77 lines
1.8 KiB
Text
77 lines
1.8 KiB
Text
```
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#include <stdio.h>
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```
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morph_digit_as_char_to_uint8 (Radix:ℤ)
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<Digit Radix> ~ Char ~ Ascii ~ x86.UInt8
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--> <Digit Radix> ~ x86.UInt8
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```
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if( *src >= '0' && *src <= '9' )
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*dst = *src - '0';
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else if( *src >= 'a' && *src <= 'f')
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*dst = 0xa + *src - 'a';
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else if( *src >= 'A' && *src <= 'F')
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*dst = 0xa + *src - 'A';
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else
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return -1;
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if( *dst < Radix ) {
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return 0;
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} else {
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fprintf(stderr, "digit %u is out of range for radix %u\n", *dst, Radix);
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return -1;
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}
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```
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morph_digit_as_char_to_uint64 (Radix:ℤ)
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<Digit Radix> ~ Char ~ Ascii ~ x86.UInt8
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--> <Digit Radix> ~ x86.UInt64
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```
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if( *src >= '0' && *src <= '9' )
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*dst = *src - '0';
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else if( *src >= 'a' && *src <= 'f')
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*dst = 0xa + *src - 'a';
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else if( *src >= 'A' && *src <= 'F')
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*dst = 0xa + *src - 'A';
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else
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return -1;
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if( *dst < Radix ) {
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return 0;
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} else {
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fprintf(stderr, "digit %u is out of range for radix %u\n", *dst, Radix);
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return -1;
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}
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```
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morph_digit_as_uint8_to_char (Radix:ℤ_16)
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<Digit Radix> ~ x86.UInt8
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--> <Digit Radix> ~ Char ~ Ascii ~ x86.UInt8
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```
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if ( *src < 10 )
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*dst = *src + '0';
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else if( *dst < 16 )
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*dst = *src - 0xa + 'a';
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else {
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fprintf(stderr, "digit %u is out of rage for char\n", *dst);
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return -1;
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}
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return 0;
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```
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morph_digit_as_uint64_to_char (Radix:ℤ_16)
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<Digit Radix> ~ x86.UInt64
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--> <Digit Radix> ~ Char ~ Ascii ~ x86.UInt8
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```
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if ( *src < 10 )
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*dst = *src + '0';
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else if( *dst < 16 )
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*dst = *src - 0xa + 'a';
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else {
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fprintf(stderr, "digit %u is out of rage for char\n", *dst);
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return -1;
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}
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return 0;
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```
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