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ash: expand: Use HOME in tilde expansion when it is empty

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Upstream commit:

    Date: Sun, 27 May 2018 17:31:57 +0800
    expand: Use HOME in tilde expansion when it is empty

    Currently if HOME is set to empty tilde expansion will fail, i.e.,
    it will remain as a literal tilde.  This patch changes it to
    return the empty string as required by POSIX.

    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-02-16 18:31:05 +01:00
parent a7b97e367c
commit e880b1fea8
1 changed files with 1 additions and 1 deletions
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shell/ash.c
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@ -6440,7 +6440,7 @@ exptilde(char *startp, char *p, int flags)
goto lose; goto lose;
home = pw->pw_dir; home = pw->pw_dir;
} }
if (!home || !*home) if (!home)
goto lose; goto lose;
*p = c; *p = c;
strtodest(home, SQSYNTAX, quotes); strtodest(home, SQSYNTAX, quotes);