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-rw-r--r--libbb/u_signal_names.c83
1 files changed, 40 insertions, 43 deletions
diff --git a/libbb/u_signal_names.c b/libbb/u_signal_names.c
index c741f81d7..97e9949e9 100644
--- a/libbb/u_signal_names.c
+++ b/libbb/u_signal_names.c
@@ -9,9 +9,10 @@
#include "libbb.h"
-#define KILL_MAX_SIG 32
+/* Believe it or not, but some arches have more than 32 SIGs!
+ * HPPA: SIGSTKFLT == 36. */
-static const char signals[KILL_MAX_SIG][6] = {
+static const char signals[][7] = {
// SUSv3 says kill must support these, and specifies the numerical values,
// http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
// {0, "EXIT"}, {1, "HUP"}, {2, "INT"}, {3, "QUIT"},
@@ -22,102 +23,98 @@ static const char signals[KILL_MAX_SIG][6] = {
// {SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
// {SIGTTOU, "TTOU"}
-/* Believe it or not, but some arches have more than 32 SIGs!
- * HPPA: SIGSTKFLT == 36. We don't include those. */
-
-/* NB: longest (6-char) names are NOT nul-terminated */
[0] = "EXIT",
-#if defined SIGHUP && SIGHUP < KILL_MAX_SIG
+#ifdef SIGHUP
[SIGHUP ] = "HUP",
#endif
-#if defined SIGINT && SIGINT < KILL_MAX_SIG
+#ifdef SIGINT
[SIGINT ] = "INT",
#endif
-#if defined SIGQUIT && SIGQUIT < KILL_MAX_SIG
+#ifdef SIGQUIT
[SIGQUIT ] = "QUIT",
#endif
-#if defined SIGILL && SIGILL < KILL_MAX_SIG
+#ifdef SIGILL
[SIGILL ] = "ILL",
#endif
-#if defined SIGTRAP && SIGTRAP < KILL_MAX_SIG
+#ifdef SIGTRAP
[SIGTRAP ] = "TRAP",
#endif
-#if defined SIGABRT && SIGABRT < KILL_MAX_SIG
+#ifdef SIGABRT
[SIGABRT ] = "ABRT",
#endif
-#if defined SIGBUS && SIGBUS < KILL_MAX_SIG
+#ifdef SIGBUS
[SIGBUS ] = "BUS",
#endif
-#if defined SIGFPE && SIGFPE < KILL_MAX_SIG
+#ifdef SIGFPE
[SIGFPE ] = "FPE",
#endif
-#if defined SIGKILL && SIGKILL < KILL_MAX_SIG
+#ifdef SIGKILL
[SIGKILL ] = "KILL",
#endif
-#if defined SIGUSR1 && SIGUSR1 < KILL_MAX_SIG
+#ifdef SIGUSR1
[SIGUSR1 ] = "USR1",
#endif
-#if defined SIGSEGV && SIGSEGV < KILL_MAX_SIG
+#ifdef SIGSEGV
[SIGSEGV ] = "SEGV",
#endif
-#if defined SIGUSR2 && SIGUSR2 < KILL_MAX_SIG
+#ifdef SIGUSR2
[SIGUSR2 ] = "USR2",
#endif
-#if defined SIGPIPE && SIGPIPE < KILL_MAX_SIG
+#ifdef SIGPIPE
[SIGPIPE ] = "PIPE",
#endif
-#if defined SIGALRM && SIGALRM < KILL_MAX_SIG
+#ifdef SIGALRM
[SIGALRM ] = "ALRM",
#endif
-#if defined SIGTERM && SIGTERM < KILL_MAX_SIG
+#ifdef SIGTERM
[SIGTERM ] = "TERM",
#endif
-#if defined SIGSTKFLT && SIGSTKFLT < KILL_MAX_SIG
+#ifdef SIGSTKFLT
[SIGSTKFLT] = "STKFLT",
#endif
-#if defined SIGCHLD && SIGCHLD < KILL_MAX_SIG
+#ifdef SIGCHLD
[SIGCHLD ] = "CHLD",
#endif
-#if defined SIGCONT && SIGCONT < KILL_MAX_SIG
+#ifdef SIGCONT
[SIGCONT ] = "CONT",
#endif
-#if defined SIGSTOP && SIGSTOP < KILL_MAX_SIG
+#ifdef SIGSTOP
[SIGSTOP ] = "STOP",
#endif
-#if defined SIGTSTP && SIGTSTP < KILL_MAX_SIG
+#ifdef SIGTSTP
[SIGTSTP ] = "TSTP",
#endif
-#if defined SIGTTIN && SIGTTIN < KILL_MAX_SIG
+#ifdef SIGTTIN
[SIGTTIN ] = "TTIN",
#endif
-#if defined SIGTTOU && SIGTTOU < KILL_MAX_SIG
+#ifdef SIGTTOU
[SIGTTOU ] = "TTOU",
#endif
-#if defined SIGURG && SIGURG < KILL_MAX_SIG
+#ifdef SIGURG
[SIGURG ] = "URG",
#endif
-#if defined SIGXCPU && SIGXCPU < KILL_MAX_SIG
+#ifdef SIGXCPU
[SIGXCPU ] = "XCPU",
#endif
-#if defined SIGXFSZ && SIGXFSZ < KILL_MAX_SIG
+#ifdef SIGXFSZ
[SIGXFSZ ] = "XFSZ",
#endif
-#if defined SIGVTALRM && SIGVTALRM < KILL_MAX_SIG
+#ifdef SIGVTALRM
[SIGVTALRM] = "VTALRM",
#endif
-#if defined SIGPROF && SIGPROF < KILL_MAX_SIG
+#ifdef SIGPROF
[SIGPROF ] = "PROF",
#endif
-#if defined SIGWINCH && SIGWINCH < KILL_MAX_SIG
+#ifdef SIGWINCH
[SIGWINCH ] = "WINCH",
#endif
-#if defined SIGPOLL && SIGPOLL < KILL_MAX_SIG
+#ifdef SIGPOLL
[SIGPOLL ] = "POLL",
#endif
-#if defined SIGPWR && SIGPWR < KILL_MAX_SIG
+#ifdef SIGPWR
[SIGPWR ] = "PWR",
#endif
-#if defined SIGSYS && SIGSYS < KILL_MAX_SIG
+#ifdef SIGSYS
[SIGSYS ] = "SYS",
#endif
};
@@ -133,20 +130,20 @@ int get_signum(const char *name)
return i;
if (strncasecmp(name, "SIG", 3) == 0)
name += 3;
- if (strlen(name) > 6)
- return -1;
for (i = 0; i < ARRAY_SIZE(signals); i++)
- if (strncasecmp(name, signals[i], 6) == 0)
+ if (strcasecmp(name, signals[i]) == 0)
return i;
#if ENABLE_DESKTOP && (defined(SIGIOT) || defined(SIGIO))
- /* These are aliased to other names */
+ /* SIGIO[T] are aliased to other names,
+ * thus cannot be stored in the signals[] array.
+ * Need special code to recognize them */
if ((name[0] | 0x20) == 'i' && (name[1] | 0x20) == 'o') {
-#if defined SIGIO
+#ifdef SIGIO
if (!name[2])
return SIGIO;
#endif
-#if defined SIGIOT
+#ifdef SIGIOT
if ((name[2] | 0x20) == 't' && !name[3])
return SIGIOT;
#endif