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Diffstat (limited to 'source/readHex.c')
| -rw-r--r-- | source/readHex.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/source/readHex.c b/source/readHex.c new file mode 100644 index 0000000..5d313ba --- /dev/null +++ b/source/readHex.c @@ -0,0 +1,187 @@ + +/*============================================================================ + +This C source file is part of TestFloat, Release 3, a package of programs for +testing the correctness of floating-point arithmetic complying with the IEEE +Standard for Floating-Point, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014 The Regents of the University of California +(Regents). All Rights Reserved. Redistribution and use in source and binary +forms, with or without modification, are permitted provided that the following +conditions are met: + +Redistributions of source code must retain the above copyright notice, +this list of conditions, and the following two paragraphs of disclaimer. +Redistributions in binary form must reproduce the above copyright notice, +this list of conditions, and the following two paragraphs of disclaimer in the +documentation and/or other materials provided with the distribution. Neither +the name of the Regents nor the names of its contributors may be used to +endorse or promote products derived from this software without specific prior +written permission. + +IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, +SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING +OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS +BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED +TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED +HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO PROVIDE +MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + +=============================================================================*/ + +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include "platform.h" +#include "readHex.h" + +bool readHex_bool( bool *aPtr, char sepChar ) +{ + int i; + bool a; + + i = fgetc( stdin ); + if ( (i == EOF) || (i < '0') || ('1' < i) ) return false; + a = i - '0'; + if ( sepChar ) { + i = fgetc( stdin ); + if ( (sepChar != '\n') || (i != '\r') ) { + if ( i != sepChar ) return false; + } + } + *aPtr = a; + return true; + +} + +bool readHex_ui8( uint_least8_t *aPtr, char sepChar ) +{ + int i; + uint_fast8_t a; + + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a = i<<4; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= i; + if ( sepChar ) { + i = fgetc( stdin ); + if ( (sepChar != '\n') || (i != '\r') ) { + if ( i != sepChar ) return false; + } + } + *aPtr = a; + return true; + +} + +bool readHex_ui16( uint16_t *aPtr, char sepChar ) +{ + int i; + uint_fast16_t a; + + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a = (uint_fast16_t) i<<12; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= (uint_fast16_t) i<<8; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= (uint_fast16_t) i<<4; + i = fgetc( stdin ); + if ( i == EOF ) return false; + if ( ('0' <= i) && (i <= '9') ) { + i -= '0'; + } else if ( ('A' <= i) && (i <= 'F') ) { + i -= 'A' - 10; + } else if ( ('a' <= i) && (i <= 'f') ) { + i -= 'a' - 10; + } else { + return false; + } + a |= i; + if ( sepChar ) { + i = fgetc( stdin ); + if ( (sepChar != '\n') || (i != '\r') ) { + if ( i != sepChar ) return false; + } + } + *aPtr = a; + return true; + +} + +bool readHex_ui32( uint32_t *aPtr, char sepChar ) +{ + uint16_t v16, v0; + + if ( ! readHex_ui16( &v16, 0 ) || ! readHex_ui16( &v0, sepChar ) ) { + return false; + } + *aPtr = (uint_fast32_t) v16<<16 | v0; + return true; + +} + +bool readHex_ui64( uint64_t *aPtr, char sepChar ) +{ + uint32_t v32, v0; + + if ( ! readHex_ui32( &v32, 0 ) || ! readHex_ui32( &v0, sepChar ) ) { + return false; + } + *aPtr = (uint_fast64_t) v32<<32 | v0; + return true; + +} + |