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uemacs
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Temporary fix for WSL

This commit is contained in:
Renaud 2021-08-19 10:07:13 +08:00
parent e6921a8ed1
commit 679d8d098b
2 changed files with 27 additions and 25 deletions
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2
defines.h
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@ -7,7 +7,7 @@
# if __NetBSD__ # if __NetBSD__
# define BSD 1 # define BSD 1
# define POSIX 1 # define POSIX 1
# elsif __linux__ # elif __linux__
# define USG 1 # define USG 1
# define SVR4 1 /* locks */ # define SVR4 1 /* locks */
# define POSIX 1 # define POSIX 1

46
posix.c
View File

@ -149,27 +149,28 @@ void ttflush(void)
exit(15); exit(15);
} }
/*
* Read a character from the terminal, performing no editing and doing no echo
* at all.
* Very simple on CPM, because the system can do exactly what you want.
*/
int ttgetc(void)
{
static char buffer[32];
static int pending;
unicode_t c;
int count, bytes = 1, expected;
count = pending; /* Read a character from the terminal, performing no editing and doing no
if (!count) { echo at all.
count = read(0, buffer, sizeof(buffer)); */
if (count <= 0) int ttgetc( void) {
return 0; static char buffer[ 32] ;
pending = count; static int pending ;
unicode_t c ;
int count = pending ;
if( !count) {
count = read( 0, buffer, sizeof( buffer)) ;
if( count <= 0)
return 0 ;
pending = count ;
} }
c = (unsigned char) buffer[0]; int bytes = 1 ;
c = (unsigned char) buffer[ 0] ;
#if 0 // temporary fix for wsl
if (c >= 32 && c < 128) if (c >= 32 && c < 128)
goto done; goto done;
@ -186,7 +187,7 @@ int ttgetc(void)
* delay for some *very* unusual utf8 character * delay for some *very* unusual utf8 character
* input. * input.
*/ */
expected = 2; int expected = 2;
if ((c & 0xe0) == 0xe0) if ((c & 0xe0) == 0xe0)
expected = 6; expected = 6;
@ -220,9 +221,10 @@ int ttgetc(void)
bytes = utf8_to_unicode(buffer, 0, pending, &c); bytes = utf8_to_unicode(buffer, 0, pending, &c);
done: done:
pending -= bytes; #endif
memmove(buffer, buffer+bytes, pending); pending -= bytes ;
return c; memmove( buffer, buffer + bytes, pending) ;
return c ;
} }
/* typahead: Check to see if any characters are already in the /* typahead: Check to see if any characters are already in the