From 7c7f472f2bedd4e8e8a8ca7648ec4b0a7097f47f Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos Date: Thu, 28 Aug 2014 09:21:16 +0200 Subject: [PATCH] gnulib: added strcasestr --- gl/Makefile.am | 51 ++++++++++++++- gl/fcntl.in.h | 16 +++++ gl/getdtablesize.c | 8 +++ gl/getpass.c | 2 + gl/m4/dup2.m4 | 12 +++- gl/m4/extern-inline.m4 | 31 ++++++--- gl/m4/fcntl.m4 | 12 +++- gl/m4/gnulib-cache.m4 | 3 +- gl/m4/gnulib-common.m4 | 68 +++++++++++++++++++- gl/m4/gnulib-comp.m4 | 32 ++++++++++ gl/m4/strcase.m4 | 45 +++++++++++++ gl/m4/strcasestr.m4 | 142 +++++++++++++++++++++++++++++++++++++++++ gl/m4/strings_h.m4 | 52 +++++++++++++++ gl/stdint.in.h | 3 +- gl/strcasecmp.c | 62 ++++++++++++++++++ gl/strcasestr.c | 82 ++++++++++++++++++++++++ gl/strings.in.h | 122 +++++++++++++++++++++++++++++++++++ gl/strncasecmp.c | 62 ++++++++++++++++++ gl/sys_types.in.h | 2 + gl/time.in.h | 11 +--- gl/unistd.in.h | 15 +++++ 21 files changed, 808 insertions(+), 25 deletions(-) create mode 100644 gl/m4/strcase.m4 create mode 100644 gl/m4/strcasestr.m4 create mode 100644 gl/m4/strings_h.m4 create mode 100644 gl/strcasecmp.c create mode 100644 gl/strcasestr.c create mode 100644 gl/strings.in.h create mode 100644 gl/strncasecmp.c diff --git a/gl/Makefile.am b/gl/Makefile.am index 8c6e8474..80308bf0 100644 --- a/gl/Makefile.am +++ b/gl/Makefile.am @@ -21,7 +21,7 @@ # the same distribution terms as the rest of that program. # # Generated by gnulib-tool. -# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --lgpl=2 --no-conditional-dependencies --no-libtool --macro-prefix=gl base64 c-ctype c-strcase cloexec getline getpass havelib memmem minmax +# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --lgpl=2 --no-conditional-dependencies --no-libtool --macro-prefix=gl base64 c-ctype c-strcase cloexec getline getpass havelib memmem minmax strcasestr AUTOMAKE_OPTIONS = 1.9.6 gnits @@ -751,6 +751,24 @@ EXTRA_DIST += stdlib.in.h ## end gnulib module stdlib +## begin gnulib module strcase + + +EXTRA_DIST += strcasecmp.c strncasecmp.c + +EXTRA_libgnu_a_SOURCES += strcasecmp.c strncasecmp.c + +## end gnulib module strcase + +## begin gnulib module strcasestr-simple + + +EXTRA_DIST += str-two-way.h strcasestr.c + +EXTRA_libgnu_a_SOURCES += strcasestr.c + +## end gnulib module strcasestr-simple + ## begin gnulib module strdup-posix @@ -860,6 +878,37 @@ EXTRA_DIST += string.in.h ## end gnulib module string +## begin gnulib module strings + +BUILT_SOURCES += strings.h + +# We need the following in order to create when the system +# doesn't have one that works with the given compiler. +strings.h: strings.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H) $(ARG_NONNULL_H) + $(AM_V_GEN)rm -f $@-t $@ && \ + { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \ + sed -e 's|@''GUARD_PREFIX''@|GL|g' \ + -e 's|@''HAVE_STRINGS_H''@|$(HAVE_STRINGS_H)|g' \ + -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \ + -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \ + -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \ + -e 's|@''NEXT_STRINGS_H''@|$(NEXT_STRINGS_H)|g' \ + -e 's|@''GNULIB_FFS''@|$(GNULIB_FFS)|g' \ + -e 's|@''HAVE_FFS''@|$(HAVE_FFS)|g' \ + -e 's|@''HAVE_STRCASECMP''@|$(HAVE_STRCASECMP)|g' \ + -e 's|@''HAVE_DECL_STRNCASECMP''@|$(HAVE_DECL_STRNCASECMP)|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)' \ + < $(srcdir)/strings.in.h; \ + } > $@-t && \ + mv $@-t $@ +MOSTLYCLEANFILES += strings.h strings.h-t + +EXTRA_DIST += strings.in.h + +## end gnulib module strings + ## begin gnulib module sys_stat BUILT_SOURCES += sys/stat.h diff --git a/gl/fcntl.in.h b/gl/fcntl.in.h index b69168f1..e77aa8a5 100644 --- a/gl/fcntl.in.h +++ b/gl/fcntl.in.h @@ -186,6 +186,22 @@ _GL_WARN_ON_USE (openat, "openat is not portable - " /* Fix up the O_* macros. */ +/* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT + to values outside 'int' range, so omit these misdefinitions. + But avoid namespace pollution on non-AIX systems. */ +#ifdef _AIX +# include +# if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX) +# undef O_CLOEXEC +# endif +# if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX) +# undef O_NOFOLLOW +# endif +# if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX) +# undef O_TTY_INIT +# endif +#endif + #if !defined O_DIRECT && defined O_DIRECTIO /* Tru64 spells it 'O_DIRECTIO'. */ # define O_DIRECT O_DIRECTIO diff --git a/gl/getdtablesize.c b/gl/getdtablesize.c index 7d55d297..3ddb93b5 100644 --- a/gl/getdtablesize.c +++ b/gl/getdtablesize.c @@ -104,4 +104,12 @@ rpl_getdtablesize(void) return getdtablesize (); } +#elif defined _SC_OPEN_MAX + +int +getdtablesize (void) +{ + return sysconf (_SC_OPEN_MAX); +} + #endif diff --git a/gl/getpass.c b/gl/getpass.c index b82d6633..ee2dcdb9 100644 --- a/gl/getpass.c +++ b/gl/getpass.c @@ -85,7 +85,9 @@ getpass (const char *prompt) { FILE *tty; FILE *in, *out; +# if HAVE_TCGETATTR struct termios s, t; +# endif bool tty_changed = false; static char *buf; static size_t bufsize; diff --git a/gl/m4/dup2.m4 b/gl/m4/dup2.m4 index 89638a0b..6498fc20 100644 --- a/gl/m4/dup2.m4 +++ b/gl/m4/dup2.m4 @@ -8,6 +8,7 @@ AC_DEFUN([gl_FUNC_DUP2], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CHECK_FUNCS_ONCE([getdtablesize]) m4_ifdef([gl_FUNC_DUP2_OBSOLETE], [ AC_CHECK_FUNCS_ONCE([dup2]) if test $ac_cv_func_dup2 = no; then @@ -23,6 +24,11 @@ AC_DEFUN([gl_FUNC_DUP2], #include #include ]], [int result = 0; +#ifdef HAVE_GETDTABLESIZE + int bad_fd = getdtablesize (); +#else + int bad_fd = 1000000; +#endif #ifdef FD_CLOEXEC if (fcntl (1, F_SETFD, FD_CLOEXEC) == -1) result |= 1; @@ -37,7 +43,7 @@ AC_DEFUN([gl_FUNC_DUP2], if (dup2 (0, 0) != -1) result |= 8; /* Many gnulib modules require POSIX conformance of EBADF. */ - if (dup2 (2, 1000000) == -1 && errno != EBADF) + if (dup2 (2, bad_fd) == -1 && errno != EBADF) result |= 16; /* Flush out some cygwin core dumps. */ if (dup2 (2, -1) != -1 || errno != EBADF) @@ -56,7 +62,9 @@ AC_DEFUN([gl_FUNC_DUP2], linux*) # On linux between 2008-07-27 and 2009-05-11, dup2 of a # closed fd may yield -EBADF instead of -1 / errno=EBADF. gl_cv_func_dup2_works="guessing no" ;; - freebsd*) # on FreeBSD 6.1, dup2(1,1000000) gives EMFILE, not EBADF. + aix* | freebsd*) + # on AIX 7.1 and FreeBSD 6.1, dup2 (1,toobig) gives EMFILE, + # not EBADF. gl_cv_func_dup2_works="guessing no" ;; haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC. gl_cv_func_dup2_works="guessing no" ;; diff --git a/gl/m4/extern-inline.m4 b/gl/m4/extern-inline.m4 index 240150ef..7f1bb397 100644 --- a/gl/m4/extern-inline.m4 +++ b/gl/m4/extern-inline.m4 @@ -19,13 +19,28 @@ AC_DEFUN([gl_EXTERN_INLINE], 'reference to static identifier "f" in extern inline function'. This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16. - Suppress the use of extern inline on problematic Apple configurations. - OS X 10.8 and earlier mishandle it; see, e.g., - . + Suppress extern inline (with or without __attribute__ ((__gnu_inline__))) + on configurations that mistakenly use 'static inline' to implement + functions or macros in standard C headers like . For example, + if isdigit is mistakenly implemented via a static inline function, + a program containing an extern inline function that calls isdigit + may not work since the C standard prohibits extern inline functions + from calling static functions. This bug is known to occur on: + + OS X 10.8 and earlier; see: + http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html + + DragonFly; see + http://muscles.dragonflybsd.org/bulk/bleeding-edge-potential/latest-per-pkg/ah-tty-0.3.12.log + + FreeBSD; see: + http://lists.gnu.org/archive/html/bug-gnulib/2014-07/msg00104.html + OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and for clang but remains for g++; see . - Perhaps Apple will fix this some day. */ -#if (defined __APPLE__ \ + Assume DragonFly and FreeBSD will be similar. */ +#if (((defined __APPLE__ && defined __MACH__) \ + || defined __DragonFly__ || defined __FreeBSD__) \ && (defined __header_inline \ ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \ && ! defined __clang__) \ @@ -33,19 +48,19 @@ AC_DEFUN([gl_EXTERN_INLINE], && (defined __GNUC__ || defined __cplusplus)) \ || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ && defined __GNUC__ && ! defined __cplusplus)))) -# define _GL_EXTERN_INLINE_APPLE_BUG +# define _GL_EXTERN_INLINE_STDHEADER_BUG #endif #if ((__GNUC__ \ ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ : (199901L <= __STDC_VERSION__ \ && !defined __HP_cc \ && !