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change platform::mkdir() to create entire path like "mkdir -p"

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update the documentation of the shell command to current state
and specifically explain the difference between built-in and
external commands and correct where built in commands were described
as calling external commands.
This commit is contained in:
Axel Kohlmeyer
2022-03-17 11:34:50 -04:00
parent b7ea33332f
commit 9dfb099197
5 changed files with 86 additions and 46 deletions
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22
src/platform.cpp
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@ -21,6 +21,7 @@
#include <mpi.h>
#include <exception>
#include <deque>
////////////////////////////////////////////////////////////////////////
// include system headers and tweak system settings
@ -752,16 +753,31 @@ int platform::chdir(const std::string &path)
}
/* ----------------------------------------------------------------------
Create a directory
Create a directory. Create entire path if necessary.
------------------------------------------------------------------------- */
int platform::mkdir(const std::string &path)
{
std::deque<std::string> dirlist = { path };
std::string dirname = path_dirname(path);
while ((dirname != ".") && (dirname != "")) {
dirlist.push_front(dirname);
dirname = path_dirname(dirname);
}
int rv;
for (const auto &dir : dirlist) {
if (!path_is_directory(dir)) {
#if defined(_WIN32)
return ::_mkdir(path.c_str());
rv = ::_mkdir(dir.c_str());
#else
return ::mkdir(path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP);
rv = ::mkdir(dir.c_str(), S_IRWXU | S_IRGRP | S_IXGRP);
#endif
if (rv != 0) return rv;
}
}
return 0;
}
/* ----------------------------------------------------------------------