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[lonetix/numlib] Make use of smallbytecopy.h for integer conversion result copy

This commit is contained in:
Lorenzo Cogotti 2021-10-18 11:58:25 +02:00
parent d7c7060cb7
commit 4eb6e55570
1 changed files with 4 additions and 8 deletions
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12
lonetix/numlib_itoa.c
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@ -11,11 +11,7 @@
#include "numlib.h" #include "numlib.h"
#include <string.h> #include "smallbytecopy.h"
// XXX(micia): benchmark memcpy()-less version, something with rep stos
// amount of data copied over is very small, so it would probably pay off
// leaving memcpy() out
char *Utoa(unsigned long long x, char *dest) char *Utoa(unsigned long long x, char *dest)
{ {
@ -31,7 +27,7 @@ char *Utoa(unsigned long long x, char *dest)
} while (x != 0); } while (x != 0);
n = (buf + sizeof(buf)) - p; n = (buf + sizeof(buf)) - p;
memcpy(dest, p, n); _smallbytecopy32(dest, p, n);
return dest + n - 1; return dest + n - 1;
} }
@ -57,7 +53,7 @@ char *Itoa(long long x, char *dest)
*--p = '-'; *--p = '-';
n = (buf + sizeof(buf)) - p; n = (buf + sizeof(buf)) - p;
memcpy(dest, p, n); _smallbytecopy32(dest, p, n);
return dest + n - 1; return dest + n - 1;
} }
@ -75,6 +71,6 @@ char *Xtoa(unsigned long long x, char *dest)
} while (x != 0); } while (x != 0);
n = (buf + sizeof(buf)) - p; n = (buf + sizeof(buf)) - p;
memcpy(dest, p, n); _smallbytecopy32(dest, p, n);
return dest + n - 1; return dest + n - 1;
} }