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Diffstat (limited to 'lib')
-rw-r--r--lib/lib.h1
-rw-r--r--lib/xwrap.c11
2 files changed, 10 insertions, 2 deletions
diff --git a/lib/lib.h b/lib/lib.h
index e5d4a1d3..2d3e2734 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -113,6 +113,7 @@ void xmkpath(char *path, int mode);
void xsetuid(uid_t uid);
struct passwd *xgetpwuid(uid_t uid);
struct group *xgetgrgid(gid_t gid);
+struct passwd *xgetpwnam(char *name);
char *xreadlink(char *name);
long xparsetime(char *arg, long units, long *fraction);
void xpidfile(char *name);
diff --git a/lib/xwrap.c b/lib/xwrap.c
index 71ea9209..c0c8a44b 100644
--- a/lib/xwrap.c
+++ b/lib/xwrap.c
@@ -402,17 +402,24 @@ void xsetuid(uid_t uid)
struct passwd *xgetpwuid(uid_t uid)
{
struct passwd *pwd = getpwuid(uid);
- if (!pwd) error_exit(NULL);
+ if (!pwd) error_exit("bad uid %ld", (long)uid);
return pwd;
}
struct group *xgetgrgid(gid_t gid)
{
struct group *group = getgrgid(gid);
- if (!group) error_exit(NULL);
+ if (!group) error_exit("bad gid %ld", (long)gid);
return group;
}
+struct passwd *xgetpwnam(char *name)
+{
+ struct passwd *up = getpwnam(name);
+ if (!up) error_exit("bad user '%s'", name);
+ return up;
+}
+
// This can return null (meaning file not found). It just won't return null
// for memory allocation reasons.
char *xreadlink(char *name)