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-rw-r--r--stdio-common/printf-parse.h10
-rw-r--r--stdio-common/printf.h3
-rw-r--r--stdio-common/test-popen.c11
-rw-r--r--stdio-common/tiformat.c5
-rw-r--r--stdio-common/vfprintf.c66
5 files changed, 61 insertions, 34 deletions
diff --git a/stdio-common/printf-parse.h b/stdio-common/printf-parse.h
index 30f381320e..036b3b4dfe 100644
--- a/stdio-common/printf-parse.h
+++ b/stdio-common/printf-parse.h
@@ -1,5 +1,5 @@
 /* Internal header for parsing printf format strings.
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of th GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -268,6 +268,7 @@ parse_one_spec (const UCHAR_T *format, size_t posn, struct printf_spec *spec,
   spec->info.is_long_double = 0;
   spec->info.is_short = 0;
   spec->info.is_long = 0;
+  spec->info.is_char = 0;
 
   if (*format == L_('h') || *format == L_('l') || *format == L_('L') ||
       *format == L_('Z') || *format == L_('q'))
@@ -278,7 +279,10 @@ parse_one_spec (const UCHAR_T *format, size_t posn, struct printf_spec *spec,
 	if (spec->info.is_short == 0)
 	  spec->info.is_short = 1;
 	else
-	  spec->info.is_short = 2;
+	  {
+	    spec->info.is_short = 0;
+	    spec->info.is_char = 1;
+	  }
 	break;
       case L_('l'):
 	/* int's are long int's.  */
@@ -329,6 +333,8 @@ parse_one_spec (const UCHAR_T *format, size_t posn, struct printf_spec *spec,
 	    spec->data_arg_type = PA_INT|PA_FLAG_LONG;
 	  else if (spec->info.is_short)
 	    spec->data_arg_type = PA_INT|PA_FLAG_SHORT;
+	  else if (spec->info.is_char)
+	    spec->data_arg_type = PA_CHAR;
 	  else
 	    spec->data_arg_type = PA_INT;
 	  break;
diff --git a/stdio-common/printf.h b/stdio-common/printf.h
index c49172b88c..8b3b4eb967 100644
--- a/stdio-common/printf.h
+++ b/stdio-common/printf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 95, 96, 97 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 95, 96, 97, 98 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
@@ -44,6 +44,7 @@ struct printf_info
   unsigned int showsign:1;	/* + flag.  */
   unsigned int group:1;		/* ' flag.  */
   unsigned int extra:1;		/* For special use.  */
+  unsigned int is_char:1;	/* hh flag.  */
   wchar_t pad;			/* Padding character.  */
 };
 
diff --git a/stdio-common/test-popen.c b/stdio-common/test-popen.c
index b13a1c2542..aced45d5c9 100644
--- a/stdio-common/test-popen.c
+++ b/stdio-common/test-popen.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998 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
@@ -16,7 +16,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -26,9 +26,10 @@ write_data (FILE *stream)
   int i;
   for (i=0; i<100; i++)
     fprintf (stream, "%d\n", i);
-  if (ferror (stream))  {
-    fprintf (stderr, "Output to stream failed.\n");
-    exit (1);
+  if (ferror (stream))
+    {
+      fprintf (stderr, "Output to stream failed.\n");
+      exit (1);
     }
 }
 
diff --git a/stdio-common/tiformat.c b/stdio-common/tiformat.c
index 541ea43a0c..bce47665a7 100644
--- a/stdio-common/tiformat.c
+++ b/stdio-common/tiformat.c
@@ -9,7 +9,7 @@ typedef struct {
   const char *format_string;
 } sprint_int_type;
 
-sprint_int_type sprint_ints[] = 
+sprint_int_type sprint_ints[] =
 {
   {__LINE__, 0x000838d2,	"838d2", "%.4x"},
   {__LINE__, 0x0063be46,	"63BE46", "%-6X"},
@@ -5022,6 +5022,9 @@ sprint_int_type sprint_ints[] =
   {__LINE__, 0000123456,	"00123456", "%#.8o"},
   {__LINE__, 0000123456,	"  00123456", "%#10.8o"},
   {__LINE__, 0x00000123,	"0x00123", "%#07x"},
+  {__LINE__, 0x00000000,	"", "%#.0d"},
+  {__LINE__, 0x00000000,	"", "%#.0x"},
+  {__LINE__, 0x00000000,	"0", "%#.0o"},
 
