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wrapper: add xgetcwd()

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Add the helper function xgetcwd(), which returns the current directory
or dies.  The returned string has to be free()d after use.

Helped-by: Duy Nguyen <pclouds@gmail.com>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2014-07-28 20:29:50 +02:00 committed by Junio C Hamano
parent 2fdb9ce067
commit aa14e980ff
2 changed files with 9 additions and 0 deletions
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1
git-compat-util.h
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@ -538,6 +538,7 @@ extern int xmkstemp(char *template);
extern int xmkstemp_mode(char *template, int mode);
extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1);
extern char *xgetcwd(void);
static inline size_t xsize_t(off_t len)
{

8
wrapper.c
View File

@ -493,3 +493,11 @@ struct passwd *xgetpwuid_self(void)
errno ? strerror(errno) : _("no such user"));
return pw;
}
char *xgetcwd(void)
{
struct strbuf sb = STRBUF_INIT;
if (strbuf_getcwd(&sb))
die_errno(_("unable to get current working directory"));
return strbuf_detach(&sb, NULL);
}