pyrite-dev/mdelibs
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bad fix

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This commit is contained in:
Nishi 2025-11-25 01:36:00 +09:00
commit 6c1a07cb68
Signed by: nishi
GPG key ID: 27EF69B208EB9343
1 changed files with 24 additions and 1 deletions
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25
sound/id3.c
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@ -86,8 +86,9 @@ char* MDEID3GetString(const char* path, const char* name){
size_t sz;
unsigned char* d = MDEID3GetTag(path, name, &sz);
char* s;
int i;
if(d == NULL) return NULL;
if(d[0] == 1 || d[0] == 2){
if(d[0] == 2){
free(d);
return NULL;
}
@ -95,6 +96,28 @@ char* MDEID3GetString(const char* path, const char* name){
s = malloc(sz - 1 + 1);
memcpy(s, d + 1, sz - 1);
s[sz - 1] = 0;
if(d[0] == 1){
unsigned short bom = *(unsigned short*)&s[0];
for(i = 1; i < sz - 1; i++){
if(bom == 0xfffe){
unsigned short n = 0;
n = n << 8;
n = n | s[2 * i + 0];
n = n << 8;
n = n | s[2 * i + 1];
s[i - 1] = n & 0x7f;
}else if(bom == 0xfeff){
unsigned short n = 0;
n = n << 8;
n = n | s[2 * i + 1];
n = n << 8;
n = n | s[2 * i + 0];
s[i - 1] = n & 0x7f;
}
}
s[i - 1] = 0;
}
free(d);