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sys/fmt: Fix unintentional pointer advancement for negative numbers in fmt_float

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This commit is contained in:
Joakim Nohlgård 2017-06-21 18:21:55 +02:00
parent 74d0c3b67a
commit 084db19107
1 changed files with 2 additions and 2 deletions
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4
sys/fmt/fmt.c
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@ -274,12 +274,11 @@ size_t fmt_float(char *out, float f, unsigned precision)
uint32_t fraction = f * _tenmap[precision];
size_t res = negative;
if (negative && out) {
*out++ = '-';
}
res += fmt_u32_dec(out, integer);
size_t res = fmt_u32_dec(out, integer);
if (precision && fraction) {
if (out) {
out += res;
@ -289,6 +288,7 @@ size_t fmt_float(char *out, float f, unsigned precision)
}
res += (1 + precision);
}
res += negative;
return res;
}