shaba/systemd
1
0
Fork 0
mirror of https://github.com/systemd/systemd.git synced 2025-02-04 21:47:31 +03:00
Code

assign errno for getgrnam_r()/getpwnam_r()

Browse Source 
On Mon, Aug 24, 2009 at 19:50, Lennart Poettering<lennart@poettering.net> wrote:
> One little comment here: on POSIX getrnam_r() doesn't touch
> errno. Instead it returns the error value as return value.
This commit is contained in:
Kay Sievers 2009-08-25 21:06:35 +02:00
parent d25b7205db
commit 4851d131d6
1 changed files with 8 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
libudev/libudev-util-private.c
View File

@ -135,8 +135,7 @@ uid_t util_lookup_user(struct udev *udev, const char *user)
if (endptr[0] == '\0')
return uid;
errno = 0;
getpwnam_r(user, &pwbuf, buf, buflen, &pw);
errno = getpwnam_r(user, &pwbuf, buf, buflen, &pw);
if (pw != NULL)
return pw->pw_uid;
if (errno == 0 || errno == ENOENT || errno == ESRCH)
@ -149,7 +148,7 @@ uid_t util_lookup_user(struct udev *udev, const char *user)
gid_t util_lookup_group(struct udev *udev, const char *group)
{
char *endptr;
int buflen;
int buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
char *buf;
struct group grbuf;
struct group *gr;
@ -160,28 +159,23 @@ gid_t util_lookup_group(struct udev *udev, const char *group)
gid = strtoul(group, &endptr, 10);
if (endptr[0] == '\0')
return gid;
buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
if (buflen < 0)
buflen = 1000;
buf = NULL;
gid = 0;
for (;;) {
buf = realloc(buf, buflen);
if (!buf)
break;
errno = 0;
getgrnam_r(group, &grbuf, buf, buflen, &gr);
if (gr != NULL)
errno = getgrnam_r(group, &grbuf, buf, buflen, &gr);
if (gr != NULL) {
gid = gr->gr_gid;
else if (errno == ERANGE) {
} else if (errno == ERANGE) {
buflen *= 2;
continue;
}
else if (errno == 0 || errno == ENOENT || errno == ESRCH)
} else if (errno == 0 || errno == ENOENT || errno == ESRCH) {
err(udev, "specified group '%s' unknown\n", group);
else
} else {
err(udev, "error resolving group '%s': %m\n", group);
}
break;
}
free(buf);