| /programs/develop/libraries/menuetlibc/src/libc/posix/grp/getgrgid.c |
|---|
| 0,0 → 1,68 |
| /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */ |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <grp.h> |
| static int init = 0; |
| static char *grp = 0; |
| static struct group g; |
| static char *mem[2]; |
| static char def_name[] = "user"; |
| static char def_grp[] = "dos"; |
| static void |
| grp_init(void) |
| { |
| char *p; |
| p = getenv("USER"); |
| if (p == 0) |
| p = getenv("LOGNAME"); |
| if (p) |
| { |
| mem[0] = (char *)malloc(strlen(p) + 1); |
| if (mem[0] == 0) |
| mem[0] = def_name; |
| else |
| strcpy(mem[0], p); |
| } |
| else |
| mem[0] = def_name; |
| mem[1] = 0; |
| p = getenv("GROUP"); |
| if (p) |
| { |
| grp = (char *)malloc(strlen(p)+1); |
| if (grp == 0) |
| grp = def_grp; |
| else |
| strcpy(grp, p); |
| } |
| else |
| grp = def_grp; |
| g.gr_gid = getgid(); |
| g.gr_mem = mem; |
| g.gr_name = grp; |
| } |
| struct group * |
| getgrgid(gid_t gid) |
| { |
| if (gid != getgid()) |
| return 0; |
| if (init == 0) |
| grp_init(); |
| return &g; |
| } |
| struct group * |
| getgrnam(const char *name) |
| { |
| if (init == 0) |
| grp_init(); |
| if (strcmp(name, grp)) |
| return 0; |
| return &g; |
| } |