From f642b4b77a054af9aa92b2336c09a9f770a1efca Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Sat, 14 May 2011 00:28:19 +0000 Subject: [PATCH] [backfire] uclibc: backport strverscmp(), versionsort() and versionsort64() from uClibc git, required by at least alsa-lib SVN-Revision: 26888 --- .../903-backport-strverscmp_versionsort.patch | 222 ++++++++++++++++++ .../903-backport-strverscmp_versionsort.patch | 222 ++++++++++++++++++ .../903-backport-strverscmp_versionsort.patch | 222 ++++++++++++++++++ 3 files changed, 666 insertions(+) create mode 100644 toolchain/uClibc/patches-0.9.30.1/903-backport-strverscmp_versionsort.patch create mode 100644 toolchain/uClibc/patches-0.9.30.2/903-backport-strverscmp_versionsort.patch create mode 100644 toolchain/uClibc/patches-0.9.30.3/903-backport-strverscmp_versionsort.patch diff --git a/toolchain/uClibc/patches-0.9.30.1/903-backport-strverscmp_versionsort.patch b/toolchain/uClibc/patches-0.9.30.1/903-backport-strverscmp_versionsort.patch new file mode 100644 index 0000000000..14ccfd3f83 --- /dev/null +++ b/toolchain/uClibc/patches-0.9.30.1/903-backport-strverscmp_versionsort.patch @@ -0,0 +1,222 @@ +diff -urN a/include/dirent.h b/include/dirent.h +--- a/include/dirent.h 2011-03-14 09:54:12.980183443 +0300 ++++ b/include/dirent.h 2011-03-14 10:07:34.290183418 +0300 +@@ -286,6 +286,25 @@ + __THROW __attribute_pure__ __nonnull ((1, 2)); + # endif + ++/* Function to compare two `struct dirent's alphabetically. */ ++# ifndef __USE_FILE_OFFSET64 ++extern int versionsort (__const void *__e1, __const void *__e2) ++ __THROW __attribute_pure__ __nonnull ((1, 2)); ++# else ++# ifdef __REDIRECT ++extern int __REDIRECT (versionsort, ++ (__const void *__e1, __const void *__e2), ++ versionsort64) __attribute_pure__ __nonnull ((1, 2)); ++# else ++# define versionsort versionsort64 ++# endif ++# endif ++ ++# if defined __USE_GNU && defined __USE_LARGEFILE64 ++extern int versionsort64 (__const void *__e1, __const void *__e2) ++ __THROW __attribute_pure__ __nonnull ((1, 2)); ++# endif ++ + #endif /* Use BSD or misc. */ + + __END_DECLS +diff -urN a/include/string.h b/include/string.h +--- a/include/string.h 2011-03-14 09:54:12.982185223 +0300 ++++ b/include/string.h 2011-03-14 10:08:45.551183543 +0300 +@@ -442,11 +442,9 @@ + + #ifdef __USE_GNU + /* Compare S1 and S2 as strings holding name & indices/version numbers. */ +-#if 0 + extern int strverscmp (__const char *__s1, __const char *__s2) + __THROW __attribute_pure__ __nonnull ((1, 2)); + libc_hidden_proto(strverscmp) +-#endif + + /* Return a string describing the meaning of the signal number in SIG. */ + extern char *strsignal (int __sig) __THROW; +diff -urN a/libc/misc/dirent/Makefile.in b/libc/misc/dirent/Makefile.in +--- a/libc/misc/dirent/Makefile.in 2011-03-14 09:54:13.071183374 +0300 ++++ b/libc/misc/dirent/Makefile.in 2011-03-14 10:09:44.544183543 +0300 +@@ -6,10 +6,10 @@ + # + + CSRC := alphasort.c closedir.c dirfd.c opendir.c readdir.c rewinddir.c \ +- scandir.c seekdir.c telldir.c readdir_r.c ++ scandir.c seekdir.c telldir.c readdir_r.c versionsort.c + + ifeq ($(UCLIBC_HAS_LFS),y) +-CSRC += readdir64.c alphasort64.c scandir64.c readdir64_r.c ++CSRC += readdir64.c alphasort64.c scandir64.c readdir64_r.c versionsort64.c + endif + + MISC_DIRENT_DIR := $(top_srcdir)libc/misc/dirent +diff -urN a/libc/misc/dirent/versionsort64.c b/libc/misc/dirent/versionsort64.c +--- a/libc/misc/dirent/versionsort64.