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Improved to add the default gid if it is missing from the list.

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This commit is contained in:
Wayne Davison
2004-01-22 09:13:36 +00:00
parent 54bf456e85
commit 58743a87b8
1 changed files with 13 additions and 5 deletions
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18
getgroups.c
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@@ -26,24 +26,32 @@
#include "rsync.h"
#ifndef NGROUPS
#ifndef NGROUPS_MAX
/* It ought to be defined, but just in case. */
# define NGROUPS 32
# define NGROUPS_MAX 32
#endif
int
main(UNUSED(int argc), UNUSED(char *argv[]))
{
int n, i;
gid_t list[NGROUPS];
gid_t list[NGROUPS_MAX];
gid_t gid = getgid();
int gid_in_list = 0;
if ((n = getgroups(NGROUPS, list)) == -1) {
if ((n = getgroups(NGROUPS_MAX, list)) < 0) {
perror("getgroups");
return 1;
}
for (i = 0; i < n; i++)
for (i = 0; i < n; i++) {
printf("%lu ", (unsigned long)list[i]);
if (list[i] == gid)
gid_in_list = 1;
}
/* The default gid might not be in the list on some systems. */
if (!gid_in_list)
printf("%lu", (unsigned long)gid);
printf("\n");
return 0;