Update.cvs/libc-ud-971122

1997-11-22 19:28  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/gconv_simple.c: Fix lots of bugs.
	* iconv/iconv_open.c: Normalize names before passing them to
	__gconv_open.

	* libio/iolibio.h: Add prototypes for _IO_{new,old}_fclose.

	* libio/iopopen.c: Check for correct mode argument and punt otherwise.
	* stdio-common/test-popen.c: Add test for above change.

	* math/libm-test.c: Print test results also using %a format,
	specified in PRINTF_XEXPR macro.
	* math/test-double.c: Define PRINTF_XEXPR.
	* math/test-float.c: Likewise.
	* math/test-ldouble.c: Likewise.
	* math/test-idouble.c: Likewise.
	* math/test-ifloat.c: Likewise.
	* math/test-ildoubl.c: Likewise.

	* stdio-common/vfscanf.c: Recognize a in format specifier only as
	modifier if used before s, S, or [.  Otherwise it's the hexadecimal
	FP number format.

	* stdlib/strtod.c: Little code cleanup.

	* sysdeps/i386/Makefile: Define __LIBC_INTERNAL_MATH_INLINES for
	compiling in math subdir.

	* sysdeps/m68k/fpu/e_acos.c: Define __LIBC_INTERNAL_MATH_INLINES
	instead of __LIBC_M81_MATH_INLINES.
	* sysdeps/m68k/fpu/e_atan2.c: Likewise.
	* sysdeps/m68k/fpu/e_fmod.c: Likewise.
	* sysdeps/m68k/fpu/e_pow.c: Likewise.
	* sysdeps/m68k/fpu/e_scalb.c: Likewise.
	* sysdeps/m68k/fpu/k_cos.c: Likewise.
	* sysdeps/m68k/fpu/k_sin.c: Likewise.
	* sysdeps/m68k/fpu/k_tan.c: Likewise.
	* sysdeps/m68k/fpu/s_atan.c: Likewise.
	* sysdeps/m68k/fpu/s_ccos.c: Likewise.
	* sysdeps/m68k/fpu/s_ccosh.c: Likewise.
	* sysdeps/m68k/fpu/s_cexp.c: Likewise.
	* sysdeps/m68k/fpu/s_csin.c: Likewise.
	* sysdeps/m68k/fpu/s_csinh.c: Likewise.
	* sysdeps/m68k/fpu/s_frexp.c: Likewise.
	* sysdeps/m68k/fpu/s_ilogb.c: Likewise.
	* sysdeps/m68k/fpu/s_isinf.c: Likewise.
	* sysdeps/m68k/fpu/s_llrint.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintf.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintl.c: Likewise.
	* sysdeps/m68k/fpu/s_lrint.c: Likewise.
	* sysdeps/m68k/fpu/s_modf.c: Likewise.
	* sysdeps/m68k/fpu/s_remquo.c: Likewise.
	* sysdeps/m68k/fpu/s_scalbn.c: Likewise.
	* sysdeps/m68k/fpu/s_sincos.c: Likewise.
	* sysdeps/m68k/fpu/bits/mathinline.h: Define optimizations if
	__LIBC_INTERNAL_MATH_INLINES is defined.

	* sysdeps/i386/fpu/bits/mathinline.h: Define special i686 versions
	of compare macros from ISO C 9X.  Optimize generic versions a bit.
	Define __signbit inline functions and __ieee754_sqrt which can be
	used if the ompiler is fixed.

	* sysdeps/posix/sysv_signal.c: Define sysv_signal as weak alias.

1997-11-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules ($(common-objpfx)stub-$(subdir)): Look for
	sysdeps/generic in the whole dep file, not only in the first line.

1997-11-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/ieee754/bits/nan.h (__nan) [!__GNUC__]: Fix type.

1997-11-19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/arith.texi (Imaginary Unit): Move @end deftypevr to right
	place.

1997-11-19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-error.c (_dl_signal_error): Only print colon if OBJNAME
	is non-empty.

1997-11-20 16:51  Ulrich Drepper  <drepper@cygnus.com>

	* malloc/malloc.c (malloc_update_mallinfo): Initialize struct for
	return value.

1997-11-19 21:36  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/getcwd.c: Free allocated buffer if
	readlink succeeds but the return value is too long.

	* stdio-common/printf_fphex.c: Determine sign of number correctly.

1997-11-19 02:45  Ulrich Drepper  <drepper@cygnus.com>

	* libc.map: Export __divl, __reml, __divq, __remq, __divqu and
	__remqu for Alpha.

1997-11-18 23:08  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/sys/ucontext.h: Stub context file.

	* libio/iofprintf.c: Removed.  We use the stdio-common version.

	* manual/Makefile (distribute): Add stdio-fp.c.

