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os_file_is_*: libuv impl

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- uv_fs_access() is far more robust than access(). In particular, it
  handles utf16 paths (Windows).
- Still need R_OK, W_OK in win_defs.h
This commit is contained in:
Justin M. Keyes 2015-08-17 00:44:58 -04:00
parent b1e18dc393
commit 86c38ef126
1 changed files with 9 additions and 6 deletions
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15
src/nvim/os/fs.c
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@ -285,7 +285,10 @@ bool os_file_is_readonly(const char *name)
bool os_file_is_readable(const char *name)
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
{
return (access(name, R_OK) == 0);
uv_fs_t req;
int r = uv_fs_access(&fs_loop, &req, name, R_OK, NULL);
uv_fs_req_cleanup(&req);
return (r == 0);
}
/// Check if a file is writable.
@ -296,11 +299,11 @@ bool os_file_is_readable(const char *name)
int os_file_is_writable(const char *name)
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
{
if (access(name, W_OK) == 0) {
if (os_isdir((char_u *)name)) {
return 2;
}
return 1;
uv_fs_t req;
int r = uv_fs_access(&fs_loop, &req, name, W_OK, NULL);
uv_fs_req_cleanup(&req);
if (r == 0) {
return os_isdir((char_u *)name) ? 2 : 1;
}
return 0;
}