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merge OS/2 style PATH (absolute with drive letters, ‘;’ as separator)

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From: KO Myung-Hun <komh@chollian.net>
This commit is contained in:
tg
2015-07-10 19:36:38 +00:00
parent fd37f4baf0
commit ba8a6e9461
9 changed files with 141 additions and 52 deletions
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22
misc.c
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@ -30,7 +30,7 @@
#include <grp.h>
#endif
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.237 2015/07/09 20:52:41 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.238 2015/07/10 19:36:36 tg Exp $");
#define KSH_CHVT_FLAG
#ifdef MKSH_SMALL
@ -1412,12 +1412,12 @@ do_realpath(const char *upath)
/* max. recursion depth */
int symlinks = 32;
if (upath[0] == '/') {
if (mksh_abspath(upath)) {
/* upath is an absolute pathname */
strdupx(ipath, upath, ATEMP);
} else {
/* upath is a relative pathname, prepend cwd */
if ((tp = ksh_get_wd()) == NULL || tp[0] != '/')
if ((tp = ksh_get_wd()) == NULL || !mksh_abspath(tp))
return (NULL);
ipath = shf_smprintf("%s%s%s", tp, "/", upath);
afree(tp, ATEMP);
@ -1520,7 +1520,7 @@ do_realpath(const char *upath)
tp = shf_smprintf("%s%s%s", ldest, *ip ? "/" : "", ip);
afree(ipath, ATEMP);
ip = ipath = tp;
if (ldest[0] != '/') {
if (!mksh_abspath(ldest)) {
/* symlink target is a relative path */
xp = Xrestpos(xs, xp, pos);
} else
@ -1620,7 +1620,7 @@ make_path(const char *cwd, const char *file,
if (!file)
file = null;
if (file[0] == '/') {
if (mksh_abspath(file)) {
*phys_pathp = 0;
use_cdpath = false;
} else {
@ -1637,15 +1637,15 @@ make_path(const char *cwd, const char *file,
if (!plist)
use_cdpath = false;
else if (use_cdpath) {
char *pend;
char *pend = plist;
for (pend = plist; *pend && *pend != ':'; pend++)
;
while (*pend && *pend != MKSH_PATHSEPC)
++pend;
plen = pend - plist;
*cdpathp = *pend ? pend + 1 : NULL;
}
if ((!use_cdpath || !plen || plist[0] != '/') &&
if ((!use_cdpath || !plen || !mksh_abspath(plist)) &&
(cwd && *cwd)) {
len = strlen(cwd);
XcheckN(*xsp, xp, len);
@ -1731,7 +1731,7 @@ simplify_path(char *p)
continue;
else if (len == 2 && tp[1] == '.') {
/* parent level, but how? */
if (*p == '/')
if (mksh_abspath(p))
/* absolute path, only one way */
goto strip_last_component;
else if (dp > sp) {
@ -1931,7 +1931,7 @@ c_cd(const char **wp)
/* Ignore failure (happens if readonly or integer) */
setstr(oldpwd_s, current_wd, KSH_RETURN_ERROR);
if (Xstring(xs, xp)[0] != '/') {
if (!mksh_abspath(Xstring(xs, xp))) {
pwd = NULL;
} else if (!physical) {
goto norealpath_PWD;