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Try to fix !defined(LWIP_PROVIDE_ERRNO)

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This commit is contained in:
goldsimon 2016-10-07 16:22:33 +02:00
parent 740182de3c
commit 69be49fdc3
3 changed files with 13 additions and 0 deletions
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4
src/api/err.c
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@ -42,6 +42,7 @@
#include "lwip/errno.h" #include "lwip/errno.h"
#if !NO_SYS
/** Table to quickly map an lwIP error (err_t) to a socket error /** Table to quickly map an lwIP error (err_t) to a socket error
* by using -err as an index */ * by using -err as an index */
static const int err_to_errno_table[] = { static const int err_to_errno_table[] = {
@ -63,6 +64,7 @@ static const int err_to_errno_table[] = {
ENOTCONN, /* ERR_CLSD -15 Connection closed. */ ENOTCONN, /* ERR_CLSD -15 Connection closed. */
EIO /* ERR_ARG -16 Illegal argument. */ EIO /* ERR_ARG -16 Illegal argument. */
}; };
#endif /* !NO_SYS */
#ifdef LWIP_DEBUG #ifdef LWIP_DEBUG
@ -103,6 +105,7 @@ lwip_strerr(err_t err)
#endif /* LWIP_DEBUG */ #endif /* LWIP_DEBUG */
#if !NO_SYS
int int
err_to_errno(err_t err) err_to_errno(err_t err)
{ {
@ -111,3 +114,4 @@ err_to_errno(err_t err)
} }
return err_to_errno_table[-err]; return err_to_errno_table[-err];
} }
#endif /* !NO_SYS */

2
src/include/lwip/err.h
View File

@ -108,7 +108,9 @@ extern const char *lwip_strerr(err_t err);
#define lwip_strerr(x) "" #define lwip_strerr(x) ""
#endif /* LWIP_DEBUG */ #endif /* LWIP_DEBUG */
#if !NO_SYS
int err_to_errno(err_t err); int err_to_errno(err_t err);
#endif /* !NO_SYS */
#ifdef __cplusplus #ifdef __cplusplus
} }

7
src/include/lwip/errno.h
View File

@ -173,6 +173,13 @@
extern int errno; extern int errno;
#endif #endif
#else /* LWIP_PROVIDE_ERRNO */
/* Define LWIP_ERRNO_INCLUDE to <errno.h> to include the error defines here */
#ifdef LWIP_ERRNO_INCLUDE
#include LWIP_ERRNO_INCLUDE
#endif /* LWIP_ERRNO_INCLUDE */
#endif /* LWIP_PROVIDE_ERRNO */ #endif /* LWIP_PROVIDE_ERRNO */
#ifdef __cplusplus #ifdef __cplusplus