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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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9
apps/playlist.c
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@ -350,14 +350,7 @@ static int convert_m3u_name(char* buf, int buf_len, int buf_max, char* temp)
buf_len = i;
dest = temp;
/* Convert char by char, so as to not overflow temp (iso_decode should
* preferably handle this). No more than 4 bytes should be generated for
* each input char.
*/
for (i = 0; i < buf_len && dest < (temp + buf_max - 4); i++)
{
dest = iso_decode(&buf[i], dest, -1, 1);
}
dest = iso_decode_ex(buf, dest, -1, buf_len, buf_max - 1);
*dest = 0;
strcpy(buf, temp);