mirror of
https://github.com/sheumann/hush.git
synced 2024-11-15 12:08:09 +00:00
0ef64bdb40
This change retains "or later" state! No licensing _changes_ here, only form is adjusted (article, space between "GPL" and "v2" and so on). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
35 lines
620 B
C
35 lines
620 B
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Utility routines.
|
|
*
|
|
* Copyright (C) 2007 Denys Vlasenko
|
|
*
|
|
* Licensed under GPLv2, see file LICENSE in this source tree.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
void FAST_FUNC fputc_printable(int ch, FILE *file)
|
|
{
|
|
if ((ch & (0x80 + PRINTABLE_META)) == (0x80 + PRINTABLE_META)) {
|
|
fputs("M-", file);
|
|
ch &= 0x7f;
|
|
}
|
|
ch = (unsigned char) ch;
|
|
if (ch == 0x9b) {
|
|
/* VT100's CSI, aka Meta-ESC, is not printable on vt-100 */
|
|
ch = '{';
|
|
goto print_caret;
|
|
}
|
|
if (ch < ' ') {
|
|
ch += '@';
|
|
goto print_caret;
|
|
}
|
|
if (ch == 0x7f) {
|
|
ch = '?';
|
|
print_caret:
|
|
fputc('^', file);
|
|
}
|
|
fputc(ch, file);
|
|
}
|