m3u.cpp:452:20: warning: 'char* strncpy(char*, const char*, size_t)' output may be truncated copying 511 bytes from a string of length 1023 [-Wstringop-truncation]
   char *r = strncpy(des, src, count-1);
             ~~~~~~~^~~~~~~~~~~~~~~~~~~
In function 'char* my_strncpy(char*, const char*, size_t)',
    inlined from 'int process_picon(CHANNEL_INFO*)' at m3u.cpp:2042:15:
m3u.cpp:452:20: warning: 'char* strncpy(char*, const char*, size_t)' output may be truncated copying 127 bytes from a string of length 511 [-Wstringop-truncation]
   char *r = strncpy(des, src, count-1);