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Factored out Curl_copy_header_value

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This commit is contained in:
Dan Fandrich
2008-07-30 20:11:51 +00:00
parent f3bc16f4f5
commit cc0285da7f
3 changed files with 89 additions and 78 deletions
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83
lib/transfer.c
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@@ -109,6 +109,7 @@
#define CURL_TIMEOUT_EXPECT_100 1000 /* counting ms here */
/*
* This function will call the read callback to fill our buffer with data
* to upload.
@@ -927,42 +928,17 @@ CURLcode Curl_readwrite(struct connectdata *conn,
", closing after transfer\n", contentlength);
}
}
/* check for Content-Type: header lines to get the mime-type */
/* check for Content-Type: header lines to get the MIME-type */
else if(checkprefix("Content-Type:", k->p)) {
char *start;
char *end;
size_t len;
/* Find the first non-space letter */
for(start=k->p+13;
*start && ISSPACE(*start);
start++)
; /* empty loop */
/* data is now in the host encoding so
use '\r' and '\n' instead of 0x0d and 0x0a */
end = strchr(start, '\r');
if(!end)
end = strchr(start, '\n');
if(end) {
/* skip all trailing space letters */
for(; ISSPACE(*end) && (end > start); end--)
; /* empty loop */
/* get length of the type */
len = end-start+1;
/* allocate memory of a cloned copy */
char *contenttype = Curl_copy_header_value(k->p);
if (!contenttype)
return CURLE_OUT_OF_MEMORY;
if (!*contenttype)
/* ignore empty data */
free(contenttype);
else {
Curl_safefree(data->info.contenttype);
data->info.contenttype = malloc(len + 1);
if(NULL == data->info.contenttype)
return CURLE_OUT_OF_MEMORY;
/* copy the content-type string */
memcpy(data->info.contenttype, start, len);
data->info.contenttype[len] = 0; /* zero terminate */
data->info.contenttype = contenttype;
}
}
#ifndef CURL_DISABLE_HTTP
@@ -1123,36 +1099,19 @@ CURLcode Curl_readwrite(struct connectdata *conn,
}
else if((k->httpcode >= 300 && k->httpcode < 400) &&
checkprefix("Location:", k->p)) {
/* this is the URL that the server advices us to use instead */
char *ptr;
char *start=k->p;
char backup;
/* this is the URL that the server advises us to use instead */
char *location = Curl_copy_header_value(k->p);
if (!location)
return CURLE_OUT_OF_MEMORY;
if (!*location)
/* ignore empty data */
free(location);
else {
DEBUGASSERT(!data->req.location);
data->req.location = location;
start += 9; /* pass "Location:" */
/* Skip spaces and tabs. We do this to support multiple
white spaces after the "Location:" keyword. */
while(*start && ISSPACE(*start ))
start++;
/* Scan through the string from the end to find the last
non-space. k->end_ptr points to the actual terminating zero
letter, move pointer one letter back and start from
there. This logic strips off trailing whitespace, but keeps
any embedded whitespace. */
ptr = k->end_ptr-1;
while((ptr>=start) && ISSPACE(*ptr))
ptr--;
ptr++;
backup = *ptr; /* store the ending letter */
if(ptr != start) {
*ptr = '\0'; /* zero terminate */
data->req.location = strdup(start); /* clone string */
*ptr = backup; /* restore ending letter */
if(!data->req.location)
return CURLE_OUT_OF_MEMORY;
if(data->set.http_follow_location) {
DEBUGASSERT(!data->req.newurl);
data->req.newurl = strdup(data->req.location); /* clone */
if(!data->req.newurl)
return CURLE_OUT_OF_MEMORY;