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Diffstat (limited to 'ext/-test-/printf/printf.c')
-rw-r--r--ext/-test-/printf/printf.c93
1 files changed, 51 insertions, 42 deletions
diff --git a/ext/-test-/printf/printf.c b/ext/-test-/printf/printf.c
index fd60b0f593..889c0d9f0d 100644
--- a/ext/-test-/printf/printf.c
+++ b/ext/-test-/printf/printf.c
@@ -2,14 +2,6 @@
#include <ruby/encoding.h>
static VALUE
-printf_test_i(VALUE self, VALUE obj)
-{
- char buf[256];
- snprintf(buf, sizeof(buf), "<%"PRIsVALUE">", obj);
- return rb_usascii_str_new2(buf);
-}
-
-static VALUE
printf_test_s(VALUE self, VALUE obj)
{
return rb_enc_sprintf(rb_usascii_encoding(), "<%"PRIsVALUE">", obj);
@@ -28,12 +20,12 @@ printf_test_q(VALUE self, VALUE obj)
}
static char *
-utoa(char *p, char *e, unsigned int x)
+uint_to_str(char *p, char *e, unsigned int x)
{
char *e0 = e;
if (e <= p) return p;
do {
- *--e = x % 10 + '0';
+ *--e = x % 10 + '0';
} while ((x /= 10) != 0 && e > p);
memmove(p, e, e0 - e);
return p + (e0 - e);
@@ -42,59 +34,76 @@ utoa(char *p, char *e, unsigned int x)
static VALUE
printf_test_call(int argc, VALUE *argv, VALUE self)
{
- VALUE opt, type, num;
+ VALUE opt, type, num, result;
char format[sizeof(int) * 6 + 8], *p = format, cnv;
- int n;
+ int n = 0;
+ const char *s = 0;
rb_scan_args(argc, argv, "2:", &type, &num, &opt);
Check_Type(type, T_STRING);
if (RSTRING_LEN(type) != 1) rb_raise(rb_eArgError, "wrong length(%ld)", RSTRING_LEN(type));
switch (cnv = RSTRING_PTR(type)[0]) {
- case 'd': case 'x': case 'o': case 'X': break;
+ case 'd': case 'x': case 'o': case 'X':
+ n = NUM2INT(num);
+ break;
+ case 's':
+ s = StringValueCStr(num);
+ break;
default: rb_raise(rb_eArgError, "wrong conversion(%c)", cnv);
}
- n = NUM2INT(num);
*p++ = '%';
if (!NIL_P(opt)) {
- VALUE v;
- Check_Type(opt, T_HASH);
- if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("space"))))) {
- *p++ = ' ';
- }
- if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("hash"))))) {
- *p++ = '#';
- }
- if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("plus"))))) {
- *p++ = '+';
- }
- if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("minus"))))) {
- *p++ = '-';
- }
- if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("zero"))))) {
- *p++ = '0';
- }
- if (!NIL_P(v = rb_hash_aref(opt, ID2SYM(rb_intern("width"))))) {
- p = utoa(p, format + sizeof(format), NUM2UINT(v));
- }
- if (!NIL_P(v = rb_hash_aref(opt, ID2SYM(rb_intern("prec"))))) {
- *p++ = '.';
- if (FIXNUM_P(v))
- p = utoa(p, format + sizeof(format), NUM2UINT(v));
- }
+ VALUE v;
+ Check_Type(opt, T_HASH);
+ if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("space"))))) {
+ *p++ = ' ';
+ }
+ if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("hash"))))) {
+ *p++ = '#';
+ }
+ if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("plus"))))) {
+ *p++ = '+';
+ }
+ if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("minus"))))) {
+ *p++ = '-';
+ }
+ if (RTEST(rb_hash_aref(opt, ID2SYM(rb_intern("zero"))))) {
+ *p++ = '0';
+ }
+ if (!NIL_P(v = rb_hash_aref(opt, ID2SYM(rb_intern("width"))))) {
+ p = uint_to_str(p, format + sizeof(format), NUM2UINT(v));
+ }
+ if (!NIL_P(v = rb_hash_aref(opt, ID2SYM(rb_intern("prec"))))) {
+ *p++ = '.';
+ if (FIXNUM_P(v))
+ p = uint_to_str(p, format + sizeof(format), NUM2UINT(v));
+ }
}
*p++ = cnv;
*p++ = '\0';
- return rb_assoc_new(rb_enc_sprintf(rb_usascii_encoding(), format, n),
- rb_usascii_str_new_cstr(format));
+ if (cnv == 's') {
+ result = rb_enc_sprintf(rb_usascii_encoding(), format, s);
+ }
+ else {
+ result = rb_enc_sprintf(rb_usascii_encoding(), format, n);
+ }
+ return rb_assoc_new(result, rb_usascii_str_new_cstr(format));
+}
+
+static VALUE
+snprintf_count(VALUE self, VALUE str)
+{
+ int n = ruby_snprintf(NULL, 0, "%s", StringValueCStr(str));
+ return INT2FIX(n);
}
void
Init_printf(void)
{
VALUE m = rb_define_module_under(rb_define_module("Bug"), "Printf");
- rb_define_singleton_method(m, "i", printf_test_i, 1);
rb_define_singleton_method(m, "s", printf_test_s, 1);
rb_define_singleton_method(m, "v", printf_test_v, 1);
rb_define_singleton_method(m, "q", printf_test_q, 1);
rb_define_singleton_method(m, "call", printf_test_call, -1);
+ rb_define_singleton_method(m, "sncount", snprintf_count, 1);
}