From 2f6fd23b841c1f4e3c18d1cbfd228784aa8c3298 Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Sun, 29 Jul 2012 22:31:03 -0700
Subject: set40 appears to be working

---
 tools/libltgrey.c | 47 +++++++++++++++++++++++++++++++++++++++++++++--
 tools/libltgrey.h |  3 ++-
 tools/ltgrey.c    | 12 +++++++++++-
 3 files changed, 58 insertions(+), 4 deletions(-)

(limited to 'tools')

diff --git a/tools/libltgrey.c b/tools/libltgrey.c
index 38657e3..3a60daa 100644
--- a/tools/libltgrey.c
+++ b/tools/libltgrey.c
@@ -32,6 +32,11 @@ const int minimum_age(15*minute);
 const int maximum_age(32*day);
 const int probation(4*hour);
 
+// beware:  access illogically comes *before* modification
+// in the array passed to utimes:
+const int upd_ac(0);
+const int upd_mod(1);
+
 #if 0
 void exeunt(const int sts){
   if (sts == ex_good) exit(sts);
@@ -195,7 +200,7 @@ int whatsit::doit(const int penalty, const int stain){
         << ipname << "' : ";
       perror(0);
     }
-    ofstream foo;
+//???!!    ofstream foo;
     int fd = creat(ipname.c_str(), 0644);
     if (fd < 0){
       cerr << progid << ": create failed for '"
@@ -418,7 +423,45 @@ state_40 whatsit::get40(const string mid){
   gettimeofday(&now, NULL);
   int mod_age = now.tv_sec - mid_stat.st_mtime;
 //  int ac_age = now.tv_sec - mid_stat.st_atime;
-  if (mod_age < minimum_age) return young;
+  if (mod_age < minimum_age) return green;
   if (mod_age < probation) return ripe;
   return spoiled;
 }
+
+int whatsit::set40(const string mid, const int shift){
+  string fname = parent_dir + "/quarante/mid_" + mid;
+  cerr << ".... " << fname << endl;
+  int fd = creat(fname.c_str(), 0644);
+  if (fd < 0){
+    cerr << progid << ": create failed for '"
+      << fname << "' : ";
+    perror(0);
+  }
+  if (!shift) {
+    close(fd);
+    return 0;
+  }
+
+  struct stat mid_stat;
+  int rslt = fstat(fd, &mid_stat);
+  close(fd);
+  if (rslt != 0) {
+    cerr << progid << " fstat: unexpected failure for '"
+      << fname << "' : ";
+    perror(0);
+    return ex_syserr;
+  }
+
+  timeval now;
+  gettimeofday(&now, NULL);
+  timeval upd[2] = {
+    now,        // access
+    now         // modification
+  };
+  upd[upd_mod].tv_sec += shift;
+  if (utimes(fname.c_str(), upd)){
+    cerr << progid << " utimes failed!" << endl;
+    return ex_syserr;
+  }
+  return 0;
+}
diff --git a/tools/libltgrey.h b/tools/libltgrey.h
index 1724d53..cf744d1 100644
--- a/tools/libltgrey.h
+++ b/tools/libltgrey.h
@@ -5,7 +5,7 @@
 
 #define state_40_macro \
 foo(unseen)  \
-foo(young)   \
+foo(green)   \
 foo(ripe)    \
 foo(spoiled) \
 foo(fail)
@@ -40,4 +40,5 @@ public:
   void dump(const std::string var);
   int maybe_mkdir(const std::string somedir, const std::string msg);
   state_40 get40(const std::string mid);
+  int set40(const std::string mid, const int shift);
 };
diff --git a/tools/ltgrey.c b/tools/ltgrey.c
index 7a63b04..bb43b80 100644
--- a/tools/ltgrey.c
+++ b/tools/ltgrey.c
@@ -30,6 +30,7 @@ int main(int _argc, char** _argv){
   int stain(0);
   int dns_mode(0);
   string get40_mid;
+  string set40_mid;
   while (argc > 0) {
     string arg = argv[0]; argc--; argv++;
     if (prefix(arg, "-scan")) {
@@ -46,7 +47,12 @@ int main(int _argc, char** _argv){
         exeunt(ex_syserr);
       }
       get40_mid = *argv++;  argc--;
-
+    } else if (prefix(arg, "-set40")) {
+      if (!argc){
+        cerr << "Option '" << arg << "' requires an argument" << endl;
+        exeunt(ex_syserr);
+      }
+      set40_mid = *argv++;  argc--;
     } else if (prefix(arg, "-shift")
         || prefix(arg, "-shift")) {
       if (!argc){
@@ -88,6 +94,10 @@ int main(int _argc, char** _argv){
     return 0;
   }
 
+  if (set40_mid.length()){
+    return foo.set40(set40_mid, shift);
+  }
+
   if (scanmode) {
     string dirname = parent_dir + "/quarante";
     scan(foo.progid, dirname, copies);
-- 
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