[PATCH 1/2] tests: add signal2name function to libtests

[Fei Jie]

* tests/tests.h (signal2name): New prototype.
* tests/signal2name.c: New file.
* tests/Makefile.am (libtests_a_SOURCES): Add it.
---
 tests/Makefile.am   |   1 +
 tests/signal2name.c | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/tests.h       |   3 ++
 3 files changed, 129 insertions(+)
 create mode 100644 tests/signal2name.c

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9eba306..ac527ec 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -51,6 +51,7 @@ libtests_a_SOURCES = \
 	print_quoted_string.c \
 	printflags.c \
 	printxval.c \
+	signal2name.c \
 	tail_alloc.c \
 	tests.h \
 	tprintf.c \
diff --git a/tests/signal2name.c b/tests/signal2name.c
new file mode 100644
index 0000000..906e821
--- /dev/null
+++ b/tests/signal2name.c
@@ -0,0 +1,125 @@
+#include "tests.h"
+#include <signal.h>
+
+#define CASE(x) case x: return #x
+
+const char *
+signal2name(int sig)
+{
+	switch (sig) {
+#ifdef SIGALRM
+	CASE(SIGALRM);
+#endif
+#ifdef SIGBUS
+	CASE(SIGBUS);
+#endif
+#ifdef SIGCHLD
+	CASE(SIGCHLD);
+#endif
+#ifdef SIGCONT
+	CASE(SIGCONT);
+#endif
+#ifdef SIGFPE
+	CASE(SIGFPE);
+#endif
+#ifdef SIGHUP
+	CASE(SIGHUP);
+#endif
+#ifdef SIGILL
+	CASE(SIGILL);
+#endif
+#ifdef SIGINT
+	CASE(SIGINT);
+#endif
+#ifdef SIGIO
+	CASE(SIGIO);
+#endif
+#ifdef SIGPIPE
+	CASE(SIGPIPE);
+#endif
+#ifdef SIGPROF
+	CASE(SIGPROF);
+#endif
+#ifdef SIGQUIT
+	CASE(SIGQUIT);
+#endif
+#ifdef SIGSEGV
+	CASE(SIGSEGV);
+#endif
+#ifdef SIGSYS
+	CASE(SIGSYS);
+#endif
+#ifdef SIGTERM
+	CASE(SIGTERM);
+#endif
+#ifdef SIGTRAP
+	CASE(SIGTRAP);
+#endif
+#ifdef SIGTSTP
+	CASE(SIGTSTP);
+#endif
+#ifdef SIGTTIN
+	CASE(SIGTTIN);
+#endif
+#ifdef SIGTTOU
+	CASE(SIGTTOU);
+#endif
+#ifdef SIGURG
+	CASE(SIGURG);
+#endif
+#ifdef SIGUSR1
+	CASE(SIGUSR1);
+#endif
+#ifdef SIGUSR2
+	CASE(SIGUSR2);
+#endif
+#ifdef SIGVTALRM
+	CASE(SIGVTALRM);
+#endif
+#ifdef SIGWINCH
+	CASE(SIGWINCH);
+#endif
+#ifdef SIGXCPU
+	CASE(SIGXCPU);
+#endif
+#ifdef SIGXFSZ
+	CASE(SIGXFSZ);
+#endif
+#if !defined MIPS
+# ifdef SIGABRT
+	CASE(SIGABRT);
+# endif
+#endif
+#if defined ALPHA || defined MIPS || defined SPARC
+# ifdef SIGEMT
+	CASE(SIGEMT);
+# endif
+#endif
+#ifdef ALPHA
+# ifdef SIGINFO
+	CASE(SIGINFO);
+# endif
+#endif
+#ifdef MIPS
+# ifdef SIGIOT
+	CASE(SIGIOT);
+# endif
+#endif
+#ifdef SPARC
+# ifdef SIGLOST
+	CASE(SIGLOST);
+# endif
+#endif
+#if !defined ALPHA && !defined SPARC
+# ifdef SIGPWR
+	CASE(SIGPWR);
+# endif
+#endif
+#if !defined ALPHA && !defined SPARC && !defined MIPS
+# ifdef SIGSTKFLT
+	CASE(SIGSTKFLT);
+# endif
+#endif
+	default: perror_msg_and_fail("unknown signal number %d", sig);
+	}
+}
diff --git a/tests/tests.h b/tests/tests.h
index 0205ea0..c140830 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -93,6 +93,9 @@ void check_overflowgid(const int);
 /* Translate errno to its name. */
 const char *errno2name(void);
 
+/* Translate signal number to its name. */
+const char *signal2name(int);
+
 struct xlat;
 
 /* Print flags in symbolic form according to xlat table. */
-- 
1.8.3.1