Sun Java System Web Server 7.0 Update 4 NSAPI Developer's Guide

util_vsnprintf() Function

The util_vsnprintf function formats a specified string, using a specified format, into a specified buffer using the vprintf-style syntax and performs bounds checking. This function returns the number of characters in the formatted buffer.

For more information, see the documentation on the printf function for the runtime library of your compiler.


int util_vsnprintf(char *s, int n, register char *fmt, va_list args);

Return Values

The number of characters formatted into the buffer.


char *s is the buffer to receive the formatted string.

int n is the maximum number of bytes allowed to be copied.

register char *fmt is the format string. The function handles only %d and %s strings. This function does not handle any width or precision strings.

va_list args is an STD argument variable obtained from a previous call to va_start.

See Also

util_sprintf() Function, util_vsprintf() Function