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-rw-r--r--misc/efgcvt.c49
1 files changed, 39 insertions, 10 deletions
diff --git a/misc/efgcvt.c b/misc/efgcvt.c
index 915d00dfd5..b9fb4a9b71 100644
--- a/misc/efgcvt.c
+++ b/misc/efgcvt.c
@@ -1,5 +1,6 @@
/* Compatibility functions for floating point formatting.
- Copyright (C) 1995, 1996, 1997, 1999, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1999, 2002, 2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -23,6 +24,7 @@
#include <sys/param.h>
#include <float.h>
#include <bits/libc-lock.h>
+#include <math_ldbl_opt.h>
#ifndef FLOAT_TYPE
# define FLOAT_TYPE double
@@ -44,10 +46,14 @@
# error "NDIGIT_MAX must be precomputed"
# define NDIGIT_MAX (lrint (ceil (M_LN2 / M_LN10 * DBL_MANT_DIG + 1.0)))
# endif
+#else
+# define LONG_DOUBLE_CVT
#endif
#define APPEND(a, b) APPEND2 (a, b)
#define APPEND2(a, b) a##b
+#define __APPEND(a, b) __APPEND2 (a, b)
+#define __APPEND2(a, b) __##a##b
#define FCVT_BUFFER APPEND (FUNC_PREFIX, fcvt_buffer)
@@ -60,14 +66,14 @@ static char ECVT_BUFFER[MAXDIG];
libc_freeres_ptr (static char *FCVT_BUFPTR);
char *
-APPEND (FUNC_PREFIX, fcvt) (value, ndigit, decpt, sign)
+__APPEND (FUNC_PREFIX, fcvt) (value, ndigit, decpt, sign)
FLOAT_TYPE value;
int ndigit, *decpt, *sign;
{
if (FCVT_BUFPTR == NULL)
{
- if (APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign,
- FCVT_BUFFER, MAXDIG) != -1)
+ if (__APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign,
+ FCVT_BUFFER, MAXDIG) != -1)
return FCVT_BUFFER;
FCVT_BUFPTR = (char *) malloc (FCVT_MAXDIG);
@@ -75,26 +81,26 @@ APPEND (FUNC_PREFIX, fcvt) (value, ndigit, decpt, sign)
return FCVT_BUFFER;
}
- (void) APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign,
- FCVT_BUFPTR, FCVT_MAXDIG);
+ (void) __APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign,
+ FCVT_BUFPTR, FCVT_MAXDIG);
return FCVT_BUFPTR;
}
char *
-APPEND (FUNC_PREFIX, ecvt) (value, ndigit, decpt, sign)
+__APPEND (FUNC_PREFIX, ecvt) (value, ndigit, decpt, sign)
FLOAT_TYPE value;
int ndigit, *decpt, *sign;
{
- (void) APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign,
- ECVT_BUFFER, MAXDIG);
+ (void) __APPEND (FUNC_PREFIX, ecvt_r) (value, ndigit, decpt, sign,
+ ECVT_BUFFER, MAXDIG);
return ECVT_BUFFER;
}
char *
-APPEND (FUNC_PREFIX, gcvt) (value, ndigit, buf)
+__APPEND (FUNC_PREFIX, gcvt) (value, ndigit, buf)
FLOAT_TYPE value;
int ndigit;
char *buf;
@@ -102,3 +108,26 @@ APPEND (FUNC_PREFIX, gcvt) (value, ndigit, buf)
sprintf (buf, "%.*" FLOAT_FMT_FLAG "g", MIN (ndigit, NDIGIT_MAX), value);
return buf;
}
+
+#if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
+# ifdef LONG_DOUBLE_CVT
+# define cvt_symbol(symbol) \
+ cvt_symbol_1 (libc, __APPEND (FUNC_PREFIX, symbol), \
+ APPEND (FUNC_PREFIX, symbol), GLIBC_2_4)
+# define cvt_symbol_1(lib, local, symbol, version) \
+ versioned_symbol (lib, local, symbol, version)
+# else
+# define cvt_symbol(symbol) \
+ cvt_symbol_1 (libc, __APPEND (FUNC_PREFIX, symbol), \
+ APPEND (q, symbol), GLIBC_2_0); \
+ strong_alias (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
+# define cvt_symbol_1(lib, local, symbol, version) \
+ compat_symbol (lib, local, symbol, version)
+# endif
+#else
+# define cvt_symbol(symbol) \
+ strong_alias (__APPEND (FUNC_PREFIX, symbol), APPEND (FUNC_PREFIX, symbol))
+#endif
+cvt_symbol(fcvt);
+cvt_symbol(ecvt);
+cvt_symbol(gcvt);