Datasheet

The C and C++ Libraries
4-84 Copyright © 1999-2001 ARM Limited. All rights reserved. ARM DUI 0067D
4.10.11 _sys_tmpnam()
This function converts the file number
fileno for a temporary file to a unique filename,
for example
tmp0001 .
Syntax
void _sys_tmpnam(char *name, int fileno, unsigned maxlength)
Implementation
The function must be defined if
tmpnam() or tmpfile() isused.
Returns
Returns the filename in
name .
4.10.12 _sys_command_string()
This function retrieves the command line used to invoke the current application from
the environment that called the application.
Syntax
char *_sys_command_string(char *cmd, int len)
where:
cmd Is a pointer to a buffer that can be used to storethe command line. It is not
required that the command line is stored in
cmd .
len Is the length of the buffer.
Implementation
This function is called by the library startup code to set up
argv and argc to pass to
main() .
Returns
The function must return either:
• A pointer to the command line, if successful. This can be either a pointer to the
cmd buffer if it is used, or a pointer to wherever else the command line is stored.
•
NULL , if not successful.