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core: rt/core: impl os::env() in rust ref #4812

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This commit is contained in:
Jeff Olson
2013-02-14 22:16:53 -08:00
committed by Brian Anderson
parent 4bc26ce575
commit 53db6c7e2a
4 changed files with 196 additions and 40 deletions
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35
src/rt/rust_builtin.cpp
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@@ -53,44 +53,17 @@ timegm(struct tm *tm)
#endif
#if defined(__WIN32__)
extern "C" CDECL rust_vec_box *
extern "C" CDECL char**
rust_env_pairs() {
rust_task *task = rust_get_current_task();
size_t envc = 0;
LPTCH ch = GetEnvironmentStringsA();
LPTCH c;
for (c = ch; *c; c += strlen(c) + 1) {
++envc;
}
c = ch;
rust_vec_box *v = (rust_vec_box *)
task->kernel->malloc(vec_size<rust_vec_box*>(envc),
"str vec interior");
v->body.fill = v->body.alloc = sizeof(rust_vec*) * envc;
for (size_t i = 0; i < envc; ++i) {
size_t n = strlen(c);
rust_str *str = make_str(task->kernel, c, n, "str");
((rust_str**)&v->body.data)[i] = str;
c += n + 1;
}
if (ch) {
FreeEnvironmentStrings(ch);
}
return v;
return 0;
}
#else
extern "C" CDECL rust_vec_box *
extern "C" CDECL char**
rust_env_pairs() {
rust_task *task = rust_get_current_task();
#ifdef __APPLE__
char **environ = *_NSGetEnviron();
#endif
char **e = environ;
size_t envc = 0;
while (*e) {
++envc; ++e;
}
return make_str_vec(task->kernel, envc, environ);
return environ;
}
#endif