X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/670d8abf801d534578751876c796ef893ec2075a..d051056f921f465c487a85f9fa29a2324332bc4b:/getgroups.c diff --git a/getgroups.c b/getgroups.c index 8dfe264c..6a8fac2e 100644 --- a/getgroups.c +++ b/getgroups.c @@ -26,23 +26,33 @@ #include "rsync.h" -#ifndef NGROUPS_MAX -/* It ought to be defined, but just in case. */ -# define NGROUPS_MAX 32 -#endif - int main(UNUSED(int argc), UNUSED(char *argv[])) { int n, i; - gid_t list[NGROUPS_MAX]; + gid_t *list; gid_t gid = MY_GID(); int gid_in_list = 0; - if ((n = getgroups(NGROUPS_MAX, list)) < 0) { +#ifdef HAVE_GETGROUPS + if ((n = getgroups(0, NULL)) < 0) { perror("getgroups"); return 1; } +#else + n = 0; +#endif + + list = (gid_t*)malloc(sizeof (gid_t) * (n + 1)); + if (!list) { + fprintf(stderr, "out of memory!\n"); + exit(1); + } + +#ifdef HAVE_GETGROUPS + if (n > 0) + n = getgroups(n, list); +#endif for (i = 0; i < n; i++) { printf("%lu ", (unsigned long)list[i]);