diff options
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | suspend.c | 134 |
2 files changed, 0 insertions, 135 deletions
diff --git a/Makefile b/Makefile index 532622c..e3abe5e 100644 --- a/Makefile +++ b/Makefile @@ -4,7 +4,6 @@ SCRIPTS= 1 2 3 ctrlaltdel all: $(CC) $(CFLAGS) halt.c -o halt $(CC) $(CFLAGS) pause.c -o pause - $(CC) $(CFLAGS) suspend.c -o suspend install: install -d ${DESTDIR}/${PREFIX}/bin diff --git a/suspend.c b/suspend.c deleted file mode 100644 index 7522578..0000000 --- a/suspend.c +++ /dev/null @@ -1,134 +0,0 @@ -/*- - * Copyright (c) 2014 Juan Romero Pardines. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <stdio.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.h> -#include <limits.h> -#include <getopt.h> - -#define SYS_STATE "/sys/power/state" -#define SYS_DISK "/sys/power/disk" - -#define MODE_RAM 0x1 -#define MODE_DISK 0x2 - -static void -usage(bool fail) -{ - fprintf(stdout, - "Usage: suspend [OPTIONS]\n\n" - "OPTIONS\n" - " -s --show Show supported modes\n" - " -h --help Show usage\n" - " -H --hibernate Hibernate rather than suspend-to-ram\n\n"); - exit(fail ? EXIT_FAILURE : EXIT_SUCCESS); -} - -static int -getmodes(void) -{ - FILE *f; - char v[LINE_MAX]; - int mode = 0; - - if ((f = fopen(SYS_STATE, "r"))) { - fgets(v, sizeof(v), f); - fclose(f); - if (strstr(v, "mem")) - mode |= MODE_RAM; - if (strstr(v, "disk")) - mode |= MODE_DISK; - } - return mode; -} - -static void -writemode(int mode) -{ - FILE *f; - - if ((f = fopen("/sys/power/state", "w")) == NULL) { - perror("cannot open /sys/power/state"); - exit(EXIT_FAILURE); - } - if (mode & MODE_RAM) { - fputs("mem", f); - } else { - fputs("disk", f); - } - fclose(f); -} - -int -main(int argc, char **argv) -{ - const char *shortopts = "shH"; - const struct option longopts[] = { - { "show", no_argument, NULL, 's' }, - { "help", no_argument, NULL, 'h' }, - { "hibernate", no_argument, NULL, 'H' }, - { NULL, 0, NULL, 0 } - }; - int c, modes = 0; - bool show = false, hibernate = false; - - while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) { - switch (c) { - case 's': - show = true; - break; - case 'h': - usage(false); - /* NOTREACHED */ - case 'H': - hibernate = true; - break; - case '?': - default: - usage(true); - /* NOTREACHED */ - } - } - argc -= optind; - argv += optind; - - if (show) { - modes = getmodes(); - if (modes & MODE_RAM) - printf("suspend-to-ram "); - if (modes & MODE_DISK) - printf("suspend-to-disk "); - - printf("\n"); - } else if (hibernate) { - writemode(MODE_DISK); - } else { - writemode(MODE_RAM); - } - - exit(EXIT_SUCCESS); -} |