2 * getfullname.c - Extract a user's name out of the GECOS field in
5 * This code is Copyright (c) 2012, by the authors of nmh. See the
6 * COPYRIGHT file in the root directory of the nmh distribution for
7 * complete copyright information.
14 #include <sys/types.h>
17 extern void escape_display_name (char *, size_t);
20 main(int argc, char *argv[])
26 pwd = getpwuid(getuid());
29 fprintf(stderr, "Unable to retrieve user info for "
30 "userid %ld\n", (long) getuid());
34 strncpy(buf, pwd->pw_gecos, sizeof(buf));
35 buf[sizeof(buf) - 1] = '\0';
36 } else if (argc == 2) {
37 strncpy(buf, argv[1], sizeof(buf));
38 } else if (argc > 2) {
39 fprintf (stderr, "usage: %s [name]\n", argv[0]);
44 * Perform the same processing that getuserinfo() does.
48 * Stop at the first comma.
50 if ((p = strchr(buf, ',')))
54 * Quote the entire string if it has a special character in it.
56 escape_display_name (buf, sizeof(buf));