vwprintf_s.c File Reference
#include "safe_str_lib.h"
Include dependency graph for vwprintf_s.c:
Functions | |
| EXPORT int | vwprintf_s (const wchar_t *restrict fmt, va_list ap) |
| The vwprintf_s function prints formatted output to stdout as wide string. More... | |
Function Documentation
◆ vwprintf_s()
| EXPORT int vwprintf_s | ( | const wchar_t *restrict | fmt, |
| va_list | ap | ||
| ) |
The vwprintf_s function prints formatted output to stdout as wide string.
- Remarks
- SPECIFIED IN
- C11 standard (ISO/IEC 9899:2011): K.3.9.1.11 The vwprintf_s function (p: 636) http://en.cppreference.com/w/c/io/vfwprintf
- Parameters
-
[in] fmt format-control wide string. [in] ap optional arguments
- Precondition
fmtshall not be a null pointer.-
fmtshall not contain the conversion specifiern -
None of the arguments corresponding to
sis a null pointer (not yet) - No encoding error shall occur.
- Returns
- On success the total number of wide characters written is returned.
- On failure a negative number is returned, and possibly errno set to EINVAL or EOVERFLOW.
- Return values
-
-ESNULLP when fmt is NULL pointer -EINVAL when fmt contains n -1 some other error. errno: EINVAL or EOVERFLOW
- See also
- vwfprintf_s(), wprintf_s()