(defined __SUNPRO_C && __STDC__))) \ - && !defined _GL_EXTERN_INLINE_APPLE_BUG) + && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) # define _GL_INLINE inline # define _GL_EXTERN_INLINE extern inline # define _GL_EXTERN_INLINE_IN_USE #elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ - && !defined _GL_EXTERN_INLINE_APPLE_BUG) + && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) # if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ # define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) diff --git a/gl/m4/fcntl.m4 b/gl/m4/fcntl.m4 index 4a2771fa..f824beb6 100644 --- a/gl/m4/fcntl.m4 +++ b/gl/m4/fcntl.m4 @@ -19,7 +19,7 @@ AC_DEFUN([gl_FUNC_FCNTL], AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) AC_REQUIRE([AC_CANONICAL_HOST]) - AC_CHECK_FUNCS_ONCE([fcntl]) + AC_CHECK_FUNCS_ONCE([fcntl getdtablesize]) if test $ac_cv_func_fcntl = no; then gl_REPLACE_FCNTL else @@ -28,11 +28,21 @@ AC_DEFUN([gl_FUNC_FCNTL], AC_CACHE_CHECK([whether fcntl handles F_DUPFD correctly], [gl_cv_func_fcntl_f_dupfd_works], [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#ifdef HAVE_GETDTABLESIZE +# include +#endif #include #include ]], [[int result = 0; +#ifdef HAVE_GETDTABLESIZE + int bad_fd = getdtablesize (); +#else + int bad_fd = 1000000; +#endif if (fcntl (0, F_DUPFD, -1) != -1) result |= 1; if (errno != EINVAL) result |= 2; + if (fcntl (0, F_DUPFD, bad_fd) != -1) result |= 4; + if (errno != EINVAL) result |= 8; return result; ]])], [gl_cv_func_fcntl_f_dupfd_works=yes], diff --git a/gl/m4/gnulib-cache.m4 b/gl/m4/gnulib-cache.m4 index a4a2eabb..ea4fef62 100644 --- a/gl/m4/gnulib-cache.m4 +++ b/gl/m4/gnulib-cache.m4 @@ -27,7 +27,7 @@ # Specification in the form of a command-line invocation: -# gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --lgpl=2 --no-conditional-dependencies --no-libtool --macro-prefix=gl base64 c-ctype c-strcase cloexec getline getpass havelib memmem minmax +# gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --doc-base=doc --tests-base=gl/tests --aux-dir=build-aux --lgpl=2 --no-conditional-dependencies --no-libtool --macro-prefix=gl base64 c-ctype c-strcase cloexec getline getpass havelib memmem minmax strcasestr # Specification in the form of a few gnulib-tool.m4 macro invocations: gl_LOCAL_DIR([]) @@ -41,6 +41,7 @@ gl_MODULES([ havelib memmem minmax + strcasestr ]) gl_AVOID([]) gl_SOURCE_BASE([gl]) diff --git a/gl/m4/gnulib-common.m4 b/gl/m4/gnulib-common.m4 index 3b61b239..35f61952 100644 --- a/gl/m4/gnulib-common.m4 +++ b/gl/m4/gnulib-common.m4 @@ -1,4 +1,4 @@ -# gnulib-common.m4 serial 34 +# gnulib-common.m4 serial 35 dnl Copyright (C) 2007-2014 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -49,6 +49,16 @@ AC_DEFUN([gl_COMMON_BODY], [ is a misnomer outside of parameter lists. */ #define _UNUSED_PARAMETER_ _GL_UNUSED +/* gcc supports the "unused" attribute on possibly unused labels, and + g++ has since version 4.5. Note to support C++ as well as C, + _GL_UNUSED_LABEL should be used with a trailing ; */ +#if !defined __cplusplus || __GNUC__ > 4 \ + || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +# define _GL_UNUSED_LABEL _GL_UNUSED +#else +# define _GL_UNUSED_LABEL +#endif + /* The __pure__ attribute was added in gcc 2.96. */ #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) @@ -379,3 +389,59 @@ AC_DEFUN([gl_CACHE_VAL_SILENT], # AS_VAR_COPY was added in autoconf 2.63b m4_define_default([AS_VAR_COPY], [AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])]) + +# AC_PROG_SED was added in autoconf 2.59b +m4_ifndef([AC_PROG_SED], +[AC_DEFUN([AC_PROG_SED], +[AC_CACHE_CHECK([for a sed that does not truncate output], ac_cv_path_SED, + [dnl ac_script should not contain more than 99 commands (for HP-UX sed), + dnl but more than about 7000 bytes, to