http.c: use strbuf API in quote_ref_url

In addition, ''quote_ref_url'' inserts a slash between the base URL and
remote ref path only if needed. Previously, this insertion wasn't
contingent on the lack of a separating slash.

Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Tay Ray Chuan 2009-03-08 00:47:21 +08:00 committed by Junio C Hamano
parent fd13b21f52
commit 113106e06c

30
http.c
View File

@ -573,31 +573,21 @@ static inline int hex(int v)
static char *quote_ref_url(const char *base, const char *ref) static char *quote_ref_url(const char *base, const char *ref)
{ {
struct strbuf buf = STRBUF_INIT;
const char *cp; const char *cp;
char *dp, *qref; int ch;
int len, baselen, ch;
baselen = strlen(base); strbuf_addstr(&buf, base);
len = baselen + 2; /* '/' after base and terminating NUL */ if (buf.len && buf.buf[buf.len - 1] != '/' && *ref != '/')
for (cp = ref; (ch = *cp) != 0; cp++, len++) strbuf_addstr(&buf, "/");
for (cp = ref; (ch = *cp) != 0; cp++)
if (needs_quote(ch)) if (needs_quote(ch))
len += 2; /* extra two hex plus replacement % */ strbuf_addf(&buf, "%%%02x", ch);
qref = xmalloc(len);
memcpy(qref, base, baselen);
dp = qref + baselen;
*(dp++) = '/';
for (cp = ref; (ch = *cp) != 0; cp++) {
if (needs_quote(ch)) {
*dp++ = '%';
*dp++ = hex((ch >> 4) & 0xF);
*dp++ = hex(ch & 0xF);
}
else else
*dp++ = ch; strbuf_addch(&buf, *cp);
}
*dp = 0;
return qref; return strbuf_detach(&buf, NULL);
} }
int http_fetch_ref(const char *base, struct ref *ref) int http_fetch_ref(const char *base, struct ref *ref)