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pl: pl_float() support negative numbers

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This commit is contained in:
Richard Aas 2015-06-26 08:01:21 +00:00
parent 4985c30a97
commit 144eb24b55
1 changed files with 8 additions and 2 deletions
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10
src/fmt/pl.c
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@ -187,7 +187,9 @@ uint64_t pl_x64(const struct pl *pl)
/**
* Convert a pointer-length object to floating point representation
* Convert a pointer-length object to floating point representation.
* Both positive and negative numbers are supported, a string with a
* minus sign ('-') is treated as a negative number.
*
* @param pl Pointer-length object
*
@ -197,6 +199,7 @@ double pl_float(const struct pl *pl)
{
double v=0, mul=1;
const char *p;
bool neg = false;
if (!pl || !pl->p)
return 0;
@ -215,12 +218,15 @@ double pl_float(const struct pl *pl)
v /= mul;
mul = 1;
}
else if (ch == '-' && p == pl->p) {
neg = true;
}
else {
return 0;
}
}
return v;
return neg ? -v : v;
}