fp_fmt.c: remove `mrb_float_to_cstr()`.

The function was intended to be a utility function for `mruby-sprintf`.
The functionality was integrated into `sprintf.c`.

1 files changed, 0 insertions, 79 deletions

diff --git a/src/fmt_fp.c b/src/fmt_fp.c
index 50abe3747..bfc0c82a6 100644
--- a/src/fmt_fp.c
+++ b/src/fmt_fp.c
@@ -365,85 +365,6 @@ mrb_format_float(mrb_float f, char *buf, size_t buf_size, char fmt, int prec, ch
 }
 
 
-int
-mrb_float_to_cstr(mrb_state *mrb, char *buf, size_t buf_size, const char *fmt, mrb_float f)
-{
-  const char *s = fmt;
-  char sign = '\0';
-  int alt_form = 0;
-  int left_align = 0;
-  int zero_pad = 0;
-  int width = -1;
-  int prec = 6;
-
-  s++;    // skip %
-
-  while (*s) {
-    if (*s == '-') {
-      left_align = 1;
-    } else if (*s == '+') {
-      sign = '+';
-    } else if (*s == ' ') {
-      sign = ' ';
-    } else if (*s == '0') {
-      zero_pad = 1;
-    } else if (*s == '#') {
-      alt_form = 1;
-    } else {
-      break;
-    }
-    s++;
-  }
-  if (ISDIGIT(*s)) {
-    char *endptr;
-    width = strtoul(s, &endptr, 10);
-    s = endptr;
-  }
-  if (*s == '.') {
-    s++;
-    if (ISDIGIT(*s)) {
-      char *endptr;
-      prec = strtoul(s, &endptr, 10);
-      s = endptr;
-    }
-    else {
-      prec = 0;
-    }
-  }
-  char c = *s;
-  if (alt_form) {
-    c |= 0x80;
-  }
-  int len = mrb_format_float(f, buf, buf_size, c, prec, sign);
-
-  // buf[0] < '0' returns true if the first character is space, + or -
-  // buf[1] < '9' matches a digit, and doesn't match when we get back +nan or +inf
-  if (buf[0] < '0' && buf[1] <= '9' && zero_pad) {
-    buf++;
-    width--;
-    len--;
-  }
-  if (*buf < '0' || *buf >= '9') {
-    // For inf or nan, we don't want to zero pad.
-    zero_pad = 0;
-  }
-  if (len >= width) {
-    return len;
-  }
-  buf[width] = '\0';
-  if (left_align) {
-    memset(&buf[len], ' ', width - len);
-    return width;
-  }
-  memmove(&buf[width - len], buf, len);
-  if (zero_pad) {
-    memset(buf, '0', width - len);
-  } else {
-    memset(buf, ' ', width - len);
-  }
-  return width;
-}
-
 MRB_API mrb_value
 mrb_float_to_str(mrb_state *mrb, mrb_value flo)
 {