projs/20161106_kicker/c_main.c

// $Header$
//-------------------------------------------------------------------------------------------------
//This file is part of "kicker", a program for spawning threads and/or processes periodically in
//order to unstall certain Windows programs and scripts.  The cause of the stall is unknown, but
//it is known that spawning threads and/or processes unstalls the system.
//-------------------------------------------------------------------------------------------------
//This source code and any program in which it is compiled/used is provided under the MIT License,
//reproduced below.
//-------------------------------------------------------------------------------------------------
//Permission is hereby granted, free of charge, to any person obtaining a copy of
//this software and associated documentation files(the "Software"), to deal in the
//Software without restriction, including without limitation the rights to use,
//copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the
//Software, and to permit persons to whom the Software is furnished to do so,
//subject to the following conditions :
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.
//-------------------------------------------------------------------------------------------------
#include <assert.h>
#include <malloc.h>
#include <process.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <windows.h>

#define NELEM(A)  (sizeof(A)/sizeof(A[0]))

void emit_hline_std(void)
{
   printf("----------------------------------------------------------------------------------\n");
}

void emit_mit_license(void)
{
   const char *ref[] =
   {
      "Permission is hereby granted, free of charge, to any person obtaining a copy of",
      "this software and associated documentation files(the \"Software\"), to deal in the",
      "Software without restriction, including without limitation the rights to use,",
      "copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the",
      "Software, and to permit persons to whom the Software is furnished to do so,",
      "subject to the following conditions :",
      "",
      "The above copyright notice and this permission notice shall be included in all",
      "copies or substantial portions of the Software.",
      "",
      "THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR",
      "IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,",
      "FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE",
      "AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER",
      "LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,",
      "OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE",
      "SOFTWARE."
   };

   size_t i;

   for (i=0; i<NELEM(ref); i++)
   {
      printf("%s\n", ref[i]);
   }
}

const char *kickish_words[] = 
{
   "Kick",
   "Smack",
   "Slug",
   "Punch",
   "Assault",
   "Hit",
   "Strike",
   "Slap",
   "Smack",
   "Spank",
   "Cuff",
   "Thump",
   "Swat",
   "Beat",
   "Thrash",
   "Batter",
   "Pound",
   "Pummel",
   "Box",
   "Whip",
   "Flog",
   "Cane",
   "Wallop",
   "Bash",
   "Bop",
   "Clout",
   "Clip",
   "Clobber",
   "Sock",
   "Swipe",
   "Crown",
   "Belt",
   "Tan",
   "Deck",
   "Floor",
   "Bump",
   "Knock",
   "Bang",
   "Tap",
   "Welt"
};

volatile int ctrl_c_or_break_pressed = 0;  //volatile because the Visual C++ environment spawns a thread to handle
                                           //CTRL-C or CTRL-BREAK.

BOOL CtrlHandler(DWORD fdwCtrlType)
{
   switch (fdwCtrlType)
   {
      case CTRL_C_EVENT:
      case CTRL_BREAK_EVENT:
         ctrl_c_or_break_pressed = 1;
         return(TRUE);
      //There is no default case.  There is no break statement.  I've assigned a
      //magic number to a variable.  But the function still works fine.
      //Can you believe it?  It must be a miracle!
   }

   return(FALSE);  //Did I mention the multiple return points?  This program should
                   //blow up and wipe out several city blocks!
}

int c_main(int argc, char* argv[])
{
   size_t selector = NELEM(kickish_words) - 1;
   size_t ui;
   int first_time = 1;

   emit_hline_std();
   printf("kicker, Copyright 2016 David T. Ashley (dashley@gmail.com)\n");
   emit_hline_std();
   printf("This program is provided under the MIT License, reproduced below.\n");
   emit_hline_std();
   emit_mit_license();
   emit_hline_std();
   printf("This program accepts no command-line arguments and simply spawns a new thread\n");
   printf("approximately every 1 second.  The purpose of the program is to prevent\n");
   printf("certain stalls that occur under Windows when running some programs/scripts\n");
   printf("It is known that spawning a new thread periodically unstalls the programs/\n");
   printf("scripts.  The program can be terminated with CTRL-C or CTRL-BREAK.\n");
   emit_hline_std();

   SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE);
      //Yes, I know I'm supposed to check the return code.

   while (! ctrl_c_or_break_pressed)
   {
       //Backspace over the previous word.
       if (! first_time)
       {
          //Beep(750, 500);

          for (ui = 0; ui < (strlen(kickish_words[selector]) + 1); ui++)
          {
             printf("%c", (char)8);
          }
          for (ui = 0; ui < (strlen(kickish_words[selector]) + 1); ui++)
          {
             printf(" ");
          }
          for (ui = 0; ui < (strlen(kickish_words[selector]) + 1); ui++)
          {
             printf("%c", (char)8);
          }
       }

       first_time = 0;

       //Go to next string.
       if (selector < (NELEM(kickish_words) - 1))
          selector++;
       else
          selector = 0;

       //Print the description.
       printf("%s!", kickish_words[selector]);