catch a limit in Solaris 8 /usr/ucb/sed. + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + AS_UNSET([ac_script]) + if test -z "$SED"; then + ac_path_SED_found=false + _AS_PATH_WALK([], [ + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + AS_EXECUTABLE_P(["$ac_path_SED"]) || continue + case `"$ac_path_SED" --version 2>&1` in + *GNU*) ac_cv_path_SED=$ac_path_SED ac_path_SED_found=:;; + *) + ac_count=0 + _AS_ECHO_N([0123456789]) >conftest.in + while : + do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >> conftest.nl + "$ac_path_SED" -f conftest.sed conftest.out 2>/dev/null || break + diff conftest.out conftest.nl >/dev/null 2>&1 || break + ac_count=`expr $ac_count + 1` + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best so far, but keep looking for better + ac_cv_path_SED=$ac_path_SED + ac_path_SED_max=$ac_count + fi + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; + esac + $ac_path_SED_found && break 3 + done + done]) + if test -z "$ac_cv_path_SED"; then + AC_ERROR([no acceptable sed could be found in \$PATH]) + fi + else + ac_cv_path_SED=$SED + fi + SED="$ac_cv_path_SED" + AC_SUBST([SED])dnl + rm -f conftest.sed +])])]) diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4 index dc3920f9..ca5c3bdb 100644 --- a/gl/m4/gnulib-comp.m4 +++ b/gl/m4/gnulib-comp.m4 @@ -85,8 +85,12 @@ AC_DEFUN([gl_EARLY], # Code from module stdint: # Code from module stdio: # Code from module stdlib: + # Code from module strcase: + # Code from module strcasestr: + # Code from module strcasestr-simple: # Code from module strdup-posix: # Code from module string: + # Code from module strings: # Code from module sys_stat: # Code from module sys_time: # Code from module sys_types: @@ -224,6 +228,26 @@ AC_DEFUN([gl_INIT], gl_STDINT_H gl_STDIO_H gl_STDLIB_H + gl_STRCASE + if test $HAVE_STRCASECMP = 0; then + AC_LIBOBJ([strcasecmp]) + gl_PREREQ_STRCASECMP + fi + if test $HAVE_STRNCASECMP = 0; then + AC_LIBOBJ([strncasecmp]) + gl_PREREQ_STRNCASECMP + fi + gl_FUNC_STRCASESTR + if test $HAVE_STRCASESTR = 0 || test $REPLACE_STRCASESTR = 1; then + AC_LIBOBJ([strcasestr]) + gl_PREREQ_STRCASESTR + fi + gl_FUNC_STRCASESTR_SIMPLE + if test $HAVE_STRCASESTR = 0 || test $REPLACE_STRCASESTR = 1; then + AC_LIBOBJ([strcasestr]) + gl_PREREQ_STRCASESTR + fi + gl_STRING_MODULE_INDICATOR([strcasestr]) gl_FUNC_STRDUP_POSIX if test $ac_cv_func_strdup = no || test $REPLACE_STRDUP = 1; then AC_LIBOBJ([strdup]) @@ -231,6 +255,7 @@ AC_DEFUN([gl_INIT], fi gl_STRING_MODULE_INDICATOR([strdup]) gl_HEADER_STRING_H + gl_HEADER_STRINGS_H gl_HEADER_SYS_STAT_H AC_PROG_MKDIR_P gl_HEADER_SYS_TIME_H @@ -427,8 +452,12 @@ AC_DEFUN([gl_FILE_LIST], [ lib/stdio.in.h lib/stdlib.in.h lib/str-two-way.h + lib/strcasecmp.c + lib/strcasestr.c lib/strdup.c lib/string.in.h + lib/strings.in.h + lib/strncasecmp.c lib/sys_stat.in.h lib/sys_time.in.h lib/sys_types.in.h @@ -478,8 +507,11 @@ AC_DEFUN([gl_FILE_LIST], [ m4/stdint.m4 m4/stdio_h.m4 m4/stdlib_h.m4 + m4/strcase.m4 + m4/strcasestr.m4 m4/strdup.m4 m4/string_h.m4 + m4/strings_h.m4 m4/sys_socket_h.m4 m4/sys_stat_h.m4 m4/sys_time_h.m4 diff --git a/gl/m4/strcase.m4 b/gl/m4/strcase.m4 new file mode 100644 index 00000000..66322b83 --- /dev/null +++ b/gl/m4/strcase.m4 @@ -0,0 +1,45 @@ +# strcase.m4 serial 11 +dnl Copyright (C) 2002, 2005-2014 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_STRCASE], +[ + gl_FUNC_STRCASECMP + gl_FUNC_STRNCASECMP +]) + +AC_DEFUN([gl_FUNC_STRCASECMP], +[ + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + AC_CHECK_FUNCS([strcasecmp]) + if test $ac_cv_func_strcasecmp = no; then + HAVE_STRCASECMP=0 + fi +]) + +AC_DEFUN([gl_FUNC_STRNCASECMP], +[ + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + AC_CHECK_FUNCS([strncasecmp]) + if test $ac_cv_func_strncasecmp = yes; then + HAVE_STRNCASECMP=1 + else + HAVE_STRNCASECMP=0 + fi + AC_CHECK_DECLS([strncasecmp]) + if test $ac_cv_have_decl_strncasecmp = no; then + HAVE_DECL_STRNCASECMP=0 + fi +]) + +# Prerequisites of lib/strcasecmp.c. +AC_DEFUN([gl_PREREQ_STRCASECMP], [ + : +]) + +# Prerequisites of lib/strncasecmp.c. +AC_DEFUN([gl_PREREQ_STRNCASECMP], [ + : +]) diff --git a/gl/m4/strcasestr.m4 b/gl/m4/strcasestr.m4 new file mode 100644 index 00000000..e2d87fe6 --- /dev/null +++ b/gl/m4/strcasestr.m4 @@ -0,0 +1,142 @@ +# strcasestr.m4 serial 21 +dnl Copyright (C) 2005, 2007-2014 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Check that strcasestr is present and works. +AC_DEFUN([gl_FUNC_STRCASESTR_SIMPLE], +[ + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + + dnl Persuade glibc to declare strcasestr(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_FUNC_MEMCHR]) + AC_CHECK_FUNCS([strcasestr]) + if test $ac_cv_func_strcasestr = no; then + HAVE_STRCASESTR=0 + else + if test "$gl_cv_func_memchr_works" != yes; then + REPLACE_STRCASESTR=1 + else + dnl Detect http://sourceware.org/bugzilla/show_bug.cgi?id=12092. + AC_CACHE_CHECK([whether strcasestr works], + [gl_cv_func_strcasestr_works_always], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include /* for strcasestr */ +#define P "_EF_BF_BD" +#define HAYSTACK "F_BD_CE_BD" P P P P "_C3_88_20" P P P "_C3_A7_20" P +#define NEEDLE P P P P P +]], [[return !!strcasestr (HAYSTACK, NEEDLE); + ]])], + [gl_cv_func_strcasestr_works_always=yes], + [gl_cv_func_strcasestr_works_always=no], + [dnl glibc 2.12 and cygwin 1.7.7 have a known bug. uClibc is not + dnl affected, since it uses different source code for strcasestr + dnl than glibc. + dnl Assume that it works on all other platforms, even if it is not + dnl linear. + AC_EGREP_CPP([Lucky user], + [ +#ifdef __GNU_LIBRARY__ + #include + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \ + || defined __UCLIBC__ + Lucky user + #endif +#elif defined __CYGWIN__ + #include + #if CYGWIN_VERSION_DLL_COMBINED > CYGWIN_VERSION_DLL_MAKE_COMBINED (1007, 7) + Lucky user + #endif +#else + Lucky user +#endif + ], + [gl_cv_func_strcasestr_works_always="guessing yes"], + [gl_cv_func_strcasestr_works_always="guessing no"]) + ]) + ]) + case "$gl_cv_func_strcasestr_works_always" in + *yes) ;; + *) + REPLACE_STRCASESTR=1 + ;; + esac + fi + fi +]) # gl_FUNC_STRCASESTR_SIMPLE + +dnl Additionally, check that strcasestr is efficient. +AC_DEFUN([gl_FUNC_STRCASESTR], +[ + AC_REQUIRE([gl_FUNC_STRCASESTR_SIMPLE]) + if test $HAVE_STRCASESTR = 1 && test $REPLACE_STRCASESTR = 0; then + AC_CACHE_CHECK([whether strcasestr works in linear time], + [gl_cv_func_strcasestr_linear], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ +#include /* for signal */ +#include /* for strcasestr */ +#include /* for malloc */ +#include /* for alarm */ +static void quit (int sig) { exit (sig + 128); } +]], [[ + int result = 0; + size_t m = 1000000; + char *haystack = (char *) malloc (2 * m + 2); + char *needle = (char *) malloc (m + 2); + /* Failure to compile this test due to missing alarm is okay, + since all such platforms (mingw) also lack strcasestr. */ + signal (SIGALRM, quit); + alarm (5); + /* Check for quadratic performance. */ + if (haystack && needle) + { + memset (haystack, 'A', 2 * m); + haystack[2 * m] = 'B'; + haystack[2 * m + 1] = 0; + memset (needle, 'A', m); + needle[m] = 'B'; + needle[m + 1] = 0; + if (!strcasestr (haystack, needle)) + result |= 1; + } + return result; + ]])], + [gl_cv_func_strcasestr_linear=yes], [gl_cv_func_strcasestr_linear=no], + [dnl Only glibc > 2.12 and cygwin > 1.7.7 are known to have a + dnl strcasestr that works in linear time. + AC_EGREP_CPP([Lucky user], + [ +#include +#ifdef __GNU_LIBRARY__ + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ > 12) || (__GLIBC__ > 2)) \ + && !defined __UCLIBC__ + Lucky user + #endif +#endif +#ifdef __CYGWIN__ + #include + #if CYGWIN_VERSION_DLL_COMBINED > CYGWIN_VERSION_DLL_MAKE_COMBINED (1007, 7) + Lucky user + #endif +#endif + ], + [gl_cv_func_strcasestr_linear="guessing yes"], + [gl_cv_func_strcasestr_linear="guessing no"]) + ]) + ]) + case "$gl_cv_func_strcasestr_linear" in + *yes) ;; + *) + REPLACE_STRCASESTR=1 + ;; + esac + fi +]) # gl_FUNC_STRCASESTR + +# Prerequisites of lib/strcasestr.c. +AC_DEFUN([gl_PREREQ_STRCASESTR], [ + : +]) diff --git a/gl/m4/strings_h.m4 b/gl/m4/strings_h.m4 new file mode 100644 