diff options
Diffstat (limited to 'src/String/Unicode.c')
| -rw-r--r-- | src/String/Unicode.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/String/Unicode.c b/src/String/Unicode.c index 1f0eaf0..26b9670 100644 --- a/src/String/Unicode.c +++ b/src/String/Unicode.c @@ -92,6 +92,9 @@ size_t BH_UnicodeEncodeUtf8(uint32_t unit, { size_t result; + if (unit > 0xD7FF && unit < 0xE000) + return 0; + result = 0; if (unit < 0x80ul) { @@ -199,6 +202,9 @@ size_t BH_UnicodeDecodeUtf16BE(const char *string, size_t BH_UnicodeEncodeUtf16LE(uint32_t unit, char *string) { + if (unit > 0xD7FF && unit < 0xE000) + return 0; + if (unit < 0x10000) { BH_Write16LEu(string, unit); @@ -218,6 +224,9 @@ size_t BH_UnicodeEncodeUtf16LE(uint32_t unit, size_t BH_UnicodeEncodeUtf16BE(uint32_t unit, char *string) { + if (unit > 0xD7FF && unit < 0xE000) + return 0; + if (unit < 0x10000) { BH_Write16BEu(string, unit); @@ -261,7 +270,7 @@ size_t BH_UnicodeDecodeUtf32BE(const char *string, size_t BH_UnicodeEncodeUtf32LE(uint32_t unit, char *string) { - if (unit > 0x1FFFFF) + if (unit > 0x1FFFFF || (unit > 0xD7FF && unit < 0xE000)) return 0; BH_Write32LEu(string, unit); @@ -272,7 +281,7 @@ size_t BH_UnicodeEncodeUtf32LE(uint32_t unit, size_t BH_UnicodeEncodeUtf32BE(uint32_t unit, char *string) { - if (unit > 0x1FFFFF) + if (unit > 0x1FFFFF || (unit > 0xD7FF && unit < 0xE000)) return 0; BH_Write32BEu(string, unit); |