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fast-import: use xsnprintf for formatting headers 

The stream_blob() function checks the return value of
snprintf and dies. This is more simply done with
xsnprintf (and matches the similar call in store_object).

The message the user would get is less specific, but since
the point is that this _shouldn't_ ever happen, that's OK.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2017-03-24 13:26:24 -04:00 committed by Junio C Hamano
parent 614b19542f
commit 98718242cf
1 changed files with 1 additions and 3 deletions
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4
fast-import.c
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@ -1237,9 +1237,7 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark)
sha1file_checkpoint(pack_file, &checkpoint);
offset = checkpoint.offset;
hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1;
if (out_sz <= hdrlen)
die("impossibly large object header");
hdrlen = xsnprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1;
git_SHA1_Init(&c);
git_SHA1_Update(&c, out_buf, hdrlen);