diff options
| author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 13:58:15 +0100 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 13:58:15 +0100 |
| commit | 4aca87515a5083ae0e31ce3177189fd43b6d05ac (patch) | |
| tree | 7b1d9a31393ca090757dc6f0d3859b4fcd93f271 /release/src/router/busybox/libbb/printable.c | |
| parent | 008d0be72b2f160382c6e880765e96b64a050c65 (diff) | |
| download | tomato-4aca87515a5083ae0e31ce3177189fd43b6d05ac.tar.gz tomato-4aca87515a5083ae0e31ce3177189fd43b6d05ac.tar.bz2 | |
patch to Vanilla Tomato 1.28
Diffstat (limited to 'release/src/router/busybox/libbb/printable.c')
| -rw-r--r-- | release/src/router/busybox/libbb/printable.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/release/src/router/busybox/libbb/printable.c b/release/src/router/busybox/libbb/printable.c new file mode 100644 index 00000000..ae933593 --- /dev/null +++ b/release/src/router/busybox/libbb/printable.c @@ -0,0 +1,34 @@ +/* vi: set sw=4 ts=4: */ +/* + * Utility routines. + * + * Copyright (C) 2007 Denys Vlasenko + * + * Licensed under GPL version 2, see file LICENSE in this tarball for details. + */ + +#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); +} |