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path: root/vendor/modernc.org/libc/mem_musl.go
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Diffstat (limited to 'vendor/modernc.org/libc/mem_musl.go')
-rw-r--r--vendor/modernc.org/libc/mem_musl.go151
1 files changed, 0 insertions, 151 deletions
diff --git a/vendor/modernc.org/libc/mem_musl.go b/vendor/modernc.org/libc/mem_musl.go
deleted file mode 100644
index 1d43cff1e..000000000
--- a/vendor/modernc.org/libc/mem_musl.go
+++ /dev/null
@@ -1,151 +0,0 @@
-// Copyright 2023 The Libc Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !libc.membrk && !libc.memgrind && linux && (amd64 || arm64 || loong64 || ppc64le || s390x || riscv64 || 386 || arm)
-
-package libc // import "modernc.org/libc"
-
-import (
- "math"
- mbits "math/bits"
-
- "modernc.org/memory"
-)
-
-const (
- isMemBrk = false
-)
-
-func Xmalloc(tls *TLS, n Tsize_t) (r uintptr) {
- if __ccgo_strace {
- trc("tls=%v n=%v, (%v:)", tls, n, origin(2))
- defer func() { trc("-> %v", r) }()
- }
- if n > math.MaxInt {
- tls.setErrno(ENOMEM)
- return 0
- }
-
- allocatorMu.Lock()
-
- defer allocatorMu.Unlock()
-
- if n == 0 {
- // malloc(0) should return unique pointers
- // (often expected and gnulib replaces malloc if malloc(0) returns 0)
- n = 1
- }
- var err error
- if r, err = allocator.UintptrMalloc(int(n)); err != nil {
- r = 0
- tls.setErrno(ENOMEM)
- }
- return r
-}
-
-func Xcalloc(tls *TLS, m Tsize_t, n Tsize_t) (r uintptr) {
- if __ccgo_strace {
- trc("tls=%v m=%v n=%v, (%v:)", tls, m, n, origin(2))
- defer func() { trc("-> %v", r) }()
- }
- hi, rq := mbits.Mul(uint(m), uint(n))
- if hi != 0 || rq > math.MaxInt {
- tls.setErrno(ENOMEM)
- return 0
- }
-
- allocatorMu.Lock()
-
- defer allocatorMu.Unlock()
-
- if rq == 0 {
- rq = 1
- }
-
- var err error
- if r, err = allocator.UintptrCalloc(int(rq)); err != nil {
- r = 0
- tls.setErrno(ENOMEM)
- }
- return r
-}
-
-func Xrealloc(tls *TLS, p uintptr, n Tsize_t) (r uintptr) {
- if __ccgo_strace {
- trc("tls=%v p=%v n=%v, (%v:)", tls, p, n, origin(2))
- defer func() { trc("-> %v", r) }()
- }
- allocatorMu.Lock()
-
- defer allocatorMu.Unlock()
-
- var err error
- if r, err = allocator.UintptrRealloc(p, int(n)); err != nil {
- r = 0
- tls.setErrno(ENOMEM)
- }
- return r
-}
-
-func Xfree(tls *TLS, p uintptr) {
- if __ccgo_strace {
- trc("tls=%v p=%v, (%v:)", tls, p, origin(2))
- }
- allocatorMu.Lock()
-
- defer allocatorMu.Unlock()
-
- allocator.UintptrFree(p)
-}
-
-func Xmalloc_usable_size(tls *TLS, p uintptr) (r Tsize_t) {
- if __ccgo_strace {
- trc("tls=%v p=%v, (%v:)", tls, p, origin(2))
- defer func() { trc("-> %v", r) }()
- }
- if p == 0 {
- return 0
- }
-
- allocatorMu.Lock()
-
- defer allocatorMu.Unlock()
-
- return Tsize_t(memory.UintptrUsableSize(p))
-}
-
-func MemAudit() (r []*MemAuditError) {
- return nil
-}
-
-func UsableSize(p uintptr) Tsize_t {
- allocatorMu.Lock()
-
- defer allocatorMu.Unlock()
-
- return Tsize_t(memory.UintptrUsableSize(p))
-}
-
-// MemAuditStart locks the memory allocator, initializes and enables memory
-// auditing. Finaly it unlocks the memory allocator.
-//
-// Some memory handling errors, like double free or freeing of unallocated
-// memory, will panic when memory auditing is enabled.
-//
-// This memory auditing functionality has to be enabled using the libc.memgrind
-// build tag.
-//
-// It is intended only for debug/test builds. It slows down memory allocation
-// routines and it has additional memory costs.
-func MemAuditStart() {}
-
-// MemAuditReport locks the memory allocator, reports memory leaks, if any.
-// Finally it disables memory auditing and unlocks the memory allocator.
-//
-// This memory auditing functionality has to be enabled using the libc.memgrind
-// build tag.
-//
-// It is intended only for debug/test builds. It slows down memory allocation
-// routines and it has additional memory costs.
-func MemAuditReport() error { return nil }