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| author | Eli Zaretskii <eliz@gnu.org> | 2011-02-27 21:51:35 +0200 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2011-02-27 21:51:35 +0200 |
| commit | 4824410fa8236c8c005107d24898e48c762e83c6 (patch) | |
| tree | f281f350b17a34b5b8dae65f8395e8944e53beee | |
| parent | 0f7bb05d28a57975fca586d7b3aa5e72edf56897 (diff) | |
| parent | 40be44e2a95cd703e49022c8f8aa0ce5b9b29ea6 (diff) | |
| download | emacs-4824410fa8236c8c005107d24898e48c762e83c6.tar.gz | |
Implement stub emulation of `readlink' for MS-DOS.
src/msdos.c (readlink) [DJGPP < 2.04]: New stub function.
src/msdos.h: (readlink) [DJGPP < 2.04]: Declare prototype.
| -rw-r--r-- | src/ChangeLog | 4 | ||||
| -rw-r--r-- | src/msdos.c | 12 | ||||
| -rw-r--r-- | src/msdos.h | 5 |
3 files changed, 21 insertions, 0 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index f3710495c4a..a7c9d4c7e3c 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,5 +1,9 @@ 2011-02-27 Eli Zaretskii <eliz@gnu.org> + * msdos.c (readlink) [DJGPP < 2.04]: New stub function. + + * msdos.h: (readlink) [DJGPP < 2.04]: Declare prototype. + * w32.c (symlink, readlink): New stub functions. 2011-02-27 Paul Eggert <eggert@cs.ucla.edu> diff --git a/src/msdos.c b/src/msdos.c index df51c5fdb88..261a09ac859 100644 --- a/src/msdos.c +++ b/src/msdos.c @@ -3920,6 +3920,18 @@ croak (char *badfunc) */ int setpgrp (void) {return 0; } int setpriority (int x, int y, int z) { return 0; } + +#if __DJGPP__ == 2 && __DJGPP_MINOR__ < 4 +ssize_t +readlink (const char *name, char *dummy1, size_t dummy2) +{ + /* `access' is much faster than `stat' on MS-DOS. */ + if (access (name, F_OK) == 0) + errno = EINVAL; + return -1; +} +#endif + #if __DJGPP__ == 2 && __DJGPP_MINOR__ < 2 diff --git a/src/msdos.h b/src/msdos.h index 6b076c1722b..4bbe9b134de 100644 --- a/src/msdos.h +++ b/src/msdos.h @@ -40,6 +40,11 @@ void mouse_init (void); void mouse_on (void); void mouse_off (void); void mouse_moveto (int, int); + +#if __DJGPP__ == 2 && __DJGPP_MINOR__ < 4 +int readlink (const char *, char *, size_t); +#endif + #ifndef HAVE_X_WINDOWS /* Dummy types. */ |