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PPP: Change data argument in sio_write to const

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To fix the build after ppp_output_cb started taking it as const in
commit b2d1fc119d.

Fixes this failure:
../contrib/examples/ppp/pppos_example.c: In function ‘ppp_output_cb’:
../contrib/examples/ppp/pppos_example.c:163:29: error: cast discards ‘const’ qualifier from pointer target type [-Werror=cast-qual]
   return sio_write(ppp_sio, (u8_t*)data, len);
                             ^
This commit is contained in:
Erik Ekman
2020-12-03 09:47:00 +01:00
parent d1fc5c2ec4
commit c748395bda
6 changed files with 6 additions and 5 deletions
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2
contrib/ports/unix/port/netif/sio.c
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@@ -300,7 +300,7 @@ void sio_expect_string( u8_t *str, sio_status_t * siostat )
#endif /* ! (PPP_SUPPORT || LWIP_HAVE_SLIPIF) */
#if (PPP_SUPPORT || LWIP_HAVE_SLIPIF)
u32_t sio_write(sio_status_t * siostat, u8_t *buf, u32_t size)
u32_t sio_write(sio_status_t * siostat, const u8_t *buf, u32_t size)
{
ssize_t wsz = write( siostat->fd, buf, size );
return wsz < 0 ? 0 : wsz;