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sprintf.c: ruby specific functions

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* sprintf.c (ruby_vsnprintf, ruby_snprintf): move ruby specific
  functions from vsnprintf.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49683 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-02-22 01:40:40 +00:00
parent c5d781dded
commit 6c801fc58f
2 changed files with 33 additions and 40 deletions
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33
sprintf.c
View file

@ -1256,6 +1256,39 @@ fmt_setup(char *buf, size_t size, int c, int flags, int width, int prec)
#define upper_hexdigits (ruby_hexdigits+16) #define upper_hexdigits (ruby_hexdigits+16)
#include "vsnprintf.c" #include "vsnprintf.c"
int
ruby_vsnprintf(char *str, size_t n, const char *fmt, va_list ap)
{
int ret;
rb_printf_buffer f;
if ((int)n < 1)
return (EOF);
f._flags = __SWR | __SSTR;
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;
}
int
ruby_snprintf(char *str, size_t n, char const *fmt, ...)
{
int ret;
va_list ap;
if ((int)n < 1)
return (EOF);
va_start(ap, fmt);
ret = ruby_vsnprintf(str, n, fmt, ap);
va_end(ap);
return ret;
}
typedef struct { typedef struct {
rb_printf_buffer base; rb_printf_buffer base;
volatile VALUE value; volatile VALUE value;

40
vsnprintf.c
View file

@ -1311,43 +1311,3 @@ exponent(char *p0, int exp, int fmtch)
return (int)(p - p0); return (int)(p - p0);
} }
#endif /* FLOATING_POINT */ #endif /* FLOATING_POINT */
int
ruby_vsnprintf(char *str, size_t n, const char *fmt, va_list ap)
{
int ret;
FILE f;
if ((int)n < 1)
return (EOF);
f._flags = __SWR | __SSTR;
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);
}
int
ruby_snprintf(char *str, size_t n, char const *fmt, ...)
{
int ret;
va_list ap;
FILE f;
if ((int)n < 1)
return (EOF);
va_start(ap, fmt);
f._flags = __SWR | __SSTR;
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);
return (ret);
}