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Print::printf should allocate it's buffer

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This commit is contained in:
me-no-dev 2016-10-08 00:18:12 +03:00
parent bb9ded7ed4
commit 063b563079
1 changed files with 7 additions and 3 deletions
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10
cores/esp32/Print.cpp
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@ -46,14 +46,18 @@ size_t Print::write(const uint8_t *buffer, size_t size)
size_t Print::printf(const char *format, ...) size_t Print::printf(const char *format, ...)
{ {
char * temp;
va_list arg; va_list arg;
va_start(arg, format); va_start(arg, format);
size_t len = vsnprintf(NULL, 0, format, arg); size_t len = vsnprintf(NULL, 0, format, arg);
char temp[len+1]; temp = new char[len+1];
uint8_t * stemp = (uint8_t*)temp; if(temp == NULL) {
return 0;
}
len = vsnprintf(temp, len+1, format, arg); len = vsnprintf(temp, len+1, format, arg);
write(stemp, len); write((uint8_t*)temp, len);
va_end(arg); va_end(arg);
delete[] temp;
return len; return len;
} }
/* /*