summaryrefslogtreecommitdiff
path: root/packages/klibc/files
diff options
context:
space:
mode:
authorThomas Kunze <thommycheck@gmx.de>2008-04-04 20:30:47 +0000
committerThomas Kunze <thommycheck@gmx.de>2008-04-04 20:30:47 +0000
commitad67a97e8fbfb03a68088a6ca6ad87b086c88094 (patch)
tree577bd33155acb0be46d382f8a8242a4df1a4e88a /packages/klibc/files
parent04581fa9e4badad44945863d1dbf4fbfb1e340cb (diff)
klibc, klibc-utils-static: add some read options to dash
Diffstat (limited to 'packages/klibc/files')
-rw-r--r--packages/klibc/files/dash_readopt.patch105
1 files changed, 105 insertions, 0 deletions
diff --git a/packages/klibc/files/dash_readopt.patch b/packages/klibc/files/dash_readopt.patch
new file mode 100644
index 0000000000..49bc087edd
--- /dev/null
+++ b/packages/klibc/files/dash_readopt.patch
@@ -0,0 +1,105 @@
+Index: klibc-1.5/usr/dash/miscbltin.c
+===================================================================
+--- klibc-1.5.orig/usr/dash/miscbltin.c 2008-03-27 20:38:09.354564817 +0100
++++ klibc-1.5/usr/dash/miscbltin.c 2008-04-04 18:05:32.063364195 +0200
+@@ -46,6 +46,7 @@
+ #include <ctype.h>
+ #include <stdint.h>
+ #include <time.h> /* strtotimeval() */
++#include <termios.h>
+
+ #include "shell.h"
+ #include "options.h"
+@@ -83,6 +84,11 @@
+ int timeout;
+ int i;
+ fd_set set;
++ int n_flag = 0;
++ unsigned int nchars = 0;
++ int silent = 0;
++ struct termios tty, old_tty;
++
+ struct timeval ts, t0, t1, to;
+
+ ts.tv_sec = ts.tv_usec = 0;
+@@ -90,11 +96,18 @@
+ rflag = 0;
+ timeout = 0;
+ prompt = NULL;
+- while ((i = nextopt("p:rt:")) != '\0') {
++ while ((i = nextopt("p:rt:n:s")) != '\0') {
+ switch(i) {
+ case 'p':
+ prompt = optionarg;
+ break;
++ case 'n':
++ nchars = strtoul(optionarg, NULL, 10);
++ n_flag = nchars; /* just a flag "nchars is nonzero" */
++ break;
++ case 's':
++ silent = 1;
++ break;
+ case 't':
+ p = strtotimeval(optionarg, &ts);
+ if (*p || (!ts.tv_sec && !ts.tv_usec))
+@@ -118,6 +131,23 @@
+ sh_error("arg count");
+ if ((ifs = bltinlookup("IFS")) == NULL)
+ ifs = defifs;
++ if (n_flag || silent) {
++ if (tcgetattr(0, &tty) != 0) {
++ /* Not a tty */
++ n_flag = 0;
++ silent = 0;
++ } else {
++ old_tty = tty;
++ if (n_flag) {
++ tty.c_lflag &= ~ICANON;
++ tty.c_cc[VMIN] = nchars < 256 ? nchars : 255;
++ }
++ if (silent) {
++ tty.c_lflag &= ~(ECHO | ECHOK | ECHONL);
++ }
++ tcsetattr(0, TCSANOW, &tty);
++ }
++ }
+ status = 0;
+ startword = 1;
+ backslash = 0;
+@@ -133,13 +163,15 @@
+ ts.tv_sec += t0.tv_sec;
+ }
+ STARTSTACKSTR(p);
+- for (;;) {
++ do {
+ if (timeout) {
+ gettimeofday(&t1, NULL);
+ if (t1.tv_sec > ts.tv_sec ||
+ (t1.tv_sec == ts.tv_sec &&
+ t1.tv_usec >= ts.tv_usec)) {
+ status = 1;
++ if (n_flag)
++ tcsetattr(0, TCSANOW, &old_tty);
+ break; /* Timeout! */
+ }
+
+@@ -156,6 +188,8 @@
+ FD_SET(0, &set);
+ if (select(1, &set, NULL, NULL, &to) != 1) {
+ status = 1;
++ if (n_flag)
++ tcsetattr(0, TCSANOW, &old_tty);
+ break; /* Timeout! */
+ }
+ }
+@@ -191,7 +225,9 @@
+ put:
+ STPUTC(c, p);
+ }
+- }
++ } while (!n_flag || --nchars);
++ if (n_flag || silent)
++ tcsetattr(0, TCSANOW, &old_tty);
+ STACKSTRNUL(p);
+ /* Remove trailing blanks */
+ while ((char *)stackblock() <= --p && strchr(ifs, *p) != NULL)