       //Delay.  Sleep() is likely the most effective way to not waste CPU capacity.
       Sleep(1000);
   }

   printf("\n");
   emit_hline_std();
   printf("Program terminated with CTRL-C or CTRL-BREAK.\n");
   emit_hline_std();

   return(0);
}

// End of c_main.c.
1	// $Header$
2	//-------------------------------------------------------------------------------------------------
3	//This file is part of "kicker", a program for spawning threads and/or processes periodically in
4	//order to unstall certain Windows programs and scripts. The cause of the stall is unknown, but
5	//it is known that spawning threads and/or processes unstalls the system.
6	//-------------------------------------------------------------------------------------------------
7	//This source code and any program in which it is compiled/used is provided under the MIT License,
8	//reproduced below.
9	//-------------------------------------------------------------------------------------------------
10	//Permission is hereby granted, free of charge, to any person obtaining a copy of
11	//this software and associated documentation files(the "Software"), to deal in the
12	//Software without restriction, including without limitation the rights to use,
13	//copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the
14	//Software, and to permit persons to whom the Software is furnished to do so,
15	//subject to the following conditions :
16	//
17	//The above copyright notice and this permission notice shall be included in all
18	//copies or substantial portions of the Software.
19	//
20	//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21	//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22	//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
23	//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24	//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25	//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26	//SOFTWARE.
27	//-------------------------------------------------------------------------------------------------
28	#include <assert.h>
29	#include <malloc.h>
30	#include <process.h>
31	#include <stdio.h>
32	#include <string.h>
33	#include <time.h>
34	#include <windows.h>
35
36	#define NELEM(A) (sizeof(A)/sizeof(A[0]))
37
38	void emit_hline_std(void)
39	{
40	printf("----------------------------------------------------------------------------------\n");
41	}
42
43	void emit_mit_license(void)
44	{
45	const char *ref[] =
46	{
47	"Permission is hereby granted, free of charge, to any person obtaining a copy of",
48	"this software and associated documentation files(the \"Software\"), to deal in the",
49	"Software without restriction, including without limitation the rights to use,",
50	"copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the",
51	"Software, and to permit persons to whom the Software is furnished to do so,",
52	"subject to the following conditions :",
53	"",
54	"The above copyright notice and this permission notice shall be included in all",
55	"copies or substantial portions of the Software.",
56	"",
57	"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR",
58	"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,",
59	"FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE",
60	"AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER",
61	"LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,",
62	"OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE",
63	"SOFTWARE."
64	};
65
66	size_t i;
67
68	for (i=0; i<NELEM(ref); i++)
69	{
70	printf("%s\n", ref[i]);
71	}
72	}
73
74	const char *kickish_words[] =
75	{
76	"Kick",
77	"Smack",
78	"Slug",
79	"Punch",
80	"Assault",
81	"Hit",
82	"Strike",
83	"Slap",
84	"Smack",
85	"Spank",
86	"Cuff",
87	"Thump",
88	"Swat",
89	"Beat",
90	"Thrash",
91	"Batter",
92	"Pound",
93	"Pummel",
94	"Box",
95	"Whip",
96	"Flog",
97	"Cane",
98	"Wallop",
99	"Bash",
100	"Bop",
101	"Clout",
102	"Clip",
103	"Clobber",
104	"Sock",
105	"Swipe",
106	"Crown",
107	"Belt",
108	"Tan",
109	"Deck",
110	"Floor",
111	"Bump",
112	"Knock",
113	"Bang",
114	"Tap",
115	"Welt"
116	};
117
118	volatile int ctrl_c_or_break_pressed = 0; //volatile because the Visual C++ environment spawns a thread to handle
119	//CTRL-C or CTRL-BREAK.
120
121	BOOL CtrlHandler(DWORD fdwCtrlType)
122	{
123	switch (fdwCtrlType)
124	{
125	case CTRL_C_EVENT:
126	case CTRL_BREAK_EVENT:
127	ctrl_c_or_break_pressed = 1;
128	return(TRUE);
129	//There is no default case. There is no break statement. I've assigned a
130	//magic number to a variable. But the function still works fine.
131	//Can you believe it? It must be a miracle!
132	}
133
134	return(FALSE); //Did I mention the multiple return points? This program should
135	//blow up and wipe out several city blocks!
136	}
137
138	int c_main(int argc, char* argv[])
139	{
140	size_t selector = NELEM(kickish_words) - 1;
141	size_t ui;
142	int first_time = 1;
143
144	emit_hline_std();
145	printf("kicker, Copyright 2016 David T. Ashley (dashley@gmail.com)\n");
146	emit_hline_std();
147	printf("This program is provided under the MIT License, reproduced below.\n");
148	emit_hline_std();
149	emit_mit_license();
150	emit_hline_std();
151	printf("This program accepts no command-line arguments and simply spawns a new thread\n");
152	printf("approximately every 1 second. The purpose of the program is to prevent\n");
153	printf("certain stalls that occur under Windows when running some programs/scripts\n");
154	printf("It is known that spawning a new thread periodically unstalls the programs/\n");
155	printf("scripts. The program can be terminated with CTRL-C or CTRL-BREAK.\n");
156	emit_hline_std();
157
158	SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE);
159	//Yes, I know I'm supposed to check the return code.
160
161	while (! ctrl_c_or_break_pressed)
162	{
163	//Backspace over the previous word.
164	if (! first_time)
165	{
166	//Beep(750, 500);
167
168	for (ui = 0; ui < (strlen(kickish_words[selector]) + 1); ui++)
169	{
170	printf("%c", (char)8);
171	}
172	for (ui = 0; ui < (strlen(kickish_words[selector]) + 1); ui++)
173	{
174	printf(" ");
175	}
176	for (ui = 0; ui < (strlen(kickish_words[selector]) + 1); ui++)
177	{
178	printf("%c", (char)8);
179	}
180	}
181
182	first_time = 0;
183
184	//Go to next string.
185	if (selector < (NELEM(kickish_words) - 1))
186	selector++;
187	else
188	selector = 0;
189
190	//Print the description.
191	printf("%s!", kickish_words[selector]);
192
193	//Delay. Sleep() is likely the most effective way to not waste CPU capacity.
194	Sleep(1000);
195	}
196
197	printf("\n");
198	emit_hline_std();
199	printf("Program terminated with CTRL-C or CTRL-BREAK.\n");
200	emit_hline_std();
201
202	return(0);
203	}
204
205	// End of c_main.c.