4 #if (SIGHUP == 1) && (SIGINT == 2) && (SIGQUIT == 3) && (SIGILL == 4) \
5 && (SIGTRAP == 5) && (SIGABRT == 6) && (SIGBUS == 7) && (SIGFPE == 8) \
6 && (SIGKILL == 9) && (SIGUSR1 == 10) && (SIGSEGV == 11) && (SIGUSR2 == 12) \
7 && (SIGPIPE == 13) && (SIGALRM == 14) && (SIGTERM == 15) && (SIGSTKFLT == 16) \
8 && (SIGCHLD == 17) && (SIGCONT == 18) && (SIGSTOP == 19) && (SIGTSTP == 20) \
9 && (SIGTTIN == 21) && (SIGTTOU == 22) && (SIGURG == 23) && (SIGXCPU == 24) \
10 && (SIGXFSZ == 25) && (SIGVTALRM == 26) && (SIGPROF == 27) && (SIGWINCH == 28) \
11 && (SIGPOLL == 29) && (SIGPWR == 30) && (SIGSYS == 31)
17 static const char map[] = {
51 #define sigmap(x) ((x) >= sizeof map ? (x) : map[(x)])
55 static const char strings[] =
60 "Illegal instruction\0"
61 "Trace/breakpoint trap\0"
64 "Floating point exception\0"
66 "User defined signal 1\0"
67 "Segmentation fault\0"
68 "User defined signal 2\0"
77 "Stopped (tty input)\0"
78 "Stopped (tty output)\0"
79 "Urgent I/O condition\0"
80 "CPU time limit exceeded\0"
81 "File size limit exceeded\0"
82 "Virtual timer expired\0"
83 "Profiling timer expired\0"
89 "\0RT33\0RT34\0RT35\0RT36\0RT37\0RT38\0RT39\0RT40"
90 "\0RT41\0RT42\0RT43\0RT44\0RT45\0RT46\0RT47\0RT48"
91 "\0RT49\0RT50\0RT51\0RT52\0RT53\0RT54\0RT55\0RT56"
92 "\0RT57\0RT58\0RT59\0RT60\0RT61\0RT62\0RT63\0RT64"
94 "\0RT65\0RT66\0RT67\0RT68\0RT69\0RT70\0RT71\0RT72"
95 "\0RT73\0RT74\0RT75\0RT76\0RT77\0RT78\0RT79\0RT80"
96 "\0RT81\0RT82\0RT83\0RT84\0RT85\0RT86\0RT87\0RT88"
97 "\0RT89\0RT90\0RT91\0RT92\0RT93\0RT94\0RT95\0RT96"
98 "\0RT97\0RT98\0RT99\0RT100\0RT101\0RT102\0RT103\0RT104"
99 "\0RT105\0RT106\0RT107\0RT108\0RT109\0RT110\0RT111\0RT112"
100 "\0RT113\0RT114\0RT115\0RT116\0RT117\0RT118\0RT119\0RT120"
101 "\0RT121\0RT122\0RT123\0RT124\0RT125\0RT126\0RT127\0RT128"
105 char *strsignal(int signum)
107 char *s = (char *)strings;
109 signum = sigmap(signum);
110 if (signum - 1U >= _NSIG-1) signum = 0;
112 for (; signum--; s++) for (; *s; s++);