32 lines
604 B
C
32 lines
604 B
C
#include <string.h>
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static INLINE int check_base(char n, int base)
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{
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char max;
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max = (base <= 10) ? '0' + base - 1 : ('a' + base - 11);
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return ((max < n));
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}
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//
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// atoi_base()
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// Wrapped atoi function that takes the base which the number
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// (stored in the string) are encoded
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//
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uint32_t atoi_base(char const *str, int base)
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{
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uint32_t result;
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size_t start;
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start = -1;
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result = 0;
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while (str[++start] != '\0' && check_base(str[start], base) == 0){
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result *= base;
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if (str[start] <= '9')
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result += str[start] - '0';
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else
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result += (str[start] - 'a') + 10;
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}
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return (result);
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}
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