diff options
author | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2018-02-25 13:53:05 +0000 |
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committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2018-02-25 13:53:11 +0000 |
commit | 9d7518c2cb43f1fb1eb54495899945523fd5dc99 (patch) | |
tree | 57fcfe56162934f5f78b3b22920623546c8d126c /package/toolbox/src/src/id.c | |
parent | 30f5a076475d08daa882fa2e636a19200877aa33 (diff) |
toolbox: add OpenADK toolbox for very small systems, thx Thorsten Glaser
Diffstat (limited to 'package/toolbox/src/src/id.c')
-rw-r--r-- | package/toolbox/src/src/id.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/package/toolbox/src/src/id.c b/package/toolbox/src/src/id.c new file mode 100644 index 000000000..60c0f0f6d --- /dev/null +++ b/package/toolbox/src/src/id.c @@ -0,0 +1,51 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/types.h> +#include <pwd.h> +#include <grp.h> + +static void print_uid(uid_t uid) +{ + struct passwd *pw = getpwuid(uid); + + if (pw) { + printf("%d(%s)", uid, pw->pw_name); + } else { + printf("%d",uid); + } +} + +static void print_gid(gid_t gid) +{ + struct group *gr = getgrgid(gid); + if (gr) { + printf("%d(%s)", gid, gr->gr_name); + } else { + printf("%d",gid); + } +} + +int main(int argc, char **argv) +{ + gid_t list[64]; + int n, max; + + max = getgroups(64, list); + if (max < 0) max = 0; + + printf("uid="); + print_uid(getuid()); + printf(" gid="); + print_gid(getgid()); + if (max) { + printf(" groups="); + print_gid(list[0]); + for(n = 1; n < max; n++) { + printf(","); + print_gid(list[n]); + } + } + printf("\n"); + return 0; +} |