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mirror of https://github.com/termux/termux-packages.git synced 2024-11-27 05:08:56 +00:00
termux-packages/x11-packages/liblxqt/add_missing_wordexp.patch
2023-04-11 04:18:15 +09:00

264 lines
6.5 KiB
Diff

diff -uNr src/CMakeLists.txt src.mod/CMakeLists.txt
--- src/CMakeLists.txt 2021-05-21 08:58:40.268102000 +0000
+++ src.mod/CMakeLists.txt 2021-05-21 08:46:53.277571000 +0000
@@ -142,6 +142,8 @@
lxqtrotatedwidget.cpp
lxqtbacklight.cpp
lxqtbacklight/virtual_backend.cpp
+
+ wordexp.c
)
if (NOT APPLE)
diff -uNr src/wordexp.c src.mod/wordexp.c
--- src/wordexp.c 1970-01-01 00:00:00.000000000 +0000
+++ src.mod/wordexp.c 2021-05-21 08:58:23.662102000 +0000
@@ -0,0 +1,185 @@
+#define __USE_GNU
+// Copied from http://git.musl-libc.org/cgit/musl/plain/src/misc/wordexp.c
+// pthread-related lines are removed because they're missing on Android
+#include <wordexp.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <errno.h>
+#include <fcntl.h>
+
+static void reap(pid_t pid)
+{
+ int status;
+ while (waitpid(pid, &status, 0) < 0 && errno == EINTR);
+}
+
+static char *getword(FILE *f)
+{
+ char *s = 0;
+ return getdelim(&s, (size_t [1]){0}, 0, f) < 0 ? 0 : s;
+}
+
+static int do_wordexp(const char *s, wordexp_t *we, int flags)
+{
+ size_t i, l;
+ int sq=0, dq=0;
+ size_t np=0;
+ char *w, **tmp;
+ char *redir = (flags & WRDE_SHOWERR) ? "" : "2>/dev/null";
+ int err = 0;
+ FILE *f;
+ size_t wc = 0;
+ char **wv = 0;
+ int p[2];
+ pid_t pid;
+ sigset_t set;
+
+ if (flags & WRDE_REUSE) wordfree(we);
+
+ if (flags & WRDE_NOCMD) for (i=0; s[i]; i++) switch (s[i]) {
+ case '\\':
+ if (!sq && !s[++i]) return WRDE_SYNTAX;
+ break;
+ case '\'':
+ if (!dq) sq^=1;
+ break;
+ case '"':
+ if (!sq) dq^=1;
+ break;
+ case '(':
+ if (np) {
+ np++;
+ break;
+ }
+ case ')':
+ if (np) {
+ np--;
+ break;
+ }
+ case '\n':
+ case '|':
+ case '&':
+ case ';':
+ case '<':
+ case '>':
+ case '{':
+ case '}':
+ if (!(sq|dq|np)) return WRDE_BADCHAR;
+ break;
+ case '$':
+ if (sq) break;
+ if (s[i+1]=='(' && s[i+2]=='(') {
+ i += 2;
+ np += 2;
+ break;
+ } else if (s[i+1] != '(') break;
+ case '`':
+ if (sq) break;
+ return WRDE_CMDSUB;
+ }
+
+ if (flags & WRDE_APPEND) {
+ wc = we->we_wordc;
+ wv = we->we_wordv;
+ }
+
+ i = wc;
+ if (flags & WRDE_DOOFFS) {
+ if (we->we_offs > SIZE_MAX/sizeof(void *)/4)
+ goto nospace;
+ i += we->we_offs;
+ } else {
+ we->we_offs = 0;
+ }
+
+ if (pipe2(p, O_CLOEXEC) < 0) goto nospace;
+ pid = fork();
+ if (pid < 0) {
+ close(p[0]);
+ close(p[1]);
+ goto nospace;
+ }
+ if (!pid) {
+ if (p[1] == 1) fcntl(1, F_SETFD, 0);
+ else dup2(p[1], 1);
+ execl("/bin/sh", "sh", "-c",
+ "eval \"printf %s\\\\\\\\0 x $1 $2\"",
+ "sh", s, redir, (char *)0);
+ _exit(1);
+ }
+ close(p[1]);
+
+ f = fdopen(p[0], "r");
+ if (!f) {
+ close(p[0]);
+ kill(pid, SIGKILL);
+ reap(pid);
+ goto nospace;
+ }
+
+ l = wv ? i+1 : 0;
+
+ free(getword(f));
