Method: StringIO#getc

Defined in:
ext/stringio/stringio.c

#getc ⇒ nil

Reads and returns the next character from the stream; see Character IO.

Returns:

  • (nil) 


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# File 'ext/stringio/stringio.c', line 864

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);
}