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string: add GNU basename(3)

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* libc/include/libgen.h (_BASENAME_DEFINED): Define.
* libc/include/string.h (basename): Declare.
* libc/string/Makefile.am (ELIX_4_SOURCES): Add gnu_basename.c.
* libc/string/Makefile.in: Regenerate.
* libc/string/gnu_basename.c: New file.
This commit is contained in:
Yaakov Selkowitz
2015-03-25 18:19:38 -05:00
committed by Corinna Vinschen
parent d4f8c94a9b
commit d67052321e
6 changed files with 61 additions and 2 deletions
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8
newlib/ChangeLog
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@@ -1,3 +1,11 @@
2015-03-30 Yaakov Selkowitz <yselkowi@redhat.com>
* libc/include/libgen.h (_BASENAME_DEFINED): Define.
* libc/include/string.h (basename): Declare.
* libc/string/Makefile.am (ELIX_4_SOURCES): Add gnu_basename.c.
* libc/string/Makefile.in: Regenerate.
* libc/string/gnu_basename.c: New file.
2015-03-23 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/include/sys/tree.h: New file.

1
newlib/libc/include/libgen.h
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@@ -13,6 +13,7 @@ extern "C" {
#endif
char *_EXFUN(basename, (char *));
#define _BASENAME_DEFINED
char *_EXFUN(dirname, (char *));
#ifdef __cplusplus

14
newlib/libc/include/string.h
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@@ -163,6 +163,20 @@ int _EXFUN(strtosigno, (const char *__name));
(char *) memcpy (__out, __in, __len-1);}))
#endif /* _GNU_SOURCE && __GNUC__ */
/* There are two common basename variants. If you #include <libgen.h>
first, you get the POSIX version; otherwise you get the GNU version.
POSIX requires that #undef basename will still let you
invoke the underlying function, but that requires gcc support. */
#if __GNU_VISIBLE && !defined(_BASENAME_DEFINED)
# ifdef __GNUC__
char *_EXFUN(basename,(const char *))
__asm__ (__ASMNAME ("__gnu_basename")) __nonnull(1);
# else
char *_EXFUN(__gnu_basename,(const char *));
# define basename __gnu_basename
# endif
#endif
#include <sys/string.h>
_END_STD_C

1
newlib/libc/string/Makefile.am
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@@ -102,6 +102,7 @@ if ELIX_LEVEL_3
ELIX_4_SOURCES =
else
ELIX_4_SOURCES = \
gnu_basename.c \
memmem.c \
memrchr.c \
rawmemchr.c \

13
newlib/libc/string/Makefile.in
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@@ -118,7 +118,8 @@ am__objects_1 = lib_a-bcopy.$(OBJEXT) lib_a-bzero.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@ lib_a-wcpcpy.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@ lib_a-wcpncpy.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@ lib_a-wcsdup.$(OBJEXT)
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_3 = lib_a-memmem.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_3 = lib_a-gnu_basename.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ lib_a-memmem.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ lib_a-memrchr.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ lib_a-rawmemchr.$(OBJEXT) \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ lib_a-wcscasecmp.$(OBJEXT) \
@@ -145,7 +146,8 @@ am__objects_4 = bcopy.lo bzero.lo index.lo memchr.lo memcmp.lo \
@ELIX_LEVEL_1_FALSE@ stpcpy.lo stpncpy.lo strndup.lo \
@ELIX_LEVEL_1_FALSE@ strcasestr.lo strchrnul.lo strndup_r.lo \
@ELIX_LEVEL_1_FALSE@ wcpcpy.lo wcpncpy.lo wcsdup.lo
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_6 = memmem.lo \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@am__objects_6 = gnu_basename.lo \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ memmem.lo \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ memrchr.lo \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ rawmemchr.lo \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ wcscasecmp.lo \
@@ -410,6 +412,7 @@ GENERAL_SOURCES = \
@ELIX_LEVEL_1_TRUE@ELIX_2_SOURCES =
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ELIX_4_SOURCES = \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ gnu_basename.c \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ memmem.c \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ memrchr.c \
@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@ rawmemchr.c \
@@ -998,6 +1001,12 @@ lib_a-wcsdup.o: wcsdup.c
lib_a-wcsdup.obj: wcsdup.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-wcsdup.obj `if test -f 'wcsdup.c'; then $(CYGPATH_W) 'wcsdup.c'; else $(CYGPATH_W) '$(srcdir)/wcsdup.c'; fi`
lib_a-gnu_basename.o: gnu_basename.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-gnu_basename.o `test -f 'gnu_basename.c' || echo '$(srcdir)/'`gnu_basename.c
lib_a-gnu_basename.obj: gnu_basename.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-gnu_basename.obj `if test -f 'gnu_basename.c'; then $(CYGPATH_W) 'gnu_basename.c'; else $(CYGPATH_W) '$(srcdir)/gnu_basename.c'; fi`
lib_a-memmem.o: memmem.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-memmem.o `test -f 'memmem.c' || echo '$(srcdir)/'`memmem.c

26
newlib/libc/string/gnu_basename.c Normal file
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@@ -0,0 +1,26 @@
#ifndef _NO_BASENAME
/* Copyright 2015 Red Hat, Inc.
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
/* The differences with the POSIX version (unix/basename.c):
* - declared in <string.h> (instead of <libgen.h>);
* - the argument is never modified, and therefore is marked const;
* - the empty string is returned if path is an empty string, "/", or ends
* with a trailing slash.
*/
#include <string.h>
char *
_DEFUN (__gnu_basename, (path),
const char *path)
{
char *p;
if ((p = strrchr (path, '/')))
return p + 1;
return path;
}
#endif /* !_NO_BASENAME */