compat: add a basename() compatibility function

Some systems such as Windows lack libgen.h so provide a
basename() implementation for cross-platform use.

This introduces the NO_LIBGEN_H construct to the Makefile
and autoconf scripts.

Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
David Aguilar 2009-05-31 01:35:51 -07:00 committed by Junio C Hamano
parent 0620b39b3b
commit e1c0688692
5 changed files with 37 additions and 0 deletions

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@ -54,6 +54,8 @@ all::
#
# Define NO_MKSTEMPS if you don't have mkstemps in the C library.
#
# Define NO_LIBGEN_H if you don't have libgen.h.
#
# Define NO_SYS_SELECT_H if you don't have sys/select.h.
#
# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
@ -834,6 +836,7 @@ ifneq (,$(findstring MINGW,$(uname_S)))
NO_PREAD = YesPlease
NO_OPENSSL = YesPlease
NO_CURL = YesPlease
NO_LIBGEN_H = YesPlease
NO_SYMLINK_HEAD = YesPlease
NO_IPV6 = YesPlease
NO_SETENV = YesPlease
@ -899,6 +902,11 @@ ifndef CC_LD_DYNPATH
endif
endif
ifdef NO_LIBGEN_H
COMPAT_CFLAGS += -DNO_LIBGEN_H
COMPAT_OBJS += compat/basename.o
endif
ifdef NO_CURL
BASIC_CFLAGS += -DNO_CURL
else

15
compat/basename.c Normal file
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@ -0,0 +1,15 @@
#include "../git-compat-util.h"
/* Adapted from libiberty's basename.c. */
char *gitbasename (char *path)
{
const char *base;
/* Skip over the disk name in MSDOS pathnames. */
if (has_dos_drive_prefix(path))
path += 2;
for (base = path; *path; path++) {
if (is_dir_sep(*path))
base = path + 1;
}
return (char *)base;
}

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@ -30,6 +30,7 @@ NEEDS_SSL_WITH_CRYPTO=@NEEDS_SSL_WITH_CRYPTO@
NO_OPENSSL=@NO_OPENSSL@
NO_CURL=@NO_CURL@
NO_EXPAT=@NO_EXPAT@
NO_LIBGEN_H=@NO_LIBGEN_H@
NEEDS_LIBICONV=@NEEDS_LIBICONV@
NEEDS_SOCKET=@NEEDS_SOCKET@
NO_SYS_SELECT_H=@NO_SYS_SELECT_H@

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@ -627,6 +627,12 @@ AC_SUBST(SNPRINTF_RETURNS_BOGUS)
## (in default C library and libraries checked by AC_CHECK_LIB)
AC_MSG_NOTICE([CHECKS for library functions])
#
# Define NO_LIBGEN_H if you don't have libgen.h.
AC_CHECK_HEADER([libgen.h],
[NO_LIBGEN_H=],
[NO_LIBGEN_H=YesPlease])
AC_SUBST(NO_LIBGEN_H)
#
# Define NO_STRCASESTR if you don't have strcasestr.
GIT_CHECK_FUNC(strcasestr,
[NO_STRCASESTR=],

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@ -97,6 +97,13 @@
#include "compat/mingw.h"
#endif /* __MINGW32__ */
#ifndef NO_LIBGEN_H
#include <libgen.h>
#else
#define basename gitbasename
extern char *gitbasename(char *);
#endif
#ifndef NO_ICONV
#include <iconv.h>
#endif