LCOV - code coverage report
Current view: top level - gl - printf-args.c (source / functions) Hit Total Coverage
Test: GNU SASL Lines: 6 54 11.1 %
Date: 2012-05-28 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 4 71 5.6 %

           Branch data     Line data    Source code
       1                 :            : /* Decomposed printf argument list.
       2                 :            :    Copyright (C) 1999, 2002-2003, 2005-2007, 2009-2012 Free Software
       3                 :            :    Foundation, Inc.
       4                 :            : 
       5                 :            :    This program is free software; you can redistribute it and/or modify
       6                 :            :    it under the terms of the GNU General Public License as published by
       7                 :            :    the Free Software Foundation; either version 3, or (at your option)
       8                 :            :    any later version.
       9                 :            : 
      10                 :            :    This program is distributed in the hope that it will be useful,
      11                 :            :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      12                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13                 :            :    GNU General Public License for more details.
      14                 :            : 
      15                 :            :    You should have received a copy of the GNU General Public License along
      16                 :            :    with this program; if not, see <http://www.gnu.org/licenses/>.  */
      17                 :            : 
      18                 :            : /* This file can be parametrized with the following macros:
      19                 :            :      ENABLE_UNISTDIO    Set to 1 to enable the unistdio extensions.
      20                 :            :      PRINTF_FETCHARGS   Name of the function to be defined.
      21                 :            :      STATIC             Set to 'static' to declare the function static.  */
      22                 :            : 
      23                 :            : #ifndef PRINTF_FETCHARGS
      24                 :            : # include <config.h>
      25                 :            : #endif
      26                 :            : 
      27                 :            : /* Specification.  */
      28                 :            : #ifndef PRINTF_FETCHARGS
      29                 :            : # include "printf-args.h"
      30                 :            : #endif
      31                 :            : 
      32                 :            : #ifdef STATIC
      33                 :            : STATIC
      34                 :            : #endif
      35                 :            : int
      36                 :         36 : PRINTF_FETCHARGS (va_list args, arguments *a)
      37                 :            : {
      38                 :            :   size_t i;
      39                 :            :   argument *ap;
      40                 :            : 
      41         [ +  + ]:         72 :   for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
      42   [ -  -  -  -  :         36 :     switch (ap->type)
          +  -  -  -  -  
          -  -  -  -  -  
          -  -  -  -  -  
             -  -  -  - ]
      43                 :            :       {
      44                 :            :       case TYPE_SCHAR:
      45         [ #  # ]:          0 :         ap->a.a_schar = va_arg (args, /*signed char*/ int);
      46                 :          0 :         break;
      47                 :            :       case TYPE_UCHAR:
      48         [ #  # ]:          0 :         ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
      49                 :          0 :         break;
      50                 :            :       case TYPE_SHORT:
      51         [ #  # ]:          0 :         ap->a.a_short = va_arg (args, /*short*/ int);
      52                 :          0 :         break;
      53                 :            :       case TYPE_USHORT:
      54         [ #  # ]:          0 :         ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
      55                 :          0 :         break;
      56                 :            :       case TYPE_INT:
      57         [ +  - ]:         36 :         ap->a.a_int = va_arg (args, int);
      58                 :         36 :         break;
      59                 :            :       case TYPE_UINT:
      60         [ #  # ]:          0 :         ap->a.a_uint = va_arg (args, unsigned int);
      61                 :          0 :         break;
      62                 :            :       case TYPE_LONGINT:
      63         [ #  # ]:          0 :         ap->a.a_longint = va_arg (args, long int);
      64                 :          0 :         break;
      65                 :            :       case TYPE_ULONGINT:
      66         [ #  # ]:          0 :         ap->a.a_ulongint = va_arg (args, unsigned long int);
      67                 :          0 :         break;
      68                 :            : #if HAVE_LONG_LONG_INT
      69                 :            :       case TYPE_LONGLONGINT:
      70         [ #  # ]:          0 :         ap->a.a_longlongint = va_arg (args, long long int);
      71                 :          0 :         break;
      72                 :            :       case TYPE_ULONGLONGINT:
      73         [ #  # ]:          0 :         ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
      74                 :          0 :         break;
      75                 :            : #endif
      76                 :            :       case TYPE_DOUBLE:
      77         [ #  # ]:          0 :         ap->a.a_double = va_arg (args, double);
      78                 :          0 :         break;
      79                 :            :       case TYPE_LONGDOUBLE:
      80                 :          0 :         ap->a.a_longdouble = va_arg (args, long double);
      81                 :          0 :         break;
      82                 :            :       case TYPE_CHAR:
      83         [ #  # ]:          0 :         ap->a.a_char = va_arg (args, int);
      84                 :          0 :         break;
      85                 :            : #if HAVE_WINT_T
      86                 :            :       case TYPE_WIDE_CHAR:
      87                 :            :         /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
      88                 :            :            default argument promotions", this is not the case in mingw32,
      89                 :            :            where wint_t is 'unsigned short'.  */
      90                 :          0 :         ap->a.a_wide_char =
      91                 :            :           (sizeof (wint_t) < sizeof (int)
      92                 :            :            ? (wint_t) va_arg (args, int)
      93         [ #  # ]:          0 :            : va_arg (args, wint_t));
      94                 :          0 :         break;
      95                 :            : #endif
      96                 :            :       case TYPE_STRING:
