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use xmemdupz() to allocate copies of strings given by start and length

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Use xmemdupz() to allocate the memory, copy the data and make sure to
NUL-terminate the result, all in one step.  The resulting code is
shorter, doesn't contain the constants 1 and '\0', and avoids
duplicating function parameters.

For blame, the last copied byte (o->file.ptr[o->file.size]) is always
set to NUL by fake_working_tree_commit() or read_sha1_file(), so no
information is lost by the conversion to using xmemdupz().

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
2014-07-19 17:35:34 +02:00
committed by Junio C Hamano
parent 51a60f5bfb
commit 5c0b13f85a
6 changed files with 6 additions and 19 deletions
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4
builtin/apply.c
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@ -2869,9 +2869,7 @@ static int apply_binary_fragment(struct image *img, struct patch *patch)
case BINARY_LITERAL_DEFLATED:
clear_image(img);
img->len = fragment->size;
img->buf = xmalloc(img->len+1);
memcpy(img->buf, fragment->patch, img->len);
img->buf[img->len] = '\0';
img->buf = xmemdupz(fragment->patch, img->len);
return 0;
}
return -1;