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use _PATH_DEFPATH if $PATH is null.

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This commit is contained in:
Kelvin Sherlock
2016-02-22 12:02:27 -05:00
parent 56b0c93fd7
commit fafb08b90a
1 changed files with 4 additions and 2 deletions
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6
mpw-shell.cpp
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@@ -28,6 +28,7 @@
#include <sys/types.h> #include <sys/types.h>
#include <pwd.h> #include <pwd.h>
#include <sysexits.h> #include <sysexits.h>
#include <paths.h>
namespace fs = filesystem; namespace fs = filesystem;
@@ -368,8 +369,9 @@ fs::path mpw_path() {
if (path.empty()) { if (path.empty()) {
std::error_code ec; std::error_code ec;
const char *cp = getenv("PATH");
std::string s(getenv("PATH")); if (!cp) cp = _PATH_DEFPATH;
std::string s(cp);
string_splitter ss(s, ':'); string_splitter ss(s, ':');
for (; ss; ++ss) { for (; ss; ++ss) {
if (ss->empty()) continue; if (ss->empty()) continue;