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#include <cstdio>
#include <cstring>
#include <cerrno>
#include <cctype>
#include "utils.hpp"
int readint(const char* path)
{
FILE* f=fopen(path,"r");
if(!f)return LOG('W',"failed to open %s for reading: %d",path,errno),0;
char buf[16];
fgets(buf,16,f);
buf[15]=0;
fclose(f);
return atoi(buf);
}
float readfloat(const char* path)
{
FILE* f=fopen(path,"r");
if(!f)return LOG('W',"failed to open %s for reading: %d",path,errno),0;
char buf[16];
fgets(buf,16,f);
buf[15]=0;
fclose(f);
return atof(buf);
}
std::string readstr(const char* path)
{
FILE* f=fopen(path,"r");
if(!f)return LOG('W',"failed to open %s for reading: %d",path,errno),"";
char buf[256];
fgets(buf,256,f);
buf[255]=0;
fclose(f);
return std::string(buf);
}
void writeint(const char* path,int v)
{
FILE* f=fopen(path,"w");
if(!f){LOG('W',"failed to open %s for writing",path);return;}
fprintf(f,"%d",v);
fclose(f);
}
std::string trim(std::string s)
{
size_t st=0;
for(;st<s.length()&&isspace(s[st]);++st);
if(st==s.length())return "";
s=s.substr(st);
while(s.length()&&isspace(s.back()))s.pop_back();
return s;
}
void split(std::string s,char c,std::vector<std::string>& v)
{
v.clear();
for(size_t anch=0;;)
{
std::string sec;
if(s.find(c,anch)==std::string::npos)
sec=s.substr(anch);
else sec=s.substr(anch,s.find(c,anch)-anch);
v.push_back(sec);
if(s.find(c,anch)==std::string::npos)break;
anch=s.find(c,anch)+1;
}
}
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