Page MenuHomeFreeBSD
Files F153077266

D35840.id114627.diff
No OneTemporary
Actions

D35840.id114627.diff
View Options

Index: bin/sh/parser.c
===================================================================
--- bin/sh/parser.c
+++ bin/sh/parser.c
@@ -45,6 +45,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
+#include <time.h>
#include "shell.h"
#include "parser.h"
@@ -2088,6 +2089,60 @@
ps[i] = '\\';
break;
+ /*
+ * Print time or date as per provided format.
+ */
+ case 'D': {
+ char tfmt[128], *len;
+ time_t now;
+
+ if (fmt[1] != '{') {
+ /*
+ * "\D" but not "\D{", so treat the
+ * '\' literally and rewind fmt to
+ * treat 'D' literally next iteration.
+ */
+ ps[i] = '\\';
+ fmt--;
+ break;
+ }
+ /*
+ * Consume the 'D' character and try to copy
+ * fmt from after '{' until '}'.
+ * Don't consume '{' from fmt yet.
+ */
+ fmt++;
+ len = memccpy(tfmt, fmt + 1, '}', sizeof(tfmt));
+ if (len == NULL) {
+ /*
+ * Format too long or '}' not found,
+ * so ignore "\D{" altogether.
+ * The loop will do i++, but nothing
+ * was written to ps, so do i-- here.
+ * "fmt++" will consume the '{'.
+ */
+ i--;
+ break;
+ }
+ /*
+ * Either way, consume fmt until '}'. The loop
+ * will do fmt++ to finally consume the '}'.
+ */
+ if (len - tfmt == 1) {
+ /* "\D{}" is documented to mean %X. */
+ fmt++;
+ strcpy(tfmt, "%X");
+ } else {
+ fmt += len - tfmt;
+ /* Truncate tfmt before '}'. */
+ *--len = '\0';
+ }
+ now = time(NULL);
+ i += strftime(&ps[i], PROMPTLEN - i - 1,
+ tfmt, localtime(&now)) - 1;
+ }
+ break;
+
/*
* CRLF sequence
*/
Index: bin/sh/sh.1
===================================================================
--- bin/sh/sh.1
+++ bin/sh/sh.1
@@ -1428,6 +1428,18 @@
may include any of the following formatting sequences,
which are replaced by the given information:
.Bl -tag -width indent
+.It Li \eD{format}
+The result of calling
+.Xr strftime 3
+with the provided
+.Ar format .
+and the current time.
+The braces are required.
+Empty
+.Ar format
+is equivalent to
+\&%X,
+national representation of the time.
.It Li \eH
This system's fully-qualified hostname (FQDN).
.It Li \eh

File Metadata

Mime Type
text/plain
Expires
Sun, Apr 19, 11:56 PM (10 h, 34 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
31809610
Default Alt Text
D35840.id114627.diff (2 KB)

Event Timeline