/*
* Perform pathname generation and remove control characters.
* At this point, the only control characters should be CTLESC.
* The results are stored in the list dstlist.
*/
static void
expandmeta(char *pattern, struct arglist *dstlist)
{
char *p;
int firstmatch;
char c;
firstmatch = dstlist->count;
p = pattern;
for (; (c = *p) != '\0'; p++) {
/* fast check for meta chars */
if (c == '*' || c == '?' || c == '[') {
INTOFF;
expmeta(expdir, pattern, dstlist);
INTON;
break;
}
}
if (dstlist->count == firstmatch) {
/*
* no matches
*/
rmescapes(pattern);
appendarglist(dstlist, pattern);
} else {
qsort(&dstlist->args[firstmatch],
dstlist->count - firstmatch,
sizeof(dstlist->args[0]), expsortcmp);
}
}
STATIC void
expandmeta(shinstance *psh, struct strlist *str, int flag)
{
char *p;
struct strlist **savelastp;
struct strlist *sp;
char c;
/* TODO - EXP_REDIR */
while (str) {
if (fflag(psh))
goto nometa;
p = str->text;
for (;;) { /* fast check for meta chars */
if ((c = *p++) == '\0')
goto nometa;
if (c == '*' || c == '?' || c == '[' || c == '!')
break;
}
savelastp = psh->exparg.lastp;
INTOFF;
if (psh->expdir == NULL) {
size_t i = strlen(str->text);
psh->expdir = ckmalloc(psh, i < 2048 ? 2048 : i); /* XXX */
}
expmeta(psh, psh->expdir, str->text);
ckfree(psh, psh->expdir);
psh->expdir = NULL;
INTON;
if (psh->exparg.lastp == savelastp) {
/*
* no matches
*/
nometa:
*psh->exparg.lastp = str;
rmescapes(psh, str->text);
psh->exparg.lastp = &str->next;
} else {
*psh->exparg.lastp = NULL;
*savelastp = sp = expsort(*savelastp);
while (sp->next != NULL)
sp = sp->next;
psh->exparg.lastp = &sp->next;
}
str = str->next;
}
}
/*
* Perform pathname generation and remove control characters.
* At this point, the only control characters should be CTLESC and CTLQUOTEMARK.
* The results are stored in the list exparg.
*/
static void
expandmeta(struct strlist* str, int32_t flag __unused)
{
cstring_t p;
struct strlist** savelastp;
struct strlist* sp;
char c;
(void)flag;
/* TODO - EXP_REDIR */
while (str)
{
if (fflag)
goto nometa;
p = str->text;
for (;;) /* fast check for meta chars */
{
if ((c = *p++) == '\0')
goto nometa;
if (c == '*' || c == '?' || c == '[')
break;
}
savelastp = exparg.lastp;
INTOFF;
expmeta(expdir, str->text);
INTON;
if (exparg.lastp == savelastp)
{
/*
* no matches
*/
nometa:
*exparg.lastp = str;
rmescapes(str->text);
exparg.lastp = &str->next;
}
else
{
*exparg.lastp = NULL;
*savelastp = sp = expsort(*savelastp);
while (sp->next != NULL)
sp = sp->next;
exparg.lastp = &sp->next;
}
str = str->next;
}
}
/*
* Perform pathname generation and remove control characters.
* At this point, the only control characters should be CTLESC and CTLQUOTEMARK.
* The results are stored in the list exparg.
*/
static void
expandmeta(struct strlist *str)
{
char *p;
struct strlist **savelastp;
struct strlist *sp;
char c;
while (str) {
savelastp = exparg.lastp;
if (!fflag) {
p = str->text;
for (; (c = *p) != '\0'; p++) {
/* fast check for meta chars */
if (c == '*' || c == '?' || c == '[') {
INTOFF;
expmeta(expdir, str->text);
INTON;
break;
}
}
}
if (exparg.lastp == savelastp) {
/*
* no matches
*/
*exparg.lastp = str;
rmescapes(str->text);
exparg.lastp = &str->next;
} else {
*exparg.lastp = NULL;
*savelastp = sp = expsort(*savelastp);
while (sp->next != NULL)
sp = sp->next;
exparg.lastp = &sp->next;
}
str = str->next;
}
}
static void
expmeta(char *enddir, char *name)
{
const char *p;
const char *q;
const char *start;
char *endname;
int metaflag;
struct stat statb;
DIR *dirp;
struct dirent *dp;
int atend;
int matchdot;
int esc;
int namlen;
metaflag = 0;
start = name;
for (p = name; esc = 0, *p; p += esc + 1) {
if (*p == '*' || *p == '?')
