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49d1a4c562
also start prefering NtDll API. so far: * NtQueryInformationFile * NtClose adds a performance workaround for windows unicode conversion. but that should probably be removed before merging
26 lines
454 B
C
Vendored
26 lines
454 B
C
Vendored
#define _GNU_SOURCE
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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char *fcvt(double x, int n, int *dp, int *sign)
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{
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char tmp[1500];
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int i, lz;
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if (n > 1400U) n = 1400;
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sprintf(tmp, "%.*f", n, x);
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i = (tmp[0] == '-');
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if (tmp[i] == '0') lz = strspn(tmp+i+2, "0");
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else lz = -(int)strcspn(tmp+i, ".");
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if (n<=lz) {
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*sign = i;
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*dp = 1;
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if (n>14U) n = 14;
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return "000000000000000"+14-n;
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}
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return ecvt(x, n-lz, dp, sign);
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}
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