   {0},
 };
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index 4abee7ed91..e6c2df25d6 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,94,95,96,97,98 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
@@ -492,10 +492,12 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	  long int signed_number;					      \
 									      \
 	  if (fspec == NULL)						      \
-	    if (is_long)						      \
-	      signed_number = va_arg (ap, long int);			      \
-	    else  /* `char' and `short int' will be promoted to `int'.  */    \
-	      signed_number = va_arg (ap, int);				      \
+	    {								      \
+	      if (is_long)						      \
+		signed_number = va_arg (ap, long int);			      \
+	      else  /* `char' and `short int' will be promoted to `int'.  */  \
+		signed_number = va_arg (ap, int);			      \
+	    }								      \
 	  else								      \
 	    if (is_long)						      \
 	      signed_number = args_value[fspec->data_arg].pa_long_int;	      \
@@ -550,9 +552,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	    pad = ' ';							      \
 									      \
 	  /* If the precision is 0 and the number is 0 nothing has to	      \
-	     be written for the number.  */				      \
+	     be written for the number, except for the 'o' format in	      \
+	     alternate form.  */					      \
 	  if (prec == 0 && number.longlong == 0)			      \
-	    string = workend;						      \
+	    {								      \
+	      string = workend;						      \
+	      if (base == 8 && alt)					      \
+		*string-- = '0';					      \
+	    }								      \
 	  else								      \
 	    {								      \
 	      /* Put the number in WORK.  */				      \
@@ -569,12 +576,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
       else								      \
 	{								      \
 	  if (fspec == NULL)						      \
-	    if (is_long)						      \
-	      number.word = va_arg (ap, unsigned long int);		      \
-	    else if (!is_short)						      \
-	      number.word = va_arg (ap, unsigned int);			      \
-	    else							      \
-	      number.word = (unsigned short int) va_arg (ap, unsigned int);   \
+	    {								      \
+	      if (is_long)						      \
+		number.word = va_arg (ap, unsigned long int);		      \
+	      else if (!is_short)					      \
+		number.word = va_arg (ap, unsigned int);		      \
+	      else							      \
+		number.word = (unsigned short int) va_arg (ap, unsigned int); \
+	    }								      \
 	  else								      \
 	    if (is_long)						      \
 	      number.word = args_value[fspec->data_arg].pa_u_long_int;	      \
@@ -597,9 +606,14 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
 	    pad = ' ';							      \
 									      \
 	  /* If the precision is 0 and the number is 0 nothing has to	      \
-	     be written for the number.  */				      \
+	     be written for the number, except for the 'o' format in	      \
+	     alternate form.  */					      \
 	  if (prec == 0 && number.word == 0)				      \
-	    string = workend;						      \
+	    {								      \
+	      string = workend;						      \
+	      if (base == 8 && alt)					      \
+		*string-- = '0';					      \
+	    }								      \
 	  else								      \
 	    {								      \
 	      /* Put the number in WORK.  */				      \
@@ -926,14 +940,16 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
     LABEL (form_number):						      \
       /* Answer the count of characters written.  */			      \
       if (fspec == NULL)						      \
-	if (is_longlong)						      \
-	  *(long long int *) va_arg (ap, void *) = done;		      \
-	else if (is_long)						      \
-	  *(long int *) va_arg (ap, void *) = done;			      \
-	else if (!is_short)						      \
-	  *(int *) va_arg (ap, void *) = done;				      \
-	else								      \
-	  *(short int *) va_arg (ap, void *) = done;			      \
+	{								      \
+	  if (is_longlong)						      \
+	    *(long long int *) va_arg (ap, void *) = done;		      \
+	  else if (is_long)						      \
+	    *(long int *) va_arg (ap, void *) = done;			      \
+	  else if (!is_short)						      \
+	    *(int *) va_arg (ap, void *) = done;			      \
+	  else								      \
+	    *(short int *) va_arg (ap, void *) = done;			      \
+	}								      \
       else								      \
 	if (is_longlong)						      \
 	  *(long long int *) args_value[fspec->data_arg].pa_pointer = done;   \
@@ -1360,8 +1376,8 @@ do_positional:
 	int showsign = specs[nspecs_done].info.showsign;
 	int group = specs[nspecs_done].info.group;
 	int is_long_double = specs[nspecs_done].info.is_long_double;
-	int is_short = specs[nspecs_done].info.is_short == 1;
-	int is_char = specs[nspecs_done].info.is_short == 2;
+	int is_short = specs[nspecs_done].info.is_short;
+	int is_char = specs[nspecs_done].info.is_char;
 	int is_long = specs[nspecs_done].info.is_long;
 	int width = specs[nspecs_done].info.width;
 	int prec = specs[nspecs_done].info.prec;