aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDaniel Stenberg <daniel@haxx.se>2003-10-30 09:08:16 +0000
committerDaniel Stenberg <daniel@haxx.se>2003-10-30 09:08:16 +0000
commitfb26b2bd98eb4fb29dc644fdcc74da1ec60c3708 (patch)
tree538fbde3102ff7b72e38e1402bb7a04bc1db5989
parent5554f1ccba826ef54d99fe2fa9ef1a77ae12b441 (diff)
curl --head now reports info "headers" on file:// URLs as well
-rw-r--r--CHANGES6
-rw-r--r--docs/curl.15
-rw-r--r--lib/file.c47
3 files changed, 50 insertions, 8 deletions
diff --git a/CHANGES b/CHANGES
index ea6762874..61d0c8ab4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -7,6 +7,12 @@
Changelog
+Daniel (30 October)
+- David Hull made libcurl deal with NOBODY and HEADER for file:// the same way
+ it already does for FTP: it provides HTTP-looking headers that provide info
+ only about the file, without doing the actual transfer. The curl tool then
+ lets --head do this.
+
Daniel (29 October)
- runtests.pl now checks for and use valgrind if present. It will redirect the
valgrind results in log/valgrind[num] but it currently doesn't scan that
diff --git a/docs/curl.1 b/docs/curl.1
index 2a0cbac76..e4e8efaf1 100644
--- a/docs/curl.1
+++ b/docs/curl.1
@@ -367,10 +367,11 @@ name, IP address or host name. An example could look like:
If this option is used several times, the last one will be used.
.IP "-I/--head"
-(HTTP/FTP)
+(HTTP/FTP/FILE)
Fetch the HTTP-header only! HTTP-servers feature the command HEAD
which this uses to get nothing but the header of a document. When used
-on a FTP file, curl displays the file size only.
+on a FTP or FILE file, curl displays the file size and last modification
+time only.
If this option is used twice, the second will again disable header only.
.IP "-j/--junk-session-cookies"
diff --git a/lib/file.c b/lib/file.c
index 1baa46d51..9f312320a 100644
--- a/lib/file.c
+++ b/lib/file.c
@@ -163,7 +163,8 @@ CURLcode Curl_file(struct connectdata *conn)
*/
CURLcode res = CURLE_OK;
struct stat statbuf;
- double expected_size=-1;
+ unsigned long expected_size=0;
+ bool fstated=FALSE;
ssize_t nread;
struct SessionHandle *data = conn->data;
char *buf = data->state.buffer;
@@ -178,25 +179,59 @@ CURLcode Curl_file(struct connectdata *conn)
/*VMS?? -- This only works reliable for STREAMLF files */
if( -1 != fstat(fd, &statbuf)) {
/* we could stat it, then read out the size */
- expected_size = (double)statbuf.st_size;
+ expected_size = statbuf.st_size;
+ fstated = TRUE;
+ }
+
+ /* If we have selected NOBODY and HEADER, it means that we only want file
+ information. Which for FILE can't be much more than the file size and
+ date. */
+ if(data->set.no_body && data->set.include_header && fstated) {
+ CURLcode result;
+ sprintf(buf, "Content-Length: %lu\r\n", expected_size);
+ result = Curl_client_write(data, CLIENTWRITE_BOTH, buf, 0);
+ if(result)
+ return result;
+
+ sprintf(buf, "Accept-ranges: bytes\r\n");
+ result = Curl_client_write(data, CLIENTWRITE_BOTH, buf, 0);
+ if(result)
+ return result;
+
+#ifdef HAVE_STRFTIME
+ if(fstated) {
+ struct tm *tm;
+#ifdef HAVE_LOCALTIME_R
+ struct tm buffer;
+ tm = (struct tm *)localtime_r((time_t *)&statbuf.st_mtime, &buffer);
+#else
+ tm = localtime((time_t *)&statbuf.st_mtime);
+#endif
+ /* format: "Tue, 15 Nov 1994 12:45:26 GMT" */
+ strftime(buf, BUFSIZE-1, "Last-Modified: %a, %d %b %Y %H:%M:%S GMT\r\n",
+ tm);
+ result = Curl_client_write(data, CLIENTWRITE_BOTH, buf, 0);
+ }
+#endif
+ return result;
}
/* Added by Dolbneff A.V & Spiridonoff A.V */
- if (conn->resume_from <= expected_size)
+ if (conn->resume_from <= (long)expected_size)
expected_size -= conn->resume_from;
else
/* Is this error code suitable in such situation? */
return CURLE_FTP_BAD_DOWNLOAD_RESUME;
- if (expected_size == 0)
+ if (fstated && (expected_size == 0))
return CURLE_OK;
/* The following is a shortcut implementation of file reading
this is both more efficient than the former call to download() and
it avoids problems with select() and recv() on file descriptors
in Winsock */
- if(expected_size != -1)
- Curl_pgrsSetDownloadSize(data, expected_size);
+ if(fstated)
+ Curl_pgrsSetDownloadSize(data, (double)expected_size);
if(conn->resume_from)
/* Added by Dolbneff A.V & Spiridonoff A.V */