qdb_vmprintf()
Print formatted output to a new string
Synopsis:
#include <qdb/qdb.h> char *qdb_vmprintf( const char* format, va_list arg );
Arguments:
- format
- A pointer to a formatting string to process. This string determines what additional arguments you need to provide. For more information, see printf() in the QNX Neutrino C Library Reference.
- arg
- A variable-argument list of the additional arguments. You must have initialized this list with the va_start() macro.
Library:
qdbDescription:
This function is a variant of the vsprintf() from the standard C library. For information about additional formatting options supported by QDB (but not printf()), see qdb_mprintf().
Returns:
- A pointer to a formatted string
- Success.
- NULL
- An error occurred (errno is set).
Classification:
QNX Neutrino
| Safety: | |
|---|---|
| Interrupt handler | No |
| Signal handler | No |
| Thread | Yes |
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