Support for hexadecimal and octal numbers in string conversion function

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

main.c

@@ -5,10 +5,26 @@ unsigned long strToLong(char*str) {
     int counter=0;
     char c;
     unsigned long val=0;
+    int base=10;
     while ((c=str[counter++])!='\0') {
-        val*=10;
+        if (counter==1&&c=='0') {
+            base=8;
+            continue;
+        } else
+        if (counter==2&&c=='x') {
+            base=16;
+            continue;
+        }
+        val*=base;
+        if (base==16&&c>='A'&&c<='F') {
+            val+=c-'A'+10;
+        } else
+        if (base==16&&c>='a'&&c<='f') {
+            val+=c-'a'+10;
+        } else {
             val+=c-'0';
         }
+    }
     return val;
 }
 
@@ -16,12 +32,20 @@ int main(int argc,char**argv) {
     unsigned int pid;
     unsigned long addr;
     unsigned long val;
-    if (argc<3) {
+    unsigned int interval=1000;
-        printf("3 arguments required! Only %d specified.",argc);
+    if (argc<4) {
+        printf("3 arguments required! %d specified.",argc-1);
+        printf(" Format: memovr <pid> <addr> <val> [interval (ms)]");
     } else {
-        for (int i=1;i<argc;i++) {
+        pid=strToLong(argv[1]);
-            printf("\nArg %d: %lu",i+1,strToLong(argv[i]));
+        addr=strToLong(argv[2]);
+        val=strToLong(argv[3]);
+        if (argc>=5) {
+            interval=strToLong(argv[4]);
+        }
+            printf("\nPID: %lu",pid);
+            printf("\nAddress: %lu",addr);
+            printf("\nValue: %lu",val);
+            printf("\nInterval: %lu",interval);
     }
 }
-    printf("\nHello World!");
-}