From b6c0d9c2019996754e8a04b53a328c43c85f5c73 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 6 Feb 2010 23:39:14 +0100 Subject: [PATCH] 2010-02-06 Vladimir Serbinenko * kern/misc.c (grub_utf8_to_ucs4): Don't eat valid characters preceeded by non-valid ones. * kern/term.c (grub_putchar): Likewise. --- ChangeLog | 6 ++++++ kern/misc.c | 4 ++++ kern/term.c | 9 +++++---- 3 files changed, 15 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 8de063bf2..e71065338 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2010-02-06 Vladimir Serbinenko + + * kern/misc.c (grub_utf8_to_ucs4): Don't eat valid characters preceeded + by non-valid ones. + * kern/term.c (grub_putchar): Likewise. + 2010-02-06 Vladimir Serbinenko * partmap/sun.c (sun_partition_map_iterate): Restructure flow to fix diff --git a/kern/misc.c b/kern/misc.c index 309267786..f45991d96 100644 --- a/kern/misc.c +++ b/kern/misc.c @@ -971,6 +971,10 @@ grub_utf8_to_ucs4 (grub_uint32_t *dest, grub_size_t destsize, { /* invalid */ code = '?'; + /* Character c may be valid, don't eat it. */ + src--; + if (srcsize != (grub_size_t)-1) + srcsize++; count = 0; } else diff --git a/kern/term.c b/kern/term.c index b381d9336..6e3a2b454 100644 --- a/kern/term.c +++ b/kern/term.c @@ -57,16 +57,17 @@ grub_putchar (int c) { static grub_size_t size = 0; static grub_uint8_t buf[6]; + grub_uint8_t *rest; grub_uint32_t code; - grub_size_t ret; buf[size++] = c; - ret = grub_utf8_to_ucs4 (&code, 1, buf, size, 0); - if (ret != 0) + while (grub_utf8_to_ucs4 (&code, 1, buf, size, (const grub_uint8_t **) &rest) + != 0) { struct grub_term_output *term; - size = 0; + size -= rest - buf; + grub_memmove (buf, rest, size); FOR_ACTIVE_TERM_OUTPUTS(term) grub_putcode (code, term); if (code == '\n' && grub_newline_hook)