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#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <wchar.h>
size_t __fread_chk(void *ptr, size_t size, size_t nmemb, FILE *stream)
{
assert(ptr != NULL);
assert(stream != NULL);
return fread(ptr, size, nmemb, stream);
}
int __printf_chk(int flag, const char *format, ...)
{
va_list argp;
int result;
if (flag > 0) {
assert(format != NULL);
}
va_start(argp, format);
result = vprintf(format, argp);
va_end(argp);
return result;
}
int __fprintf_chk(FILE *stream, int flag, const char *format, ...)
{
va_list argp;
int result;
if (flag > 0) {
assert(stream != NULL);
assert(format != NULL);
}
va_start(argp, format);
result = vfprintf(stream, format, argp);
va_end(argp);
return result;
}
int __sprintf_chk(char *str, int flag, size_t strlen, const char *format, ...)
{
va_list argp;
int result;
assert(strlen > 0);
va_start(argp, format);
result = vsnprintf(str, strlen, format, argp);
va_end(argp);
return result;
}
int __snprintf_chk(char *str, size_t size, int flag, size_t strlen,
const char *format, ...)
{
va_list argp;
int result;
if (flag > 0) {
assert(format != NULL);
}
// must always be done per LFS
assert(size <= strlen);
va_start(argp, format);
result = vsnprintf(str, size, format, argp);
va_end(argp);
return result;
}
int __swprintf_chk(wchar_t *wcs, size_t maxlen, int flag, size_t wcslen,
const wchar_t *format, ...)
{
va_list argp;
int result;
if (flag > 0) {
assert(format != NULL);
}
// must always be done per LFS
assert(maxlen <= wcslen);
va_start(argp, format);
result = vswprintf(wcs, maxlen, format, argp);
va_end(argp);
return result;
}
int __vasprintf_chk(char **strp, int flag, const char *fmt, va_list ap)
{
if (flag > 0) {
assert(strp != NULL);
assert(fmt != NULL);
}
return vasprintf(strp, fmt, ap);
}
int __vfprintf_chk(FILE *stream, int flag, const char *format, va_list ap)
{
if (flag > 0) {
assert(stream != NULL);
assert(format != NULL);
}
return vfprintf(stream, format, ap);
}
int __vsnprintf_chk(char *str, size_t size, int flag, size_t strlen,
const char *format, va_list ap)
{
if (flag > 0) {
assert(format != NULL);
}
// must always be done per LFS
assert(size <= strlen);
return vsnprintf(str, size, format, ap);
}
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