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Fixed execvp() of an empty pathname to fail POSIXly. Previously it

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attempted to exec the components of $PATH and it usually set errno
to the wrong value.

Found by:	NIST PCTS
This commit is contained in:
Bruce Evans 1996-11-18 19:24:47 +00:00
parent 1ad652a54c
commit 766631018f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=19852
1 changed files with 6 additions and 0 deletions
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6
lib/libc/gen/exec.c
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@ -200,6 +200,12 @@ execvp(name, argv)
}
bp = buf;
/* If it's an empty path name, fail in the usual POSIX way. */
if (*name == '\0') {
errno = ENOENT;
return (-1);
}
/* Get the path we're searching. */
if (!(path = getenv("PATH")))
path = _PATH_DEFPATH;