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print: fix padding and fractional accumulation

This commit is contained in:
King Kévin 2018-03-23 09:09:26 +01:00
parent 17a2cc4465
commit 25b0466aee
1 changed files with 2 additions and 0 deletions
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2
lib/print.c
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@ -341,6 +341,7 @@ static size_t vsnprintf(char** str, size_t* size, const char *format, va_list va
}
// check padding
if ('0'==*format) { // padding required
padding = 0; // reset padding
format++; // go to padding number
while (*format>='0' && *format<='9') {
if (padding>UINT32_MAX/10) { // check for overflow
@ -362,6 +363,7 @@ static size_t vsnprintf(char** str, size_t* size, const char *format, va_list va
}
// check fractional
if ('.'==*format) { // fractional required
fractional = 0; // reset fractional
format++; // go to fractional number
while (*format>='0' && *format<='9') {
if (fractional>UINT32_MAX/10) { // check for overflow