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-rw-r--r--ChangeLog1
-rw-r--r--stdio-common/vfscanf.c25
2 files changed, 17 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 0c798822f1..f7833de0ee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
* stdio-common/vfprintf.c (vfprintf): Don't implement special
handling for long long if it is the same as long.
+ * stdio-common/vfscanf.c (_IO_vfscanf): Likewise.
* stdlib/strtol.c: Moved to ...
* sysdeps/generic/strtol.c: ...here.
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index 2e8cf9f5f5..1dbfc53ec9 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -36,6 +36,13 @@
# define LONGLONG long
#endif
+/* Determine whether we have to handle `long long' at all. */
+#if LONG_MAX == LONG_LONG_MAX
+# define need_longlong 0
+#else
+# define need_longlong 1
+#endif
+
/* Those are flags in the conversion format. */
# define LONG 0x001 /* l: long or double */
# define LONGDBL 0x002 /* L: long long or long double */
@@ -439,7 +446,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
{
/* A double `l' is equivalent to an `L'. */
++f;
- flags |= LONGDBL;
+ flags |= need_longlong ? LONGDBL | LONG;
}
else
/* ints are long ints. */
@@ -448,7 +455,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
case 'q':
case 'L':
/* doubles are long doubles, and ints are long long ints. */
- flags |= LONGDBL;
+ flags |= need_longlong ? LONGDBL | LONG;
break;
case 'a':
/* The `a' is used as a flag only if followed by `s', `S' or
@@ -463,19 +470,19 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
flags |= MALLOC;
break;
case 'z':
- if (sizeof (size_t) > sizeof (unsigned long int))
+ if (need_longlong && sizeof (size_t) > sizeof (unsigned long int))
flags |= LONGDBL;
else if (sizeof (size_t) > sizeof (unsigned int))
flags |= LONG;
break;
case 'j':
- if (sizeof (uintmax_t) > sizeof (unsigned long int))
+ if (need_longlong && sizeof (uintmax_t) > sizeof (unsigned long int))
flags |= LONGDBL;
else if (sizeof (uintmax_t) > sizeof (unsigned int))
flags |= LONG;
break;
case 't':
- if (sizeof (ptrdiff_t) > sizeof (long int))
+ if (need_longlong && sizeof (ptrdiff_t) > sizeof (long int))
flags |= LONGDBL;
else if (sizeof (ptrdiff_t) > sizeof (int))
flags |= LONG;
@@ -525,7 +532,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
if (!(flags & SUPPRESS))
{
/* Don't count the read-ahead. */
- if (flags & LONGDBL)
+ if (need_longlong && (flags & LONGDBL))
*ARG (long long int *) = read_in;
else if (flags & LONG)
*ARG (long int *) = read_in;
@@ -916,7 +923,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
/* Convert the number. */
ADDW ('\0');
- if (flags & LONGDBL)
+ if (need_longlong && (flags & LONGDBL))
{
if (number_signed)
num.q = __strtoll_internal (wp, &tw, base, flags & GROUP);
@@ -937,7 +944,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
{
if (! number_signed)
{
- if (flags & LONGDBL)
+ if (need_longlong && (flags & LONGDBL))
*ARG (unsigned LONGLONG int *) = num.uq;
else if (flags & LONG)
*ARG (unsigned long int *) = num.ul;
@@ -951,7 +958,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
}
else
{
- if (flags & LONGDBL)
+ if (need_longlong && (flags & LONGDBL))
*ARG (LONGLONG int *) = num.q;
else if (flags & LONG)
*ARG (long int *) = num.l;