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authorDenis Vlasenko <vda.linux@googlemail.com>2007-12-04 10:05:28 +0000
committerDenis Vlasenko <vda.linux@googlemail.com>2007-12-04 10:05:28 +0000
commit5f934b07853658069435a4b42c17277e6478c534 (patch)
treee34df9d92109065266a9b2df19ff2a58400294f1 /libbb/u_signal_names.c
parentd0bbbdcd6eefd249637f153f9d29b37c7f545e33 (diff)
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guard against SIGxxx >= 32 (no code changes on i386)
Diffstat (limited to 'libbb/u_signal_names.c')
-rw-r--r--libbb/u_signal_names.c73
1 files changed, 39 insertions, 34 deletions
diff --git a/libbb/u_signal_names.c b/libbb/u_signal_names.c
index ed3bb5c5b..43015b7a1 100644
--- a/libbb/u_signal_names.c
+++ b/libbb/u_signal_names.c
@@ -9,7 +9,9 @@
9 9
10#include "libbb.h" 10#include "libbb.h"
11 11
12static const char signals[32][7] = { 12#define KILL_MAX_SIG 32
13
14static const char signals[KILL_MAX_SIG][7] = {
13 // SUSv3 says kill must support these, and specifies the numerical values, 15 // SUSv3 says kill must support these, and specifies the numerical values,
14 // http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html 16 // http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
15 // TODO: "[SIG]EXIT" shouldn't work for kill, right? 17 // TODO: "[SIG]EXIT" shouldn't work for kill, right?
@@ -20,98 +22,101 @@ static const char signals[32][7] = {
20 // {SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"}, 22 // {SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"},
21 // {SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"}, 23 // {SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
22 // {SIGTTOU, "TTOU"} 24 // {SIGTTOU, "TTOU"}
25
26/* Believe it or not, but some arches have more than 32 SIGs!
27 * HPPA: SIGSTKFLT == 36. We don't include those. */
23 [0] = "EXIT", 28 [0] = "EXIT",
24#ifdef SIGHUP 29#if defined SIGHUP && SIGHUP < KILL_MAX_SIG
25 [SIGHUP ] = "HUP", 30 [SIGHUP ] = "HUP",
26#endif 31#endif
27#ifdef SIGINT 32#if defined SIGINT && SIGINT < KILL_MAX_SIG
28 [SIGINT ] = "INT", 33 [SIGINT ] = "INT",
29#endif 34#endif
30#ifdef SIGQUIT 35#if defined SIGQUIT && SIGQUIT < KILL_MAX_SIG
31 [SIGQUIT ] = "QUIT", 36 [SIGQUIT ] = "QUIT",
32#endif 37#endif
33#ifdef SIGILL 38#if defined SIGILL && SIGILL < KILL_MAX_SIG
34 [SIGILL ] = "ILL", 39 [SIGILL ] = "ILL",
35#endif 40#endif
36#ifdef SIGTRAP 41#if defined SIGTRAP && SIGTRAP < KILL_MAX_SIG
37 [SIGTRAP ] = "TRAP", 42 [SIGTRAP ] = "TRAP",
38#endif 43#endif
39#ifdef SIGABRT 44#if defined SIGABRT && SIGABRT < KILL_MAX_SIG
40 [SIGABRT ] = "ABRT", 45 [SIGABRT ] = "ABRT",
41#endif 46#endif
42#ifdef SIGBUS 47#if defined SIGBUS && SIGBUS < KILL_MAX_SIG
43 [SIGBUS ] = "BUS", 48 [SIGBUS ] = "BUS",
44#endif 49#endif
45#ifdef SIGFPE 50#if defined SIGFPE && SIGFPE < KILL_MAX_SIG
46 [SIGFPE ] = "FPE", 51 [SIGFPE ] = "FPE",
47#endif 52#endif
48#ifdef SIGKILL 53#if defined SIGKILL && SIGKILL < KILL_MAX_SIG
49 [SIGKILL ] = "KILL", 54 [SIGKILL ] = "KILL",
50#endif 55#endif
51#ifdef SIGUSR1 56#if defined SIGUSR1 && SIGUSR1 < KILL_MAX_SIG
52 [SIGUSR1 ] = "USR1", 57 [SIGUSR1 ] = "USR1",
53#endif 58#endif
54#ifdef SIGSEGV 59#if defined SIGSEGV && SIGSEGV < KILL_MAX_SIG
55 [SIGSEGV ] = "SEGV", 60 [SIGSEGV ] = "SEGV",
56#endif 61#endif
57#ifdef SIGUSR2 62#if defined SIGUSR2 && SIGUSR2 < KILL_MAX_SIG
