return ret;
}
-struct passwd *xgetpwuid_self(void)
-{
- struct passwd *pw;
-
- errno = 0;
- pw = getpwuid(getuid());
- if (!pw)
- die(_("unable to look up current user in the passwd file: %s"),
- errno ? strerror(errno) : _("no such user"));
- return pw;
-}
-
char *xgetcwd(void)
{
struct strbuf sb = STRBUF_INIT;
return strbuf_detach(&sb, NULL);
}
+int xsnprintf(char *dst, size_t max, const char *fmt, ...)
+{
+ va_list ap;
+ int len;
+
+ va_start(ap, fmt);
+ len = vsnprintf(dst, max, fmt, ap);
+ va_end(ap);
+
+ if (len < 0)
+ die("BUG: your snprintf is broken");
+ if (len >= max)
+ die("BUG: attempt to snprintf into too-small buffer");
+ return len;
+}
+
static int write_file_v(const char *path, int fatal,
const char *fmt, va_list params)
{