mirror of
https://github.com/samba-team/samba.git
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69b3a0cb3f
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
85 lines
1.5 KiB
C
85 lines
1.5 KiB
C
/*
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* Use set/get/endgrent calls from two processes to iterate over the
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* password database. This checks the multithreaded stuff works.
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*/
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#include <stdio.h>
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#include <grp.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <wait.h>
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void dump_grent(char *id)
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{
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struct group *gr;
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char fname[255];
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FILE *fptr;
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/* Open results file */
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sprintf(fname, "/tmp/getgrent_r-%s.out-%d", id, getpid());
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if ((fptr = fopen(fname, "w")) == NULL) {
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fprintf(stderr, "ERROR: could not open file %s: %s\n", fname,
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sys_errlist[errno]);
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return;
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}
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/* Dump group database */
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setgrent();
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while((gr = getgrent()) != NULL) {
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fprintf(fptr,"%s:%s:%d\n", gr->gr_name, gr->gr_passwd,
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gr->gr_gid);
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}
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endgrent();
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/* Close results file */
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fclose(fptr);
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}
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int main(int argc, char **argv)
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{
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pid_t pid;
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/* Check args */
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if (argc != 2) {
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printf("ERROR: must specify output file identifier\n");
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return 1;
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}
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/* Fork child process */
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if ((pid = fork()) == -1) {
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printf("ERROR: unable to fork\n");
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return 1;
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}
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/* Handle test case */
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if (pid > 0) {
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int status;
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/* Parent */
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dump_grent(argv[1]);
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wait(&status);
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} else {
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/* Child */
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dump_grent(argv[1]);
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return 0;
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}
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printf("PASS: run getgrent_r.c\n");
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return 0;
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}
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