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wrapper: move is_empty_file() and rename it as is_empty_or_missing_file()

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is_empty_file() can help to refactor a lot of code. This will be very
helpful in porting "git bisect" to C.

Suggested-by: Torsten Bögershausen <tboegi@web.de>
Mentored-by: Lars Schneider <larsxschneider@gmail.com>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pranit Bauva
2019-01-02 07:38:32 -08:00
committed by Junio C Hamano
parent 0f30233a11
commit e3b1e3bdc0
3 changed files with 18 additions and 18 deletions
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13
wrapper.c
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@@ -690,3 +690,16 @@ int xgethostname(char *buf, size_t len)
buf[len - 1] = 0;
return ret;
}
int is_empty_or_missing_file(const char *filename)
{
struct stat st;
if (stat(filename, &st) < 0) {
if (errno == ENOENT)
return 1;
die_errno(_("could not stat %s"), filename);
}
return !st.st_size;
}