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From: | address@hidden |
Subject: | Re: [lwip-users] where could I find the definition of MEMP_PBUF_POOL used in pbuf.c? |
Date: | Fri, 11 Apr 2008 20:57:52 +0200 |
User-agent: | Thunderbird 2.0.0.12 (Windows/20080213) |
Hi there,I think you are mixing 2 different versions of lwIP here: the 3 occurrences of MEMP_PBUF_POOL seem to fit to lwIP v1.3.0 but in the corresponding (and current) memp.h, the typedef enum memp_t is defined like this:
typedef enum { #define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name, #include "lwip/memp_std.h" MEMP_MAX } memp_t;Some preprocessor magic puts the enum members together, which is why you don't find the real definition of the enum members when searching the code.
Simon kanprin wrote:
it appears three times in the pbuf.c, but I could not reach its definition , where does it defined ? or which num should I define it?in pbuf.cline 145: p = memp_malloc(MEMP_PBUF_POOL); line 175: q = memp_malloc(MEMP_PBUF_POOL); line 498: memp_free(MEMP_PBUF_POOL, p); the MEMP_PBUF_POOL must be memp_t type through memp_malloc(); memp_t is defined in memp.h as typedef enum { MEMP_PBUF, MEMP_RAW_PCB, MEMP_UDP_PCB, MEMP_TCP_PCB, MEMP_TCP_PCB_LISTEN, MEMP_TCP_SEG, MEMP_NETBUF, MEMP_NETCONN, MEMP_API_MSG, MEMP_TCPIP_MSG, MEMP_SYS_TIMEOUT,MEMP_MAX} memp_t; but still no MEMP_PBUF_POOL; regards !
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