char *pa_get_user_name(char *s, size_t l) {
const char *p;
char *name = NULL;
#ifdef OS_IS_WIN32
char buf[1024];
#endif
#ifdef HAVE_PWD_H
struct passwd *r;
#endif
pa_assert(s);
pa_assert(l > 0);
p = NULL;
#ifdef HAVE_GETUID
p = getuid() == 0 ? "root" : NULL;
#endif
if (!p) p = getenv("USER");
if (!p) p = getenv("LOGNAME");
if (!p) p = getenv("USERNAME");
if (p) {
name = pa_strlcpy(s, p, l);
} else {
#ifdef HAVE_PWD_H
if ((r = pa_getpwuid_malloc(getuid())) == NULL) {
pa_snprintf(s, l, "%lu", (unsigned long) getuid());
return s;
}
name = pa_strlcpy(s, r->pw_name, l);
pa_getpwuid_free(r);
#elif defined(OS_IS_WIN32) /* HAVE_PWD_H */
DWORD size = sizeof(buf);
if (!GetUserName(buf, &size)) {
errno = ENOENT;
return NULL;
}
name = pa_strlcpy(s, buf, l);
#else /* HAVE_PWD_H */
return NULL;
#endif /* HAVE_PWD_H */
}
return name;
}
char *pa_get_home_dir(char *s, size_t l) {
char *e;
char *dir;
#ifdef HAVE_PWD_H
struct passwd *r;
#endif
pa_assert(s);
pa_assert(l > 0);
if ((e = getenv("HOME"))) {
dir = pa_strlcpy(s, e, l);
goto finish;
}
if ((e = getenv("USERPROFILE"))) {
dir = pa_strlcpy(s, e, l);
goto finish;
}
#ifdef HAVE_PWD_H
errno = 0;
if ((r = pa_getpwuid_malloc(getuid())) == NULL) {
if (!errno)
errno = ENOENT;
return NULL;
}
dir = pa_strlcpy(s, r->pw_dir, l);
pa_getpwuid_free(r);
#endif /* HAVE_PWD_H */
finish:
if (!dir) {
errno = ENOENT;
return NULL;
}
if (!pa_is_path_absolute(dir)) {
pa_log("Failed to get the home directory, not an absolute path: %s", dir);
errno = ENOENT;
return NULL;
}
return dir;
}
char *pa_get_home_dir(char *s, size_t l) {
char *e, *dir;
#ifdef HAVE_PWD_H
struct passwd *r;
#endif
pa_assert(s);
pa_assert(l > 0);
if ((e = getenv("HOME")))
return pa_strlcpy(s, e, l);
if ((e = getenv("USERPROFILE")))
return pa_strlcpy(s, e, l);
#ifdef HAVE_PWD_H
errno = 0;
if ((r = pa_getpwuid_malloc(getuid())) == NULL) {
if (!errno)
errno = ENOENT;
return NULL;
}
dir = pa_strlcpy(s, r->pw_dir, l);
pa_getpwuid_free(r);
return dir;
#else /* HAVE_PWD_H */
errno = ENOENT;
return NULL;
#endif
}