* xmlCopyCharMultiByte: * @out: pointer to an array of xmlChar * @val: the char value * * append the char value in the array * * Returns the number of xmlChar written */
| 907 | * Returns the number of xmlChar written |
| 908 | */ |
| 909 | int |
| 910 | xmlCopyCharMultiByte(xmlChar *out, int val) { |
| 911 | if ((out == NULL) || (val < 0)) return(0); |
| 912 | /* |
| 913 | * We are supposed to handle UTF8, check it's valid |
| 914 | * From rfc2044: encoding of the Unicode values on UTF-8: |
| 915 | * |
| 916 | * UCS-4 range (hex.) UTF-8 octet sequence (binary) |
| 917 | * 0000 0000-0000 007F 0xxxxxxx |
| 918 | * 0000 0080-0000 07FF 110xxxxx 10xxxxxx |
| 919 | * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx |
| 920 | */ |
| 921 | if (val >= 0x80) { |
| 922 | xmlChar *savedout = out; |
| 923 | int bits; |
| 924 | if (val < 0x800) { *out++= (val >> 6) | 0xC0; bits= 0; } |
| 925 | else if (val < 0x10000) { *out++= (val >> 12) | 0xE0; bits= 6;} |
| 926 | else if (val < 0x110000) { *out++= (val >> 18) | 0xF0; bits= 12; } |
| 927 | else { |
| 928 | #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION |
| 929 | fprintf(stderr, "xmlCopyCharMultiByte: codepoint out of range\n"); |
| 930 | abort(); |
| 931 | #endif |
| 932 | return(0); |
| 933 | } |
| 934 | for ( ; bits >= 0; bits-= 6) |
| 935 | *out++= ((val >> bits) & 0x3F) | 0x80 ; |
| 936 | return (out - savedout); |
| 937 | } |
| 938 | *out = val; |
| 939 | return 1; |
| 940 | } |
| 941 | |
| 942 | /** |
| 943 | * xmlCopyChar: |
no test coverage detected