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Apply clang format to files

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Also add brackets for all scopes at the same time
This commit is contained in:
Marc Di Luzio
2018-01-15 12:22:25 +00:00
parent ee1c51d0b0
commit 2bbaab129b
15 changed files with 378 additions and 357 deletions
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159
daemon/cpugovctl.c
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@@ -30,55 +30,57 @@ POSSIBILITY OF SUCH DAMAGE.
*/
#include "logging.h"
#include <sys/types.h>
#include <dirent.h>
#include <ctype.h>
#include <dirent.h>
#include <sys/types.h>
#define MAX_GOVERNORS 128
#define MAX_GOVERNOR_LENGTH PATH_MAX+1
#define MAX_GOVERNORS 128
#define MAX_GOVERNOR_LENGTH PATH_MAX + 1
// Governers are located at /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
static int fetch_governors( char governors[MAX_GOVERNORS][MAX_GOVERNOR_LENGTH] )
static int fetch_governors(char governors[MAX_GOVERNORS][MAX_GOVERNOR_LENGTH])
{
const char* cpu_base_path = "/sys/devices/system/cpu/";
DIR* dir = opendir( cpu_base_path );
if( !dir )
FATAL_ERRORNO( "cpu device path not found" );
const char *cpu_base_path = "/sys/devices/system/cpu/";
DIR *dir = opendir(cpu_base_path);
if (!dir) {
FATAL_ERRORNO("cpu device path not found");
}
int num_governors = 0;
// Explore the directory
struct dirent* ent;
while( ( ent = readdir(dir) ) && num_governors < MAX_GOVERNORS )
{
struct dirent *ent;
while ((ent = readdir(dir)) && num_governors < MAX_GOVERNORS) {
// CPU directories all start with "cpu"
if( strncmp( ent->d_name, "cpu", 3 ) == 0 )
{
if (strncmp(ent->d_name, "cpu", 3) == 0) {
// Check if this matches "cpu\d+"
const int len = strlen( ent->d_name );
if( len > 3 && len < 5
&& isdigit( ent->d_name[3] ) )
{
const int len = strlen(ent->d_name);
if (len > 3 && len < 5 && isdigit(ent->d_name[3])) {
// Construct the full path
char path[PATH_MAX] = {};
snprintf( path, sizeof(path), "%s%s/cpufreq/scaling_governor", cpu_base_path, ent->d_name );
snprintf(path,
sizeof(path),
"%s%s/cpufreq/scaling_governor",
cpu_base_path,
ent->d_name);
// Get the real path to the file
// Traditionally cpufreq symlinks to a policy directory that can be shared
// So let's prevent duplicates
// Traditionally cpufreq symlinks to a policy directory that can be
// shared So let's prevent duplicates
char fullpath[PATH_MAX] = {};
const char* ptr = realpath( path, fullpath );
if( fullpath != ptr )
const char *ptr = realpath(path, fullpath);
if (fullpath != ptr) {
continue;
// Only add if unique
for( int i = 0; i < num_governors; i++ )
{
if( strncmp( fullpath, governors[i], MAX_GOVERNOR_LENGTH ) == 0 )
continue;
}
strncpy( governors[num_governors], fullpath, MAX_GOVERNOR_LENGTH );
// Only add if unique
for (int i = 0; i < num_governors; i++) {
if (strncmp(fullpath, governors[i], MAX_GOVERNOR_LENGTH) == 0) {
continue;
}
}
strncpy(governors[num_governors], fullpath, MAX_GOVERNOR_LENGTH);
num_governors++;
}
}
@@ -89,102 +91,87 @@ static int fetch_governors( char governors[MAX_GOVERNORS][MAX_GOVERNOR_LENGTH] )
}
// Get the current governor state
const char* get_gov_state()
const char *get_gov_state()
