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authorTatsuya Kinoshita <tats@debian.org>2021-01-02 00:20:47 +0000
committerTatsuya Kinoshita <tats@debian.org>2021-01-02 00:20:47 +0000
commita722a562112506c63c9b6519b8252d633534a35a (patch)
tree78dc4b8bbefa910007339970eaf004f012d2082f /libwc/ucs.c
parentSwitch upstream to Debian's w3m (diff)
parentNew upstream version 0.5.3+git20210102 (diff)
downloadw3m-a722a562112506c63c9b6519b8252d633534a35a.tar.gz
w3m-a722a562112506c63c9b6519b8252d633534a35a.zip
Update upstream source from tag 'upstream/0.5.3+git20210102'
Update to upstream version '0.5.3+git20210102' with Debian dir e89c066385156d7c9ed01b0c8a1a08e01019959d
Diffstat (limited to 'libwc/ucs.c')
-rw-r--r--libwc/ucs.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libwc/ucs.c b/libwc/ucs.c
index d7b6948..18c3a67 100644
--- a/libwc/ucs.c
+++ b/libwc/ucs.c
@@ -100,6 +100,7 @@ wc_ucs_to_any(wc_uint32 ucs, wc_table *t)
return t->conv(t->ccs, map->code2);
}
cc.ccs = WC_CCS_UNKNOWN;
+ cc.code = 0;
return cc;
}
@@ -108,6 +109,7 @@ wc_any_to_ucs(wc_wchar_t cc)
{
int f;
wc_uint16 *map = NULL;
+ wc_uint32 map_size = 0x80;
wc_map *map2;
f = WC_CCS_INDEX(cc.ccs);
@@ -138,6 +140,7 @@ wc_any_to_ucs(wc_wchar_t cc)
if (f < WC_F_ISO_BASE || f > WC_F_CS94W_END)
return 0;
map = cs94w_ucs_map[f - WC_F_ISO_BASE];
+ map_size = cs94w_ucs_map_size[f - WC_F_ISO_BASE];
cc.code = WC_CS94W_N(cc.code);
break;
case WC_CCS_A_CS96:
@@ -150,6 +153,7 @@ wc_any_to_ucs(wc_wchar_t cc)
if (f < WC_F_ISO_BASE || f > WC_F_CS96W_END)
return WC_C_UCS4_ERROR;
map = cs96w_ucs_map[f - WC_F_ISO_BASE];
+ map_size = cs96w_ucs_map_size[f - WC_F_ISO_BASE];
cc.code = WC_CS96W_N(cc.code);
break;
case WC_CCS_A_CS942:
@@ -174,12 +178,14 @@ wc_any_to_ucs(wc_wchar_t cc)
return WC_C_UCS2_EURO;
}
map = pcs_ucs_map[f - WC_F_PCS_BASE];
+ map_size = pcs_ucs_map_size[f - WC_F_PCS_BASE];
cc.code &= 0x7f;
break;
case WC_CCS_A_PCSW:
if (f < WC_F_PCS_BASE || f > WC_F_PCSW_END)
return WC_C_UCS4_ERROR;
map = pcsw_ucs_map[f - WC_F_PCS_BASE];
+ map_size = pcsw_ucs_map_size[f - WC_F_PCS_BASE];
switch (cc.ccs) {
case WC_CCS_BIG5:
cc.code = WC_BIG5_N(cc.code);
@@ -271,6 +277,8 @@ wc_any_to_ucs(wc_wchar_t cc)
}
if (map == NULL)
return WC_C_UCS4_ERROR;
+ if (map_size == 0 || cc.code > map_size - 1)
+ return WC_C_UCS4_ERROR;
cc.code = map[cc.code];
return cc.code ? cc.code : WC_C_UCS4_ERROR;
}