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Document non-standard functions in sys abstraction layer

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This commit is contained in:
Dirk Ziegelmeier 2016-10-23 10:34:52 +02:00
parent e040132d92
commit 5079e4552c
1 changed files with 25 additions and 1 deletions
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26
src/core/def.c
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@ -15,6 +15,11 @@
* If you \#define them to htons() and htonl(), you should * If you \#define them to htons() and htonl(), you should
* \#define LWIP_DONT_PROVIDE_BYTEORDER_FUNCTIONS to prevent lwIP from * \#define LWIP_DONT_PROVIDE_BYTEORDER_FUNCTIONS to prevent lwIP from
* defining htonx/ntohx compatibility macros. * defining htonx/ntohx compatibility macros.
* @defgroup sys_nonstandard Non-standard functions
* @ingroup sys_layer
* lwIP provides default implementations for non-standard functions.
* These can be mapped to OS functions to reduce code footprint if desired.
*/ */
/* /*
@ -87,7 +92,11 @@ lwip_htonl(u32_t n)
#endif /* BYTE_ORDER == LITTLE_ENDIAN */ #endif /* BYTE_ORDER == LITTLE_ENDIAN */
#ifndef lwip_strnstr #ifndef lwip_strnstr
/** Like strstr but does not need 'buffer' to be NULL-terminated */ /**
* @ingroup sys_nonstandard
* lwIP default implementation for strnstr() non-standard function.
* This can be \#defined to strnstr() depending on your platform port.
*/
char* char*
lwip_strnstr(const char* buffer, const char* token, size_t n) lwip_strnstr(const char* buffer, const char* token, size_t n)
{ {
@ -106,6 +115,11 @@ lwip_strnstr(const char* buffer, const char* token, size_t n)
#endif #endif
#ifndef lwip_stricmp #ifndef lwip_stricmp
/**
* @ingroup sys_nonstandard
* lwIP default implementation for stricmp() non-standard function.
* This can be \#defined to stricmp() depending on your platform port.
*/
int int
lwip_stricmp(const char* str1, const char* str2) lwip_stricmp(const char* str1, const char* str2)
{ {
@ -136,6 +150,11 @@ lwip_stricmp(const char* str1, const char* str2)
#endif #endif
#ifndef lwip_strnicmp #ifndef lwip_strnicmp
/**
* @ingroup sys_nonstandard
* lwIP default implementation for strnicmp() non-standard function.
* This can be \#defined to strnicmp() depending on your platform port.
*/
int int
lwip_strnicmp(const char* str1, const char* str2, size_t len) lwip_strnicmp(const char* str1, const char* str2, size_t len)
{ {
@ -166,6 +185,11 @@ lwip_strnicmp(const char* str1, const char* str2, size_t len)
#endif #endif
#ifndef lwip_itoa #ifndef lwip_itoa
/**
* @ingroup sys_nonstandard
* lwIP default implementation for itoa() non-standard function.
* This can be \#defined to itoa() or snprintf(result, bufsize, "%d", number) depending on your platform port.
*/
void void
lwip_itoa(char* result, size_t bufsize, int number) lwip_itoa(char* result, size_t bufsize, int number)
{ {