metaflag = 1;
else if (*p == '[') {
q = p + 1;
if (*q == '!' || *q == '^')
q++;
for (;;) {
while (*q == CTLQUOTEMARK)
q++;
if (*q == CTLESC)
q++;
if (*q == '/' || *q == '\0')
break;
if (*++q == ']') {
metaflag = 1;
break;
}
}
} else if (*p == '\0')
break;
else if (*p == CTLQUOTEMARK)
continue;
else {
if (*p == CTLESC)
esc++;
if (p[esc] == '/') {
if (metaflag)
break;
start = p + esc + 1;
}
}
}
if (metaflag == 0) { /* we've reached the end of the file name */
if (enddir != expdir)
metaflag++;
for (p = name ; ; p++) {
if (*p == CTLQUOTEMARK)
continue;
if (*p == CTLESC)
p++;
*enddir++ = *p;
if (*p == '\0')
break;
if (enddir == expdir_end)
return;
}
if (metaflag == 0 || lstat(expdir, &statb) >= 0)
addfname(expdir);
return;
}
endname = name + (p - name);
if (start != name) {
p = name;
while (p < start) {
while (*p == CTLQUOTEMARK)
p++;
if (*p == CTLESC)
p++;
*enddir++ = *p++;
if (enddir == expdir_end)
return;
}
}
if (enddir == expdir) {
p = ".";
} else if (enddir == expdir + 1 && *expdir == '/') {
p = "/";
} else {
p = expdir;
enddir[-1] = '\0';
}
if ((dirp = opendir(p)) == NULL)
return;
if (enddir != expdir)
enddir[-1] = '/';
if (*endname == 0) {
atend = 1;
} else {
atend = 0;
*endname = '\0';
endname += esc + 1;
}
matchdot = 0;
p = start;
while (*p == CTLQUOTEMARK)
p++;
if (*p == CTLESC)
p++;
if (*p == '.')
matchdot++;
while (! int_pending() && (dp = readdir(dirp)) != NULL) {
if (dp->d_name[0] == '.' && ! matchdot)
continue;
if (patmatch(start, dp->d_name, 0)) {
namlen = dp->d_namlen;
if (enddir + namlen + 1 > expdir_end)
continue;
memcpy(enddir, dp->d_name, namlen + 1);
if (atend)
addfname(expdir);
else {
if (dp->d_type != DT_UNKNOWN &&
dp->d_type != DT_DIR &&
dp->d_type != DT_LNK)
continue;
if (enddir + namlen + 2 > expdir_end)
continue;
enddir[namlen] = '/';
enddir[namlen + 1] = '\0';
expmeta(enddir + namlen + 1, endname);
}
}
}
closedir(dirp);
if (! atend)
endname[-esc - 1] = esc ? CTLESC : '/';
}
STATIC void
expmeta(shinstance *psh, char *enddir, char *name)
{
char *p;
const char *cp;
char *q;
char *start;
char *endname;
int metaflag;
struct stat statb;
shdir *dirp;
shdirent *dp;
int atend;
int matchdot;
metaflag = 0;
start = name;
for (p = name ; ; p++) {
if (*p == '*' || *p == '?')
metaflag = 1;
else if (*p == '[') {
q = p + 1;
if (*q == '!')
