46 lines
762 B
C
46 lines
762 B
C
#include <std/util.h>
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static usize rand_next = 1;
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int rand(void) {
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rand_next = rand_next * 1103515245 + 12345;
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return (usize)(rand_next/65536) % 32768;
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}
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void srand(usize seed) {
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rand_next = seed;
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}
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char* itoa(int res) {
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int size = 0;
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int t = res;
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while(t / 10 != 0) {
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t = t/10;
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size++;
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}
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static char ret[64];
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size++;
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ret[size] = '\0';
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t = res;
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int i = size - 1;
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while(i >= 0) {
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ret[i] = (t % 10) + '0';
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t = t/10;
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i--;
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}
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return ret;
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}
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unsigned int atoi(const char *in) {
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unsigned int size = 0;
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unsigned int j;
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unsigned int count = 1;
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for (j = 11; j > 0; j--, count *= 8)
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size += ((in[j - 1] - '0') * count);
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return size;
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}
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