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Annotation of embedaddon/sudo/compat/sig2str.c, revision 1.1.1.3

1.1       misho       1: /*
1.1.1.2   misho       2:  * Copyright (c) 2012-2013 Todd C. Miller <Todd.Miller@courtesan.com>
1.1       misho       3:  *
                      4:  * Permission to use, copy, modify, and distribute this software for any
                      5:  * purpose with or without fee is hereby granted, provided that the above
                      6:  * copyright notice and this permission notice appear in all copies.
                      7:  *
                      8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                      9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     15:  */
                     16: 
                     17: #include <config.h>
                     18: 
1.1.1.2   misho      19: #ifndef HAVE_SIG2STR
                     20: 
1.1       misho      21: #include <sys/types.h>
                     22: 
                     23: #include <errno.h>
                     24: #include <stdio.h>
                     25: #ifdef STDC_HEADERS
                     26: # include <stdlib.h>
                     27: # include <stddef.h>
                     28: #else
                     29: # ifdef HAVE_STDLIB_H
                     30: #  include <stdlib.h>
                     31: # endif
                     32: #endif /* STDC_HEADERS */
                     33: #ifdef HAVE_STRING_H
                     34: # include <string.h>
                     35: #endif /* HAVE_STRING_H */
                     36: #ifdef HAVE_STRINGS_H
                     37: # include <strings.h>
                     38: #endif /* HAVE_STRINGS_H */
                     39: #include <signal.h>
1.1.1.3 ! misho      40: #include <unistd.h>
1.1       misho      41: 
                     42: #include "missing.h"
                     43: 
                     44: #if defined(HAVE_DECL_SYS_SIGNAME) && HAVE_DECL_SYS_SIGNAME == 1
                     45: #  define sudo_sys_signame     sys_signame
                     46: #elif defined(HAVE_DECL__SYS_SIGNAME) && HAVE_DECL__SYS_SIGNAME == 1
                     47: #  define sudo_sys_signame     _sys_signame
                     48: #elif defined(HAVE_DECL___SYS_SIGNAME) && HAVE_DECL___SYS_SIGNAME == 1
                     49: #  define sudo_sys_signame     __sys_signame
                     50: #elif defined(HAVE_DECL_SYS_SIGABBREV) && HAVE_DECL_SYS_SIGABBREV == 1
                     51: #  define sudo_sys_signame     sys_sigabbrev
                     52: #else
                     53: # ifdef HAVE_SYS_SIGABBREV
                     54:    /* sys_sigabbrev is not declared by glibc */
                     55: #  define sudo_sys_signame     sys_sigabbrev
                     56: # endif
                     57: extern const char *const sudo_sys_signame[NSIG];
                     58: #endif
                     59: 
                     60: /*
                     61:  * Translate signal number to name.
                     62:  */
                     63: int
                     64: sig2str(int signo, char *signame)
                     65: {
                     66: #if defined(SIGRTMIN) && defined(SIGRTMAX)
                     67:     /* Realtime signal support as per Solaris. */
                     68:     if (signo >= SIGRTMIN && signo <= SIGRTMAX) {
                     69:        snprintf(signame, SIG2STR_MAX, "RTMIN+%d", (signo - SIGRTMIN));
                     70:        return 0;
                     71:     }
                     72: #endif
                     73:     if (signo > 0 && signo < NSIG && sudo_sys_signame[signo] != NULL) {
                     74:        strlcpy(signame, sudo_sys_signame[signo], SIG2STR_MAX);
                     75:        return 0;
                     76:     }
                     77:     errno = EINVAL;
                     78:     return -1;
                     79: }
1.1.1.2   misho      80: #endif /* HAVE_SIG2STR */