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/misc/dirent/versionsort64.c 2011-03-14 10:11:05.459183378 +0300 +@@ -0,0 +1,17 @@ ++/* ++ * Copyright (C) 2008-2009 Hai Zaar, Codefidence Ltd ++ * ++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++ */ ++ ++#include <_lfs_64.h> ++ ++#include ++#include ++#include "dirstream.h" ++ ++int versionsort64(const void *a, const void *b) ++{ ++ return strverscmp((*(const struct dirent64 **) a)->d_name, ++ (*(const struct dirent64 **) b)->d_name); ++} +diff -urN a/libc/misc/dirent/versionsort.c b/libc/misc/dirent/versionsort.c +--- a/libc/misc/dirent/versionsort.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/misc/dirent/versionsort.c 2011-03-14 10:10:33.191183386 +0300 +@@ -0,0 +1,15 @@ ++/* ++ * Copyright (C) 2008-2009 Hai Zaar, Codefidence Ltd ++ * ++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++ */ ++ ++#include ++#include ++#include "dirstream.h" ++ ++int versionsort(const void *a, const void *b) ++{ ++ return strverscmp((*(const struct dirent **) a)->d_name, ++ (*(const struct dirent **) b)->d_name); ++} +diff -urN a/libc/string/strverscmp.c b/libc/string/strverscmp.c +--- a/libc/string/strverscmp.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/string/strverscmp.c 2011-03-14 10:03:35.000000000 +0300 +@@ -0,0 +1,118 @@ ++/* GNU's strverscmp() function, taken from glibc 2.3.2 sources ++ */ ++ ++/* Compare strings while treating digits characters numerically. ++ Copyright (C) 1997, 2002 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Jean-François Bignolles , 1997. ++ ++ Derived work for uClibc by Hai Zaar, Codefidence Ltd ++ ++ The GNU C Library 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 of the License, or (at your option) any later version. ++ ++ The GNU C Library 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 the GNU C Library; if not, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#include ++#include ++#include ++ ++ ++/* states: S_N: normal, S_I: comparing integral part, S_F: comparing ++ fractional parts, S_Z: idem but with leading Zeroes only */ ++#define S_N 0x0 ++#define S_I 0x4 ++#define S_F 0x8 ++#define S_Z 0xC ++ ++/* result_type: CMP: return diff; LEN: compare using len_diff/diff */ ++#define CMP 2 ++#define LEN 3 ++ ++/* using more efficient isdigit() */ ++#undef isdigit ++#define isdigit(a) ((unsigned)((a) - '0') <= 9) ++ ++/* Compare S1 and S2 as strings holding indices/version numbers, ++ returning less than, equal to or greater than zero if S1 is less than, ++ equal to or greater than S2 (for more info, see the texinfo doc). ++*/ ++int strverscmp (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; ++ int state; ++ int diff; ++ ++ /* Symbol(s) 0 [1-9] others (padding) ++ Transition (10) 0 (01) d (00) x (11) - */ ++ static const uint8_t next_state[] = ++ { ++ /* state x d 0 - */ ++ /* S_N */ S_N, S_I, S_Z, S_N, ++ /* S_I */ S_N, S_I, S_I, S_I, ++ /* S_F */ S_N, S_F, S_F, S_F, ++ /* S_Z */ S_N, S_F, S_Z, S_Z ++ }; ++ ++ static const int8_t result_type[] = ++ { ++ /* state x/x x/d x/0 x/- d/x d/d d/0 d/- ++ 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */ ++ ++ /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, ++ CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, ++ /* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP, ++ +1, LEN, LEN, CMP, CMP, CMP, CMP, CMP, ++ /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, ++ CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, ++ /* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP, ++ -1, CMP, CMP, CMP ++ }; ++ ++ if (p1 == p2) ++ return 0; ++ ++ c1 = *p1++; ++ c2 = *p2++; ++ /* Hint: '0' is a digit