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Support non-standard struct stat [Bug #17793]

On 32-bit Android:
* `st_dev`/`st_rdev` are not `dev_t`
* `st_mode` is not `mode_t`
This commit is contained in:
Nobuyoshi Nakada 2021-04-12 14:42:26 +09:00
parent 799ea1d154
commit a5688b5ce6
No known key found for this signature in database
GPG key ID: 7CD2805BFA3770C6
2 changed files with 21 additions and 0 deletions

View file

@ -1693,6 +1693,7 @@ RUBY_CHECK_SIGNEDNESS(size_t, [AC_MSG_ERROR(size_t is signed)], [],
[@%:@include <sys/types.h>])
RUBY_CHECK_SIZEOF(size_t, [int long void*], [], [@%:@include <sys/types.h>])
RUBY_CHECK_SIZEOF(ptrdiff_t, size_t, [], [@%:@include <stddef.h>])
RUBY_CHECK_SIZEOF(dev_t)
RUBY_CHECK_PRINTF_PREFIX(size_t, z)
RUBY_CHECK_PRINTF_PREFIX(ptrdiff_t, t)
AC_CHECK_MEMBERS([struct stat.st_blksize])
@ -1703,6 +1704,10 @@ AS_IF([test "$ac_cv_member_struct_stat_st_blocks" = yes], [
RUBY_CHECK_SIZEOF([struct stat.st_blocks], [off_t int long "long long"], [], [@%:@include <sys/stat.h>])
])
RUBY_CHECK_SIZEOF([struct stat.st_ino], [long "long long"], [], [@%:@include <sys/stat.h>])
RUBY_CHECK_SIZEOF([struct stat.st_dev], [dev_t int long "long long"], [], [@%:@include <sys/stat.h>])
AS_IF([test "$ac_cv_member_struct_stat_st_rdev" = yes], [
RUBY_CHECK_SIZEOF([struct stat.st_rdev], [dev_t int long "long long"], [], [@%:@include <sys/stat.h>])
])
AC_CHECK_MEMBERS([struct stat.st_atim])
AC_CHECK_MEMBERS([struct stat.st_atimespec])
AC_CHECK_MEMBERS([struct stat.st_atimensec])

16
file.c
View file

@ -577,7 +577,13 @@ rb_stat_cmp(VALUE self, VALUE other)
static VALUE
rb_stat_dev(VALUE self)
{
#if SIZEOF_STRUCT_STAT_ST_DEV <= SIZEOF_DEV_T
return DEVT2NUM(get_stat(self)->st_dev);
#elif SIZEOF_STRUCT_STAT_ST_DEV <= SIZEOF_LONG
return ULONG2NUM(get_stat(self)->st_dev);
#else
return ULL2NUM(get_stat(self)->st_dev);
#endif
}
/*
@ -747,7 +753,13 @@ static VALUE
rb_stat_rdev(VALUE self)
{
#ifdef HAVE_STRUCT_STAT_ST_RDEV
# if SIZEOF_STRUCT_STAT_ST_RDEV <= SIZEOF_DEV_T
return DEVT2NUM(get_stat(self)->st_rdev);
# elif SIZEOF_STRUCT_STAT_ST_RDEV <= SIZEOF_LONG
return ULONG2NUM(get_stat(self)->st_rdev);
# else
return ULL2NUM(get_stat(self)->st_rdev);
# endif
#else
return Qnil;
#endif
@ -6254,7 +6266,11 @@ path_check_0(VALUE path)
#endif
&& !access(p0, W_OK)) {
rb_enc_warn(enc, "Insecure world writable dir %s in PATH, mode 0%"
#if SIZEOF_DEV_T > SIZEOF_INT
PRI_MODET_PREFIX"o",
#else
"o",
#endif
p0, st.st_mode);
if (p) *p = '/';
RB_GC_GUARD(path);