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fix bug exhibited by t0000-basic.sh introduced in R38 shortly before the

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release: sometimes, a “cd -P” would cause memory corruption because lalloc
internal data was overwritten due to accidentally losing a “continue;”
This commit is contained in:
tg
2009-05-31 15:10:07 +00:00
parent cda3cc93f1
commit 16c47bbe91
3 changed files with 10 additions and 10 deletions
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12
misc.c
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@ -29,7 +29,7 @@
#include <grp.h>
#endif
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.107 2009/05/27 09:58:23 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.108 2009/05/31 15:10:07 tg Exp $");
#undef USE_CHVT
#if defined(TIOCSCTTY) && !defined(MKSH_SMALL)
@ -1331,11 +1331,11 @@ do_phys_path(XString *xsp, char *xp, const char *pathl)
llen = readlink(Xstring(*xsp, xp), lbuf, PATH_MAX - 1);
if (llen < 0) {
/* EINVAL means it wasn't a symlink... */
if (errno != EINVAL) {
xp = NULL;
goto out;
}
if (errno == EINVAL)
/* not a symbolic link */
continue;
xp = NULL;
goto out;
}
lbuf[llen] = '\0';