ExtAPI.cpp File Reference

#include "Util/ExtAPI.h"
#include "Util/SVFUtil.h"
#include "Util/Options.h"
#include "Util/config.h"
#include <ostream>
#include <sys/stat.h>
#include "SVFIR/SVFVariables.h"
#include <dlfcn.h>

Go to the source code of this file.

Functions
static std::string	GetStdoutFromCommand (const std::string &command)
static std::string	getFilePath (const std::string &path)
std::string	getCurrentSOPath ()

Function Documentation

getCurrentSOPath()

std::string getCurrentSOPath

(

)

Definition at line 143 of file ExtAPI.cpp.

{
    Dl_info info;
    if (dladdr((void*)&getCurrentSOPath, &info) && info.dli_fname)
    {
        return std::string(info.dli_fname);
    }
    return "";
}

getFilePath()

static std::string getFilePath ( const std::string &  path )

static

Definition at line 102 of file ExtAPI.cpp.

{
    std::string bcFilePath;
 
    if (path == "SVF_DIR")
    {
        const char* svfdir = getenv("SVF_DIR");
        if (!svfdir)
            return "";
 
        bcFilePath = svfdir;
 
        if (!bcFilePath.empty() && bcFilePath.back() != '/')
            bcFilePath.push_back('/');
 
        bcFilePath.append(SVF_BUILD_TYPE "-build/lib/extapi.bc");
    }
    else if (path == "npm root")
    {
        // Check npm exists before calling `npm root`.
        // If npm is missing, this command returns empty.
        bcFilePath = GetStdoutFromCommand(
                         "command -v npm >/dev/null 2>&1 && npm root"
                     );
 
        if (bcFilePath.empty())
            return "";
 
        if (bcFilePath.back() != '/')
            bcFilePath.push_back('/');
 
        bcFilePath.append("SVF/lib/extapi.bc");
    }
 
    return bcFilePath;
}

GetStdoutFromCommand()

static std::string GetStdoutFromCommand ( const std::string &  command )

static

Definition at line 76 of file ExtAPI.cpp.

{
    char buffer[128];
    std::string result;
 
    FILE* pipe = popen(command.c_str(), "r");
    if (!pipe)
        return "";
 
    while (fgets(buffer, sizeof(buffer), pipe) != nullptr)
    {
        result += buffer;
    }
 
    int status = pclose(pipe);
    if (status != 0)
        return "";
 
    // remove trailing newlines
    result.erase(std::remove(result.begin(), result.end(), '\n'), result.end());
    result.erase(std::remove(result.begin(), result.end(), '\r'), result.end());
 
    return result;
}