	* sysdeps/powerpc/Dist: Add ppc-mcount.S.

	* db2/Makefile (distribute): Add include/os_func.h, README and
	mutex/tsl_parisc.s.

	* hesiod/Makefile (distribute): Add README.hesiod.

1997-11-18 22:14  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/gconv.c: Correctly call transformation function.

	* manual/maint.texi: Document need of binutils 2.8.1.0.17.

1997-11-13  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/libm-ieee754/s_remquo.c (__remquo): Fix function (gave
	wrong results for e.g. remquo (3,2, &x)).
	* sysdeps/libm-ieee754/s_remquof.c (__remquof): Likewise.
	* sysdeps/libm-ieee754/s_remquol.c (__remquol): Likewise.

1997-11-18  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* configure.in (ld --version-script): Test if the same symbol
	maybe defined in all versions (needed by recent changes to
	libc.map and supported with binutils 2.8.1.0.17) and issue warning
	if versioning is not supported/enabled.
	(bash test): Correct test case.

	* math/libm-test.c: Added counting/reporting of number of test cases.

	* elf/Makefile ($(objpfx)rtldtbl.h): gawk is not longer required,
	use awk instead.

	* sysdeps/unix/sysv/linux/net/if.h: Add __BEGIN_DECLS/__END_DECLS.

1997-11-18  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* elf/dl-load.c (_dl_init_paths): Correct __mempcpy logic.

1997-11-18 18:04  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/pty.c: Define REVOKE to use revoke function.
	Replace revoke call by use of REVOKE.
	* sysdeps/unix/sysv/linux/pty.c: New file.  Define REVOKE as
	empty and #include generic version.
	Suggested by Zack Weinberg <zack@rabi.phys.columbia.edu>.

1997-11-18 16:02  Ulrich Drepper  <drepper@cygnus.com>

	* libc.map: Add socket functions with __libc_* names.
	Reported by Andreas Jaeger.

1997-11-18  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* libc.map: Tidy up (remove duplicates, sort entries).

1997-11-18  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* iconv/gconv.h: Add __BEGIN_DECLS/__END_DECLS.

1997-11-18 06:45  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/pty.c: Make thread safe.  Fix bug when calling
	again after successful call.
	Patch by Marc Lehmann <pcg@goof.com>.

1997-11-17  Paul Eggert  <eggert@twinsun.com>

	* time/mktime.c, time/strftime.c (_REENTRANT): #define,
	as some hosts need this to declare localtime_r properly.

1997-11-18 06:08  Ulrich Drepper  <drepper@cygnus.com>

	* libc.map: Add iconv_open, iconv, and iconv_close.

4 files changed, 79 insertions, 11 deletions

diff --git a/iconv/gconv.c b/iconv/gconv.c
index 537d0dc3e7..0cbb052a6d 100644
--- a/iconv/gconv.c
+++ b/iconv/gconv.c
@@ -27,6 +27,7 @@ __gconv (gconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
 	 size_t *outbytesleft, size_t *converted)
 {
   size_t last_step = cd->nsteps - 1;
+  size_t oldinbytes = *inbytesleft;
   int result;
 
   cd->data[last_step].outbuf = *outbuf;
@@ -36,9 +37,10 @@ __gconv (gconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
   if (converted != NULL)
     *converted = 0;
 
-  result = (*cd->steps->fct) (cd->steps, cd->data, inbuf, inbytesleft,
+  result = (*cd->steps->fct) (cd->steps, cd->data, *inbuf, inbytesleft,
 			      converted, inbuf == NULL || *inbuf == NULL);
 
+  *inbuf += oldinbytes - *inbytesleft;
   *outbuf += cd->data[last_step].outbufavail;
   *outbytesleft -= cd->data[last_step].outbufavail;
 
diff --git a/iconv/gconv.h b/iconv/gconv.h
index 45f3a6cf8a..2c42f99ace 100644
--- a/iconv/gconv.h
+++ b/iconv/gconv.h
@@ -24,6 +24,8 @@
 #include <sys/types.h>
 #include <regex.h>
 
+__BEGIN_DECLS
+
 /* Error codes for gconv functions.  */
 enum
 {
@@ -202,4 +204,6 @@ extern void __gconv_transform_end_rstate __P ((struct gconv_step_data *__data));
 
 #endif
 
+__END_DECLS
+
 #endif /* gconv.h */
diff --git a/iconv/gconv_simple.c b/iconv/gconv_simple.c
index 91a347b058..582c6f5a27 100644
--- a/iconv/gconv_simple.c
+++ b/iconv/gconv_simple.c
@@ -123,14 +123,23 @@ __gconv_transform_ucs4_utf8 (struct gconv_step *step,
 					  data->outbufsize - data->outbufavail,
 					  (mbstate_t *) data->data);
 