58 [SIGUSR2 ] = "USR2", 63 [SIGUSR2 ] = "USR2",
59#endif 64#endif
60#ifdef SIGPIPE 65#if defined SIGPIPE && SIGPIPE < KILL_MAX_SIG
61 [SIGPIPE ] = "PIPE", 66 [SIGPIPE ] = "PIPE",
62#endif 67#endif
63#ifdef SIGALRM 68#if defined SIGALRM && SIGALRM < KILL_MAX_SIG
64 [SIGALRM ] = "ALRM", 69 [SIGALRM ] = "ALRM",
65#endif 70#endif
66#ifdef SIGTERM 71#if defined SIGTERM && SIGTERM < KILL_MAX_SIG
67 [SIGTERM ] = "TERM", 72 [SIGTERM ] = "TERM",
68#endif 73#endif
69#ifdef SIGSTKFLT 74#if defined SIGSTKFLT && SIGSTKFLT < KILL_MAX_SIG
70 [SIGSTKFLT] = "STKFLT", 75 [SIGSTKFLT] = "STKFLT",
71#endif 76#endif
72#ifdef SIGCHLD 77#if defined SIGCHLD && SIGCHLD < KILL_MAX_SIG
73 [SIGCHLD ] = "CHLD", 78 [SIGCHLD ] = "CHLD",
74#endif 79#endif
75#ifdef SIGCONT 80#if defined SIGCONT && SIGCONT < KILL_MAX_SIG
76 [SIGCONT ] = "CONT", 81 [SIGCONT ] = "CONT",
77#endif 82#endif
78#ifdef SIGSTOP 83#if defined SIGSTOP && SIGSTOP < KILL_MAX_SIG
79 [SIGSTOP ] = "STOP", 84 [SIGSTOP ] = "STOP",
80#endif 85#endif
81#ifdef SIGTSTP 86#if defined SIGTSTP && SIGTSTP < KILL_MAX_SIG
82 [SIGTSTP ] = "TSTP", 87 [SIGTSTP ] = "TSTP",
83#endif 88#endif
84#ifdef SIGTTIN 89#if defined SIGTTIN && SIGTTIN < KILL_MAX_SIG
85 [SIGTTIN ] = "TTIN", 90 [SIGTTIN ] = "TTIN",
86#endif 91#endif
87#ifdef SIGTTOU 92#if defined SIGTTOU && SIGTTOU < KILL_MAX_SIG
88 [SIGTTOU ] = "TTOU", 93 [SIGTTOU ] = "TTOU",
89#endif 94#endif
90#ifdef SIGURG 95#if defined SIGURG && SIGURG < KILL_MAX_SIG
91 [SIGURG ] = "URG", 96 [SIGURG ] = "URG",
92#endif 97#endif
93#ifdef SIGXCPU 98#if defined SIGXCPU && SIGXCPU < KILL_MAX_SIG
94 [SIGXCPU ] = "XCPU", 99 [SIGXCPU ] = "XCPU",
95#endif 100#endif
96#ifdef SIGXFSZ 101#if defined SIGXFSZ && SIGXFSZ < KILL_MAX_SIG
97 [SIGXFSZ ] = "XFSZ", 102 [SIGXFSZ ] = "XFSZ",
98#endif 103#endif
99#ifdef SIGVTALRM 104#if defined SIGVTALRM && SIGVTALRM < KILL_MAX_SIG
100 [SIGVTALRM] = "VTALRM", 105 [SIGVTALRM] = "VTALRM",
101#endif 106#endif
102#ifdef SIGPROF 107#if defined SIGPROF && SIGPROF < KILL_MAX_SIG
103 [SIGPROF ] = "PROF", 108 [SIGPROF ] = "PROF",
104#endif 109#endif
105#ifdef SIGWINCH 110#if defined SIGWINCH && SIGWINCH < KILL_MAX_SIG
106 [SIGWINCH ] = "WINCH", 111 [SIGWINCH ] = "WINCH",
107#endif 112#endif
108#ifdef SIGPOLL 113#if defined SIGPOLL && SIGPOLL < KILL_MAX_SIG
109 [SIGPOLL ] = "POLL", 114 [SIGPOLL ] = "POLL",
110#endif 115#endif
111#ifdef SIGPWR 116#if defined SIGPWR && SIGPWR < KILL_MAX_SIG
112 [SIGPWR ] = "PWR", 117 [SIGPWR ] = "PWR",
113#endif 118#endif
114#ifdef SIGSYS 119#if defined SIGSYS && SIGSYS < KILL_MAX_SIG
115 [SIGSYS ] = "SYS", 120 [SIGSYS ] = "SYS",
116#endif 121#endif
117}; 122};
@@ -134,11 +139,11 @@ int get_signum(const char *name)
134#if ENABLE_DESKTOP && (defined(SIGIOT) || defined(SIGIO)) 139#if ENABLE_DESKTOP && (defined(SIGIOT) || defined(SIGIO))
135 /* These are aliased to other names */ 140 /* These are aliased to other names */
136 if ((name[0] | 0x20) == 'i' && (name[1] | 0x20) == 'o') { 141 if ((name[0] | 0x20) == 'i' && (name[1] | 0x20) == 'o') {
137#ifdef SIGIO 142#if defined SIGIO
138 if (!name[2]) 143 if (!name[2])
139 return SIGIO; 144 return SIGIO;
140#endif 145#endif
141#ifdef SIGIOT 146#if defined SIGIOT
142 if ((name[2] | 0x20) == 't' && !name[3]) 147 if ((name[2] | 0x20) == 't' && !name[3])
143 return SIGIOT; 148 return SIGIOT;
144#endif 149#endif
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