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https://github.com/haproxy/haproxy.git
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8b8ab2824e
Implement ncbmb_advance() function for the ncbmbuf type. This allows to remove bytes in front of the buffer, regardless of the existing gaps. This is implemented by resetting the corresponding bits of the bitmap. As the previous patch, this commit must be backported prior to the fix to come on QUIC CRYPTO frames parsing.
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
#ifndef _HAPROXY_NCBMBUF_H
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#define _HAPROXY_NCBMBUF_H
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#include <haproxy/ncbmbuf-t.h>
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static inline int ncbmb_is_null(const struct ncbmbuf *buf)
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{
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return buf->size == 0;
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}
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void ncbmb_init(struct ncbmbuf *buf, ncb_sz_t head);
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struct ncbmbuf ncbmb_make(char *area, ncb_sz_t size, ncb_sz_t head);
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/* Returns start of allocated buffer area. */
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static inline char *ncbmb_orig(const struct ncbmbuf *buf)
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{
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return buf->area;
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}
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/* Returns current head pointer into buffer area. */
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static inline char *ncbmb_head(const struct ncbmbuf *buf)
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{
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return buf->area + buf->head;
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}
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/* Returns the first byte after the allocated buffer area. */
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static inline char *ncbmb_wrap(const struct ncbmbuf *buf)
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{
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return buf->area + buf->size;
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}
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/* Returns the usable size of <buf> for data storage. This is the size of the
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* allocated buffer without the bitmap space.
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*/
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static inline ncb_sz_t ncbmb_size(const struct ncbmbuf *buf)
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{
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if (ncbmb_is_null(buf))
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return 0;
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return buf->size;
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}
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int ncbmb_is_empty(const struct ncbmbuf *buf);
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ncb_sz_t ncbmb_data(const struct ncbmbuf *buf, ncb_sz_t offset);
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enum ncb_ret ncbmb_add(struct ncbmbuf *buf, ncb_sz_t off,
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const char *data, ncb_sz_t len, enum ncb_add_mode mode);
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enum ncb_ret ncbmb_advance(struct ncbmbuf *buf, ncb_sz_t adv);
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#endif /* _HAPROXY_NCBMBUF_H */
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