struct walker *walker;
const char *base;
char *url;
- struct buffer *buffer;
+ struct strbuf *buffer;
struct active_request_slot *slot;
int http_specific;
};
return size;
}
-static int missing__target(int code, int result)
-{
- return /* file:// URL -- do we ever use one??? */
- (result == CURLE_FILE_COULDNT_READ_FILE) ||
- /* http:// and https:// URL */
- (code == 404 && result == CURLE_HTTP_RETURNED_ERROR) ||
- /* ftp:// URL */
- (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE)
- ;
-}
-
-#define missing_target(a) missing__target((a)->http_code, (a)->curl_result)
-
static void fetch_alternates(struct walker *walker, const char *base);
static void process_object_response(void *callback_data);
indexfile = fopen(tmpfile, "a");
if (!indexfile)
return error("Unable to open local file %s for pack index",
- filename);
+ tmpfile);
slot = get_active_slot();
slot->results = &results;
if (alt_req->http_specific) {
if (slot->curl_result != CURLE_OK ||
- !alt_req->buffer->posn) {
+ !alt_req->buffer->len) {
/* Try reusing the slot to get non-http alternates */
alt_req->http_specific = 0;
}
fwrite_buffer(&null_byte, 1, 1, alt_req->buffer);
- alt_req->buffer->posn--;
- data = alt_req->buffer->buffer;
+ alt_req->buffer->len--;
+ data = alt_req->buffer->buf;
- while (i < alt_req->buffer->posn) {
+ while (i < alt_req->buffer->len) {
int posn = i;
- while (posn < alt_req->buffer->posn && data[posn] != '\n')
+ while (posn < alt_req->buffer->len && data[posn] != '\n')
posn++;
if (data[posn] == '\n') {
int okay = 0;
static void fetch_alternates(struct walker *walker, const char *base)
{
- struct buffer buffer;
+ struct strbuf buffer = STRBUF_INIT;
char *url;
- char *data;
struct active_request_slot *slot;
struct alternates_request alt_req;
struct walker_data *cdata = walker->data;
/* Start the fetch */
cdata->got_alternates = 0;
- data = xmalloc(4096);
- buffer.size = 4096;
- buffer.posn = 0;
- buffer.buffer = data;
-
if (walker->get_verbosely)
fprintf(stderr, "Getting alternates list for %s\n", base);
else
cdata->got_alternates = -1;
- free(data);
+ strbuf_release(&buffer);
free(url);
}
{
unsigned char sha1[20];
char *url;
- struct buffer buffer;
+ struct strbuf buffer = STRBUF_INIT;
char *data;
int i = 0;
+ int ret = 0;
struct active_request_slot *slot;
struct slot_results results;
if (repo->got_indices)
return 0;
- data = xmalloc(4096);
- buffer.size = 4096;
- buffer.posn = 0;
- buffer.buffer = data;
-
if (walker->get_verbosely)
fprintf(stderr, "Getting pack list for %s\n", repo->base);
if (results.curl_result != CURLE_OK) {
if (missing_target(&results)) {
repo->got_indices = 1;
- free(buffer.buffer);
- return 0;
+ goto cleanup;
} else {
repo->got_indices = 0;
- free(buffer.buffer);
- return error("%s", curl_errorstr);
+ ret = error("%s", curl_errorstr);
+ goto cleanup;
}
}
} else {
repo->got_indices = 0;
- free(buffer.buffer);
- return error("Unable to start request");
+ ret = error("Unable to start request");
+ goto cleanup;
}
- data = buffer.buffer;
- while (i < buffer.posn) {
+ data = buffer.buf;
+ while (i < buffer.len) {
switch (data[i]) {
case 'P':
i++;
- if (i + 52 <= buffer.posn &&
+ if (i + 52 <= buffer.len &&
!prefixcmp(data + i, " pack-") &&
!prefixcmp(data + i + 46, ".pack\n")) {
get_sha1_hex(data + i + 6, sha1);
break;
}
default:
- while (i < buffer.posn && data[i] != '\n')
+ while (i < buffer.len && data[i] != '\n')
i++;
}
i++;
}
- free(buffer.buffer);
repo->got_indices = 1;
- return 0;
+cleanup:
+ strbuf_release(&buffer);
+ free(url);
+ return ret;
}
static int fetch_pack(struct walker *walker, struct alt_base *repo, unsigned char *sha1)
packfile = fopen(tmpfile, "a");
if (!packfile)
return error("Unable to open local file %s for pack",
- filename);
+ tmpfile);
slot = get_active_slot();
slot->results = &results;
data->alt->base);
}
-static inline int needs_quote(int ch)
-{
- if (((ch >= 'A') && (ch <= 'Z'))
- || ((ch >= 'a') && (ch <= 'z'))
- || ((ch >= '0') && (ch <= '9'))
- || (ch == '/')
- || (ch == '-')
- || (ch == '.'))
- return 0;
- return 1;
-}
-
-static inline int hex(int v)
-{
- if (v < 10) return '0' + v;
- else return 'A' + v - 10;
-}
-
-static char *quote_ref_url(const char *base, const char *ref)
-{
- const char *cp;
- char *dp, *qref;
- int len, baselen, ch;
-
- baselen = strlen(base);
- len = baselen + 7; /* "/refs/" + NUL */
- for (cp = ref; (ch = *cp) != 0; cp++, len++)
- if (needs_quote(ch))
- len += 2; /* extra two hex plus replacement % */
- qref = xmalloc(len);
- memcpy(qref, base, baselen);
- memcpy(qref + baselen, "/refs/", 6);
- for (cp = ref, dp = qref + baselen + 6; (ch = *cp) != 0; cp++) {
- if (needs_quote(ch)) {
- *dp++ = '%';
- *dp++ = hex((ch >> 4) & 0xF);
- *dp++ = hex(ch & 0xF);
- }
- else
- *dp++ = ch;
- }
- *dp = 0;
-
- return qref;
-}
-
static int fetch_ref(struct walker *walker, char *ref, unsigned char *sha1)
{
- char *url;
- char hex[42];
- struct buffer buffer;
struct walker_data *data = walker->data;
- const char *base = data->alt->base;
- struct active_request_slot *slot;
- struct slot_results results;
- buffer.size = 41;
- buffer.posn = 0;
- buffer.buffer = hex;
- hex[41] = '\0';
-
- url = quote_ref_url(base, ref);
- slot = get_active_slot();
- slot->results = &results;
- curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
- curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
- curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
- curl_easy_setopt(slot->curl, CURLOPT_URL, url);
- if (start_active_slot(slot)) {
- run_active_slot(slot);
- if (results.curl_result != CURLE_OK)
- return error("Couldn't get %s for %s\n%s",
- url, ref, curl_errorstr);
- } else {
- return error("Unable to start request");
- }
-
- hex[40] = '\0';
- get_sha1_hex(hex, sha1);
- return 0;
+ return http_fetch_ref(data->alt->base, ref, sha1);
}
static void cleanup(struct walker *walker)