Initial revision

libproc/signals.c

@@ -0,0 +1,65 @@
+/* signals.c - signal name handling */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "proc/signals.h"
+
+
+typedef struct {
+    int number;
+    char *name;
+} SIGNAME;
+
+
+static SIGNAME signals[] = {
+#include "signames.h" /* should be in same dir as this file */
+  { 0,NULL }};
+
+
+void list_signals(void)
+{
+    SIGNAME *walk;
+    int col;
+
+    col = 0;
+    for (walk = signals; walk->name; walk++) {
+	if (col+strlen(walk->name)+1 > 80) {
+	    putchar('\n');
+	    col = 0;
+	}
+	printf("%s%s",col ? " " : "",walk->name);
+	col += strlen(walk->name)+1;
+    }
+    putchar('\n');
+}
+
+
+int get_signal(char *name,char *cmd)
+{
+    SIGNAME *walk;
+
+    if (isdigit(*name))
+	return atoi(name);
+    for (walk = signals; walk->name; walk++)
+	if (!strcmp(walk->name,name)) break;
+    if (walk->name) return walk->number;
+    fprintf(stderr,"%s: unknown signal; %s -l lists signals.\n",name,cmd);
+    exit(1);
+}
+
+/* get_signal2 is by Michael Shields. 1994/04/25. */
+int get_signal2(char *name)
+{
+    SIGNAME *walk;
+
+    if (!name)
+        return(-1);
+    if (isdigit(*name))
+	return atoi(name);
+    for (walk = signals; walk->name; walk++)
+        if (!strcmp(walk->name,name))
+            return(walk->number);
+    return(-1);
+}