/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2022 Justine Alexandra Roberts Tunney │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/calls/calls.h" #include "libc/calls/struct/sigaction.h" #include "libc/dce.h" #include "libc/fmt/fmt.h" #include "libc/runtime/runtime.h" #include "libc/stdio/stdio.h" #include "libc/sysv/consts/sig.h" #include "libc/testlib/testlib.h" FILE *f; char buf[32]; char testlib_enable_tmp_setup_teardown; TEST(popen, command) { char foo[6]; testlib_extract("/zip/echo.com", "echo.com", 0755); ASSERT_NE(NULL, (f = popen("./echo.com hello", "r"))); ASSERT_NE(NULL, fgets(foo, sizeof(foo), f)); ASSERT_STREQ("hello", foo); ASSERT_EQ(0, pclose(f)); } TEST(popen, semicolon) { ASSERT_NE(NULL, (f = popen("echo hello;echo there", "r"))); ASSERT_STREQ("hello\n", fgets(buf, sizeof(buf), f)); ASSERT_STREQ("there\n", fgets(buf, sizeof(buf), f)); ASSERT_EQ(0, pclose(f)); } TEST(popen, singleQuotes) { setenv("there", "a b c", true); ASSERT_NE(NULL, (f = popen("echo -l 'hello $there' yo", "r"))); ASSERT_STREQ("hello $there\n", fgets(buf, sizeof(buf), f)); ASSERT_STREQ("yo\n", fgets(buf, sizeof(buf), f)); ASSERT_EQ(0, pclose(f)); } TEST(popen, doubleQuotes) { setenv("hello", "a b c", true); ASSERT_NE(NULL, (f = popen("echo -l \"$hello there\"", "r"))); ASSERT_STREQ("a b c there\n", fgets(buf, sizeof(buf), f)); ASSERT_EQ(0, pclose(f)); } TEST(popen, quoteless) { setenv("there", "a b c", true); ASSERT_NE(NULL, (f = popen("echo -l hello a$there yo", "r"))); ASSERT_STREQ("hello\n", fgets(buf, sizeof(buf), f)); ASSERT_STREQ("aa b c\n", fgets(buf, sizeof(buf), f)); // mixed feelings ASSERT_STREQ("yo\n", fgets(buf, sizeof(buf), f)); ASSERT_EQ(0, pclose(f)); } TEST(popen, pipe) { setenv("there", "a b c", true); ASSERT_NE(NULL, (f = popen("echo hello | toupper", "r"))); ASSERT_STREQ("HELLO\n", fgets(buf, sizeof(buf), f)); ASSERT_EQ(0, pclose(f)); } sig_atomic_t gotsig; void OnSig(int sig) { gotsig = 1; } TEST(popen, complicated) { if (IsWindows()) return; // windows treats sigusr1 as terminate char cmd[64]; signal(SIGUSR1, OnSig); sprintf(cmd, "read a ; test \"x$a\" = xhello && kill -USR1 %d", getpid()); ASSERT_NE(NULL, (f = popen(cmd, "w"))); ASSERT_GE(fputs("hello", f), 0); ASSERT_EQ(0, pclose(f)); ASSERT_EQ(1, gotsig); signal(SIGUSR1, SIG_DFL); }