src/string/strsignal.c

   1 #include <signal.h>
   2 #include <string.h>
   3 #include "locale_impl.h"
   4
   5 #if (SIGHUP == 1) && (SIGINT == 2) && (SIGQUIT == 3) && (SIGILL == 4) \
   6  && (SIGTRAP == 5) && (SIGABRT == 6) && (SIGBUS == 7) && (SIGFPE == 8) \
   7  && (SIGKILL == 9) && (SIGUSR1 == 10) && (SIGSEGV == 11) && (SIGUSR2 == 12) \
   8  && (SIGPIPE == 13) && (SIGALRM == 14) && (SIGTERM == 15) && (SIGSTKFLT == 16) \
   9  && (SIGCHLD == 17) && (SIGCONT == 18) && (SIGSTOP == 19) && (SIGTSTP == 20) \
  10  && (SIGTTIN == 21) && (SIGTTOU == 22) && (SIGURG == 23) && (SIGXCPU == 24) \
  11  && (SIGXFSZ == 25) && (SIGVTALRM == 26) && (SIGPROF == 27) && (SIGWINCH == 28) \
  12  && (SIGPOLL == 29) && (SIGPWR == 30) && (SIGSYS == 31)
  13
  14 #define sigmap(x) x
  15
  16 #else
  17
  18 static const char map[] = {
  19         [SIGHUP]    = 1,
  20         [SIGINT]    = 2,
  21         [SIGQUIT]   = 3,
  22         [SIGILL]    = 4,
  23         [SIGTRAP]   = 5,
  24         [SIGABRT]   = 6,
  25         [SIGBUS]    = 7,
  26         [SIGFPE]    = 8,
  27         [SIGKILL]   = 9,
  28         [SIGUSR1]   = 10,
  29         [SIGSEGV]   = 11,
  30         [SIGUSR2]   = 12,
  31         [SIGPIPE]   = 13,
  32         [SIGALRM]   = 14,
  33         [SIGTERM]   = 15,
  34         [SIGSTKFLT] = 16,
  35         [SIGCHLD]   = 17,
  36         [SIGCONT]   = 18,
  37         [SIGSTOP]   = 19,
  38         [SIGTSTP]   = 20,
  39         [SIGTTIN]   = 21,
  40         [SIGTTOU]   = 22,
  41         [SIGURG]    = 23,
  42         [SIGXCPU]   = 24,
  43         [SIGXFSZ]   = 25,
  44         [SIGVTALRM] = 26,
  45         [SIGPROF]   = 27,
  46         [SIGWINCH]  = 28,
  47         [SIGPOLL]   = 29,
  48         [SIGPWR]    = 30,
  49         [SIGSYS]    = 31
  50 };
  51
  52 #define sigmap(x) ((x) >= sizeof map ? (x) : map[(x)])
  53
  54 #endif
  55
  56 static const char strings[] =
  57         "Unknown signal\0"
  58         "Hangup\0"
  59         "Interrupt\0"
  60         "Quit\0"
  61         "Illegal instruction\0"
  62         "Trace/breakpoint trap\0"
  63         "Aborted\0"
  64         "Bus error\0"
  65         "Arithmetic exception\0"
  66         "Killed\0"
  67         "User defined signal 1\0"
  68         "Segmentation fault\0"
  69         "User defined signal 2\0"
  70         "Broken pipe\0"
  71         "Alarm clock\0"
  72         "Terminated\0"
  73         "Stack fault\0"
  74         "Child process status\0"
  75         "Continued\0"
  76         "Stopped (signal)\0"
  77         "Stopped\0"
  78         "Stopped (tty input)\0"
  79         "Stopped (tty output)\0"
  80         "Urgent I/O condition\0"
  81         "CPU time limit exceeded\0"
  82         "File size limit exceeded\0"
  83         "Virtual timer expired\0"
  84         "Profiling timer expired\0"
  85         "Window changed\0"
  86         "I/O possible\0"
  87         "Power failure\0"
  88         "Bad system call\0"
  89         "RT32"
  90         "\0RT33\0RT34\0RT35\0RT36\0RT37\0RT38\0RT39\0RT40"
  91         "\0RT41\0RT42\0RT43\0RT44\0RT45\0RT46\0RT47\0RT48"
  92         "\0RT49\0RT50\0RT51\0RT52\0RT53\0RT54\0RT55\0RT56"
  93         "\0RT57\0RT58\0RT59\0RT60\0RT61\0RT62\0RT63\0RT64"
  94 #if _NSIG > 65
  95         "\0RT65\0RT66\0RT67\0RT68\0RT69\0RT70\0RT71\0RT72"
  96         "\0RT73\0RT74\0RT75\0RT76\0RT77\0RT78\0RT79\0RT80"
  97         "\0RT81\0RT82\0RT83\0RT84\0RT85\0RT86\0RT87\0RT88"
  98         "\0RT89\0RT90\0RT91\0RT92\0RT93\0RT94\0RT95\0RT96"
  99         "\0RT97\0RT98\0RT99\0RT100\0RT101\0RT102\0RT103\0RT104"
 100         "\0RT105\0RT106\0RT107\0RT108\0RT109\0RT110\0RT111\0RT112"
 101         "\0RT113\0RT114\0RT115\0RT116\0RT117\0RT118\0RT119\0RT120"
 102         "\0RT121\0RT122\0RT123\0RT124\0RT125\0RT126\0RT127\0RT128"
 103 #endif
 104         "";
 105
 106 char *strsignal(int signum)
 107 {
 108         const char *s = strings;
 109
 110         signum = sigmap(signum);
 111         if (signum - 1U >= _NSIG-1) signum = 0;
 112
 113         for (; signum--; s++) for (; *s; s++);
 114
 115         return (char *)LCTRANS_CUR(s);
 116 }