xref: /freebsd/lib/libc/gen/setprogname.c (revision f7bec57b784bc56e427dd475150e7f1f7a8bddd3)
1 #if defined(LIBC_RCS) && !defined(lint)
2 static const char rcsid[] =
3   "$FreeBSD$";
4 #endif /* LIBC_RCS and not lint */
5 
6 #include <stdlib.h>
7 #include <string.h>
8 
9 extern const char *__progname;
10 
11 void
12 setprogname(const char *progname)
13 {
14 	const char *p;
15 
16 	p = strrchr(progname, '/');
17 	__progname = p != NULL ? p + 1 : progname;
18 }
19