diff options
Diffstat (limited to 'src/id.c')
| -rw-r--r-- | src/id.c | 35 |
1 files changed, 23 insertions, 12 deletions
@@ -23,6 +23,9 @@ #include <sys/types.h> #include <pwd.h> #include <grp.h> +#include <getopt.h> + +#include "version.h" #include "system.h" #ifdef _POSIX_VERSION @@ -31,16 +34,6 @@ #define NGROUPS_MAX sysconf (_SC_NGROUPS_MAX) #endif /* !NGROUPS_MAX */ -/* Even though SunOS 4, Ultrix 4, and 386BSD are mostly POSIX.1 compliant, - their getgroups system call (except in the `System V' environment, which - is troublesome in other ways) fills in an array of int, not gid_t - (which is `short' on those systems). Kludge, kludge. */ - -#if !defined(sun) && !defined(ultrix) && !defined(__386BSD__) -#define GETGROUPS_T gid_t -#else /* sun or ultrix or 386BSD */ -#define GETGROUPS_T int -#endif /* sun or ultrix or 386BSD */ #else /* not _POSIX_VERSION */ struct passwd *getpwuid (); struct group *getgrgid (); @@ -52,7 +45,6 @@ gid_t getegid (); #if !defined(NGROUPS_MAX) && defined(NGROUPS) #define NGROUPS_MAX NGROUPS #endif /* not NGROUPS_MAX and NGROUPS */ -#define GETGROUPS_T int #endif /* not _POSIX_VERSION */ char *xmalloc (); @@ -90,13 +82,21 @@ static gid_t rgid, egid; /* The number of errors encountered so far. */ static int problems = 0; +/* If non-zero, display usage information and exit. */ +static int show_help; + +/* If non-zero, print the version on standard error. */ +static int show_version; + static struct option const longopts[] = { {"group", no_argument, NULL, 'g'}, + {"groups", no_argument, NULL, 'G'}, + {"help", no_argument, &show_help, 1}, {"name", no_argument, NULL, 'n'}, {"real", no_argument, NULL, 'r'}, {"user", no_argument, NULL, 'u'}, - {"groups", no_argument, NULL, 'G'}, + {"version", no_argument, &show_version, 1}, {NULL, 0, NULL, 0} }; @@ -114,6 +114,8 @@ main (argc, argv) { switch (optc) { + case 0: + break; case 'g': just_group = 1; break; @@ -134,6 +136,15 @@ main (argc, argv) } } + if (show_version) + { + printf ("%s\n", version_string); + exit (0); + } + + if (show_help) + usage (); + if (just_user + just_group + just_group_list > 1) error (1, 0, "cannot print only user and only group"); |