#include <sys/types.h>
#include <pwd.h>
-extern void escape_display_name (char *);
+extern void escape_display_name (char *, size_t);
int
main(int argc, char *argv[])
{
struct passwd *pwd;
char buf[BUFSIZ], *p;
- char *name = buf;
+ if (argc > 2) {
+ fprintf (stderr, "usage: %s [name]\n", argv[0]);
+ return 1;
+ }
if (argc < 2) {
pwd = getpwuid(getuid());
-
if (! pwd) {
fprintf(stderr, "Unable to retrieve user info for "
"userid %ld\n", (long) getuid());
strncpy(buf, pwd->pw_gecos, sizeof(buf));
buf[sizeof(buf) - 1] = '\0';
- } else if (argc == 2) {
- name = argv[1];
- } else if (argc > 2) {
- fprintf (stderr, "usage: %s [name]\n", argv[0]);
- return 1;
- }
+ } else
+ strncpy(buf, argv[1], sizeof(buf));
/*
* Perform the same processing that getuserinfo() does.
/*
* Stop at the first comma.
*/
- if ((p = strchr(name, ',')))
+ if ((p = strchr(buf, ',')))
*p = '\0';
/*
* Quote the entire string if it has a special character in it.
*/
- escape_display_name (name);
-
- printf("%s\n", name);
+ escape_display_name (buf, sizeof(buf));
+ puts(buf);
exit(0);
}