Contents of /trunk/mkinitrd-magellan/busybox/libbb/printable.c
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Revision 816 -
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Fri Apr 24 18:33:46 2009 UTC (15 years, 5 months ago) by niro
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Fri Apr 24 18:33:46 2009 UTC (15 years, 5 months ago) by niro
File MIME type: text/plain
File size: 636 byte(s)
-updated to busybox-1.13.4
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Utility routines. |
4 | * |
5 | * Copyright (C) 2007 Denys Vlasenko |
6 | * |
7 | * Licensed under GPL version 2, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | #include "libbb.h" |
11 | |
12 | void FAST_FUNC fputc_printable(int ch, FILE *file) |
13 | { |
14 | if ((ch & (0x80 + PRINTABLE_META)) == (0x80 + PRINTABLE_META)) { |
15 | fputs("M-", file); |
16 | ch &= 0x7f; |
17 | } |
18 | ch = (unsigned char) ch; |
19 | if (ch == 0x9b) { |
20 | /* VT100's CSI, aka Meta-ESC, is not printable on vt-100 */ |
21 | ch = '{'; |
22 | goto print_caret; |
23 | } |
24 | if (ch < ' ') { |
25 | ch += '@'; |
26 | goto print_caret; |
27 | } |
28 | if (ch == 0x7f) { |
29 | ch = '?'; |
30 | print_caret: |
31 | fputc('^', file); |
32 | } |
33 | fputc(ch, file); |
34 | } |