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If a system does not support setting the platform profile (i.e., does not have the file /sys/firmware/acpi/platform_profile), then everything that interacts with it is skipped to prevent errors. This situation is more common than I expected.[1] [1] https://github.com/FeralInteractive/gamemode/issues/524
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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Copyright (c) 2025, the GameMode contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Feral Interactive nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#define _GNU_SOURCE
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#include "common-profile.h"
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#include "common-logging.h"
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/**
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* Path for platform profile
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*/
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const char *profile_path = "/sys/firmware/acpi/platform_profile";
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/**
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* Check if platform profile file exists
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*/
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int profile_exists(void)
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{
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return !access(profile_path, F_OK);
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}
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/**
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* Return the current platform profile state
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*/
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const char *get_profile_state(void)
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{
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/* Persistent profile state */
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static char profile[64] = { 0 };
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memset(profile, 0, sizeof(profile));
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FILE *f = fopen(profile_path, "r");
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if (!f) {
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LOG_ERROR("Failed to open file for read %s\n", profile_path);
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return "none";
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}
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/* Grab the file length */
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fseek(f, 0, SEEK_END);
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long length = ftell(f);
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fseek(f, 0, SEEK_SET);
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if (length == -1) {
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LOG_ERROR("Failed to seek file %s\n", profile_path);
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} else {
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char contents[length + 1];
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if (fread(contents, 1, (size_t)length, f) > 0) {
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strtok(contents, "\n");
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strncpy(profile, contents, sizeof(profile) - 1);
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} else {
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LOG_ERROR("Failed to read contents of %s\n", profile_path);
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}
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}
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fclose(f);
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return profile;
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}
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