oct2bin.h

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#ifndef __LIBK__OCT2BIN_H__
#define __LIBK__OCT2BIN_H__
 
#include <type.h>
 
__attribute__((noinline)) static uint64_t
oct2bin(unsigned char* str, size_t len) {
    uint64_t value = 0;
 
    for (size_t i = 0; i < len; i++) {
        unsigned char c = (unsigned char) str[i];
 
        if (c == '\0' || c == ' ')
            break;
 
        if (c < '0' || c > '7')
            break;
 
        value = (value << 3) | (uint64_t) (c - '0');
    }
 
    return value;
}
 
#endif // __LIBK__OCT2BIN_H__