code cleanup to prevent gcc warnings

Gaminee · Apr 8, 2020 · 1b82680 · 1b82680
1 parent 64789ae
commit 1b82680
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Showing 11 changed files with 244 additions and 196 deletions.
diff --git a/client_server/client.c b/client_server/client.c
@@ -1,66 +1,71 @@
 
-// Write CPP code here 
-#include <netdb.h> 
-#include <stdio.h> 
-#include <stdlib.h> 
+// Write CPP code here
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
-#include <string.h> 
-#include <sys/socket.h> 
-#define MAX 80 
-#define PORT 8080 
-#define SA struct sockaddr 
-void func(int sockfd) 
-{ 
-    char buff[MAX]; 
-    int n; 
-    for (;;) { 
-        bzero(buff, sizeof(buff)); 
-        printf("Enter the string : "); 
-        n = 0; 
-        while ((buff[n++] = getchar()) != '\n') 
-            ; 
-        write(sockfd, buff, sizeof(buff)); 
-        bzero(buff, sizeof(buff)); 
-        read(sockfd, buff, sizeof(buff)); 
-        printf("From Server : %s", buff); 
-        if ((strncmp(buff, "exit", 4)) == 0) { 
-            printf("Client Exit...\n"); 
-            break; 
-        } 
-    } 
-} 
-
-int main() 
-{ 
-    int sockfd, connfd; 
-    struct sockaddr_in servaddr, cli; 
-
-    // socket create and varification 
-    sockfd = socket(AF_INET, SOCK_STREAM, 0); 
-    if (sockfd == -1) { 
-        printf("socket creation failed...\n"); 
-        exit(0); 
-    } 
+#include <string.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#define MAX 80
+#define PORT 8080
+#define SA struct sockaddr
+void func(int sockfd)
+{
+    char buff[MAX];
+    int n;
+    for (;;)
+    {
+        bzero(buff, sizeof(buff));
+        printf("Enter the string : ");
+        n = 0;
+        while ((buff[n++] = getchar()) != '\n')
+            ;
+        write(sockfd, buff, sizeof(buff));
+        bzero(buff, sizeof(buff));
+        read(sockfd, buff, sizeof(buff));
+        printf("From Server : %s", buff);
+        if ((strncmp(buff, "exit", 4)) == 0)
+        {
+            printf("Client Exit...\n");
+            break;
+        }
+    }
+}
+
+int main()
+{
+    int sockfd, connfd;
+    struct sockaddr_in servaddr, cli;
+
+    // socket create and varification
+    sockfd = socket(AF_INET, SOCK_STREAM, 0);
+    if (sockfd == -1)
+    {
+        printf("socket creation failed...\n");
+        exit(0);
+    }
     else
-        printf("Socket successfully created..\n"); 
-    bzero(&servaddr, sizeof(servaddr)); 
-
-    // assign IP, PORT 
-    servaddr.sin_family = AF_INET; 
-    servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 
-    servaddr.sin_port = htons(PORT); 
-
-    // connect the client socket to server socket 
-    if (connect(sockfd, (SA*)&servaddr, sizeof(servaddr)) != 0) { 
-        printf("connection with the server failed...\n"); 
-        exit(0); 
-    } 
+        printf("Socket successfully created..\n");
+    bzero(&servaddr, sizeof(servaddr));
+
+    // assign IP, PORT
+    servaddr.sin_family = AF_INET;
+    servaddr.sin_addr.s_addr = inet_addr("127.0.0.1");
+    servaddr.sin_port = htons(PORT);
+
+    // connect the client socket to server socket
+    if (connect(sockfd, (SA *)&servaddr, sizeof(servaddr)) != 0)
+    {
+        printf("connection with the server failed...\n");
+        exit(0);
+    }
     else
-        printf("connected to the server..\n"); 
-  
-    // function for chat 
-    func(sockfd); 
-  
-    // close the socket 
-    close(sockfd); 
-} 
+        printf("connected to the server..\n");
+
+    // function for chat
+    func(sockfd);
+
+    // close the socket
+    close(sockfd);
+}
diff --git a/conversions/decimal_to_octal_recursion.c b/conversions/decimal_to_octal_recursion.c
@@ -5,24 +5,25 @@
 #include <stdio.h>
 int decimal_to_octal(int decimal)
 {
-  if( (decimal<8) && (decimal>0) )
+  if ((decimal < 8) && (decimal > 0))
   {
     return decimal;
   }
-  else if(decimal==0)
+  else if (decimal == 0)
   {
     return 0;
   }
   else
   {
-    return ( (decimal_to_octal(decimal/8)*10) + decimal%8 );
