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merge “upper bound Emacs mode command repeat by input line length” from 

oksh (slightly different implementation) and remark better plans (which
doesn’t mean bounding the repeat counter is bad, though…)
This commit is contained in:
tg 2011-10-07 19:45:08 +00:00
parent 84096a0a86
commit 23afb6dbb8
1 changed files with 8 additions and 4 deletions
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12
edit.c
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@ -1,6 +1,6 @@
;/* $OpenBSD: edit.c,v 1.34 2010/05/20 01:13:07 fgsch Exp $ */
/* $OpenBSD: edit.c,v 1.34 2010/05/20 01:13:07 fgsch Exp $ */
/* $OpenBSD: edit.h,v 1.9 2011/05/30 17:14:35 martynas Exp $ */
/* $OpenBSD: emacs.c,v 1.43 2011/03/14 21:20:01 okan Exp $ */
/* $OpenBSD: emacs.c,v 1.44 2011/09/05 04:50:33 marco Exp $ */
/* $OpenBSD: vi.c,v 1.26 2009/06/29 22:50:19 martynas Exp $ */
/*-
@ -25,7 +25,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.221 2011/09/07 15:24:12 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.222 2011/10/07 19:45:08 tg Exp $");
/*
* in later versions we might use libtermcap for this, but since external
@ -2878,17 +2878,21 @@ x_e_puts(const char *s)
static int
x_set_arg(int c)
{
int n = 0;
unsigned int n = 0;
bool first = true;
/* strip command prefix */
c &= 255;
while (c >= 0 && ksh_isdigit(c)) {
n = n * 10 + (c - '0');
if (n > LINE)
/* upper bound for repeat */
goto x_set_arg_too_big;
c = x_e_getc();
first = false;
}
if (c < 0 || first) {
x_set_arg_too_big:
x_e_putc2(7);
x_arg = 1;
x_arg_defaulted = true;