index 00000000..0eac17ca --- /dev/null +++ b/gl/m4/strings_h.m4 @@ -0,0 +1,52 @@ +# Configure a replacement for . +# serial 6 + +# Copyright (C) 2007, 2009-2014 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_HEADER_STRINGS_H], +[ + dnl Use AC_REQUIRE here, so that the default behavior below is expanded + dnl once only, before all statements that occur in other macros. + AC_REQUIRE([gl_HEADER_STRINGS_H_BODY]) +]) + +AC_DEFUN([gl_HEADER_STRINGS_H_BODY], +[ + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + + gl_CHECK_NEXT_HEADERS([strings.h]) + if test $ac_cv_header_strings_h = yes; then + HAVE_STRINGS_H=1 + else + HAVE_STRINGS_H=0 + fi + AC_SUBST([HAVE_STRINGS_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([[ + /* Minix 3.1.8 has a bug: must be included before + . */ + #include + #include + ]], [ffs strcasecmp strncasecmp]) +]) + +AC_DEFUN([gl_STRINGS_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS], +[ + GNULIB_FFS=0; AC_SUBST([GNULIB_FFS]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_FFS=1; AC_SUBST([HAVE_FFS]) + HAVE_STRCASECMP=1; AC_SUBST([HAVE_STRCASECMP]) + HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP]) +]) diff --git a/gl/stdint.in.h b/gl/stdint.in.h index 18b661a1..ef4cf91e 100644 --- a/gl/stdint.in.h +++ b/gl/stdint.in.h @@ -38,8 +38,7 @@ other system header files; just include the system's . Ideally we should test __BIONIC__ here, but it is only defined after has been included; hence test __ANDROID__ instead. */ -#if defined __ANDROID__ \ - && defined _SYS_TYPES_H_ && !defined __need_size_t +#if defined __ANDROID__ && defined _GL_INCLUDING_SYS_TYPES_H # @INCLUDE_NEXT@ @NEXT_STDINT_H@ #else diff --git a/gl/strcasecmp.c b/gl/strcasecmp.c new file mode 100644 index 00000000..67e5d3d0 --- /dev/null +++ b/gl/strcasecmp.c @@ -0,0 +1,62 @@ +/* Case-insensitive string comparison function. + Copyright (C) 1998-1999, 2005-2007, 2009-2014 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . */ + +#include + +/* Specification. */ +#include + +#include +#include + +#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) + +/* Compare strings S1 and S2, ignoring case, returning less than, equal to or + greater than zero if S1 is lexicographically less than, equal to or greater + than S2. + Note: This function does not work with multibyte strings! */ + +int +strcasecmp (const char *s1, const char *s2) +{ + const unsigned char *p1 = (const unsigned char *) s1; + const unsigned char *p2 = (const unsigned char *) s2; + unsigned char c1, c2; + + if (p1 == p2) + return 0; + + do + { + c1 = TOLOWER (*p1); + c2 = TOLOWER (*p2); + + if (c1 == '\0') + break; + + ++p1; + ++p2; + } + while (c1 == c2); + + if (UCHAR_MAX <= INT_MAX) + return c1 - c2; + else + /* On machines where 'char' and 'int' are types of the same size, the + difference of two 'unsigned char' values - including the sign bit - + doesn't fit in an 'int'. */ + return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0); +} diff --git a/gl/strcasestr.c b/gl/strcasestr.c new file mode 100644 index 00000000..b154229b --- /dev/null +++ b/gl/strcasestr.c @@ -0,0 +1,82 @@ +/* Case-insensitive searching in a string. + Copyright (C) 2005-2014 Free Software Foundation, Inc. + Written by Bruno Haible , 2005. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . */ + +#include + +/* Specification. */ +#include + +#include +#include +#include + +#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) + +/* Two-Way algorithm. */ +#define RETURN_TYPE char * +#define AVAILABLE(h, h_l, j, n_l) \ + (!memchr ((h) + (h_l), '\0', (j) + (n_l) - (h_l)) \ + && ((h_l) = (j) + (n_l))) +#define CANON_ELEMENT(c) TOLOWER (c) +#define CMP_FUNC(p1, p2, l) \ + strncasecmp ((const char *) (p1), (const char *) (p2), l) +#include "str-two-way.h" + +/* Find the first occurrence of NEEDLE in HAYSTACK, using + case-insensitive comparison. This function gives unspecified + results in multibyte locales. */ +char * +strcasestr (const char *haystack_start, const char *needle_start) +{ + const char *haystack = haystack_start; + const char *needle = needle_start; + size_t