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nshlib: Fix warning reported by clang

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nsh_telnetlogin.c:62:15: error: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Werror,-Wconstant-conversion]

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-10-17 14:02:31 +08:00 committed by Petro Karashchenko
parent 75455d3788
commit 6944c5a0a1
1 changed files with 2 additions and 2 deletions
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4
nshlib/nsh_telnetlogin.c
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@ -58,12 +58,12 @@
static void nsh_telnetecho(FAR struct console_stdio_s *pstate,
uint8_t is_use)
{
char optbuf[4];
uint8_t optbuf[4];
optbuf[0] = TELNET_IAC;
optbuf[1] = (is_use == TELNET_USE_ECHO) ? TELNET_WILL : TELNET_DO;
optbuf[2] = 1;
optbuf[3] = 0;
fputs(optbuf, pstate->cn_outstream);
fputs((FAR char *)optbuf, pstate->cn_outstream);
fflush(pstate->cn_outstream);
}