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Add os.system()

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This commit is contained in:
K. Lange 2021-01-22 21:16:03 +09:00
parent 4bf326ea1d
commit a02a989ff2
1 changed files with 9 additions and 2 deletions
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11
src/module_os.c
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@ -24,7 +24,7 @@ extern char ** environ;
/** /**
* system.uname() * system.uname()
*/ */
static KrkValue krk_uname(int argc, KrkValue argv[]) { static KrkValue _os_uname(int argc, KrkValue argv[]) {
#ifndef _WIN32 #ifndef _WIN32
struct utsname buf; struct utsname buf;
if (uname(&buf) < 0) return NONE_VAL(); if (uname(&buf) < 0) return NONE_VAL();
@ -167,13 +167,20 @@ static void _loadEnviron(KrkInstance * module) {
} }
static KrkValue _os_system(int argc, KrkValue argv[]) {
if (argc != 1 || !IS_STRING(argv[0])) return krk_runtimeError(vm.exceptions.typeError, "system() expects one string argument");
return INTEGER_VAL(system(AS_CSTRING(argv[0])));
}
KrkValue krk_module_onload_os(void) { KrkValue krk_module_onload_os(void) {
KrkInstance * module = krk_newInstance(vm.moduleClass); KrkInstance * module = krk_newInstance(vm.moduleClass);
/* Store it on the stack for now so we can do stuff that may trip GC /* Store it on the stack for now so we can do stuff that may trip GC
* and not lose it to garbage colletion... */ * and not lose it to garbage colletion... */
krk_push(OBJECT_VAL(module)); krk_push(OBJECT_VAL(module));
krk_defineNative(&module->fields, "uname", krk_uname); krk_defineNative(&module->fields, "uname", _os_uname);
krk_defineNative(&module->fields, "system", _os_system);
_loadEnviron(module); _loadEnviron(module);