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give "nbuf" strbuf a more meaningful name

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It's a common pattern in our code to read paths from stdin,
separated either by newlines or NULs, and unquote as
necessary. In each of these five cases we use "nbuf" to
temporarily store the unquoted value. Let's give it the more
meaningful name "unquoted", which makes it easier to
understand the purpose of the variable.

While we're at it, let's also static-initialize all of our
strbufs. It's not wrong to call strbuf_init, but it
increases the cognitive load on the reader, who might wonder
"do we sometimes avoid initializing them?  why?".

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2016-01-31 06:25:26 -05:00
committed by Junio C Hamano
parent 1a0c8dfd89
commit 0d4cc1b45b
5 changed files with 30 additions and 29 deletions
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13
builtin/check-attr.c
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@ -72,24 +72,23 @@ static void check_attr(const char *prefix, int cnt,
static void check_attr_stdin_paths(const char *prefix, int cnt,
struct git_attr_check *check)
{
struct strbuf buf, nbuf;
struct strbuf buf = STRBUF_INIT;
struct strbuf unquoted = STRBUF_INIT;
strbuf_getline_fn getline_fn;
getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
strbuf_init(&buf, 0);
strbuf_init(&nbuf, 0);
while (getline_fn(&buf, stdin) != EOF) {
if (!nul_term_line && buf.buf[0] == '"') {
strbuf_reset(&nbuf);
if (unquote_c_style(&nbuf, buf.buf, NULL))
strbuf_reset(&unquoted);
if (unquote_c_style(&unquoted, buf.buf, NULL))
die("line is badly quoted");
strbuf_swap(&buf, &nbuf);
strbuf_swap(&buf, &unquoted);
}
check_attr(prefix, cnt, check, buf.buf);
maybe_flush_or_die(stdout, "attribute to stdout");
}
strbuf_release(&buf);
strbuf_release(&nbuf);
strbuf_release(&unquoted);
}
static NORETURN void error_with_usage(const char *msg)