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64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
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/*
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* Test by Devin Reade.
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*
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* $Id: getpwent.c,v 1.1 1997/02/28 05:12:52 gdr Exp $
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*/
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#pragma debug 25
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#include <sys/types.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define WHOAMI "glyn"
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int main(int argc, char **argv) {
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struct passwd *pw;
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int id, i, j;
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char **pp;
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for (j=0; j<2; j++) {
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switch (j) {
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case 0:
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printf("printing all entries\n");
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break;
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case 1:
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printf("resetting file pointer\n");
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setpwent();
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break;
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}
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while((pw = getpwent()) != NULL) {
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printf("entry: \"%s\" \"%s\" %u %u\n",
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pw->pw_name, pw->pw_passwd,
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pw->pw_uid, pw->pw_gid);
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}
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}
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if (argc > 1) {
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if (!strcmp(argv[1], WHOAMI)) {
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if ((pw = getpwnam(argv[1])) == NULL) {
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printf("%s not present in database\n",
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argv[1]);
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} else {
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printf("uid for %s is %u\n",
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argv[1], pw->pw_uid);
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}
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} else {
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id = atoi(argv[1]);
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if ((pw = getpwuid(id)) == NULL) {
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printf("uid %u not present in database\n",
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id);
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} else {
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printf("id for %u is %s using shell %s\n",
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id, pw->pw_name, pw->pw_shell ?
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pw->pw_shell : "(null)");
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}
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}
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}
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endpwent();
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return 0;
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}
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