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authorPatrick Monnerat <patrick@monnerat.net>2020-03-06 09:46:39 +0100
committerDaniel Stenberg <daniel@haxx.se>2020-03-07 23:26:00 +0100
commit96972ec1c00a142e3859efc82a06b0b810527da2 (patch)
treeb87cf6005d4815ee0ab7ff33f4e9d320e0d1cdad /lib/mime.h
parent3dce9849be4f84df83ba342be24ce29f4fbe01d4 (diff)
mime: latch last read callback status.
In case a read callback returns a status (pause, abort, eof, error) instead of a byte count, drain the bytes read so far but remember this status for further processing. Takes care of not losing data when pausing, and properly resume a paused mime structure when requested. New tests 670-673 check unpausing cases, with easy or multi interface and mime or form api. Fixes #4813 Reported-by: MrdUkk on github
Diffstat (limited to 'lib/mime.h')
-rw-r--r--lib/mime.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/mime.h b/lib/mime.h
index 431212579..c6d374ec1 100644
--- a/lib/mime.h
+++ b/lib/mime.h
@@ -125,6 +125,7 @@ struct curl_mimepart_s {
mime_state state; /* Current readback state. */
const mime_encoder *encoder; /* Content data encoder. */
mime_encoder_state encstate; /* Data encoder state. */
+ size_t lastreadstatus; /* Last read callback returned status. */
};
CURLcode Curl_mime_add_header(struct curl_slist **slp, const char *fmt, ...);
@@ -147,6 +148,7 @@ size_t Curl_mime_read(char *buffer, size_t size, size_t nitems,
void *instream);
CURLcode Curl_mime_rewind(curl_mimepart *part);
const char *Curl_mime_contenttype(const char *filename);
+void Curl_mime_unpause(curl_mimepart *part);
#else
/* if disabled */
@@ -158,6 +160,7 @@ const char *Curl_mime_contenttype(const char *filename);
#define Curl_mime_size(x) (curl_off_t) -1
#define Curl_mime_read NULL
#define Curl_mime_rewind(x) ((void)x, CURLE_NOT_BUILT_IN)
+#define Curl_mime_unpause(x)
#endif