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Merge branch 'js/mingw-reserved-filenames'

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Forbid pathnames that the platform's filesystem cannot represent on
MinGW.

* js/mingw-reserved-filenames:
  mingw: refuse paths containing reserved names
  mingw: short-circuit the conversion of `/dev/null` to UTF-16
This commit is contained in:
Junio C Hamano
2020-01-02 12:38:30 -08:00
parent e0e1ac5db0 4dc42c6c18
commit 13432fc6dd
3 changed files with 122 additions and 24 deletions
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11
compat/mingw.h
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@@ -461,10 +461,17 @@ char *mingw_query_user_email(void);
*
* - contain any of the reserved characters, e.g. `:`, `;`, `*`, etc
*
* - correspond to reserved names (such as `AUX`, `PRN`, etc)
*
* The `allow_literal_nul` parameter controls whether the path `NUL` should
* be considered valid (this makes sense e.g. before opening files, as it is
* perfectly legitimate to open `NUL` on Windows, just as it is to open
* `/dev/null` on Unix/Linux).
*
* Returns 1 upon success, otherwise 0.
*/
int is_valid_win32_path(const char *path);
#define is_valid_path(path) is_valid_win32_path(path)
int is_valid_win32_path(const char *path, int allow_literal_nul);
#define is_valid_path(path) is_valid_win32_path(path, 0)
/**
* Converts UTF-8 encoded string to UTF-16LE.