Correcting branch name to be like previous ones

1 files changed, 58 insertions, 0 deletions

diff --git a/libbb/u_signal_names.c b/libbb/u_signal_names.c
new file mode 100644
index 000000000..88311dd9c
--- /dev/null
+++ b/libbb/u_signal_names.c
@@ -0,0 +1,58 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Signal name/number conversion routines.
+ *
+ * Copyright 2006 Rob Landley <rob@landley.net>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+
+static const struct signal_name {
+        int number;
+        char name[5];
+} signals[] = {
+        // SUSv3 says kill must support these, and specifies the numerical values,
+        // http://www.opengroup.org/onlinepubs/009695399/utilities/kill.html
+        {0, "0"}, {1, "HUP"}, {2, "INT"}, {3, "QUIT"}, {6, "ABRT"}, {9, "KILL"},
+        {14, "ALRM"}, {15, "TERM"},
+        // And Posix adds the following:
+        {SIGILL, "ILL"}, {SIGTRAP, "TRAP"}, {SIGFPE, "FPE"}, {SIGUSR1, "USR1"},
+        {SIGSEGV, "SEGV"}, {SIGUSR2, "USR2"}, {SIGPIPE, "PIPE"}, {SIGCHLD, "CHLD"},
+        {SIGCONT, "CONT"}, {SIGSTOP, "STOP"}, {SIGTSTP, "TSTP"}, {SIGTTIN, "TTIN"},
+        {SIGTTOU, "TTOU"}
+};
+
+// Convert signal name to number.
+
+int get_signum(const char *name)
+{
+        int i;
+
+        i = atoi(name);
+        if (i) return i;
+        for (i = 0; i < sizeof(signals) / sizeof(struct signal_name); i++)
+                if (!strcasecmp(signals[i].name, name) ||
+                        (!strncasecmp(signals[i].name, "SIG", 3)
+                                 && !strcasecmp(signals[i].name+3, signals[i].name)))
+                                        return signals[i].number;
+        return -1;
+}
+
+// Convert signal number to name
+
+const char *get_signame(int number)
+{
+        int i;
+        static char buf[8];
+
+        for (i=0; i < sizeof(signals) / sizeof(struct signal_name); i++) {
+                if (number == signals[i].number) {
+                        return signals[i].name;
+                }
+        }
+
+        itoa_to_buf(number, buf, 8);
+        return buf;
+}