fg_progname.c File Reference

Program name management. More...

#include "config.h"
#include <string.h>
#include "fg_progname.h"
#include "fg_error.h"

Go to the source code of this file.

Functions
void	set_progname (const char *argv0)
	Set global variable 'progname', based on argv[0]. More...

Variables
const char *	progname = NULL
	String containing name the program is called with. More...

Detailed Description

Program name management.

Definition in file fg_progname.c.

Function Documentation

set_progname()

void set_progname

(

const char *

argv0

)

Set global variable 'progname', based on argv[0].

Parameters

[in]

argv0

the name by which the program was called (argv[0])

Definition at line 37 of file fg_progname.c.

{
        /* Sanity check. POSIX requires the invoking process to pass a non-NULL
         * argv[0] */
        if (argv0 == NULL)
                errx("a NULL argv[0] was passed through an exec system call");
 
        /* Strip path */
        const char *slash = strrchr(argv0, '/');
        const char *base = (slash != NULL ? slash + 1 : argv0);
        progname = base;
}

Variable Documentation

progname

const char* progname = NULL

String containing name the program is called with.

Definition at line 35 of file fg_progname.c.