q++;
for (;;) {
while (*q == CTLQUOTEMARK)
q++;
if (*q == CTLESC)
q++;
if (*q == '/' || *q == '\0')
break;
if (*++q == ']') {
metaflag = 1;
break;
}
}
} else if (*p == '!' && p[1] == '!' && (p == name || p[-1] == '/')) {
metaflag = 1;
} else if (*p == '\0')
break;
else if (*p == CTLQUOTEMARK)
continue;
else if (*p == CTLESC)
p++;
if (*p == '/') {
if (metaflag)
break;
start = p + 1;
}
}
if (metaflag == 0) { /* we've reached the end of the file name */
if (enddir != psh->expdir)
metaflag++;
for (p = name ; ; p++) {
if (*p == CTLQUOTEMARK)
continue;
if (*p == CTLESC)
p++;
*enddir++ = *p;
if (*p == '\0')
break;
}
if (metaflag == 0 || shfile_lstat(&psh->fdtab, psh->expdir, &statb) >= 0)
addfname(psh, psh->expdir);
TRACE2((psh, "expandarg: return #1 (metaflag=%d)\n", metaflag));
return;
}
endname = p;
if (start != name) {
p = name;
while (p < start) {
while (*p == CTLQUOTEMARK)
p++;
if (*p == CTLESC)
p++;
*enddir++ = *p++;
}
}
if (enddir == psh->expdir) {
cp = ".";
} else if (enddir == psh->expdir + 1 && *psh->expdir == '/') {
cp = "/";
} else {
cp = psh->expdir;
enddir[-1] = '\0';
}
if ((dirp = shfile_opendir(&psh->fdtab, cp)) == NULL) {
TRACE2((psh, "expandarg: return #2 (shfile_opendir(,%s) failed)\n", cp));
return;
}
if (enddir != psh->expdir)
enddir[-1] = '/';
if (*endname == 0) {
atend = 1;
} else {
atend = 0;
*endname++ = '\0';
}
matchdot = 0;
p = start;
while (*p == CTLQUOTEMARK)
p++;
if (*p == CTLESC)
p++;
if (*p == '.')
matchdot++;
while (! int_pending() && (dp = shfile_readdir(dirp)) != NULL) {
if (dp->name[0] == '.' && ! matchdot)
continue;
if (patmatch(psh, start, dp->name, 0)) {
if (atend) {
scopy(dp->name, enddir);
addfname(psh, psh->expdir);
} else {
for (p = enddir, cp = dp->name;
(*p++ = *cp++) != '\0';)
continue;
p[-1] = '/';
expmeta(psh, p, endname);
}
}
}
shfile_closedir(dirp);
if (! atend)
endname[-1] = '/';
}
STATIC void
expmeta(char *enddir, char *name)
{
char *p;
const char *cp;
char *q;
char *start;
char *endname;
int metaflag;
struct stat statb;
DIR *dirp;
struct dirent *dp;
int atend;
int matchdot;
metaflag = 0;
start = name;
for (p = name ; ; p++) {
if (*p == '*' || *p == '?')
metaflag = 1;
else if (*p == '[') {
q = p + 1;
if (*q == '!')
q++;
for (;;) {
while (*q == CTLQUOTEMARK)
q++;
if (*q == CTLESC)
q++;
if (*q == '/' || *q == '\0')
break;
if (*++q == ']') {
metaflag = 1;
break;
}
}
} else if (*p == '!' && p[1] == '!' && (p == name || p[-1] == '/')) {
metaflag = 1;
} else if (*p == '\0')
break;
else if (*p == CTLQUOTEMARK)
continue;
else if (*p == CTLESC)
p++;
if (*p == '/') {
if (metaflag)
break;
start = p + 1;
}
}
if (metaflag == 0) { /* we've reached the end of the file name */
if (enddir != expdir)
metaflag++;
for (p = name ; ; p++) {
if (*p == CTLQUOTEMARK)
continue;
if (*p == CTLESC)
p++;
*enddir++ = *p;
if (*p == '\0')
break;
}
if (metaflag == 0 || lstat(expdir, &statb) >= 0)
addfname(expdir);
return;
}
endname = p;
if (start != name) {
p = name;
while (p < start) {
while (*p == CTLQUOTEMARK)
p++;
if (*p == CTLESC)
p++;
*enddir++ = *p++;
}
}
if (enddir == expdir) {
cp = ".";
} else if (enddir == expdir + 1 && *expdir == '/') {
cp = "/";
} else {
cp = expdir;
enddir[-1] = '\0';
}
if ((dirp = opendir(cp)) == NULL)
return;
if (enddir != expdir)
enddir[-1] = '/';
if (*endname == 0) {
atend = 1;
} else {
atend = 0;
*endname++ = '\0';
}
matchdot = 0;
p = start;
while (*p == CTLQUOTEMARK)
p++;
if (*p == CTLESC)
p++;
if (*p == '.')
matchdot++;
while (! int_pending() && (dp = readdir(dirp)) != NULL) {
if (dp->d_name[0] == '.' && ! matchdot)
continue;
if (patmatch(start, dp->d_name, 0)) {
if (atend) {
scopy(dp->d_name, enddir);
addfname(expdir);
} else {
for (p = enddir, cp = dp->d_name;
(*p++ = *cp++) != '\0';)
continue;
p[-1] = '/';
expmeta(p, endname);
}
}
}
closedir(dirp);
if (! atend)
endname[-1] = '/';
}