{
// To be returned
static char governor[64] = {0};
static char governor[64] = { 0 };
// State of all the overnors
char governors[MAX_GOVERNORS][MAX_GOVERNOR_LENGTH] = {{0}};
int num = fetch_governors( governors );
char governors[MAX_GOVERNORS][MAX_GOVERNOR_LENGTH] = { { 0 } };
int num = fetch_governors(governors);
// Check the list
for( int i = 0; i < num; i++ )
{
const char* gov = governors[i];
for (int i = 0; i < num; i++) {
const char *gov = governors[i];
FILE* f = fopen( gov, "r" );
if( !f )
{
LOG_ERROR( "Failed to open file for read %s\n", gov );
FILE *f = fopen(gov, "r");
if (!f) {
LOG_ERROR("Failed to open file for read %s\n", gov);
continue;
}
// Pull out the file contents
fseek( f, 0, SEEK_END );
fseek(f, 0, SEEK_END);
int length = ftell(f);
fseek( f, 0, SEEK_SET );
fseek(f, 0, SEEK_SET);
char contents[length];
if( fread(contents, 1, length, f) > 0 )
{
if (fread(contents, 1, length, f) > 0) {
// Files have a newline
strtok(contents, "\n");
if( strlen(governor) > 0 && strncmp( governor, contents, 64 ) != 0 )
{
if (strlen(governor) > 0 && strncmp(governor, contents, 64) != 0) {
// Don't handle the mixed case, this shouldn't ever happen
// But it is a clear sign we shouldn't carry on
LOG_ERROR( "Governors malformed: got \"%s\", expected \"%s\"", contents, governor );
LOG_ERROR("Governors malformed: got \"%s\", expected \"%s\"", contents, governor);
return "malformed";
}
strncpy( governor, contents, sizeof(governor) );
}
else
{
LOG_ERROR( "Failed to read contents of %s\n", gov );
strncpy(governor, contents, sizeof(governor));
} else {
LOG_ERROR("Failed to read contents of %s\n", gov);
}
fclose( f );
fclose(f);
}
return governor;
}
// Sets all governors to a value
void set_gov_state( const char* value )
void set_gov_state(const char *value)
{
char governors[MAX_GOVERNORS][MAX_GOVERNOR_LENGTH] = {{0}};
int num = fetch_governors( governors );
char governors[MAX_GOVERNORS][MAX_GOVERNOR_LENGTH] = { { 0 } };
int num = fetch_governors(governors);
LOG_MSG( "Setting governors to %s\n", value );
for( int i = 0; i < num; i++ )
{
const char* gov = governors[i];
FILE* f = fopen( gov, "w" );
if( !f )
{
LOG_ERROR( "Failed to open file for write %s\n", gov );
LOG_MSG("Setting governors to %s\n", value);
for (int i = 0; i < num; i++) {
const char *gov = governors[i];
FILE *f = fopen(gov, "w");
if (!f) {
LOG_ERROR("Failed to open file for write %s\n", gov);
continue;
}
fprintf( f, "%s\n", value );
fclose( f );
fprintf(f, "%s\n", value);
fclose(f);
}
}
// Main entry point
int main( int argc, char *argv[] )
int main(int argc, char *argv[])
{
if( argc < 2 )
{
fprintf( stderr, "usage: cpugovctl [get] [set VALUE]\n" );
exit( EXIT_FAILURE );
if (argc < 2) {
fprintf(stderr, "usage: cpugovctl [get] [set VALUE]\n");
exit(EXIT_FAILURE);
}
if( strncmp( argv[1], "get", 3 ) == 0 )
{
printf( "%s", get_gov_state() );
}
else if( strncmp( argv[1], "set", 3 ) == 0 )
{
const char* value = argv[2];
set_gov_state( value );
}
else
{
exit( EXIT_FAILURE );
if (strncmp(argv[1], "get", 3) == 0) {
printf("%s", get_gov_state());
} else if (strncmp(argv[1], "set", 3) == 0) {
const char *value = argv[2];
set_gov_state(value);
} else {
exit(EXIT_FAILURE);
}
}