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| author | Tatsuya Kinoshita <tats@debian.org> | 2021-01-02 00:20:37 +0000 |
|---|---|---|
| committer | Tatsuya Kinoshita <tats@debian.org> | 2021-01-02 00:20:37 +0000 |
| commit | 1d0ba25a660483da1272a31dd077ed94441e3d9f (patch) | |
| tree | 1d8dee52cd1e3d340fe178a8193dc96c4496db84 /libwc/ucs.c | |
| parent | Merge branch 'cvstrunk' into upstream (diff) | |
| download | w3m-1d0ba25a660483da1272a31dd077ed94441e3d9f.tar.gz w3m-1d0ba25a660483da1272a31dd077ed94441e3d9f.zip | |
New upstream version 0.5.3+git20210102upstream/0.5.3+git20210102upstream
Diffstat (limited to 'libwc/ucs.c')
| -rw-r--r-- | libwc/ucs.c | 8 |
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; } |