needle_len; /* Length of NEEDLE. */ + size_t haystack_len; /* Known minimum length of HAYSTACK. */ + bool ok = true; /* True if NEEDLE is prefix of HAYSTACK. */ + + /* Determine length of NEEDLE, and in the process, make sure + HAYSTACK is at least as long (no point processing all of a long + NEEDLE if HAYSTACK is too short). */ + while (*haystack && *needle) + { + ok &= (TOLOWER ((unsigned char) *haystack) + == TOLOWER ((unsigned char) *needle)); + haystack++; + needle++; + } + if (*needle) + return NULL; + if (ok) + return (char *) haystack_start; + needle_len = needle - needle_start; + haystack = haystack_start + 1; + haystack_len = needle_len - 1; + + /* Perform the search. Abstract memory is considered to be an array + of 'unsigned char' values, not an array of 'char' values. See + ISO C 99 section 6.2.6.1. */ + if (needle_len < LONG_NEEDLE_THRESHOLD) + return two_way_short_needle ((const unsigned char *) haystack, + haystack_len, + (const unsigned char *) needle_start, + needle_len); + return two_way_long_needle ((const unsigned char *) haystack, haystack_len, + (const unsigned char *) needle_start, + needle_len); +} + +#undef LONG_NEEDLE_THRESHOLD diff --git a/gl/strings.in.h b/gl/strings.in.h new file mode 100644 index 00000000..6d06eeb7 --- /dev/null +++ b/gl/strings.in.h @@ -0,0 +1,122 @@ +/* A substitute . + + Copyright (C) 2007-2014 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . */ + +#ifndef _@GUARD_PREFIX@_STRINGS_H + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif +@PRAGMA_COLUMNS@ + +/* Minix 3.1.8 has a bug: must be included before . + But avoid namespace pollution on glibc systems. */ +#if defined __minix && !defined __GLIBC__ +# include +#endif + +/* The include_next requires a split double-inclusion guard. */ +#if @HAVE_STRINGS_H@ +# @INCLUDE_NEXT@ @NEXT_STRINGS_H@ +#endif + +#ifndef _@GUARD_PREFIX@_STRINGS_H +#define _@GUARD_PREFIX@_STRINGS_H + +#if ! @HAVE_DECL_STRNCASECMP@ +/* Get size_t. */ +# include +#endif + + +/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ + +/* The definition of _GL_ARG_NONNULL is copied here. */ + +/* The definition of _GL_WARN_ON_USE is copied here. */ + +#ifdef __cplusplus +extern "C" { +#endif + + + /* Find the index of the least-significant set bit. */ +#if @GNULIB_FFS@ +# if !@HAVE_FFS@ +_GL_FUNCDECL_SYS (ffs, int, (int i)); +# endif +_GL_CXXALIAS_SYS (ffs, int, (int i)); +_GL_CXXALIASWARN (ffs); +#elif defined GNULIB_POSIXCHECK +# undef ffs +# if HAVE_RAW_DECL_FFS +_GL_WARN_ON_USE (ffs, "ffs is not portable - use the ffs module"); +# endif +#endif + +/* Compare strings S1 and S2, ignoring case, returning less than, equal to or + greater than zero if S1 is lexicographically less than, equal to or greater + than S2. + Note: This function does not work in multibyte locales. */ +#if ! @HAVE_STRCASECMP@ +extern int strcasecmp (char const *s1, char const *s2) + _GL_ARG_NONNULL ((1, 2)); +#endif +#if defined GNULIB_POSIXCHECK +/* strcasecmp() does not work with multibyte strings: + POSIX says that it operates on "strings", and "string" in POSIX is defined + as a sequence of bytes, not of characters. */ +# undef strcasecmp +# if HAVE_RAW_DECL_STRCASECMP +_GL_WARN_ON_USE (strcasecmp, "strcasecmp cannot work correctly on character " + "strings in multibyte locales - " + "use mbscasecmp if you care about " + "internationalization, or use c_strcasecmp , " + "gnulib module c-strcase) if you want a locale " + "independent function"); +# endif +#endif + +/* Compare no more than N bytes of strings S1 and S2, ignoring case, + returning less than, equal to or greater than zero if S1 is + lexicographically less than, equal to or greater than S2. + Note: This function cannot work correctly in multibyte locales. */ +#if ! @HAVE_DECL_STRNCASECMP@ +extern int strncasecmp (char const *s1, char const *s2, size_t n) + _GL_ARG_NONNULL ((1, 2)); +#endif +#if defined GNULIB_POSIXCHECK +/* strncasecmp() does not work with multibyte strings: + POSIX says that it operates on "strings", and "string" in POSIX is defined + as a sequence of bytes, not of characters. */ +# undef