-	  /* Status so far.  */
-	  result = GCONV_EMPTY_INPUT;
-
 	  /* Remember how much we converted.  */
 	  do_write += newinbuf - inbuf;
 	  *inlen -= (newinbuf - inbuf) * sizeof (wchar_t);
 
 	  data->outbufavail += actually;
+
+	  if (data->is_last)
+	    {
+	      /* This is the last step.  */
+	      result = (*inlen < sizeof (wchar_t)
+			? GCONV_EMPTY_INPUT : GCONV_FULL_OUTPUT);
+	      break;
+	    }
+
+	  /* Status so far.  */
+	  result = GCONV_EMPTY_INPUT;
+
 	  if (data->outbufavail > 0)
 	    {
 	      /* Call the functions below in the chain.  */
@@ -140,7 +149,7 @@ __gconv_transform_ucs4_utf8 (struct gconv_step *step,
 			       written, 0);
 
 	      /* Correct the output buffer.  */
-	      if (newavail != data->outbufavail)
+	      if (newavail != data->outbufavail && newavail > 0)
 		{
 		  memmove (data->outbuf,
 			   &data->outbuf[data->outbufavail - newavail],
@@ -204,14 +213,23 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
 					   / sizeof (wchar_t)),
 					  (mbstate_t *) data->data);
 
-	  /* Status so far.  */
-	  result = GCONV_EMPTY_INPUT;
-
 	  /* Remember how much we converted.  */
 	  do_write += actually;
 	  *inlen -= newinbuf - inbuf;
 
 	  data->outbufavail += actually * sizeof (wchar_t);
+
+	  if (data->is_last)
+	    {
+	      /* This is the last step.  */
+	      result = (data->outbufavail + sizeof (wchar_t) > data->outbufsize
+			? GCONV_FULL_OUTPUT : GCONV_EMPTY_INPUT);
+	      break;
+	    }
+
+	  /* Status so far.  */
+	  result = GCONV_EMPTY_INPUT;
+
 	  if (data->outbufavail > 0)
 	    {
 	      /* Call the functions below in the chain.  */
@@ -221,7 +239,7 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
 			       written, 0);
 
 	      /* Correct the output buffer.  */
-	      if (newavail != data->outbufavail)
+	      if (newavail != data->outbufavail && newavail > 0)
 		{
 		  memmove (data->outbuf,
 			   &data->outbuf[data->outbufavail - newavail],
@@ -236,5 +254,5 @@ __gconv_transform_utf8_ucs4 (struct gconv_step *step,
   if (written != NULL && data->is_last)
     *written = do_write;
 
-  return GCONV_OK;
+  return result;
 }
diff --git a/iconv/iconv_open.c b/iconv/iconv_open.c
index dadf3d9dbb..82802b7451 100644
--- a/iconv/iconv_open.c
+++ b/iconv/iconv_open.c
@@ -18,19 +18,63 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <ctype.h>
 #include <errno.h>
 #include <iconv.h>
+#include <string.h>
 
 #include <gconv.h>
 
 
+static inline void
+strip (char *s)
+{
+  int slash_count = 0;
+  char *wp;
+  wp = s;
+
+  while (*s != '\0')
+    {
+      if (isalnum (*s) || *s == '_' || *s == '-' || *s == '.')
+	*wp++ = *s;
+      else if (*s == '/')
+	{
+	  if (++slash_count == 2)
+	    break;
+	  *wp++ = '/';
+	}
+      ++s;
+    }
+
+  while (slash_count++ < 2)
+    *wp++ = '/';
+
+  *wp = '\0';
+}
+
+
 iconv_t
 iconv_open (const char *tocode, const char *fromcode)
 {
+  char *tocode_conv;
+  char *fromcode_conv;
+  size_t tocode_len;
+  size_t fromcode_len;
   gconv_t cd;
   int res;
 
-  res = __gconv_open (tocode, fromcode, &cd);
+  /* Normalize the name.  We remove all characters beside alpha-numeric,
+     '_', '-', '/', and '.'.  */
+  tocode_len = strlen (tocode);
+  tocode_conv = alloca (tocode_len + 3);
+  strip (memcpy (tocode_conv, tocode, tocode_len + 1));
+
+  fromcode_len = strlen (fromcode);
+  fromcode_conv = alloca (fromcode_len + 3);
+  strip (memcpy (fromcode_conv, fromcode, fromcode_len + 1));
+
+  res = __gconv_open (tocode_conv[2] == '\0' ? tocode : tocode_conv,
+		      fromcode_conv[2] == '\0' ? fromcode, fromcode_conv, &cd);
 
   if (res != GCONV_OK)
     {