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log: drop unused "len" from show_tagger()

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We pass the length of the found "tagger" line to show_tagger(), but it
does not use it; instead, it passes the string to pp_user_info(), which
reads until newline or NUL. This is OK for our purposes because we
always read the object contents into a buffer with an extra NUL (and
indeed, our sole caller already relies on this by using starts_with).

Let's drop the ignored parameter. And while we're touching the caller,
let's use skip_prefix() to avoid a magic number.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2019-03-20 04:14:01 -04:00 committed by Junio C Hamano
parent 7954d365c6
commit af117077d3
1 changed files with 4 additions and 4 deletions
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8
builtin/log.c
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@ -490,7 +490,7 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix)
return cmd_log_walk(&rev);
}
static void show_tagger(char *buf, int len, struct rev_info *rev)
static void show_tagger(const char *buf, struct rev_info *rev)
{
struct strbuf out = STRBUF_INIT;
struct pretty_print_context pp = {0};
@ -546,11 +546,11 @@ static int show_tag_object(const struct object_id *oid, struct rev_info *rev)
assert(type == OBJ_TAG);
while (offset < size && buf[offset] != '\n') {
int new_offset = offset + 1;
const char *ident;
while (new_offset < size && buf[new_offset++] != '\n')
; /* do nothing */
if (starts_with(buf + offset, "tagger "))
show_tagger(buf + offset + 7,
new_offset - offset - 7, rev);
if (skip_prefix(buf + offset, "tagger ", &ident))
show_tagger(ident, rev);
offset = new_offset;
}