fa07c10a17f8669ffc5790405d0e8e4ee5d381e7
2 * Copyright (c) 2018 Rob Clark <robdclark@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #include <sys/types.h>
36 static pid_t pager_pid
;
51 fprintf(stderr
, "Failed to create pager pipe: %m\n");
57 fprintf(stderr
, "Failed to fork pager: %m\n");
62 const char* less_opts
;
64 dup2(fd
[0], STDIN_FILENO
);
69 setenv("LESS", less_opts
, 1);
71 execlp("less", "less", NULL
);
74 /* we want to kill the parent process when pager exits: */
75 signal(SIGCHLD
, pager_death
);
76 dup2(fd
[1], STDOUT_FILENO
);
90 memset(&status
, 0, sizeof(status
));
91 if (waitid(P_PID
, pager_pid
, &status
, WEXITED
) < 0) {