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|
package libc
// 7.22 General utilities
when ODIN_OS == .Windows {
foreign import libc "system:libucrt.lib"
} else when ODIN_OS == .Darwin {
foreign import libc "system:System.framework"
} else {
foreign import libc "system:c"
}
@(require)
import "base:runtime"
when ODIN_OS == .Windows {
RAND_MAX :: 0x7fff
@(private="file")
@(default_calling_convention="c")
foreign libc {
___mb_cur_max_func :: proc() -> int ---
}
MB_CUR_MAX :: #force_inline proc() -> size_t {
return size_t(___mb_cur_max_func())
}
}
when ODIN_OS == .Linux {
RAND_MAX :: 0x7fffffff
// GLIBC and MUSL only
@(private="file")
@(default_calling_convention="c")
foreign libc {
__ctype_get_mb_cur_max :: proc() -> size_t ---
}
MB_CUR_MAX :: #force_inline proc() -> size_t {
return size_t(__ctype_get_mb_cur_max())
}
}
when ODIN_OS == .Haiku {
RAND_MAX :: 0x7fffffff
// GLIBC and MUSL only
@(private="file")
@(default_calling_convention="c")
foreign libc {
__ctype_get_mb_cur_max :: proc() -> ushort ---
}
MB_CUR_MAX :: #force_inline proc() -> size_t {
return size_t(__ctype_get_mb_cur_max())
}
}
when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD {
RAND_MAX :: 0x7fffffff
@(private="file")
@(default_calling_convention="c")
foreign libc {
___mb_cur_max :: proc() -> int ---
}
MB_CUR_MAX :: #force_inline proc() -> size_t {
return size_t(___mb_cur_max())
}
}
when ODIN_OS == .NetBSD {
RAND_MAX :: 0x7fffffff
@(private="file")
@(default_calling_convention="c")
foreign libc {
__mb_cur_max: size_t
}
MB_CUR_MAX :: #force_inline proc() -> size_t {
return __mb_cur_max
}
}
// C does not declare what these values should be, as an implementation is free
// to use any two distinct values it wants to indicate success or failure.
// However, nobody actually does and everyone appears to have agreed upon these
// values.
EXIT_SUCCESS :: 0
EXIT_FAILURE :: 1
// C does not declare which order 'quot' and 'rem' should be for the divide
// structures. An implementation could put 'rem' first. However, nobody actually
// does and everyone appears to have agreed upon this layout.
div_t :: struct { quot, rem: int, }
ldiv_t :: struct { quot, rem: long, }
lldiv_t :: struct { quot, rem: longlong, }
@(default_calling_convention="c")
foreign libc {
// 7.22.1 Numeric conversion functions
atof :: proc(nptr: cstring) -> double ---
atoi :: proc(nptr: cstring) -> int ---
atol :: proc(nptr: cstring) -> long ---
atoll :: proc(nptr: cstring) -> longlong ---
strtod :: proc(nptr: cstring, endptr: ^[^]char) -> double ---
strtof :: proc(nptr: cstring, endptr: ^[^]char) -> float ---
strtol :: proc(nptr: cstring, endptr: ^[^]char, base: int) -> long ---
strtoll :: proc(nptr: cstring, endptr: ^[^]char, base: int) -> longlong ---
strtoul :: proc(nptr: cstring, endptr: ^[^]char, base: int) -> ulong ---
strtoull :: proc(nptr: cstring, endptr: ^[^]char, base: int) -> ulonglong ---
// 7.22.2 Pseudo-random sequence generation functions
rand :: proc() -> int ---
srand :: proc(seed: uint) ---
// 7.22.3 Memory management functions
calloc :: proc(nmemb, size: size_t) -> rawptr ---
free :: proc(ptr: rawptr) ---
malloc :: proc(size: size_t) -> rawptr ---
realloc :: proc(ptr: rawptr, size: size_t) -> rawptr ---
// 7.22.4 Communication with the environment
abort :: proc() -> ! ---
atexit :: proc(func: proc "c" ()) -> int ---
at_quick_exit :: proc(func: proc "c" ()) -> int ---
exit :: proc(status: int) -> ! ---
_Exit :: proc(status: int) -> ! ---
getenv :: proc(name: cstring) -> cstring ---
quick_exit :: proc(status: int) -> ! ---
system :: proc(cmd: cstring) -> int ---
// 7.22.5 Searching and sorting utilities
bsearch :: proc(key, base: rawptr, nmemb, size: size_t, compar: proc "c" (lhs, rhs: rawptr) -> int) -> rawptr ---
qsort :: proc(base: rawptr, nmemb, size: size_t, compar: proc "c" (lhs, rhs: rawptr) -> int) ---
// 7.22.6 Integer arithmetic functions
abs :: proc(j: int) -> int ---
labs :: proc(j: long) -> long ---
llabs :: proc(j: longlong) -> longlong ---
div :: proc(numer, denom: int) -> div_t ---
ldiv :: proc(numer, denom: long) -> ldiv_t ---
lldiv :: proc(numer, denom: longlong) -> lldiv_t ---
// 7.22.7 Multibyte/wide character conversion functions
mblen :: proc(s: cstring, n: size_t) -> int ---
mbtowc :: proc(pwc: ^wchar_t, s: cstring, n: size_t) -> int ---
wctomb :: proc(s: [^]char, wc: wchar_t) -> int ---
// 7.22.8 Multibyte/wide string conversion functions
mbstowcs :: proc(pwcs: ^wchar_t, s: cstring, n: size_t) -> size_t ---
wcstombs :: proc(s: [^]char, pwcs: ^wchar_t, n: size_t) -> size_t ---
}
aligned_alloc :: #force_inline proc "c" (alignment, size: size_t) -> rawptr {
when ODIN_OS == .Windows {
foreign libc {
_aligned_malloc :: proc(size, alignment: size_t) -> rawptr ---
}
return _aligned_malloc(size=size, alignment=alignment)
} else when ODIN_ARCH == .wasm32 || ODIN_ARCH == .wasm64p32 {
context = runtime.default_context()
data, _ := runtime.mem_alloc_bytes(auto_cast size, auto_cast alignment)
return raw_data(data)
} else {
foreign libc {
aligned_alloc :: proc(alignment, size: size_t) -> rawptr ---
}
return aligned_alloc(alignment=alignment, size=size)
}
}
aligned_free :: #force_inline proc "c" (ptr: rawptr) {
when ODIN_OS == .Windows {
foreign libc {
_aligned_free :: proc(ptr: rawptr) ---
}
_aligned_free(ptr)
} else when ODIN_ARCH == .wasm32 || ODIN_ARCH == .wasm64p32 {
context = runtime.default_context()
runtime.mem_free(ptr)
} else {
free(ptr)
}
}
|
