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* file.c (utime_failed): refined the error message for EINVAL on

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DOSISH platforms, where it may fail depending on filesystems.
  see [ruby-dev:38277].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-04-06 10:26:20 +00:00
parent a3a88c6bcd
commit 228d3e46a3
2 changed files with 65 additions and 13 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Mon Apr 6 19:26:18 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* file.c (utime_failed): refined the error message for EINVAL on
DOSISH platforms, where it may fail depending on filesystems.
see [ruby-dev:38277].
Mon Apr 6 16:38:50 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* file.c (sys_fail2, rb_file_s_readlink, BUFCHECK, rmext),

72
file.c
View file

@ -2080,25 +2080,68 @@ rb_file_s_lchown(int argc, VALUE *argv)
struct timespec rb_time_timespec(VALUE time);
struct utime_args {
const struct timespec* tsp;
VALUE atime, mtime;
};
#if defined DOSISH || defined __CYGWIN__
NORETURN(static void utime_failed(const char *, const struct timespec *, VALUE, VALUE));
static void
utime_failed(const char *path, const struct timespec *tsp, VALUE atime, VALUE mtime)
{
if (tsp && errno == EINVAL) {
VALUE e[2], a = Qnil, m = Qnil;
int d = 0;
if (!NIL_P(atime)) {
a = rb_inspect(atime);
}
if (!NIL_P(mtime) && mtime != atime && !rb_equal(atime, mtime)) {
m = rb_inspect(mtime);
}
if (NIL_P(a)) e[0] = m;
else if (NIL_P(m) || rb_str_cmp(a, m) == 0) e[0] = a;
else {
e[0] = rb_str_plus(a, rb_str_new_cstr(" or "));
rb_str_append(e[0], m);
d = 1;
}
if (!NIL_P(e[0])) {
if (path) {
if (!d) e[0] = rb_str_dup(e[0]);
rb_str_cat2(rb_str_cat2(e[0], " for "), path);
}
e[1] = INT2FIX(EINVAL);
rb_exc_raise(rb_class_new_instance(2, e, rb_eSystemCallError));
}
errno = EINVAL;
}
rb_sys_fail(path);
}
#else
#define utime_failed(path, tsp, atime, mtime) rb_sys_fail(path)
#endif
#if defined(HAVE_UTIMES)
static void
utime_internal(const char *path, void *arg)
{
struct timespec *tsp = arg;
struct timeval tvbuf[2], *tvp = arg;
struct utime_args *v = arg;
const struct timespec *tsp = v->tsp;
struct timeval tvbuf[2], *tvp = NULL;
#ifdef HAVE_UTIMENSAT
static int try_utimensat = 1;
if (try_utimensat) {
struct timespec *tsp = arg;
if (utimensat(AT_FDCWD, path, tsp, 0) < 0) {
if (errno == ENOSYS) {
try_utimensat = 0;
goto no_utimensat;
}
rb_sys_fail(path);
utime_failed(path, tsp, v->atime, v->mtime);
}
return;
}
@ -2113,7 +2156,7 @@ no_utimensat:
tvp = tvbuf;
}
if (utimes(path, tvp) < 0)
rb_sys_fail(path);
utime_failed(path, tsp, v->atime, v->mtime);
}
#else
@ -2128,7 +2171,8 @@ struct utimbuf {
static void
utime_internal(const char *path, void *arg)
{
struct timespec *tsp = arg;
struct utime_args *v = arg;
const struct timespec *tsp = v->tsp;
struct utimbuf utbuf, *utp = NULL;
if (tsp) {
utbuf.actime = tsp[0].tv_sec;
@ -2136,7 +2180,7 @@ utime_internal(const char *path, void *arg)
utp = &utbuf;
}
if (utime(path, utp) < 0)
rb_sys_fail(path);
utime_failed(path, tsp, v->atime, v->mtime);
}
#endif
@ -2153,20 +2197,22 @@ utime_internal(const char *path, void *arg)
static VALUE
rb_file_s_utime(int argc, VALUE *argv)
{
VALUE atime, mtime, rest;
VALUE rest;
struct utime_args args;
struct timespec tss[2], *tsp = NULL;
long n;
rb_secure(2);
rb_scan_args(argc, argv, "2*", &atime, &mtime, &rest);
rb_scan_args(argc, argv, "2*", &args.atime, &args.mtime, &rest);
if (!NIL_P(atime) || !NIL_P(mtime)) {
if (!NIL_P(args.atime) || !NIL_P(args.mtime)) {
tsp = tss;
tsp[0] = rb_time_timespec(atime);
tsp[1] = rb_time_timespec(mtime);
tsp[0] = rb_time_timespec(args.atime);
tsp[1] = rb_time_timespec(args.mtime);
}
args.tsp = tsp;
n = apply2files(utime_internal, rest, tsp);
n = apply2files(utime_internal, rest, &args);
return LONG2FIX(n);
}