too. */ ++ state = S_N | ((c1 == '0') + (isdigit (c1) != 0)); ++ ++ while ((diff = c1 - c2) == 0 && c1 != '\0') ++ { ++ state = next_state[state]; ++ c1 = *p1++; ++ c2 = *p2++; ++ state |= (c1 == '0') + (isdigit (c1) != 0); ++ } ++ ++ state = result_type[state << 2 | (((c2 == '0') + (isdigit (c2) != 0)))]; ++ ++ switch (state) ++ { ++ case CMP: ++ return diff; ++ ++ case LEN: ++ while (isdigit (*p1++)) ++ if (!isdigit (*p2++)) ++ return 1; ++ ++ return isdigit (*p2) ? -1 : diff; ++ ++ default: ++ return state; ++ } ++} ++libc_hidden_def(strverscmp) diff --git a/toolchain/uClibc/patches-0.9.30.2/903-backport-strverscmp_versionsort.patch b/toolchain/uClibc/patches-0.9.30.2/903-backport-strverscmp_versionsort.patch new file mode 100644 index 0000000000..14ccfd3f83 --- /dev/null +++ b/toolchain/uClibc/patches-0.9.30.2/903-backport-strverscmp_versionsort.patch @@ -0,0 +1,222 @@ +diff -urN a/include/dirent.h b/include/dirent.h +--- a/include/dirent.h 2011-03-14 09:54:12.980183443 +0300 ++++ b/include/dirent.h 2011-03-14 10:07:34.290183418 +0300 +@@ -286,6 +286,25 @@ + __THROW __attribute_pure__ __nonnull ((1, 2)); + # endif + ++/* Function to compare two `struct dirent's alphabetically. */ ++# ifndef __USE_FILE_OFFSET64 ++extern int versionsort (__const void *__e1, __const void *__e2) ++ __THROW __attribute_pure__ __nonnull ((1, 2)); ++# else ++# ifdef __REDIRECT ++extern int __REDIRECT (versionsort, ++ (__const void *__e1, __const void *__e2), ++ versionsort64) __attribute_pure__ __nonnull ((1, 2)); ++# else ++# define versionsort versionsort64 ++# endif ++# endif ++ ++# if defined __USE_GNU && defined __USE_LARGEFILE64 ++extern int versionsort64 (__const void *__e1, __const void *__e2) ++ __THROW __attribute_pure__ __nonnull ((1, 2)); ++# endif ++ + #endif /* Use BSD or misc. */ + + __END_DECLS +diff -urN a/include/string.h b/include/string.h +--- a/include/string.h 2011-03-14 09:54:12.982185223 +0300 ++++ b/include/string.h 2011-03-14 10:08:45.551183543 +0300 +@@ -442,11 +442,9 @@ + + #ifdef __USE_GNU + /* Compare S1 and S2 as strings holding name & indices/version numbers. */ +-#if 0 + extern int strverscmp (__const char *__s1, __const char *__s2) + __THROW __attribute_pure__ __nonnull ((1, 2)); + libc_hidden_proto(strverscmp) +-#endif + + /* Return a string describing the meaning of the signal number in SIG. */ + extern char *strsignal (int __sig) __THROW; +diff -urN a/libc/misc/dirent/Makefile.in b/libc/misc/dirent/Makefile.in +--- a/libc/misc/dirent/Makefile.in 2011-03-14 09:54:13.071183374 +0300 ++++ b/libc/misc/dirent/Makefile.in 2011-03-14 10:09:44.544183543 +0300 +@@ -6,10 +6,10 @@ + # + + CSRC := alphasort.c closedir.c dirfd.c opendir.c readdir.c rewinddir.c \ +- scandir.c seekdir.c telldir.c readdir_r.c ++ scandir.c seekdir.c telldir.c readdir_r.c versionsort.c + + ifeq ($(UCLIBC_HAS_LFS),y) +-CSRC += readdir64.c alphasort64.c scandir64.c readdir64_r.c ++CSRC += readdir64.c alphasort64.c scandir64.c readdir64_r.c versionsort64.c + endif + + MISC_DIRENT_DIR := $(top_srcdir)libc/misc/dirent +diff -urN a/libc/misc/dirent/versionsort64.c b/libc/misc/dirent/versionsort64.c +--- a/libc/misc/dirent/versionsort64.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/misc/dirent/versionsort64.c 2011-03-14 10:11:05.459183378 +0300 +@@ -0,0 +1,17 @@ ++/* ++ * Copyright (C) 2008-2009 Hai Zaar, Codefidence Ltd ++ * ++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++ */ ++ ++#include <_lfs_64.h> ++ ++#include ++#include ++#include "dirstream.h" ++ ++int versionsort64(const void *a, const void *b) ++{ ++ return strverscmp((*(const struct dirent64 **) a)->d_name, ++ (*(const struct dirent64 **) b)->d_name); ++} +diff -urN a/libc/misc/dirent/versionsort.c b/libc/misc/dirent/versionsort.c +--- a/libc/misc/dirent/versionsort.