+ if (feof(f)) {
+ fclose(f);
+ reap(pid);
+ return WRDE_SYNTAX;
+ }
+
+ while ((w = getword(f))) {
+ if (i+1 >= l) {
+ l += l/2+10;
+ tmp = realloc(wv, l*sizeof(char *));
+ if (!tmp) break;
+ wv = tmp;
+ }
+ wv[i++] = w;
+ wv[i] = 0;
+ }
+ if (!feof(f)) err = WRDE_NOSPACE;
+
+ fclose(f);
+ reap(pid);
+
+ if (!wv) wv = calloc(i+1, sizeof *wv);
+
+ we->we_wordv = wv;
+ we->we_wordc = i;
+
+ if (flags & WRDE_DOOFFS) {
+ if (wv) for (i=we->we_offs; i; i--)
+ we->we_wordv[i-1] = 0;
+ we->we_wordc -= we->we_offs;
+ }
+ return err;
+
+nospace:
+ if (!(flags & WRDE_APPEND)) {
+ we->we_wordc = 0;
+ we->we_wordv = 0;
+ }
+ return WRDE_NOSPACE;
+}
+
+int wordexp(const char *restrict s, wordexp_t *restrict we, int flags)
+{
+ int r, cs;
+ r = do_wordexp(s, we, flags);
+ return r;
+}
+
+void wordfree(wordexp_t *we)
+{
+ size_t i;
+ if (!we->we_wordv) return;
+ for (i=0; i<we->we_wordc; i++) free(we->we_wordv[we->we_offs+i]);
+ free(we->we_wordv);
+ we->we_wordv = 0;
+ we->we_wordc = 0;
+}
diff -uNr src/wordexp.h src.mod/wordexp.h
--- src/wordexp.h 1970-01-01 00:00:00.000000000 +0000
+++ src.mod/wordexp.h 2021-05-21 08:58:53.085923000 +0000
@@ -0,0 +1,58 @@
+/* Copyright (C) 1991, 92, 1996-1999, 2001, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+#ifndef _WORDEXP_H
+#define _WORDEXP_H 1
+#include <features.h>
+#define __need_size_t
+#include <stddef.h>
+__BEGIN_DECLS
+/* Bits set in the FLAGS argument to `wordexp'. */
+enum
+ {
+ WRDE_DOOFFS = (1 << 0), /* Insert PWORDEXP->we_offs NULLs. */
+ WRDE_APPEND = (1 << 1), /* Append to results of a previous call. */
+ WRDE_NOCMD = (1 << 2), /* Don't do command substitution. */
+ WRDE_REUSE = (1 << 3), /* Reuse storage in PWORDEXP. */
+ WRDE_SHOWERR = (1 << 4), /* Don't redirect stderr to /dev/null. */
+ WRDE_UNDEF = (1 << 5), /* Error for expanding undefined variables. */
+ __WRDE_FLAGS = (WRDE_DOOFFS | WRDE_APPEND | WRDE_NOCMD |
+ WRDE_REUSE | WRDE_SHOWERR | WRDE_UNDEF)
+ };
+/* Structure describing a word-expansion run. */
+typedef struct
+ {
+ size_t we_wordc; /* Count of words matched. */
+ char **we_wordv; /* List of expanded words. */
+ size_t we_offs; /* Slots to reserve in `we_wordv'. */
+ } wordexp_t;
+/* Possible nonzero return values from `wordexp'. */
+enum
+ {
+#ifdef __USE_XOPEN
+ WRDE_NOSYS = -1, /* Never used since we support `wordexp'. */
+#endif
+ WRDE_NOSPACE = 1, /* Ran out of memory. */
+ WRDE_BADCHAR, /* A metachar appears in the wrong place. */
+ WRDE_BADVAL, /* Undefined var reference with WRDE_UNDEF. */
+ WRDE_CMDSUB, /* Command substitution with WRDE_NOCMD. */
+ WRDE_SYNTAX /* Shell syntax error. */
+ };
+/* Do word expansion of WORDS into PWORDEXP. */
+extern int wordexp (__const char *__restrict __words,
+ wordexp_t *__restrict __pwordexp, int __flags);
+/* Free the storage allocated by a `wordexp' call. */
+extern void wordfree (wordexp_t *__wordexp);
+__END_DECLS
+#endif /* wordexp.h */