50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
|
#include <string>
|
||
|
|
#include <ostream>
|
||
|
|
|
||
|
|
#include "memory.h"
|
||
|
|
|
||
|
|
std::string mem_string( bool use_colors = false ) {
|
||
|
|
std::ostringstream oss;
|
||
|
|
|
||
|
|
unsigned int total_mem;
|
||
|
|
unsigned int used_mem;
|
||
|
|
unsigned int unused_mem;
|
||
|
|
|
||
|
|
size_t substrStart;
|
||
|
|
size_t substrLen;
|
||
|
|
|
||
|
|
std::ifstream meminfo_file( "/proc/meminfo" );
|
||
|
|
|
||
|
|
std::string mem_line;
|
||
|
|
|
||
|
|
getline( meminfo_file, mem_line );
|
||
|
|
substrStart = mem_line.find_first_of( ':' ) + 1;
|
||
|
|
substrLen = mem_line.find_first_of( 'k' );
|
||
|
|
total_mem = stoi(mem_line.substr(substrStart, substrLen);
|
||
|
|
|
||
|
|
used_mem = total_mem;
|
||
|
|
|
||
|
|
for( unsigned int i = 0; i < 3; i++ ) {
|
||
|
|
getline( meminfo_file, mem_line );
|
||
|
|
substrStart = mem_line.find_first_of( ':' ) + 1;
|
||
|
|
substrLen = mem_line.find_first_of( 'k' );
|
||
|
|
unused_mem = stoi(mem_line.substr(substrStart, substrLen);
|
||
|
|
used_mem -= unused_mem;
|
||
|
|
}
|
||
|
|
|
||
|
|
meminfo_file.close();
|
||
|
|
|
||
|
|
if( use_colors ) {
|
||
|
|
oss << mem_lut[(100 * used_mem) / total_mem];
|
||
|
|
}
|
||
|
|
|
||
|
|
oss << used_mem / 1024 << '/' << total_mem / 1024 << "MB";
|
||
|
|
|
||
|
|
if( use_colors ) {
|
||
|
|
oss << "#[fg=default,bg=default]";
|
||
|
|
}
|
||
|
|
|
||
|
|
return oss.str();
|
||
|
|
}
|
||
|
|
|