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Make $PATH search in SystemExec actually work

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Make searching of $PATH work when a SystemExec  is created from a
command-line, by making sure that argv[0] is set to the discovered path.
This commit is contained in:
Colin Fletcher 2014-07-03 18:30:47 +01:00
parent 5edca6c96e
commit c03034b7d6
1 changed files with 8 additions and 5 deletions
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13
libs/pbd/system_exec.cc
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@ -195,10 +195,13 @@ SystemExec::SystemExec (std::string command, const std::map<char, std::string> s
{
init ();
make_argp_escaped(command, subs);
if (!find_file (Searchpath (Glib::getenv ("PATH")), argp[0], cmd)) {
// not found in path - use as-is
cmd = argp[0];
if (find_file (Searchpath (Glib::getenv ("PATH")), argp[0], cmd)) {
// argp[0] exists in $PATH` - set it to the actual path where it was found
free (argp[0]);
argp[0] = strdup(cmd.c_str ());
}
// else argp[0] not found in path - leave it as-is, it might be an absolute path
// Glib::find_program_in_path () is only available in Glib >= 2.28
// cmd = Glib::find_program_in_path (argp[0]);
@ -281,13 +284,13 @@ SystemExec::~SystemExec ()
terminate ();
if (envp) {
for (int i=0;envp[i];++i) {
free(envp[i]);
free(envp[i]);
}
free (envp);
}
if (argp) {
for (int i=0;argp[i];++i) {
free(argp[i]);
free(argp[i]);
}
free (argp);
}