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/misc/dirent/versionsort.c 2011-03-14 10:10:33.191183386 +0300 +@@ -0,0 +1,15 @@ ++/* ++ * Copyright (C) 2008-2009 Hai Zaar, Codefidence Ltd ++ * ++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++ */ ++ ++#include ++#include ++#include "dirstream.h" ++ ++int versionsort(const void *a, const void *b) ++{ ++ return strverscmp((*(const struct dirent **) a)->d_name, ++ (*(const struct dirent **) b)->d_name); ++} +diff -urN a/libc/string/strverscmp.c b/libc/string/strverscmp.c +--- a/libc/string/strverscmp.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/string/strverscmp.c 2011-03-14 10:03:35.000000000 +0300 +@@ -0,0 +1,118 @@ ++/* GNU's strverscmp() function, taken from glibc 2.3.2 sources ++ */ ++ ++/* Compare strings while treating digits characters numerically. ++ Copyright (C) 1997, 2002 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Jean-François Bignolles , 1997. ++ ++ Derived work for uClibc by Hai Zaar, Codefidence Ltd ++ ++ The GNU C Library 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 of the License, or (at your option) any later version. ++ ++ The GNU C Library 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 the GNU C Library; if not, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#include ++#include ++#include ++ ++ ++/* states: S_N: normal, S_I: comparing integral part, S_F: comparing ++ fractional parts, S_Z: idem but with leading Zeroes only */ ++#define S_N 0x0 ++#define S_I 0x4 ++#define S_F 0x8 ++#define S_Z 0xC ++ ++/* result_type: CMP: return diff; LEN: compare using len_diff/diff */ ++#define CMP 2 ++#define LEN 3 ++ ++/* using more efficient isdigit() */ ++#undef isdigit ++#define isdigit(a) ((unsigned)((a) - '0') <= 9) ++ ++/* Compare S1 and S2 as strings holding indices/version numbers, ++ returning less than, equal to or greater than zero if S1 is less than, ++ equal to or greater than S2 (for more info, see the texinfo doc). ++*/ ++int strverscmp (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; ++ int state; ++ int diff; ++ ++ /* Symbol(s) 0 [1-9] others (padding) ++ Transition (10) 0 (01) d (00) x (11) - */ ++ static const uint8_t next_state[] = ++ { ++ /* state x d 0 - */ ++ /* S_N */ S_N, S_I, S_Z, S_N, ++ /* S_I */ S_N, S_I, S_I, S_I, ++ /* S_F */ S_N, S_F, S_F, S_F, ++ /* S_Z */ S_N, S_F, S_Z, S_Z ++ }; ++ ++ static const int8_t result_type[] = ++ { ++ /* state x/x x/d x/0 x/- d/x d/d d/0 d/- ++ 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */ ++ ++ /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, ++ CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, ++ /* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP, ++ +1, LEN, LEN, CMP, CMP, CMP, CMP, CMP, ++ /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, ++ CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, ++ /* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP, ++ -1, CMP, CMP, CMP ++ }; ++ ++ if (p1 == p2) ++ return 0; ++ ++ c1 = *p1++; ++ c2 = *p2++; ++ /* Hint: '0' is a digit too. */ ++ state = S_N | ((c1 == '0') + (isdigit (c1) != 0)); ++ ++ while ((diff = c1 - c2) == 0 && c1 != '\0') ++ { ++ state = next_state[state]; ++ c1 = *p1++; ++ c2 = *p2++; ++ state |= (c1 == '0') + (isdigit (c1) != 0); ++ } ++ ++ state = result_type[state << 2 | (((c2 == '0') + (isdigit (c2) != 0)))]; ++ ++ switch (state) ++ { ++ case CMP: ++ return diff; ++ ++ case LEN: ++ while (isdigit (*p1++)) ++ if (!isdigit (*p2++)) ++ return 1; ++ ++ return isdigit (*p2) ? -1 : diff; ++ ++ default: ++ return state; ++ } ++} ++libc_hidden_def(strverscmp) diff --git a/toolchain/uClibc/patches-0.9.30.3/903-backport-strverscmp_versionsort.patch b/toolchain/uClibc/patches-0.9.30.3/903-backport-strverscmp_versionsort.patch new file mode 100644 index 0000000000..14ccfd3f83 --- /dev/null +++ b/toolchain/uClibc/patches-0.9.30.3/903-backport-strverscmp_versionsort.patch @@ -0,0 +1,222 @@ +diff -urN a/include/dirent.h b/include/dirent.h +--- a/include/dirent.h 2011-03-14 09:54:12.980183443 +0300 ++++ b/include/dirent.h 2011-03-14 10:07:34.290183418 +0300 +@@ -286,6 +286,25 @@ + __THROW __attribute_pure__ __nonnull ((1, 2)); + # endif + ++/* Function to compare two `struct dirent's alphabetically. */ ++# ifndef __USE_FILE_OFFSET64 ++extern int versionsort (__const void *__e1, __const void *__e2) ++ __THROW __attribute_pure__ __nonnull ((1, 2)); ++# else ++# ifdef __REDIRECT ++extern int __REDIRECT (versionsort, ++ (__const void *__e1, __const void *__e2), ++ versionsort64) __attribute_pure__ __nonnull ((1, 2)); ++# else ++# define versionsort versionsort64 ++# endif ++# endif ++ ++# if defined __USE_GNU && defined __USE_LARGEFILE64 ++extern int versionsort64 (__const void *__e1, __const void *__e2) ++ __THROW __attribute_pure__ __nonnull ((1, 2)); ++# endif ++ + #endif /* Use BSD or misc. */ + + __END_DECLS +diff -urN a/include/string.h b/include/string.h +--- a/include/string.h 2011-03-14 09:54:12.982185223 +0300 ++++ b/include/string.h 2011-03-14 10:08:45.551183543 +0300 +@@ -442,11 +442,9 @@ + + #ifdef __USE_GNU + /* Compare S1 and S2 as strings holding name & indices/version numbers. */ +-#if 0 + extern int strverscmp (__const char *__s1, __const char *__s2) + __THROW __attribute_pure__ __nonnull ((1, 2)); + libc_hidden_proto(strverscmp) +-#endif + + /* Return a string describing the meaning of the signal number in SIG. */ + extern char *strsignal (int __sig) __THROW; +diff -urN a/libc/misc/dirent/Makefile.in b/libc/misc/dirent/Makefile.in +--- a/libc/misc/dirent/Makefile.in 2011-03-14 09:54:13.071183374 +0300 ++++ b/libc/misc/dirent/Makefile.in 2011-03-14 10:09:44.544183543 +0300 +@@ -6,10 +6,10 @@ + # + + CSRC := alphasort.c closedir.c dirfd.c opendir.c readdir.c rewinddir.c \ +- scandir.c seekdir.c telldir.c readdir_r.c ++ scandir.c seekdir.c telldir.c readdir_r.c versionsort.c + + ifeq ($(UCLIBC_HAS_LFS),y) +-CSRC += readdir64.c alphasort64.c scandir64.c readdir64_r.c ++CSRC += readdir64.c alphasort64.c scandir64.c readdir64_r.c versionsort64.c + endif + + MISC_DIRENT_DIR := $(top_srcdir)libc/misc/dirent +diff -urN a/libc/misc/dirent/versionsort64.c b/libc/misc/dirent/versionsort64.c +--- a/libc/misc/dirent/versionsort64.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/misc/dirent/versionsort64.c 2011-03-14 10:11:05.459183378 +0300 +@@ -0,0 +1,17 @@ ++/* ++ * Copyright (C) 2008-2009 Hai Zaar, Codefidence Ltd ++ * ++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++ */ ++ ++#include <_lfs_64.h> ++ ++#include ++#include ++#include "dirstream.h" ++ ++int versionsort64(const void *a, const void *b) ++{ ++ return strverscmp((*(const struct dirent64 **) a)->d_name, ++ (*(const struct dirent64 **) b)->d_name); ++} +diff -urN a/libc/misc/dirent/versionsort.c b/libc/misc/dirent/versionsort.c +--- a/libc/misc/dirent/versionsort.