* Steve Reinhardt
*/
-#define USE_CPP
-
-#ifdef USE_CPP
-#include <sys/signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-
-#include <libgen.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#endif
-
#include <fstream>
#include <iostream>
-
#include <vector>
#include <string>
}
}
-
-#ifdef USE_CPP
-bool
-IniFile::loadCPP(const string &file, vector<char *> &cppArgs)
-{
- // Open the file just to verify that we can. Otherwise if the
- // file doesn't exist or has bad permissions the user will get
- // confusing errors from cpp/g++.
- ifstream tmpf(file.c_str());
-
- if (!tmpf.is_open())
- return false;
-
- tmpf.close();
-
- char *cfile = strncpy(new char[file.size() + 1], file.c_str(),
- file.size());
- char *dir = dirname(cfile);
- char *dir_arg = NULL;
- if (*dir != '.') {
- string arg = "-I";
- arg += dir;
-
- dir_arg = new char[arg.size() + 1];
- strncpy(dir_arg, arg.c_str(), arg.size());
- }
-
- delete [] cfile;
-
- char tempfile[] = "/tmp/configXXXXXX";
- int tmp_fd = mkstemp(tempfile);
-
- int pid = fork();
-
- if (pid == -1)
- return false;
-
- if (pid == 0) {
- char filename[FILENAME_MAX];
- string::size_type i = file.copy(filename, sizeof(filename) - 1);
- filename[i] = '\0';
-
- int arg_count = cppArgs.size();
-
- const char **args = new const char *[arg_count + 20];
-
- int nextArg = 0;
- args[nextArg++] = "g++";
- args[nextArg++] = "-E";
- args[nextArg++] = "-P";
- args[nextArg++] = "-nostdinc";
- args[nextArg++] = "-nostdinc++";
- args[nextArg++] = "-x";
- args[nextArg++] = "c++";
- args[nextArg++] = "-undef";
-
- for (int i = 0; i < arg_count; i++)
- args[nextArg++] = cppArgs[i];
-
- if (dir_arg)
- args[nextArg++] = dir_arg;
-
- args[nextArg++] = filename;
- args[nextArg++] = NULL;
-
- close(STDOUT_FILENO);
- if (dup2(tmp_fd, STDOUT_FILENO) == -1)
- exit(1);
-
- // execvp signature is intentionally broken wrt const-ness for
- // backwards compatibility... see man page
- execvp("g++", const_cast<char * const *>(args));
-
- exit(0);
- }
-
- int retval;
- waitpid(pid, &retval, 0);
-
- delete [] dir_arg;
-
- // check for normal completion of CPP
- if (!WIFEXITED(retval) || WEXITSTATUS(retval) != 0)
- return false;
-
- close(tmp_fd);
-
- bool status = false;
-
- status = load(tempfile);
-
- unlink(tempfile);
-
- return status;
-}
-#endif
-
bool
IniFile::load(const string &file)
{
/// @retval True if successful, false if errors were encountered.
bool load(std::istream &f);
- /// Load the specified file, passing it through the C preprocessor.
- /// Parameter settings found in the file will be merged with any
- /// already defined in this object.
- /// @param file The path of the file to load.
- /// @param cppFlags Vector of extra flags to pass to cpp.
- /// @retval True if successful, false if errors were encountered.
- bool loadCPP(const std::string &file, std::vector<char *> &cppFlags);
-
/// Load the specified file.
/// Parameter settings found in the file will be merged with any
/// already defined in this object.