29 lines
827 B
C
29 lines
827 B
C
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/* Some netbuf helpers that should probably be rolled into a patch to lwip soon */
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#ifndef _NETBUF_HELPERS_H
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#define _NETBUF_HELPERS_H
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#include "lwip/netbuf.h"
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/* Read a 16 bit wide unsigned integer, stored host order, from the netbuf */
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inline static u16_t netbuf_read_u16_h(struct netbuf *netbuf, u16_t offs)
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{
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u16_t raw;
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netbuf_copy_partial(netbuf, &raw, 2, offs);
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return raw;
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}
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/* Read a 16 bit wide unsigned integer, stored network order, from the netbuf */
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inline static u16_t netbuf_read_u16_n(struct netbuf *netbuf, u16_t offs)
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{
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return ntohs(netbuf_read_u16_h(netbuf, offs));
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}
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/* Read an 8 bit unsigned integer from the netbuf */
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inline static u8_t netbuf_read_u8(struct netbuf *netbuf, u16_t offs)
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{
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u8_t result;
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netbuf_copy_partial(netbuf, &result, 1, offs);
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return result;
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}
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#endif
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