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| author | Paul Eggert <eggert@cs.ucla.edu> | 2017-10-05 15:55:10 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2017-10-05 16:05:49 -0700 |
| commit | db893ab863770ef3f89102d6837cd3eb021429ba (patch) | |
| tree | e745aa6bb412d8580c7e2fabe10a2bdafe14370b /src/sysdep.c | |
| parent | 16dc580aa61832285269f8de081248bac618cf84 (diff) | |
| download | emacs-db893ab863770ef3f89102d6837cd3eb021429ba.tar.gz | |
Fix bug with unmounted directory on GNU/Linux
* src/sysdep.c (emacs_get_current_dir_name): Do not use
get_current_dir_name result unless it is absolute (Bug#27871).
Diffstat (limited to 'src/sysdep.c')
| -rw-r--r-- | src/sysdep.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/sysdep.c b/src/sysdep.c index 26d381f5796..8291a606bea 100644 --- a/src/sysdep.c +++ b/src/sysdep.c @@ -232,7 +232,18 @@ emacs_get_current_dir_name (void) bool use_libc = true; # endif if (use_libc) - return get_current_dir_name (); + { + /* GNU/Linux get_current_dir_name can return a string starting + with "(unreachable)" (Bug#27871). */ + char *wd = get_current_dir_name (); + if (wd && ! (IS_DIRECTORY_SEP (*wd) || (*wd && IS_DEVICE_SEP (wd[1])))) + { + free (wd); + errno = ENOENT; + return NULL; + } + return wd; + } # endif char *buf; |