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-rw-r--r--src/Makefile3
-rw-r--r--src/getkey.c220
2 files changed, 125 insertions, 98 deletions
diff --git a/src/Makefile b/src/Makefile
index 78039b5a..71491075 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -45,6 +45,9 @@ install-test:
install -m 755 testd $(ROOT)/usr/sbin/testd
install -m 755 testdinit $(ROOT)/etc/init.d/testd
+getkey: getkey.o
+ $(CC) $(LDFLAGS) -o $@ $< -Wl,-Bstatic -lpopt -Wl,-Bdynamic
+
ipcalc: ipcalc.o
$(CC) $(LDFLAGS) -o $@ $< -Wl,-Bstatic -lpopt -Wl,-Bdynamic
diff --git a/src/getkey.c b/src/getkey.c
index 0aa60921..62833b7d 100644
--- a/src/getkey.c
+++ b/src/getkey.c
@@ -1,98 +1,122 @@
-
-#include <ctype.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <termios.h>
-#include <unistd.h>
-#include <sys/poll.h>
-
-/* A very simple keygrabber. */
-
-struct termios tp;
-
-void reset_term(int x) {
- tcsetattr(0,TCSANOW,&tp);
- exit(x);
-}
-
-int main(int argc, char **argv) {
- char foo[2];
- char *list = NULL;
- char *waitmessage = NULL;
- char *waitprint, *waitsprint;
- int waitseconds=0;
- int alarmlen=0;
- int tp_if,tp_of,tp_lf;
- int x, r;
- struct pollfd ufds; /* only one, no need for an array... */
-
- for (++argv, --argc; argc; argc--, argv++) {
- if (argv[0][0]=='-') {
- if (argv[0][1]=='c') {
- argc--; argv++;
- waitseconds = atoi(argv[0]);
- } else if (argv[0][1]=='m') {
- argc--; argv++;
- waitmessage=argv[0];
- } else if (isdigit(argv[0][1])) {
- waitseconds = atoi(argv[0]);
- }
- } else {
- list = argv[0];
- for (x=0;list[x];x++) list[x]=toupper(list[x]);
- }
- }
- if (waitseconds) {
- alarmlen = waitseconds;
- }
- foo[0]=foo[1]='\0';
-
- signal(SIGTERM,reset_term);
- alarm(alarmlen);
- signal(SIGALRM,reset_term);
-
- tcgetattr(0,&tp);
- tp_if=tp.c_iflag;
- tp_of=tp.c_oflag;
- tp_lf=tp.c_lflag;
- tp.c_iflag=0;
- tp.c_oflag &= ~OPOST;
- tp.c_lflag &= ~(ISIG | ICANON);
- tcsetattr(0,TCSANOW,&tp);
- tp.c_iflag=tp_if;
- tp.c_oflag=tp_of;
- tp.c_lflag=tp_lf;
-
- ufds.events = POLLIN;
- ufds.fd = 0;
-
- if (waitseconds && waitmessage) {
- waitprint = alloca (strlen(waitmessage)+15); /* long enough */
- waitprint[0] = '\r';
- waitsprint = waitprint + 1;
- }
-
- while (1) {
- if (waitseconds) {
- sprintf (waitsprint, waitmessage, waitseconds);
- write (1, waitprint, strlen(waitprint));
- }
- r = poll(&ufds, 1, alarmlen ? 1000 : -1);
- if (r == 0) {
- /* we have waited a whole second with no keystroke... */
- waitseconds--;
- }
- if (r > 0) {
- read(0,foo,1);
- foo[0]=toupper(foo[0]);
- /* Die if we get a control-c or control-d */
- if (foo[0]==3 || foo[0]==4) reset_term(1);
- if ((!list) || strstr(list,foo)) {
- reset_term(0);
- }
- }
- }
-}
+/*
+ * getkey
+ *
+ * A very simple keygrabber.