strncasecmp +# if HAVE_RAW_DECL_STRNCASECMP +_GL_WARN_ON_USE (strncasecmp, "strncasecmp cannot work correctly on character " + "strings in multibyte locales - " + "use mbsncasecmp or mbspcasecmp if you care about " + "internationalization, or use c_strncasecmp , " + "gnulib module c-strcase) if you want a locale " + "independent function"); +# endif +#endif + + +#ifdef __cplusplus +} +#endif + +#endif /* _@GUARD_PREFIX@_STRING_H */ +#endif /* _@GUARD_PREFIX@_STRING_H */ diff --git a/gl/strncasecmp.c b/gl/strncasecmp.c new file mode 100644 index 00000000..66cf65ed --- /dev/null +++ b/gl/strncasecmp.c @@ -0,0 +1,62 @@ +/* strncasecmp.c -- case insensitive string comparator + Copyright (C) 1998-1999, 2005-2007, 2009-2014 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . */ + +#include + +/* Specification. */ +#include + +#include +#include + +#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) + +/* Compare no more than N bytes of strings S1 and S2, ignoring case, + returning less than, equal to or greater than zero if S1 is + lexicographically less than, equal to or greater than S2. + Note: This function cannot work correctly in multibyte locales. */ + +int +strncasecmp (const char *s1, const char *s2, size_t n) +{ + register const unsigned char *p1 = (const unsigned char *) s1; + register const unsigned char *p2 = (const unsigned char *) s2; + unsigned char c1, c2; + + if (p1 == p2 || n == 0) + return 0; + + do + { + c1 = TOLOWER (*p1); + c2 = TOLOWER (*p2); + + if (--n == 0 || c1 == '\0') + break; + + ++p1; + ++p2; + } + while (c1 == c2); + + if (UCHAR_MAX <= INT_MAX) + return c1 - c2; + else + /* On machines where 'char' and 'int' are types of the same size, the + difference of two 'unsigned char' values - including the sign bit - + doesn't fit in an 'int'. */ + return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0); +} diff --git a/gl/sys_types.in.h b/gl/sys_types.in.h index 6896277c..40c8d57b 100644 --- a/gl/sys_types.in.h +++ b/gl/sys_types.in.h @@ -23,7 +23,9 @@ #ifndef _@GUARD_PREFIX@_SYS_TYPES_H /* The include_next requires a split double-inclusion guard. */ +# define _GL_INCLUDING_SYS_TYPES_H #@INCLUDE_NEXT@ @NEXT_SYS_TYPES_H@ +# undef _GL_INCLUDING_SYS_TYPES_H #ifndef _@GUARD_PREFIX@_SYS_TYPES_H #define _@GUARD_PREFIX@_SYS_TYPES_H diff --git a/gl/time.in.h b/gl/time.in.h index 04c0fd59..c8452ccd 100644 --- a/gl/time.in.h +++ b/gl/time.in.h @@ -48,20 +48,13 @@ /* Some systems don't define struct timespec (e.g., AIX 4.1, Ultrix 4.3). Or they define it with the wrong member names or define it in - (e.g., FreeBSD circa 1997). Stock Mingw does not define it, but the - pthreads-win32 library defines it in . */ + (e.g., FreeBSD circa 1997). Stock Mingw prior to 3.0 does not define it, + but the pthreads-win32 library defines it in . */ # if ! @TIME_H_DEFINES_STRUCT_TIMESPEC@ # if @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@ # include # elif @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@ # include -/* The pthreads-win32 also defines a couple of broken macros. */ -# undef asctime_r -# undef ctime_r -# undef gmtime_r -# undef localtime_r -# undef rand_r -# undef strtok_r # else # ifdef __cplusplus diff --git a/gl/unistd.in.h b/gl/unistd.in.h index 317506df..1f3903df 100644 --- a/gl/unistd.in.h +++ b/gl/unistd.in.h @@ -21,9 +21,23 @@ #endif @PRAGMA_COLUMNS@ +#ifdef _GL_INCLUDING_UNISTD_H +/* Special invocation convention: + - On Mac OS X 10.3.9 we have a sequence of nested includes + -> -> -> + In this situation, the functions are not yet declared, therefore we cannot + provide the C++ aliases. */ + +#@INCLUDE_NEXT@ @NEXT_UNISTD_H@ + +#else +/* Normal invocation convention. */ + /* The include_next requires a split double-inclusion guard. */ #if @HAVE_UNISTD_H@ +# define _GL_INCLUDING_UNISTD_H # @INCLUDE_NEXT@ @NEXT_UNISTD_H@ +# undef _GL_INCLUDING_UNISTD_H #endif /* Get all possible declarations of gethostname(). */ @@ -1539,4 +1553,5 @@ _GL_CXXALIASWARN (write); _GL_INLINE_HEADER_END #endif /* _@GUARD_PREFIX@_UNISTD_H */ +#endif /* _GL_INCLUDING_UNISTD_H */ #endif /* _@GUARD_PREFIX@_UNISTD_H */