musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/string/strsignal.c b/src/string/strsignal.c
new file mode 100644
index 00000000..72fba8d1
--- /dev/null
+++ b/src/string/strsignal.c

@@ -0,0 +1,98 @@

+#include <signal.h>

+

+#if (SIGHUP == 1) && (SIGINT == 2) && (SIGQUIT == 3) && (SIGILL == 4) \

+ && (SIGTRAP == 5) && (SIGABRT == 6) && (SIGBUS == 7) && (SIGFPE == 8) \

+ && (SIGKILL == 9) && (SIGUSR1 == 10) && (SIGSEGV == 11) && (SIGUSR2 == 12) \

+ && (SIGPIPE == 13) && (SIGALRM == 14) && (SIGTERM == 15) && (SIGSTKFLT == 16) \

+ && (SIGCHLD == 17) && (SIGCONT == 18) && (SIGSTOP == 19) && (SIGTSTP == 20) \

+ && (SIGTTIN == 21) && (SIGTTOU == 22) && (SIGURG == 23) && (SIGXCPU == 24) \

+ && (SIGXFSZ == 25) && (SIGVTALRM == 26) && (SIGPROF == 27) && (SIGWINCH == 28) \

+ && (SIGPOLL == 29) && (SIGPWR == 30) && (SIGSYS == 31)

+

+#define sigmap(x) x

+

+#else

+

+static const char map[] = {

+ [SIGHUP] = 1,

+ [SIGINT] = 2,

+ [SIGQUIT] = 3,

+ [SIGILL] = 4,

+ [SIGTRAP] = 5,

+ [SIGABRT] = 6,

+ [SIGBUS] = 7,

+ [SIGFPE] = 8,

+ [SIGKILL] = 9,

+ [SIGUSR1] = 10,

+ [SIGSEGV] = 11,

+ [SIGUSR2] = 12,

+ [SIGPIPE] = 13,

+ [SIGALRM] = 14,

+ [SIGTERM] = 15,

+ [SIGSTKFLT] = 16,

+ [SIGCHLD] = 17,

+ [SIGCONT] = 18,

+ [SIGSTOP] = 19,

+ [SIGTSTP] = 20,

+ [SIGTTIN] = 21,

+ [SIGTTOU] = 22,

+ [SIGURG] = 23,

+ [SIGXCPU] = 24,

+ [SIGXFSZ] = 25,

+ [SIGVTALRM] = 26,

+ [SIGPROF] = 27,

+ [SIGWINCH] = 28,

+ [SIGPOLL] = 29,

+ [SIGPWR] = 30,

+ [SIGSYS] = 31

+};

+

+#define sigmap(x) ((unsigned)(x) > sizeof map ? 0 : map[(unsigned)(x)])

+

+#endif

+

+static const char strings[] =

+ "Unknown signal0円"

+ "Hangup0円"

+ "Interrupt0円"

+ "Quit0円"

+ "Illegal instruction0円"

+ "Trace/breakpoint trap0円"

+ "Aborted0円"

+ "Bus error0円"

+ "Floating point exception0円"

+ "Killed0円"

+ "User defined signal 10円"

+ "Segmentation fault0円"

+ "User defined signal 20円"

+ "Broken pipe0円"

+ "Alarm clock0円"

+ "Terminated0円"

+ "Stack fault0円"

+ "Child exited0円"

+ "Continued0円"

+ "Stopped (signal)0円"

+ "Stopped0円"

+ "Stopped (tty input)0円"

+ "Stopped (tty output)0円"

+ "Urgent I/O condition0円"

+ "CPU time limit exceeded0円"

+ "File size limit exceeded0円"

+ "Virtual timer expired0円"

+ "Profiling timer expired0円"

+ "Window changed0円"

+ "I/O possible0円"

+ "Power failure0円"

+ "Bad system call";

+

+char *strsignal(int signum)

+{

+ char *s = (char *)strings;

+

+ signum = sigmap(signum);

+ if ((unsigned)signum - 1 > 31) signum = 0;

+

+ for (; signum--; s++) for (; *s; s++);

+

+ return s;

+}