1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
* vsnprintf.c (BSD_vfprintf): [EXPERIMENTAL] object representation in
  rb_enc_vsprintf(). [Feature #5896]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35776 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-05-24 14:36:54 +00:00
parent 60e8cd2e68
commit ce8e2d5404
6 changed files with 88 additions and 10 deletions

View file

@ -183,6 +183,7 @@ typedef struct __sFILE {
struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
size_t _lbfsize; /* 0 or -_bf._size, for inline putc */
int (*vwrite)(/* struct __sFILE*, struct __suio * */);
char *(*vextra)(/* struct __sFILE*, size_t, void*, long* */);
} FILE;
@ -793,11 +794,39 @@ reswitch: switch (ch) {
size = 1;
sign = '\0';
break;
case 'i':
#ifdef _HAVE_SANE_QUAD_
# define INTPTR_MASK (QUADINT|LONGINT|SHORTINT)
#else
# define INTPTR_MASK (LONGINT|SHORTINT)
#endif
#if defined _HAVE_SANE_QUAD_ && SIZEOF_VOIDP == SIZEOF_LONG_LONG
# define INTPTR_FLAG QUADINT
#elif SIZEOF_VOIDP == SIZEOF_LONG
# define INTPTR_FLAG LONGINT
#else
# define INTPTR_FLAG 0
#endif
if (fp->vextra && (flags & INTPTR_MASK) == INTPTR_FLAG) {
FLUSH();
#if defined _HAVE_SANE_QUAD_ && SIZEOF_VOIDP == SIZEOF_LONG_LONG
uqval = va_arg(ap, u_quad_t);
cp = (*fp->vextra)(fp, sizeof(uqval), &uqval, &fieldsz);
#else
ulval = va_arg(ap, u_long);
cp = (*fp->vextra)(fp, sizeof(ulval), &ulval, &fieldsz);
#endif
if (!cp) goto error;
if (prec < 0) goto long_len;
size = fieldsz < prec ? (int)fieldsz : prec;
break;
}
goto decimal;
case 'D':
flags |= LONGINT;
/*FALLTHROUGH*/
case 'd':
case 'i':
decimal:
#ifdef _HAVE_SANE_QUAD_
if (flags & QUADINT) {
uqval = va_arg(ap, quad_t);
@ -1269,6 +1298,7 @@ ruby_vsnprintf(char *str, size_t n, const char *fmt, va_list ap)
f._bf._base = f._p = (unsigned char *)str;
f._bf._size = f._w = n - 1;
f.vwrite = BSD__sfvwrite;
f.vextra = 0;
ret = (int)BSD_vfprintf(&f, fmt, ap);
*f._p = 0;
return (ret);
@ -1289,6 +1319,7 @@ ruby_snprintf(char *str, size_t n, char const *fmt, ...)
f._bf._base = f._p = (unsigned char *)str;
f._bf._size = f._w = n - 1;
f.vwrite = BSD__sfvwrite;
f.vextra = 0;
ret = (int)BSD_vfprintf(&f, fmt, ap);
*f._p = 0;
va_end(ap);