      97         [ #  # ]:          0 :         ap->a.a_string = va_arg (args, const char *);
      98                 :            :         /* A null pointer is an invalid argument for "%s", but in practice
      99                 :            :            it occurs quite frequently in printf statements that produce
     100                 :            :            debug output.  Use a fallback in this case.  */
     101         [ #  # ]:          0 :         if (ap->a.a_string == NULL)
     102                 :          0 :           ap->a.a_string = "(NULL)";
     103                 :          0 :         break;
     104                 :            : #if HAVE_WCHAR_T
     105                 :            :       case TYPE_WIDE_STRING:
     106         [ #  # ]:          0 :         ap->a.a_wide_string = va_arg (args, const wchar_t *);
     107                 :            :         /* A null pointer is an invalid argument for "%ls", but in practice
     108                 :            :            it occurs quite frequently in printf statements that produce
     109                 :            :            debug output.  Use a fallback in this case.  */
     110         [ #  # ]:          0 :         if (ap->a.a_wide_string == NULL)
     111                 :            :           {
     112                 :            :             static const wchar_t wide_null_string[] =
     113                 :            :               {
     114                 :            :                 (wchar_t)'(',
     115                 :            :                 (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
     116                 :            :                 (wchar_t)')',
     117                 :            :                 (wchar_t)0
     118                 :            :               };
     119                 :          0 :             ap->a.a_wide_string = wide_null_string;
     120                 :            :           }
     121                 :          0 :         break;
     122                 :            : #endif
     123                 :            :       case TYPE_POINTER:
     124         [ #  # ]:          0 :         ap->a.a_pointer = va_arg (args, void *);
     125                 :          0 :         break;
     126                 :            :       case TYPE_COUNT_SCHAR_POINTER:
     127         [ #  # ]:          0 :         ap->a.a_count_schar_pointer = va_arg (args, signed char *);
     128                 :          0 :         break;
     129                 :            :       case TYPE_COUNT_SHORT_POINTER:
     130         [ #  # ]:          0 :         ap->a.a_count_short_pointer = va_arg (args, short *);
     131                 :          0 :         break;
     132                 :            :       case TYPE_COUNT_INT_POINTER:
     133         [ #  # ]:          0 :         ap->a.a_count_int_pointer = va_arg (args, int *);
     134                 :          0 :         break;
     135                 :            :       case TYPE_COUNT_LONGINT_POINTER:
     136         [ #  # ]:          0 :         ap->a.a_count_longint_pointer = va_arg (args, long int *);
     137                 :          0 :         break;
     138                 :            : #if HAVE_LONG_LONG_INT
     139                 :            :       case TYPE_COUNT_LONGLONGINT_POINTER:
     140         [ #  # ]:          0 :         ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
     141                 :          0 :         break;
     142                 :            : #endif
     143                 :            : #if ENABLE_UNISTDIO
     144                 :            :       /* The unistdio extensions.  */
     145                 :            :       case TYPE_U8_STRING:
     146                 :            :         ap->a.a_u8_string = va_arg (args, const uint8_t *);
     147                 :            :         /* A null pointer is an invalid argument for "%U", but in practice
     148                 :            :            it occurs quite frequently in printf statements that produce
     149                 :            :            debug output.  Use a fallback in this case.  */
     150                 :            :         if (ap->a.a_u8_string == NULL)
     151                 :            :           {
     152                 :            :             static const uint8_t u8_null_string[] =
     153                 :            :               { '(', 'N', 'U', 'L', 'L', ')', 0 };
     154                 :            :             ap->a.a_u8_string = u8_null_string;
     155                 :            :           }
     156                 :            :         break;
     157                 :            :       case TYPE_U16_STRING:
     158                 :            :         ap->a.a_u16_string = va_arg (args, const uint16_t *);
     159                 :            :         /* A null pointer is an invalid argument for "%lU", but in practice
     160                 :            :            it occurs quite frequently in printf statements that produce
     161                 :            :            debug output.  Use a fallback in this case.  */
     162                 :            :         if (ap->a.a_u16_string == NULL)
     163                 :            :           {
     164                 :            :             static const uint16_t u16_null_string[] =
     165                 :            :               { '(', 'N', 'U', 'L', 'L', ')', 0 };
     166                 :            :             ap->a.a_u16_string = u16_null_string;
     167                 :            :           }
     168                 :            :         break;
     169                 :            :       case TYPE_U32_STRING:
     170                 :            :         ap->a.a_u32_string = va_arg (args, const uint32_t *);
     171                 :            :         /* A null pointer is an invalid argument for "%llU", but in practice
     172                 :            :            it occurs quite frequently in printf statements that produce
     173                 :            :            debug output.  Use a fallback in this case.  */
     174                 :            :         if (ap->a.a_u32_string == NULL)
     175                 :            :           {
     176                 :            :             static const uint32_t u32_null_string[] =
     177                 :            :               { '(', 'N', 'U', 'L', 'L', ')', 0 };
     178                 :            :             ap->a.a_u32_string = u32_null_string;
     179                 :            :           }
     180                 :            :         break;
     181                 :            : #endif
     182                 :            :       default:
     183                 :            :         /* Unknown type.  */
     184                 :          0 :         return -1;
     185                 :            :       }
     186                 :         36 :   return 0;
     187                 :            : }

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