Created
July 21, 2018 01:29
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make a wrapper of glob file
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#include <glob.h> // glob(), globfree() | |
#include <string.h> // memset() | |
#include <vector> | |
#include <stdexcept> | |
#include <string> | |
#include <sstream> | |
std::vector<std::string> glob(const std::string& pattern) { | |
using namespace std; | |
// glob struct resides on the stack | |
glob_t glob_result; | |
memset(&glob_result, 0, sizeof(glob_result)); | |
// do the glob operation | |
int return_value = glob(pattern.c_str(), GLOB_TILDE, NULL, &glob_result); | |
if(return_value != 0) { | |
globfree(&glob_result); | |
stringstream ss; | |
ss << "glob() failed with return_value " << return_value << endl; | |
throw std::runtime_error(ss.str()); | |
} | |
// collect all the filenames into a std::list<std::string> | |
vector<string> filenames; | |
for(size_t i = 0; i < glob_result.gl_pathc; ++i) { | |
filenames.push_back(string(glob_result.gl_pathv[i])); | |
} | |
// cleanup | |
globfree(&glob_result); | |
// done | |
return filenames; | |
} |
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