diff options
author | Emile <git@emile.space> | 2024-08-16 19:50:26 +0200 |
---|---|---|
committer | Emile <git@emile.space> | 2024-08-16 19:50:26 +0200 |
commit | 1a57267a17c2fc17fb6e104846fabc3e363c326c (patch) | |
tree | 1e574e3a80622086dc3c81ff9cba65ef7049b1a9 /vendor/modernc.org/libc/etc_musl.go |
initial commit
Diffstat (limited to 'vendor/modernc.org/libc/etc_musl.go')
-rw-r--r-- | vendor/modernc.org/libc/etc_musl.go | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/vendor/modernc.org/libc/etc_musl.go b/vendor/modernc.org/libc/etc_musl.go new file mode 100644 index 0000000..aee8c88 --- /dev/null +++ b/vendor/modernc.org/libc/etc_musl.go @@ -0,0 +1,69 @@ +// 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 linux && (amd64 || arm64 || loong64) + +package libc // import "modernc.org/libc" + +import ( + "fmt" + "os" + "path/filepath" + "runtime" + "strings" +) + +// origin returns caller's short position, skipping skip frames. +func origin(skip int) string { + pc, fn, fl, _ := runtime.Caller(skip) + f := runtime.FuncForPC(pc) + var fns string + if f != nil { + fns = f.Name() + if x := strings.LastIndex(fns, "."); x > 0 { + fns = fns[x+1:] + } + if strings.HasPrefix(fns, "func") { + num := true + for _, c := range fns[len("func"):] { + if c < '0' || c > '9' { + num = false + break + } + } + if num { + return origin(skip + 2) + } + } + } + return fmt.Sprintf("%s:%d:%s", filepath.Base(fn), fl, fns) +} + +// todo prints and return caller's position and an optional message tagged with TODO. Output goes to stderr. +func todo(s string, args ...interface{}) string { + switch { + case s == "": + s = fmt.Sprintf(strings.Repeat("%v ", len(args)), args...) + default: + s = fmt.Sprintf(s, args...) + } + r := fmt.Sprintf("%s\n\tTODO %s", origin(2), s) + // fmt.Fprintf(os.Stderr, "%s\n", r) + // os.Stdout.Sync() + return r +} + +// trc prints and return caller's position and an optional message tagged with TRC. Output goes to stderr. +func trc(s string, args ...interface{}) string { + switch { + case s == "": + s = fmt.Sprintf(strings.Repeat("%v ", len(args)), args...) + default: + s = fmt.Sprintf(s, args...) + } + r := fmt.Sprintf("%s: TRC %s", origin(2), s) + fmt.Fprintf(os.Stderr, "%s\n", r) + os.Stderr.Sync() + return r +} |