End of Life Ruby 3.2 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
StringIO#getc
getc → character or nil
ext/stringio/stringio.c
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static VALUE
strio_getc(VALUE self)
{
struct StringIO *ptr = readable(self);
rb_encoding *enc = get_enc(ptr);
VALUE str = ptr->string;
long pos = ptr->pos;
int len;
char *p;
if (pos >= RSTRING_LEN(str)) {
return Qnil;
}
p = RSTRING_PTR(str)+pos;
len = rb_enc_mbclen(p, RSTRING_END(str), enc);
ptr->pos += len;
return enc_subseq(str, pos, len, enc);
}
Reads and returns the next character from the stream; see Character IO.