daily upload

10_plus/10.15.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+int main (void)
+{
+	int zippo[4][2] = 
+	{
+		{2, 4}, {6, 8}, {1, 3}, {5, 7}
+	};
+
+	printf ("   zippo = %p,    zippo + 1 = %p\n", zippo, zippo + 1);
+	printf ("zippo[0] = %p, zippo[0] + 1 = %p\n", zippo[0], zippo[0] +1);
+	printf ("  *zippo = %p,   *zippo + 1 = %p\n", *zippo, *zippo + 1);
+	printf ("zippo[0][0] = %d\n", zippo[0][0]);
+	printf ("*zippo[0] = %d\n", *zippo[0]);
+	printf ("**zippo = %d\n", **zippo);
+	printf ("zippo[2][1] = %d\n", zippo[2][1]);
+	printf ("*(*zippo + 2) + 1 = %d\n", *(*(zippo + 2) + 1));
+
+	return 0;
+}

10_plus/10.16.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+int main (void)
+{
+	int zippo[4][2] = {{2, 4}, {6, 8}, {1, 3}, {5, 7}};
+	int (*pz)[2];
+	pz = zippo;
+
+	printf ("pz = %p, pz + 1 = %p\n\n", pz, pz + 1);
+	printf ("pz[0] = %p, pz[0] + 1 = %p\n\n", pz[0], pz[0] + 1);
+	printf ("*pz = %p, *pz + 1 = %p\n\n", *pz, *pz + 1);
+	printf ("pz[0][0] = %d\n", pz[0][0]);
+	printf ("*pz[0] = %d\n", *pz[0]);
+	printf ("**pz = %d\n", **pz);
+	printf ("pz[2][1] = %d\n", pz[2][1]);
+	printf ("*(*(pz + 2) + 1) = %d\n", *(*(pz + 2) + 1));
+
+	return 0;
+}

10_plus/10.17.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include "10.17_18.h"
+int main (void)
+{
+	int junk[ROWS][COLS] = 
+	{
+		{2, 4, 6, 8},
+		{3, 5, 7, 9},
+		{12, 10, 8, 6}
+	};
+
+	sum_rows (junk, ROWS);
+	sum_cols (junk, ROWS);
+	printf ("Sum of all elements = %d\n", sum2d (junk, ROWS));
+
+	return 0;
+}

10_plus/10.17_18.h

@@ -0,0 +1,5 @@
+#define ROWS 3
+#define COLS 4
+void sum_rows (int ar[][COLS], int rows);
+void sum_cols (int ar[][COLS], int rows);
+int sum2d (int (*ar)[COLS], int rows);

10_plus/10.18.c

@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include "10.17_18.h"
+void sum_rows (int ar[][COLS], int rows)
+{
+	int r;
+	int c;
+	int tot;
+
+	for (r = 0; r < rows; r ++)
+	{
+		tot = 0;
+		for (c = 0; c < COLS; c ++)
+		{
+			tot += ar[r][c];
+		}
+		printf ("row %d: sum = %d\n", r, tot);
+	}
+}
+void sum_cols (int ar[][COLS], int rows)
+{
+	int r;
+	int c;
+	int tot;
+
+	for (c = 0; c < COLS; c ++)
+	{
+		tot = 0;
+		for (r = 0; r < rows; r ++)
+		{
+			tot += ar[r][c];
+		}
+		printf ("col %d: sum = %d\n", c, tot);
+	}
+}
+int sum2d (int ar[][COLS], int rows)
+{
+	int r;
+	int c;
+	int tot = 0;
+
+	for (r = 0; r < rows; r ++)
+	{
+		for (c = 0; c < COLS; c ++)
+		{
+			tot += ar[r][c];
+		}
+	}
+
+	return tot;
+}

10_plus/10.19.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include "10.19_20.h"
+int main (void)
+{
+	int i, j;
+	int rs = 3;
+	int cs = 10;
+
+	int junk[ROWS][COLS] = 
+	{
+		{2, 4, 6, 8},
+		{3, 5, 7, 9},
+		{12, 10, 8, 6}
+	};
+	int morejunk[ROWS - 1][COLS + 2] = 
+	{
+		{20, 30, 40, 50, 60, 70},
+		{5, 6, 7, 8, 9, 10}
+	};
+	int varr[rs][cs];
+
+	for (i = 0; i < rs; i ++)
+	{
+		for (j = 0; j < cs; j ++)
+		{
+			varr[i][j] = i * j + j;
+		}
+	}
+	printf ("3 * 5 array\n");
+	printf ("Sum or all elements = %d\n", sum2d (ROWS, COLS, junk));
+	printf ("2 * 6 array\n");
+	printf ("Sum of all elements = %d\n", sum2d (ROWS -1, COLS + 2, morejunk));
+	printf ("3 * 10 VLA\n");
+	printf ("Sum of all elements = %d\n", sum2d (rs, cs, varr));
+
+	return 0;
+}

