Given unsigned char *str, a UTF-8 encoded string, is it legal to write the first byte (not character) with fputc((char)(*str), file);
Given unsigned char *str , a UTF-8 encoded string, is it legal to write
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Given unsigned char *str, a UTF-8 encoded string, is it legal to write the first byte (not character) with fputc((char)(*str), file);
Remove the cast to
char.fputctakes the character to write as anintargument whose value is expected to be in the range ofunsigned char, notchar. Assuming(unsigned char)(char)acts as the identity operator onunsigned charvalues, there’s no error in your code, but it’s not guaranteed to especially for oddball systems without twos complement.