+    return ((decimal_to_octal(decimal / 8) * 10) + decimal % 8);
   }
 }
-void main()
+int main()
 {
-  int octalNumber,decimalNumber;
+  int octalNumber, decimalNumber;
   printf("\nEnter your decimal number : ");
-  scanf("%d",&decimalNumber);
+  scanf("%d", &decimalNumber);
   octalNumber = decimal_to_octal(decimalNumber);
-  printf("\nThe octal of %d is : %d" ,decimalNumber,octalNumber);
+  printf("\nThe octal of %d is : %d", decimalNumber, octalNumber);
+  return 0;
 }
diff --git a/misc/rselect.c b/misc/rselect.c
@@ -1,54 +1,77 @@
 #include <stdio.h>
-#include<stdlib.h>
-#include<time.h>
-void swap(int *a ,int *b)
-{int t;t =*a;*a=*b;*b=t;}
-int part(int a[],int l,int r,int n,int pivot,int pindex)
-{int p1=l,p2=r;
-    while(p2>p1)
+#include <stdlib.h>
+#include <time.h>
+void swap(int *a, int *b)
+{
+    int t;
+    t = *a;
+    *a = *b;
+    *b = t;
+}
+int part(int a[], int l, int r, int n, int pivot, int pindex)
+{
+    int p1 = l, p2 = r;
+    while (p2 > p1)
     {
-        if (a[p1] > pivot && a[p2]<pivot)
-        {swap(&a[p1],&a[p2]);}
+        if (a[p1] > pivot && a[p2] < pivot)
+        {
+            swap(&a[p1], &a[p2]);
+        }
         else
         {
-            if (a[p1] <=pivot)
-            {p1++;}
-            if (a[p2]>=pivot)
-            {p2--;}
+            if (a[p1] <= pivot)
+            {
+                p1++;
+            }
+            if (a[p2] >= pivot)
+            {
+                p2--;
+            }
         }
     }
-    swap(&a[pindex],&a[p2]);
+    swap(&a[pindex], &a[p2]);
     return p2;
 }
-int rselect(int a[],int l,int r,int n,int o)
+int rselect(int a[], int l, int r, int n, int o)
 {
-    int pivot,pindex,pactual;
-    if (r>l)
+    int pivot, pindex, pactual;
+    if (r > l)
+    {
+        pindex = rand() % (r - l + 1);
+        pivot = a[pindex];
+        pactual = part(a, l, r, n, pivot, pindex);
+
+        if (pactual == o)
+        {
+            return a[pactual];
+        }
+
+        if (o < pactual)
+        {
+            rselect(a, l, pactual - 1, n, o);
+        }
+
+        if (o > pactual)
+        {
+            rselect(a, pactual + 1, r, n, o - pactual);
+        }
+    }
+    if (r == l)
     {
-    pindex = rand()%(r-l+1);
-    pivot = a[pindex];
-    pactual = part(a,l,r,n,pivot,pindex);
-
-    if (pactual == o)
-    {return a[pactual];}
-
-    if (o < pactual)
-    {rselect(a,l,pactual-1,n,o);}
-
-    if (o>pactual)
-    {rselect(a,pactual+1,r,n,o-pactual);}
+        return a[l];
     }
-    if (r==l)
-    {return a[l];}
+    return -1;
 }
 int main()
-{srand(time(NULL));
-    int n,o,i,*a;
-   scanf("%d %d",&n,&o);
-   a = (int*)malloc(n*sizeof(int));
-   for (i=0;i<n;i++)
-   {scanf("%d",a+i);}
-printf("\n\n%d",rselect(a,0,n-1,n,o));
+{
+    srand(time(NULL));
+    int n, o, i, *a;
+    scanf("%d %d", &n, &o);
+    a = (int *)malloc(n * sizeof(int));
+    for (i = 0; i < n; i++)
+    {
+        scanf("%d", a + i);
+    }
+    printf("\n\n%d", rselect(a, 0, n - 1, n, o));
     return 0;
 }
-
diff --git a/misc/strong_Number.c b/misc/strong_Number.c
@@ -1,38 +1,38 @@
 /**
  * Modified on 07/12/2017, Kyler Smith
  *
- * A number is called strong number if sum of the 
+ * A number is called strong number if sum of the
  * 	factorial of its digit is equal to number itself.
  */
 
-#include<stdio.h>
-
+#include <stdio.h>
 
 void strng(int a)
 {
-	int j=a;
-	int sum=0;
-	int b,i,fact=1;	
-	while(a>0)
+	int j = a;
+	int sum = 0;
+	int b, i, fact = 1;
+	while (a > 0)
 	{
-		fact=1;
-		b=a%10;
-		for(i=1;i<=b;i++)
+		fact = 1;
+		b = a % 10;
+		for (i = 1; i <= b; i++)
 		{
-			fact=fact*i;
+			fact = fact * i;
 		}
-		a=a/10;
-		sum=sum+fact;
+		a = a / 10;
+		sum = sum + fact;
 	}
-	if(sum==j)
-	printf("%d is a strong number",j);
+	if (sum == j)
+		printf("%d is a strong number", j);
 	else
-	printf("%d is not a strong number",j);
+		printf("%d is not a strong number", j);
 }
-void main()
+int main()
 {
 	int a;
 	printf("Enter the number to check");
-	scanf("%d",&a);
+	scanf("%d", &a);
 	strng(a);
+	return 0;
 }