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unicode: add iso_decode_ex with utf8 buffer size check

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Make use of it in id3tags, playlist and cuesheet

Change-Id: Ibc8abc0faf16688bc9b826b7a712d1dfe9bf75b2
This commit is contained in:
Roman Artiukhin 2024-12-11 14:31:38 +02:00 • committed by Solomon Peachy
parent f8fa1e7d5a
commit 004304dc65
5 changed files with 56 additions and 37 deletions
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firmware/include/rbunicode.h
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@ -57,6 +57,8 @@ enum codepages {
/* Encode a UCS value as UTF-8 and return a pointer after this UTF-8 char. */
unsigned char* utf8encode(unsigned long ucs, unsigned char *utf8);
unsigned char* iso_decode(const unsigned char *latin1, unsigned char *utf8, int cp, int count);
unsigned char* iso_decode_ex(const unsigned char *iso, unsigned char *utf8, int cp, int count, int utf8_size);
unsigned char* utf16LEdecode(const unsigned char *utf16, unsigned char *utf8, int count);
unsigned char* utf16BEdecode(const unsigned char *utf16, unsigned char *utf8, int count);
bool utf16_has_bom(const unsigned char *utf16, bool *le);