10_plus/10.19_20.h

@@ -0,0 +1,4 @@
+#define ROWS 3
+#define COLS 4
+int sum2d (int rows, int cols, int ar[rows][cols]);
+

10_plus/10.20.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include "10.19_20.h"
+int sum2d (int rows, int cols, int ar[rows][cols])
+{
+	int r;
+	int c;
+	int tot = 0;
+
+	for (r = 0; r < rows; r ++)
+	{
+		for (c = 0; c < cols; c ++)
+		{
+			tot += ar[r][c];
+		}
+	}
+
+	return tot;
+}

10_plus/10.21.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include "10.21_22.h"
+int main (void)
+{
+	int total1, total2, total3;
+	int * pt1;
+	int(*pt2)[COLS];
+
+	pt1 = (int[2]){10, 20};
+	pt2 = (int[2][COLS]){{1, 2, 3, -9}, {4, 5, 6, -8}};
+	total1 = sum (pt1, 2);
+	total2 = sum2d(pt2, 2);
+	total3 = sum ((int []){4, 4, 4, 5, 5, 5}, 6);
+	printf ("total1 = %d\n", total1);
+	printf ("total2 = %d\n", total2);
+	printf ("total3 = %d\n", total3);
+
+	return 0;
+}

10_plus/10.21_22.h

@@ -0,0 +1,3 @@
+#define COLS 4
+int sum2d (const int ar[][COLS], int rows);
+int sum (const int ar[], int n);

10_plus/10.22.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include "10.21_22.h"
+int sum (const int ar[], int n)
+{
+	int i;
+	int total = 0;
+
+	for (i = 0; i < n; i ++)
+	{
+		total += ar[i];
+	}
+
+	return total;
+}
+int sum2d (const int ar[][COLS], int rows)
+{
+	int r;
+	int c;
+	int tot = 0;
+
+	for (r = 0; r < rows; r ++)
+	{
+		for (c = 0; c < COLS; c ++)
+		{
+			tot += ar[r][c];
+		}
+	}
+
+	return tot;
+}

10_plus/10.23.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+int main (void)
+{
+	int ref[] = {8, 4, 0, 2};
+	int *ptr;
+	int index;
+
+	printf ("%d\n", *++ref);
+	for (index = 0; index < 4; index ++, ptr ++)
+	{
+		printf ("%d %d %d\n", index, ref[index], *ptr);
+	}
+
+	return 0;
+}

10_plus/10.24.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+int main (void)
+{
+	int * ptr;
+	int trof[2][2] = {12, 14, 16};
+	int trof_2[2][2] = {{12}, {14, 16}};
+
+	ptr = trof[0];
+	printf ("*ptr = %d ptr = %p\n", *ptr, ptr);
+	printf ("*(ptr + 2) = %d ptr + 2 = %p\n", *(ptr + 2), ptr + 2);
+	ptr = trof_2[0];
+	printf ("*ptr2 = %d ptr2 = %p\n", *ptr, ptr);
+	printf ("*(ptr2 + 2) = %d ptr2 + 2 = %p\n", *(ptr + 2), ptr + 2);
+
+	return 0;
+}

CMakeLists.txt

@@ -6,5 +6,5 @@ set(CMAKE_CXX_STANDARD 14)
 include_directories(9)
 
 add_executable(C_primer
-        10_plus/10.13.c 10_plus/10.14.c 10_plus/10.13_14.h
+        10_plus/10.23.c
 )

cmake-build-debug/.cmake/api/v1/reply/codemodel-v2-06f5439d6793c55423fd.json → cmake-build-debug/.cmake/api/v1/reply/codemodel-v2-8cc01aa64a5d769a8dbe.json

@@ -39,7 +39,7 @@
 				{
 					"directoryIndex" : 0,
 					"id" : "C_primer::@6890427a1f51a3e7e1df",
-					"jsonFile" : "target-C_primer-Debug-fe2f8957925620870bf8.json",
+					"jsonFile" : "target-C_primer-Debug-4ba02d12a23351dc7203.json",
 					"name" : "C_primer",
 					"projectIndex" : 0
 				}

cmake-build-debug/.cmake/api/v1/reply/index-2023-12-17T14-34-19-0817.json → cmake-build-debug/.cmake/api/v1/reply/index-2023-12-20T08-58-04-0037.json

@@ -26,7 +26,7 @@
 	"objects" : 
 	[
 		{
-			"jsonFile" : "codemodel-v2-06f5439d6793c55423fd.json",
+			"jsonFile" : "codemodel-v2-8cc01aa64a5d769a8dbe.json",
 			"kind" : "codemodel",
 			"version" : 
 			{
@@ -86,7 +86,7 @@
 		},
 		"codemodel-v2" : 
 		{
-			"jsonFile" : "codemodel-v2-06f5439d6793c55423fd.json",
+			"jsonFile" : "codemodel-v2-8cc01aa64a5d769a8dbe.json",
 			"kind" : "codemodel",
 			"version" : 
 			{

cmake-build-debug/.cmake/api/v1/reply/target-C_primer-Debug-fe2f8957925620870bf8.json → cmake-build-debug/.cmake/api/v1/reply/target-C_primer-Debug-4ba02d12a23351dc7203.json

