musl-tcc/src/string/strsignal.c

127 lines
3.0 KiB
C

#include <signal.h>
#include <string.h>
#include "locale_impl.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,
#if defined(SIGSTKFLT)
[SIGSTKFLT] = 16,
#elif defined(SIGEMT)
[SIGEMT] = 16,
#endif
[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) >= sizeof map ? (x) : map[(x)])
#endif
static const char strings[] =
"Unknown signal\0"
"Hangup\0"
"Interrupt\0"
"Quit\0"
"Illegal instruction\0"
"Trace/breakpoint trap\0"
"Aborted\0"
"Bus error\0"
"Arithmetic exception\0"
"Killed\0"
"User defined signal 1\0"
"Segmentation fault\0"
"User defined signal 2\0"
"Broken pipe\0"
"Alarm clock\0"
"Terminated\0"
#if defined(SIGSTKFLT)
"Stack fault\0"
#elif defined(SIGEMT)
"Emulator trap\0"
#else
"Unknown signal\0"
#endif
"Child process status\0"
"Continued\0"
"Stopped (signal)\0"
"Stopped\0"
"Stopped (tty input)\0"
"Stopped (tty output)\0"
"Urgent I/O condition\0"
"CPU time limit exceeded\0"
"File size limit exceeded\0"
"Virtual timer expired\0"
"Profiling timer expired\0"
"Window changed\0"
"I/O possible\0"
"Power failure\0"
"Bad system call\0"
"RT32"
"\0RT33\0RT34\0RT35\0RT36\0RT37\0RT38\0RT39\0RT40"
"\0RT41\0RT42\0RT43\0RT44\0RT45\0RT46\0RT47\0RT48"
"\0RT49\0RT50\0RT51\0RT52\0RT53\0RT54\0RT55\0RT56"
"\0RT57\0RT58\0RT59\0RT60\0RT61\0RT62\0RT63\0RT64"
#if _NSIG > 65
"\0RT65\0RT66\0RT67\0RT68\0RT69\0RT70\0RT71\0RT72"
"\0RT73\0RT74\0RT75\0RT76\0RT77\0RT78\0RT79\0RT80"
"\0RT81\0RT82\0RT83\0RT84\0RT85\0RT86\0RT87\0RT88"
"\0RT89\0RT90\0RT91\0RT92\0RT93\0RT94\0RT95\0RT96"
"\0RT97\0RT98\0RT99\0RT100\0RT101\0RT102\0RT103\0RT104"
"\0RT105\0RT106\0RT107\0RT108\0RT109\0RT110\0RT111\0RT112"
"\0RT113\0RT114\0RT115\0RT116\0RT117\0RT118\0RT119\0RT120"
"\0RT121\0RT122\0RT123\0RT124\0RT125\0RT126\0RT127\0RT128"
#endif
"";
char *strsignal(int signum)
{
const char *s = strings;
signum = sigmap(signum);
if (signum - 1U >= _NSIG-1) signum = 0;
for (; signum--; s++) for (; *s; s++);
return (char *)LCTRANS_CUR(s);
}