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(decode_coding_iso2022): More strict check for handling single

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shifting.
This commit is contained in:
Kenichi Handa 2000-08-04 02:05:39 +00:00
parent 99bb2c6002
commit e7046a1877
1 changed files with 4 additions and 0 deletions
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4
src/coding.c
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@ -1471,6 +1471,8 @@ decode_coding_iso2022 (coding, source, destination, src_bytes, dst_bytes)
goto label_invalid_code;
charset = CODING_SPEC_ISO_DESIGNATION (coding, 2);
ONE_MORE_BYTE (c1);
if (c1 < 0x20 || (c1 >= 0x80 && c1 < 0xA0))
goto label_invalid_code;
break;
case 'O': /* invocation of single-shift-3 */
@ -1479,6 +1481,8 @@ decode_coding_iso2022 (coding, source, destination, src_bytes, dst_bytes)
goto label_invalid_code;
charset = CODING_SPEC_ISO_DESIGNATION (coding, 3);
ONE_MORE_BYTE (c1);
if (c1 < 0x20 || (c1 >= 0x80 && c1 < 0xA0))
goto label_invalid_code;
break;
case '0': case '2': case '3': case '4': /* start composition */