From: Jean-Marc Pigeon (Delson) <jmp@safe.ca>
Date: Tue, 9 Jul 2024 15:05:33 +0000 (-0400)
Subject: Adding command line title capability
X-Git-Tag: tag-0.2~4
X-Git-Url: https://jmp-git.ovh.safe.ca/?a=commitdiff_plain;h=caa2d3bd83ed2219d6a7d3a55a3fc1eda7f1bd3f;p=jmp%2Fmailleur

Adding command line title capability
---

diff --git a/app/maild.c b/app/maild.c
index 7e2ba5e..bea11be 100644
--- a/app/maild.c
+++ b/app/maild.c
@@ -24,7 +24,8 @@ static void task()
 
 {
 (void) rou_alert(0,"JMPDBG starting task");
-(void) sleep(5);
+(void) prc_settitle("JMPDBG bingo!");
+(void) sleep(10);
 (void) rou_alert(0,"JMPDBG task completed");
 }
 /*
@@ -63,6 +64,7 @@ while (proceed==true) {
           proceed=false;//Dive mode 
       break;
     case 2      :       //initialising process
+      (void) prc_preptitle(argc,argv,environ);
       (void) rou_modesubrou(true);
       (void) par_modeunipar(true);
       (void) prc_modeuniprc(true);
@@ -70,10 +72,13 @@ while (proceed==true) {
     case 3      :       //doing main tash
       (void) task();
       break;
-    default     :       //end of task
+    case 4      :       //doing main tash
+      (void) prc_cleantitle();
       (void) prc_modeuniprc(false);
       (void) par_modeunipar(false);
       (void) rou_modesubrou(false);
+      break;
+    default     :       //end of task
       proceed=false;
       break;
     }
diff --git a/lib/subrou.c b/lib/subrou.c
index aca5e46..ae0ddd9 100644
--- a/lib/subrou.c
+++ b/lib/subrou.c
@@ -14,7 +14,7 @@
 
 //version definition 
 #define VERSION "0.1"
-#define RELEASE "9"
+#define RELEASE "10"
 
 //Public variables
 PUBLIC  int debug=0;            //debug level
diff --git a/lib/uniprc.c b/lib/uniprc.c
index f07cef6..4ff3b29 100644
--- a/lib/uniprc.c
+++ b/lib/uniprc.c
@@ -21,11 +21,19 @@
 #include        "subrou.h"
 #include        "uniprc.h"
 
-
 //directory to set lock
 #define DIRLOCK                 "/var/run/"APPNAME
 
-static  _Bool modopen;          //boolean module open/close
+/*Process command override structure (proc)	*/
+typedef	struct	{
+	int max;	//title max size
+	char *title;	//title storage area
+	}TITLTYP;
+
+static  TITLTYP *title=(TITLTYP *)0;    //storage area for /proc
+                                        //title display
+static  _Bool modopen;                  //boolean module open/close
+
 /*
 
 */
@@ -258,6 +266,96 @@ return childpid;
 #undef	OPEP
 }
 /*
+
+*/
+/********************************************************/
+/*                                                      */
+/*	Procedure to free used by "title" struct memory.*/
+/*                                                      */
+/********************************************************/
+void prc_cleantitle()
+
+{
+if (title!=(TITLTYP *)0) {
+  if (environ!=(char **)0) {
+    int i;
+
+    for (i=0;environ[i]!=(char *)0;i++) {
+      (void) free(environ[i]);
+      environ[i]=(char *)0;
+      }
+    (void) free(environ);
+    environ=(char **)0;
+    }
+  (void) free(title);
+  title=(TITLTYP *)0;
+  }
+}
+/*
+
+*/
+/********************************************************/
+/*                                                      */
+/*						        */
+/*	Procedure to find and limit space to	        */
+/*	be used as status information available	        */
+/*	from proc (ps ax)			        */
+/*                                                      */
+/********************************************************/
+void prc_preptitle(int argc,char *argv[],char *env[])
+
+{
+char *lastend;
+
+lastend=(char *)0;
+(void) prc_cleantitle();
+title=(TITLTYP *)calloc(1,sizeof(TITLTYP));
+if (argv!=(char **)0) {
+  int i;
+
+  title->title=argv[0];
+  for (i=1;i<argc;i++) {
+    lastend=argv[i]+strlen(argv[i]);
+    argv[i]=(char *)0;
+    }
+  }
+if (env!=(char **)0) {
+  int i;
+
+  environ=(char **)0;
+  for (i=0;env[i]!=(char *)0;i++) {
+    char *valeur;
+
+    lastend=env[i]+strlen(env[i]);
+    valeur=strdup(env[i]);
+    (void) putenv(valeur);
+    }
+  }
+title->max=lastend-title->title;
+}
+/*
+^L
+*/
+/********************************************************/
+/*                                                      */
+/*	Procedure to update title information.          */
+/*      Title information is avalable via the           */
+/*      CLI (commande line interface) "ps"              */
+/*                                                      */
+/********************************************************/
+void prc_settitle(const char *fmt,...)
+
+{
+va_list args;
+
+va_start(args,fmt);
+if ((title!=(TITLTYP *)0)&&(title->title!=(char *)0)) {
+  (void) memset(title->title,'\000',title->max);
+  (void) vsnprintf(title->title,title->max,fmt,args);
+  }
+va_end(args);
+}
+/*
 ^L
 */
 /********************************************************/
diff --git a/lib/uniprc.h b/lib/uniprc.h
index 0bea404..d188ae2 100644
--- a/lib/uniprc.h
+++ b/lib/uniprc.h
@@ -13,9 +13,20 @@
 
 #include        "subrou.h"
 
+extern char **environ;          //context enviromenent variable
+
 #define LCK_UNLOCK   0	/*unlocking request	*/
 #define	LCK_LOCK     1	/*locking requets	*/
 
+//To clean the command line title area
+extern void prc_cleantitle();
+
+//To duplicate enviromenet library and used as command line data
+extern void prc_preptitle(int argc,char *argv[],char *env[]);
+
+//To insert a string in the command area
+extern void prc_settitle(const char *fmt,...);
+
 //To allow application to core dump is memory is
 //big trouble need to be investigated
 extern void prc_allow_core_dump();