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Diffstat (limited to 'resolv/res_debug.c')
-rw-r--r--resolv/res_debug.c49
1 files changed, 28 insertions, 21 deletions
diff --git a/resolv/res_debug.c b/resolv/res_debug.c
index fa2ca80c34..3afe8c23a8 100644
--- a/resolv/res_debug.c
+++ b/resolv/res_debug.c
@@ -1146,40 +1146,47 @@ static u_int8_t
precsize_aton(strptr)
char **strptr;
{
- unsigned int mval = 0, cmval = 0;
u_int8_t retval = 0;
- register char *cp;
- register int exponent;
- register int mantissa;
+ char *cp;
+ int exponent = 0;
+ int mantissa = 0;
cp = *strptr;
+ while (isdigit(*cp)) {
+ if (mantissa == 0)
+ mantissa = *cp - '0';
+ else
+ exponent++;
+ cp++;
+ }
- while (isdigit(*cp))
- mval = mval * 10 + (*cp++ - '0');
-
- if (*cp == '.') { /* centimeters */
+ if (*cp == '.') {
cp++;
if (isdigit(*cp)) {
- cmval = (*cp++ - '0') * 10;
+ if (mantissa == 0)
+ mantissa = *cp - '0';
+ else
+ exponent++;
+ cp++;
+
if (isdigit(*cp)) {
- cmval += (*cp++ - '0');
+ if (mantissa == 0)
+ mantissa = *cp - '0';
+ else
+ exponent++;
+ cp++;
}
+ else
+ exponent++;
}
}
- cmval = (mval * 100) + cmval;
-
- for (exponent = 0; exponent < 9; exponent++)
- if (cmval < poweroften[exponent+1])
- break;
-
- mantissa = cmval / poweroften[exponent];
- if (mantissa > 9)
- mantissa = 9;
+ else
+ exponent += 2;
+ if (mantissa == 0)
+ exponent = 0;
retval = (mantissa << 4) | exponent;
-
*strptr = cp;
-
return (retval);
}