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Map CR->NL locally on output instead of using tio.c_oflag |= OCRNL.

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This mostly is intended to have local echo output exactly what is sent
to the remote endpoint.
A nice side-effect is, that it also fixes tty-implementations, that can't
deal with the OCRNL flag on tio.c_oflag.
This commit is contained in:
Henner Zeller 2018-06-23 13:47:06 -07:00
parent 08fd18e803
commit ab451a984c
1 changed files with 4 additions and 1 deletions
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5
src/tty.c
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@ -55,6 +55,7 @@ static bool standard_baudrate = true;
static void (*print)(char c); static void (*print)(char c);
static int fd; static int fd;
static bool map_inlcrnl = false; static bool map_inlcrnl = false;
static bool map_ocrnl = false;
static bool map_onlcrnl = false; static bool map_onlcrnl = false;
static bool map_odelbs = false; static bool map_odelbs = false;
@ -415,7 +416,7 @@ void tty_configure(void)
else if (strcmp(token,"ICRNL") == 0) else if (strcmp(token,"ICRNL") == 0)
tio.c_iflag |= ICRNL; tio.c_iflag |= ICRNL;
else if (strcmp(token,"OCRNL") == 0) else if (strcmp(token,"OCRNL") == 0)
tio.c_oflag |= OCRNL; map_ocrnl = true;
else if (strcmp(token,"ODELBS") == 0) else if (strcmp(token,"ODELBS") == 0)
map_odelbs = true; map_odelbs = true;
else if (strcmp(token,"INLCRNL") == 0) else if (strcmp(token,"INLCRNL") == 0)
@ -652,6 +653,8 @@ int tty_connect(void)
/* Map output character */ /* Map output character */
if ((output_char == 127) && (map_odelbs)) if ((output_char == 127) && (map_odelbs))
output_char = '\b'; output_char = '\b';
if ((output_char == '\r') && (map_ocrnl))
output_char = '\n';
/* Map newline character */ /* Map newline character */
if ((output_char == '\n') && (map_onlcrnl)) { if ((output_char == '\n') && (map_onlcrnl)) {