
|
||||
pc = pd = (char *) a + (n - 1) * es;
|
||||
for (;;) {
|
||||
while (pb <= pc && (r = cmp(pb, a)) <= 0) {
|
||||
if (r == 0) {
|
||||
while (pb <= pc && (cmp_result = CMP(thunk, pb, a)) <= 0) {
|
||||
if (cmp_result == 0) {
|
||||
swap_cnt = 1;
|
||||
swap(pa, pb);
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||||
pa += es;
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||||
}
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||||
pb += es;
|
||||
}
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||||
while (pb <= pc && (r = cmp(pc, a)) >= 0) {
|
||||
if (r == 0) {
|
||||
while (pb <= pc && (cmp_result = CMP(thunk, pc, a)) >= 0) {
|
||||
if (cmp_result == 0) {
|
||||
swap_cnt = 1;
|
||||
swap(pc, pd);
|
||||
pd -= es;
|
||||
|
|
@ -199,7 +237,7 @@ loop: SWAPINIT(a, es);
|
|||
}
|
||||
if (swap_cnt == 0) { /* Switch to insertion sort */
|
||||
for (pm = (char *) a + es; pm < (char *) a + n * es; pm += es)
|
||||
for (pl = pm; pl > (char *) a && cmp(pl - es, pl) > 0;
|
||||
for (pl = pm; pl > (char *) a && CMP(thunk, pl - es, pl) > 0;
|
||||
pl -= es)
|
||||
swap(pl, pl - es);
|
||||
return;
|
||||
|
|
@ -211,7 +249,13 @@ loop: SWAPINIT(a, es);
|
|||
r = min(pd - pc, pn - pd - es);
|
||||
vecswap(pb, pn - r, r);
|
||||
if ((r = pb - pa) > es)
|
||||
#if defined(I_AM_QSORT_R)
|
||||
__bsd_qsort_r(a, r / es, es, thunk, cmp);
|
||||
#elif defined(I_AM_GNU_QSORT_R)
|
||||
qsort_r(a, r / es, es, cmp, thunk);
|
||||
#else
|
||||
qsort(a, r / es, es, cmp);
|
||||
#endif
|
||||
if ((r = pd - pc) > es) {
|
||||
/* Iterate rather than recurse to save stack space */
|
||||
a = pn - r;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,56 @@
|
|||
/*
|
||||
FUNCTION
|
||||
<<qsort_r>>---sort an array
|
||||
|
||||
INDEX
|
||||
qsort_r
|
||||
|
||||
ANSI_SYNOPSIS
|
||||
#define _BSD_SOURCE
|
||||
#include <stdlib.h>
|
||||
void qsort_r(void *<[base]>, size_t <[nmemb]>, size_t <[size]>,
|
||||
void *<[thunk]>,
|
||||
int (*<[compar]>)(void*, const void *, const void *));
|
||||
|
||||
#define _GNU_SOURCE
|
||||
#include <stdlib.h>
|
||||
void qsort_r(void *<[base]>, size_t <[nmemb]>, size_t <[size]>,
|
||||
int (*<[compar]>)(const void *, const void *, void *),
|
||||
void *<[thunk]>);
|
||||
|
||||
TRAD_SYNOPSIS
|
||||
#include <stdlib.h>
|
||||
qsort_r(<[base]>, <[nmemb]>, <[size]>, <[compar]>, <[thumb]>)
|
||||
char *<[base]>;
|
||||
size_t <[nmemb]>;
|
||||
size_t <[size]>;
|
||||
int (*<[compar]>)();
|
||||
char *<[thumb]>;
|
||||
|
||||
DESCRIPTION
|
||||
<<qsort_r>> sorts an array (beginning at <[base]>) of <[nmemb]> objects.
|
||||
<[size]> describes the size of each element of the array.
|
||||
|
||||
You must supply a pointer to a comparison function, using the argument
|
||||
shown as <[compar]>. (This permits sorting objects of unknown
|
||||
properties.) There are two forms of this function, in each the
|
||||
comparison function is defined to accept three arguments, but in a
|
||||
different order. Two are pointers to an element of the array starting at
|
||||
<[base]>, and another being an arbitrary pointer <[thunk]>. The
|
||||
result of <<(*<[compar]>)>> must be negative if the first argument is
|
||||
less than the second, zero if the two arguments match, and positive if
|
||||
the first argument is greater than the second (where ``less than'' and
|
||||
``greater than'' refer to whatever arbitrary ordering is appropriate).
|
||||
|
||||
The array is sorted in place; that is, when <<qsort_r>> returns, the
|
||||
array elements beginning at <[base]> have been reordered.
|
||||
|
||||
RETURNS
|
||||
<<qsort_r>> does not return a result.
|
||||
|
||||
PORTABILITY
|
||||
<<qsort_r>>, in various forms, appears in both BSD and glibc.
|
||||
*/
|
||||
|
||||
#define I_AM_GNU_QSORT_R
|
||||
#include "qsort.c"
|
||||
Loading…
Reference in New Issue