mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-09-13 02:42:09 +02:00
Carter Li
102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
#include "fastfetch.h"
|
|
#include "common/io/io.h"
|
|
#include "common/thread.h"
|
|
#include "temps_linux.h"
|
|
|
|
#include <string.h>
|
|
#include <dirent.h>
|
|
|
|
static bool parseHwmonDir(FFstrbuf* dir, FFTempValue* value)
|
|
{
|
|
//https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface
|
|
uint32_t dirLength = dir->length;
|
|
|
|
FF_STRBUF_AUTO_DESTROY valueBuffer = ffStrbufCreate();
|
|
|
|
ffStrbufAppendS(dir, "temp1_input");
|
|
if(!ffReadFileBuffer(dir->chars, &valueBuffer))
|
|
return false;
|
|
|
|
ffStrbufSubstrBefore(dir, dirLength);
|
|
|
|
value->value = ffStrbufToDouble(&valueBuffer) / 1000; // valueBuffer is millidegree Celsius
|
|
|
|
if(value->value != value->value)
|
|
return false;
|
|
|
|
ffStrbufAppendS(dir, "name");
|
|
ffReadFileBuffer(dir->chars, &value->name);
|
|
ffStrbufTrimRightSpace(&value->name);
|
|
ffStrbufSubstrBefore(dir, dirLength);
|
|
|
|
ffStrbufAppendS(dir, "device/class");
|
|
if(!ffReadFileBuffer(dir->chars, &valueBuffer))
|
|
{
|
|
ffStrbufSubstrBefore(dir, dirLength);
|
|
ffStrbufAppendS(dir, "device/device/class");
|
|
ffReadFileBuffer(dir->chars, &valueBuffer);
|
|
}
|
|
ffStrbufTrimRightSpace(&valueBuffer);
|
|
ffStrbufSubstrBefore(dir, dirLength);
|
|
if(valueBuffer.length)
|
|
value->deviceClass = (uint32_t) strtoul(valueBuffer.chars, NULL, 16);
|
|
|
|
ffStrbufClear(&valueBuffer);
|
|
ffStrbufEnsureFree(&valueBuffer, 64);
|
|
ffStrbufAppendS(dir, "device");
|
|
ssize_t linkLen = readlink(dir->chars, valueBuffer.chars, valueBuffer.allocated - 1);
|
|
if (linkLen > 0)
|
|
{
|
|
valueBuffer.length = (uint32_t) linkLen;
|
|
valueBuffer.chars[linkLen] = 0;
|
|
ffStrbufSubstrAfterLastC(&valueBuffer, '/');
|
|
ffStrbufInitMove(&value->deviceName, &valueBuffer);
|
|
}
|
|
else
|
|
ffStrbufInit(&value->deviceName);
|
|
|
|
return value->name.length > 0 || value->deviceClass > 0;
|
|
}
|
|
|
|
const FFlist* ffDetectTemps(void)
|
|
{
|
|
static FFlist result;
|
|
|
|
if(result.elementSize > 0)
|
|
return &result;
|
|
|
|
ffListInitA(&result, sizeof(FFTempValue), 16);
|
|
|
|
FF_STRBUF_AUTO_DESTROY baseDir = ffStrbufCreateA(64);
|
|
ffStrbufAppendS(&baseDir, "/sys/class/hwmon/");
|
|
|
|
uint32_t baseDirLength = baseDir.length;
|
|
|
|
FF_AUTO_CLOSE_DIR DIR* dirp = opendir(baseDir.chars);
|
|
if(dirp == NULL)
|
|
return &result;
|
|
|
|
struct dirent* entry;
|
|
while((entry = readdir(dirp)) != NULL)
|
|
{
|
|
if(entry->d_name[0] == '.')
|
|
continue;
|
|
|
|
ffStrbufAppendS(&baseDir, entry->d_name);
|
|
ffStrbufAppendC(&baseDir, '/');
|
|
|
|
FFTempValue* temp = ffListAdd(&result);
|
|
ffStrbufInit(&temp->name);
|
|
temp->deviceClass = 0;
|
|
if(!parseHwmonDir(&baseDir, temp))
|
|
{
|
|
ffStrbufDestroy(&temp->name);
|
|
--result.length;
|
|
}
|
|
|
|
ffStrbufSubstrBefore(&baseDir, baseDirLength);
|
|
}
|
|
|
|
return &result;
|
|
}
|