diff options
| author | Jeff Johnston <jjohnstn@redhat.com> | 2003-11-21 23:48:49 +0300 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2003-11-21 23:48:49 +0300 |
| commit | 4f6149d6f07c79fd48c0d41f303786f610e81bd1 (patch) | |
| tree | 0d24a01ed2c4446b82c40afa1554890f3e9ceddb /newlib/libc/stdio/vfscanf.c | |
| parent | 4bd6628553506745bfa6c738658fecb0d2b40065 (diff) | |
2003-11-21 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdio/vfscanf.c (__svfscanf_r)[!_NO_LONGDBL]: Don't use
_strtold routine for processing floats and doubles since it
is not as fast as _strtod_r.
Diffstat (limited to 'newlib/libc/stdio/vfscanf.c')
| -rw-r--r-- | newlib/libc/stdio/vfscanf.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/newlib/libc/stdio/vfscanf.c b/newlib/libc/stdio/vfscanf.c index 3c0472b57..fab2fbf3c 100644 --- a/newlib/libc/stdio/vfscanf.c +++ b/newlib/libc/stdio/vfscanf.c @@ -998,10 +998,12 @@ __svfscanf_r (rptr, fp, fmt0, ap) } if ((flags & SUPPRESS) == 0) { -#ifdef _NO_LONGDBL double res; +#ifdef _NO_LONGDBL +#define QUAD_RES res; #else /* !_NO_LONG_DBL */ - long double res; + long double qres; +#define QUAD_RES qres; #endif /* !_NO_LONG_DBL */ long new_exp = 0; @@ -1023,11 +1025,17 @@ __svfscanf_r (rptr, fp, fmt0, ap) exp_start = buf + sizeof (buf) - MAX_LONG_LEN - 1; sprintf (exp_start, "e%ld", new_exp); } -#ifdef _NO_LONGDBL - res = _strtod_r (rptr, buf, NULL); -#else /* !_NO_LONGDBL */ - res = _strtold (buf, NULL); -#endif /* !_NO_LONGDBL */ + + /* Current _strtold routine is markedly slower than + _strtod_r. Only use it if we have a long double + result. */ +#ifndef _NO_LONGDBL /* !_NO_LONGDBL */ + if (flags & LONGDBL) + qres = _strtold (buf, NULL); + else +#endif + res = _strtod_r (rptr, buf, NULL); + if (flags & LONG) { dp = va_arg (ap, double *); @@ -1036,7 +1044,7 @@ __svfscanf_r (rptr, fp, fmt0, ap) else if (flags & LONGDBL) { ldp = va_arg (ap, _LONG_DOUBLE *); - *ldp = res; + *ldp = QUAD_RES; } else { |