@@ -55,8 +55,7 @@
 			"language" : "C",
 			"sourceIndexes" : 
 			[
-				0,
-				1
+				0
 			]
 		}
 	],
@@ -89,15 +88,7 @@
 			"name" : "Source Files",
 			"sourceIndexes" : 
 			[
-				0,
-				1
-			]
-		},
-		{
-			"name" : "Header Files",
-			"sourceIndexes" : 
-			[
-				2
+				0
 			]
 		}
 	],
@@ -106,19 +97,8 @@
 		{
 			"backtrace" : 1,
 			"compileGroupIndex" : 0,
-			"path" : "10_plus/10.13.c",
-			"sourceGroupIndex" : 0
-		},
-		{
-			"backtrace" : 1,
-			"compileGroupIndex" : 0,
-			"path" : "10_plus/10.14.c",
+			"path" : "10_plus/10.23.c",
 			"sourceGroupIndex" : 0
-		},
-		{
-			"backtrace" : 1,
-			"path" : "10_plus/10.13_14.h",
-			"sourceGroupIndex" : 1
 		}
 	],
 	"type" : "EXECUTABLE"

cmake-build-debug/.ninja_log

@@ -1,12 +1,12 @@
 # ninja log v5
-335	503	1702822896535710815	C_primer	5cb5d6dfc54446d4
+433	1450	1702958014858365474	C_primer	d7434207347cad4d
 4	335	1702822896367170007	CMakeFiles/C_primer.dir/9_plus/9_plus/9.36.c.o	9f95dd8b31879556
+1	144	1702825381558358062	CMakeFiles/C_primer.dir/10_plus/10.14.c.o	27c11ea85739635
 0	267	1702717481449984888	CMakeFiles/C_primer.dir/10_plus/10.12.c.o	d0b2887c66daa4b1
+0	431	1702958013825178426	CMakeFiles/C_primer.dir/10_plus/10.15.c.o	3cd52d55636f54b
 0	305	1702822896335875576	CMakeFiles/C_primer.dir/9_plus/9_plus/9.35.c.o	c09ce47479a5514a
-1	823	1702825261308715094	CMakeFiles/C_primer.dir/10_plus/10.13.c.o	7bef308e0e43b8ac
-3	825	1702825261305992604	CMakeFiles/C_primer.dir/10_plus/10.14.c.o	27c11ea85739635
-826	962	1702825261443792962	C_primer	a3cbc96ef3d4c1f7
-0	110	1702825272983423224	CMakeFiles/C_primer.dir/10_plus/10.13.c.o	7bef308e0e43b8ac
 1	138	1702825381555261318	CMakeFiles/C_primer.dir/10_plus/10.13.c.o	7bef308e0e43b8ac
-1	144	1702825381558358062	CMakeFiles/C_primer.dir/10_plus/10.14.c.o	27c11ea85739635
-144	322	1702825381740197165	C_primer	a3cbc96ef3d4c1f7
+0	399	1703062779349976926	CMakeFiles/C_primer.dir/10_plus/10.23.c.o	4a833a773a8f433a
+403	1098	1703062780055927389	C_primer	81b0a4dcc53c9b5b
+1	268	1703062788743730179	CMakeFiles/C_primer.dir/10_plus/10.23.c.o	4a833a773a8f433a
+268	702	1703062789201748673	C_primer	81b0a4dcc53c9b5b

cmake-build-debug/CMakeFiles/clion-Debug-log.txt

@@ -1,4 +1,4 @@
 /Applications/CLion.app/Contents/bin/cmake/mac/x64/bin/cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_MAKE_PROGRAM=/Applications/CLion.app/Contents/bin/ninja/mac/x64/ninja -G Ninja -S /Users/tgspock/Documents/GitHub/learn_c_primer.github.io -B /Users/tgspock/Documents/GitHub/learn_c_primer.github.io/cmake-build-debug
--- Configuring done (0.1s)
+-- Configuring done (0.3s)
 -- Generating done (0.0s)
 -- Build files have been written to: /Users/tgspock/Documents/GitHub/learn_c_primer.github.io/cmake-build-debug

cmake-build-debug/Testing/Temporary/LastTest.log

@@ -1,3 +1,3 @@
-Start testing: Dec 17 23:03 CST
+Start testing: Dec 20 16:59 CST
 ----------------------------------------------------------
-End testing: Dec 17 23:03 CST
+End testing: Dec 20 16:59 CST