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/misc/dirent/versionsort.c 2011-03-14 10:10:33.191183386 +0300 +@@ -0,0 +1,15 @@ ++/* ++ * Copyright (C) 2008-2009 Hai Zaar, Codefidence Ltd ++ * ++ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++ */ ++ ++#include ++#include ++#include "dirstream.h" ++ ++int versionsort(const void *a, const void *b) ++{ ++ return strverscmp((*(const struct dirent **) a)->d_name, ++ (*(const struct dirent **) b)->d_name); ++} +diff -urN a/libc/string/strverscmp.c b/libc/string/strverscmp.c +--- a/libc/string/strverscmp.c 1970-01-01 03:00:00.000000000 +0300 ++++ b/libc/string/strverscmp.c 2011-03-14 10:03:35.000000000 +0300 +@@ -0,0 +1,118 @@ ++/* GNU's strverscmp() function, taken from glibc 2.3.2 sources ++ */ ++ ++/* Compare strings while treating digits characters numerically. ++ Copyright (C) 1997, 2002 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Jean-François Bignolles , 1997. ++ ++ Derived work for uClibc by Hai Zaar, Codefidence Ltd ++ ++ The GNU C Library 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 of the License, or (at your option) any later version. ++ ++ The GNU C Library 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 the GNU C Library; if not, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#include ++#include ++#include ++ ++ ++/* states: S_N: normal, S_I: comparing integral part, S_F: comparing ++ fractional parts, S_Z: idem but with leading Zeroes only */ ++#define S_N 0x0 ++#define S_I 0x4 ++#define S_F 0x8 ++#define S_Z 0xC ++ ++/* result_type: CMP: return diff; LEN: compare using len_diff/diff */ ++#define CMP 2 ++#define LEN 3 ++ ++/* using more efficient isdigit() */ ++#undef isdigit ++#define isdigit(a) ((unsigned)((a) - '0') <= 9) ++ ++/* Compare S1 and S2 as strings holding indices/version numbers, ++ returning less than, equal to or greater than zero if S1 is less than, ++ equal to or greater than S2 (for more info, see the texinfo doc). ++*/ ++int strverscmp (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; ++ int state; ++ int diff; ++ ++ /* Symbol(s) 0 [1-9] others (padding) ++ Transition (10) 0 (01) d (00) x (11) - */ ++ static const uint8_t next_state[] = ++ { ++ /* state x d 0 - */ ++ /* S_N */ S_N, S_I, S_Z, S_N, ++ /* S_I */ S_N, S_I, S_I, S_I, ++ /* S_F */ S_N, S_F, S_F, S_F, ++ /* S_Z */ S_N, S_F, S_Z, S_Z ++ }; ++ ++ static const int8_t result_type[] = ++ { ++ /* state x/x x/d x/0 x/- d/x d/d d/0 d/- ++ 0/x 0/d 0/0 0/- -/x -/d -/0 -/- */ ++ ++ /* S_N */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, ++ CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, ++ /* S_I */ CMP, -1, -1, CMP, +1, LEN, LEN, CMP, ++ +1, LEN, LEN, CMP, CMP, CMP, CMP, CMP, ++ /* S_F */ CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP, ++ CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, ++ /* S_Z */ CMP, +1, +1, CMP, -1, CMP, CMP, CMP, ++ -1, CMP, CMP, CMP ++ }; ++ ++ if (p1 == p2) ++ return 0; ++ ++ c1 = *p1++; ++ c2 = *p2++; ++ /* Hint: '0' is a digit too. */ ++ state = S_N | ((c1 == '0') + (isdigit (c1) != 0)); ++ ++ while ((diff = c1 - c2) == 0 && c1 != '\0') ++ { ++ state = next_state[state]; ++ c1 = *p1++; ++ c2 = *p2++; ++ state |= (c1 == '0') + (isdigit (c1) != 0); ++ } ++ ++ state = result_type[state << 2 | (((c2 == '0') + (isdigit (c2) != 0)))]; ++ ++ switch (state) ++ { ++ case CMP: ++ return diff; ++ ++ case LEN: ++ while (isdigit (*p1++)) ++ if (!isdigit (*p2++)) ++ return 1; ++ ++ return isdigit (*p2) ? -1 : diff; ++ ++ default: ++ return state; ++ } ++} ++libc_hidden_def(strverscmp) -- 2.30.2