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echo et al: support \e escape

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-10-29 03:39:55 +01:00
parent e039e689e3
commit 00f0ef4a0c
1 changed files with 4 additions and 3 deletions
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7
libbb/process_escape_sequence.c
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@ -20,10 +20,11 @@ char FAST_FUNC bb_process_escape_sequence(const char **ptr)
{ {
/* bash builtin "echo -e '\ec'" interprets \e as ESC, /* bash builtin "echo -e '\ec'" interprets \e as ESC,
* but coreutils "/bin/echo -e '\ec'" does not. * but coreutils "/bin/echo -e '\ec'" does not.
* manpages tend to support coreutils way. */ * manpages tend to support coreutils way.
* Update: coreutils added support for \e on 28 Oct 2009. */
static const char charmap[] ALIGN1 = { static const char charmap[] ALIGN1 = {
'a', 'b', /*'e',*/ 'f', 'n', 'r', 't', 'v', '\\', 0, 'a', 'b', 'e', 'f', 'n', 'r', 't', 'v', '\\', 0,
'\a', '\b', /*27,*/ '\f', '\n', '\r', '\t', '\v', '\\', '\\' }; '\a', '\b', 27, '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
const char *p; const char *p;
const char *q; const char *q;