xref: /freebsd-src/lib/libc/gen/setprogname.c (revision c45f3b47c8315dba98fb8333ff15b5178a80b7de)
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 ? p + 1 : progname;
18 }
19