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48751ab095
* libmisc/Makefile.am, libmisc/shell/main_chmod.c, libmisc/shell/main_mdump.c, libmisc/shell/main_medit.c, libmisc/shell/main_mfill.c, libmisc/shell/main_mmove.c, libmisc/shell/main_msdosfmt.c, libmisc/shell/main_mwdump.c, libmisc/shell/main_sleep.c, libmisc/shell/main_umask.c, libmisc/shell/shell_script.c, libmisc/stringto/stringto.h, libmisc/stringto/stringto_template.h: Convert return type from bool to rtems_status_code and add rtems_string_to_pointer. Perform associated clean up and changes for return type change. * libmisc/stringto/stringtopointer.c: New file.
127 lines
2.7 KiB
C
127 lines
2.7 KiB
C
/*
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* COPYRIGHT (c) 2009.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#include <rtems/stringto.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <stdbool.h>
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/*
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* If we are doing floating point conversion, then we need math.h
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*/
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#if defined(STRING_TO_FLOAT)
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#include <math.h>
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#endif
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#include <rtems.h>
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/*
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* This file is designed to be included multiple times to instantiate
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* it and should NOT be protected against multiple inclusions.
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*/
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#if defined(STRING_TO_POINTER)
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#define STRING_TO_INTEGER
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#endif
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#if !defined(STRING_TO_FLOAT) && !defined(STRING_TO_INTEGER)
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#error "Neither STRING_TO_FLOAT nor STRING_TO_INTEGER defined"
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#endif
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#if defined(STRING_TO_FLOAT) && defined(STRING_TO_INTEGER)
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#error "Both STRING_TO_FLOAT nor STRING_TO_INTEGER defined"
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#endif
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#ifndef STRING_TO_TYPE
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#error "STRING_TO_TYPE not defined"
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#endif
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#ifndef STRING_TO_NAME
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#error "STRING_TO_NAME not defined"
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#endif
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#ifndef STRING_TO_METHOD
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#error "STRING_TO_METHOD not defined"
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#endif
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#ifndef STRING_TO_MAX
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#error "STRING_TO_MAX not defined"
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#endif
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#undef ZERO
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#ifdef STRING_TO_FLOAT
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#define ZERO 0.0
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#elif defined(STRING_TO_INTEGER)
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#define ZERO 0
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#endif
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#if !defined(STRING_TO_INPUT_TYPE)
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#define STRING_TO_INPUT_TYPE STRING_TO_TYPE
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#endif
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rtems_status_code STRING_TO_NAME (
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const char *s,
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STRING_TO_TYPE *n,
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char **endptr
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#if defined(STRING_TO_INTEGER) && !defined(STRING_TO_POINTER)
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,
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int base
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#endif
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)
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{
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STRING_TO_INPUT_TYPE result;
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char *end;
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if ( !n )
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return RTEMS_INVALID_ADDRESS;
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errno = 0;
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*n = 0;
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#ifdef STRING_TO_FLOAT
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result = STRING_TO_METHOD( s, &end );
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#elif defined(STRING_TO_POINTER)
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result = STRING_TO_METHOD( s, &end, 16 );
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#elif defined(STRING_TO_INTEGER)
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result = STRING_TO_METHOD( s, &end, base );
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#endif
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/* If the user wants the end pointer back, then return it. */
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if ( endptr )
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*endptr = end;
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/* nothing was converted */
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if ( end == s )
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return RTEMS_NOT_DEFINED;
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/* there was a conversion error */
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if ( (result == ZERO) && errno )
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return RTEMS_INVALID_NUMBER;
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#ifdef STRING_TO_MAX
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/* there was an overflow */
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if ( (result == STRING_TO_MAX) && (errno == ERANGE))
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return RTEMS_INVALID_NUMBER;
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#endif
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#ifdef STRING_TO_MIN
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/* there was an underflow */
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if ( (result == STRING_TO_MIN) && (errno == ERANGE))
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return RTEMS_INVALID_NUMBER;
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#endif
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*n = (STRING_TO_TYPE) result;
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return RTEMS_SUCCESSFUL;
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}
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