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16 lines
365 B
C
16 lines
365 B
C
#include "fmt.h"
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static inline char tohex(char c) {
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return c>10?c-10+'a':c+'0';
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}
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unsigned int fmt_xlong(char *dest,unsigned long i) {
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register unsigned long len,tmp;
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/* first count the number of bytes needed */
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for (len=1, tmp=i; tmp>15; ++len) tmp>>=4;
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if (dest)
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for (tmp=i, dest+=len; tmp; tmp>>=4)
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*--dest = tohex(tmp&15);
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return len;
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}
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