+ *
+ */
+#include <ctype.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+#include <sys/poll.h>
+#include "popt.h"
+
+struct termios tp;
+
+void reset_term(int x) {
+ tcsetattr(0,TCSANOW,&tp);
+ exit(x);
+}
+
+int main(int argc, char **argv) {
+ char foo[2];
+ char list[100]; /* should be enough */
+ char *waitmessage = NULL;
+ char *waitprint, *waitsprint;
+ const char *fooptr;
+ int waitseconds=0;
+ int alarmlen=0;
+ int ignore_control=0;
+ int tp_if,tp_of,tp_lf;
+ int x, r;
+ struct pollfd ufds; /* only one, no need for an array... */
+ poptContext context;
+ struct poptOption options[] = {
+ { "wait", 'c', POPT_ARG_INT, &waitseconds, 0, "Number of seconds to wait for keypress", NULL },
+ /* { "message", 'm', POPT_ARG_STRING, &waitmessage, 0, "Message to print out while waiting for string", "NOTE: argument must have a \"%d\" in it so the number of seconds\nleft until getkey times out can be printed" },*/
+ { "message", 'm', POPT_ARG_STRING, &waitmessage, 0, "Message to print out while waiting for string\nNOTE: message must have a \"%d\" in it, to hold the number of seconds left to wait", NULL },
+ { "ignore-control-chars", 'i', POPT_ARG_NONE, &ignore_control, 0, "Ignore Control-C and Control-D", NULL },
+ POPT_AUTOHELP
+ POPT_TABLEEND
+ };
+
+ strcpy(list, "");
+ context = poptGetContext("getkey", argc, argv, options,
+ POPT_CONTEXT_POSIXMEHARDER);
+ poptSetOtherOptionHelp(context, "[keys]");
+
+ r = poptGetNextOpt(context);
+ if (r < -1) {
+ fprintf(stderr, "%s: %s\n",
+ poptBadOption(context, POPT_BADOPTION_NOALIAS),
+ poptStrerror(r));
+
+ return -1;
+ }
+ fooptr = poptGetArg(context);
+ if (fooptr != NULL) {
+ strncpy(list, fooptr, sizeof(list) - 1);
+ list[99] = '\0';
+ for (x=0;list[x];x++) list[x]=toupper(list[x]);
+ }
+ if (waitseconds) {
+ alarmlen = waitseconds;
+ }
+ foo[0]=foo[1]='\0';
+
+ signal(SIGTERM,reset_term);
+ alarm(alarmlen);
+ signal(SIGALRM,reset_term);
+
+ tcgetattr(0,&tp);
+ tp_if=tp.c_iflag;
+ tp_of=tp.c_oflag;
+ tp_lf=tp.c_lflag;
+ tp.c_iflag=0;
+ tp.c_oflag &= ~OPOST;
+ tp.c_lflag &= ~(ISIG | ICANON);
+ tcsetattr(0,TCSANOW,&tp);
+ tp.c_iflag=tp_if;
+ tp.c_oflag=tp_of;
+ tp.c_lflag=tp_lf;
+
+ ufds.events = POLLIN;
+ ufds.fd = 0;
+
+ if (waitseconds && waitmessage) {
+ waitprint = alloca (strlen(waitmessage)+15); /* long enough */
+ waitprint[0] = '\r';
+ waitsprint = waitprint + 1;
+ }
+
+ while (1) {
+ if (waitseconds && waitmessage) {
+ sprintf (waitsprint, waitmessage, waitseconds);
+ write (1, waitprint, strlen(waitprint));
+ }
+ r = poll(&ufds, 1, alarmlen ? 1000 : -1);
+ if (r == 0) {
+ /* we have waited a whole second with no keystroke... */
+ waitseconds--;
+ }
+ if (r > 0) {
+ read(0,foo,1);
+ foo[0]=toupper(foo[0]);
+ /* Die if we get a control-c or control-d */
+ if (ignore_control == 0) {
+ if (foo[0]==3 || foo[0]==4) reset_term(1);
+ }
+ /* Don't let a null character be interpreted as a match
+ by strstr */
+ if (foo[0] != 0) {
+ if (strcmp(list, "") == 0 || strstr(list,foo)) {
+ reset_term(0);
+ }
+ }
+ }
+ }
+}
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