tuklib_progname.c File Reference

Program name to be displayed in messages. More...

#include "tuklib_progname.h"
#include <string.h>

Go to the source code of this file.

Functions
void	tuklib_progname_init (char **argv)

Variables
char *	progname = NULL

Detailed Description

Program name to be displayed in messages.

Definition in file tuklib_progname.c.

Function Documentation

tuklib_progname_init()

void tuklib_progname_init

(

char **

argv

)

Definition at line 23 of file tuklib_progname.c.

{
#ifdef TUKLIB_DOSLIKE
    // On these systems, argv[0] always has the full path and .exe
    // suffix even if the user just types the plain program name.
    // We modify argv[0] to make it nicer to read.
 
    // Strip the leading path.
    char *p = argv[0] + strlen(argv[0]);
    while (argv[0] < p && p[-1] != '/' && p[-1] != '\\')
        --p;
 
    argv[0] = p;
 
    // Strip the .exe suffix.
    p = strrchr(p, '.');
    if (p != NULL)
        *p = '\0';
 
    // Make it lowercase.
    for (p = argv[0]; *p != '\0'; ++p)
        if (*p >= 'A' && *p <= 'Z')
            *p = *p - 'A' + 'a';
#endif
 
    progname = argv[0];
    return;
}

References argv, NULL, p, and progname.

Variable Documentation

progname

char* progname = NULL

Definition at line 18 of file tuklib_progname.c.

Referenced by tuklib_progname_init().