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users/24451: zgetcwd: Add a guard against returning an empty string.

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This commit is contained in:
Daniel Shahaf 2019-11-19 19:20:25 +00:00
parent 030440d5b7
commit 87db974a84
2 changed files with 4 additions and 1 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2019-11-19 Daniel Shahaf <d.s@daniel.shahaf.name> 2019-11-19 Daniel Shahaf <d.s@daniel.shahaf.name>
* users/24451: Src/compat.c: zgetcwd: Add a guard against
returning an empty string.
* unposted: Test/W01history.ztst: Add smoke test for :P history * unposted: Test/W01history.ztst: Add smoke test for :P history
modifier. modifier.

2
Src/compat.c
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@ -519,7 +519,7 @@ zgetcwd(void)
#endif /* HAVE_GETCWD */ #endif /* HAVE_GETCWD */
if (!ret) if (!ret)
ret = unmeta(pwd); ret = unmeta(pwd);
if (!ret) if (!ret || *ret == '\0')
ret = dupstring("."); ret = dupstring(".");
return ret; return ret;
} }