From 72d1a2357d2168f241458e4d6cebb7589ac82f4f Mon Sep 17 00:00:00 2001
From: Paul Fox <pgf@brightstareng.com>
Date: Fri, 13 Jan 2006 21:05:41 +0000
Subject: add find's "-mmin" option.  configurable.

---
 findutils/Config.in | 10 +++++++++-
 findutils/find.c    | 27 +++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)

(limited to 'findutils')

diff --git a/findutils/Config.in b/findutils/Config.in
index 3c28ec03a..050fe901d 100644
--- a/findutils/Config.in
+++ b/findutils/Config.in
@@ -17,7 +17,15 @@ config CONFIG_FEATURE_FIND_MTIME
 	depends on CONFIG_FIND
 	help
 	  Allow searching based on the modification time of
-	  files.
+	  files, in days.
+
+config CONFIG_FEATURE_FIND_MMIN
+	bool "  Enable modified time matching (-min) option"
+	default y
+	depends on CONFIG_FIND
+	help
+	  Allow searching based on the modification time of
+	  files, in minutes.
 
 config CONFIG_FEATURE_FIND_PERM
 	bool "  Enable permissions matching (-perm) option"
diff --git a/findutils/find.c b/findutils/find.c
index 75ed4e208..603c20643 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -53,6 +53,11 @@ static char mtime_char;
 static int mtime_days;
 #endif
 
+#ifdef CONFIG_FEATURE_FIND_MMIN
+static char mmin_char;
+static int mmin_mins;
+#endif
+
 #ifdef CONFIG_FEATURE_FIND_XDEV
 static dev_t *xdev_dev;
 static int xdev_count = 0;
@@ -109,6 +114,17 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
 			goto no_match;
 	}
 #endif
+#ifdef CONFIG_FEATURE_FIND_MMIN
+	if (mmin_char != 0) {
+		time_t file_age = time(NULL) - statbuf->st_mtime;
+		time_t mmin_secs = mmin_mins * 60;
+		if (!((isdigit(mmin_char) && file_age >= mmin_secs &&
+						file_age < mmin_secs + 60) ||
+				(mmin_char == '+' && file_age >= mmin_secs + 60) ||
+				(mmin_char == '-' && file_age < mmin_secs)))
+			goto no_match;
+	}
+#endif
 #ifdef CONFIG_FEATURE_FIND_XDEV
 	if (xdev_count) {
 		int i;
@@ -239,6 +255,17 @@ int find_main(int argc, char **argv)
 			if ((mtime_char = argv[i][0]) == '-')
 				mtime_days = -mtime_days;
 #endif
+#ifdef CONFIG_FEATURE_FIND_MMIN
+		} else if (strcmp(argv[i], "-mmin") == 0) {
+			char *end;
+			if (++i == argc)
+				bb_error_msg_and_die(msg_req_arg, "-mmin");
+			mmin_mins = strtol(argv[i], &end, 10);
+			if (end[0] != '\0')
+				bb_error_msg_and_die(msg_invalid_arg, argv[i], "-mmin");
+			if ((mmin_char = argv[i][0]) == '-')
+				mmin_mins = -mmin_mins;
+#endif
 #ifdef CONFIG_FEATURE_FIND_XDEV
 		} else if (strcmp(argv[i], "-xdev") == 0) {
 			struct stat stbuf;
-- 
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