This commit is contained in:
Jeroen van Rijn
2025-06-16 20:39:19 +02:00
parent 73dcc39d98
commit b9809e7aa4

View File

@@ -787,9 +787,10 @@ access :: proc(path: string, mask: int) -> (bool, Error) {
}
@(require_results)
lookup_env :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {
lookup_env_alloc :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD(ignore = context.temp_allocator == allocator)
path_str := strings.clone_to_cstring(key, context.temp_allocator)
// NOTE(tetra): Lifetime of 'cstr' is unclear, but _unix_free(cstr) segfaults.
cstr := _unix_getenv(path_str)
if cstr == nil {
return "", false
@@ -798,11 +799,39 @@ lookup_env :: proc(key: string, allocator := context.allocator) -> (value: strin
}
@(require_results)
get_env :: proc(key: string, allocator := context.allocator) -> (value: string) {
lookup_env_buffer :: proc(buf: []u8, key: string) -> (value: string, err: Error) {
if len(key) + 1 > len(buf) {
return "", .Buffer_Full
} else {
copy(buf, key)
}
if value = string(_unix_getenv(cstring(raw_data(buf)))); value == "" {
return "", .Env_Var_Not_Found
} else {
if len(value) > len(buf) {
return "", .Buffer_Full
} else {
copy(buf, value)
return string(buf[:len(value)]), nil
}
}
}
lookup_env :: proc{lookup_env_alloc, lookup_env_buffer}
@(require_results)
get_env_alloc :: proc(key: string, allocator := context.allocator) -> (value: string) {
value, _ = lookup_env(key, allocator)
return
}
@(require_results)
get_env_buf :: proc(buf: []u8, key: string) -> (value: string) {
value, _ = lookup_env(buf, key)
return
}
get_env :: proc{get_env_alloc, get_env_buf}
@(require_results)
get_current_directory :: proc(allocator := context.allocator) -> string {
context.allocator = allocator