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socket.h: add SO_(SND/RCV)BUFFORCE to generic block
[oweals/musl.git]
/
src
/
stdlib
/
ecvt.c
1
#include <stdlib.h>
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#include <stdio.h>
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char *ecvt(double x, int n, int *dp, int *sign)
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{
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static char buf[16];
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char tmp[32];
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int i, j;
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if (n-1U > 15) n = 15;
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sprintf(tmp, "%.*e", n-1, x);
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i = *sign = (tmp[0]=='-');
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for (j=0; tmp[i]!='e'; j+=(tmp[i++]!='.'))
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buf[j] = tmp[i];
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buf[j] = 0;
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*dp = atoi(tmp+i+1);
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return buf;
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}