gcc/libgo/go/syscall/signame.c
Ian Lance Taylor cfcbb4227f libgo: update to Go1.16beta1 release
This does not yet include support for the //go:embed directive added
in this release.

	* Makefile.am (check-runtime): Don't create check-runtime-dir.
	(mostlyclean-local): Don't remove check-runtime-dir.
	(check-go-tool, check-vet): Copy in go.mod and modules.txt.
	(check-cgo-test, check-carchive-test): Add go.mod file.
	* Makefile.in: Regenerate.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/280172
2020-12-30 15:13:24 -08:00

42 lines
958 B
C

/* signame.c -- get the name of a signal
Copyright 2012 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
#include <string.h>
#include "runtime.h"
#include "arch.h"
#include "malloc.h"
String Signame (intgo sig) __asm__ (GOSYM_PREFIX "syscall.Signame");
String
Signame (intgo sig)
{
const char* s = NULL;
char buf[100];
size_t len;
byte *data;
String ret;
#if defined(HAVE_STRSIGNAL)
s = strsignal (sig);
#endif
if (s == NULL)
{
snprintf(buf, sizeof buf, "signal %ld", (long) sig);
s = buf;
}
len = __builtin_strlen (s);
data = runtime_mallocgc (len, nil, false);
__builtin_memcpy (data, s, len);
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if ('A' <= data[0] && data[0] <= 'Z' && 'a' <= data[1] && data[1] <= 'z')
data[0] += 'a' - 'A';
ret.str = data;
ret.len = len;
return ret;
}