consolidate all repos to one for archive

semester_4/namenska_programska_oprema/Naloga_1/Vaja_2/Makefile

@@ -0,0 +1,18 @@
+all: build run
+
+debug: buildd run clean
+
+zip:
+	zip naloga.zip main.c Makefile pretvori.c pretvori.h
+
+build: main.c pretvori.c pretvori.h
+	gcc -m32 main.c pretvori.c -o demo_pretvori 
+
+buildd: main.c pretvori.c pretvori.h
+	gcc -g -m32 main.c pretvori.c -o demo_pretvori -fsanitize=address -fno-omit-frame-pointer
+
+run:
+	./demo_pretvori 80
+
+clean:
+	rm -f demo_pretvori

semester_4/namenska_programska_oprema/Naloga_1/Vaja_2/main.c

@@ -0,0 +1,18 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include "pretvori.h"
+
+int main(int argc, char *argv[])
+{
+    if(argc < 2) {
+        printf("Ni dovolj argumentov");
+        return -1;
+    }
+
+    int unicode = preberiVhod(argv);
+
+    int utf8 = pretvoriZnak(unicode);
+    izpisiZnak(utf8);
+    return 0;
+}

semester_4/namenska_programska_oprema/Naloga_1/Vaja_2/pretvori.c

@@ -0,0 +1,90 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include "pretvori.h"
+
+int preberiVhod(char* cmd[])
+{
+    unsigned int ret = 0;
+    int len = strlen(cmd[1]);
+    uint8_t hex = 0;
+    
+    for (size_t i = 0; i < len; i++)
+    {
+        if(cmd[1][i] >= '0' && cmd[1][i] <= '9')
+        {
+            hex = cmd[1][i] - '0';
+        }
+        else if (cmd[1][i] >= 'A' && cmd[1][i] <= 'F')
+        {
+            hex = cmd[1][i] - 'A' + 10;
+        }
+        ret = ret << 4;
+        ret = ret | hex;
+    }
+    return ret;
+}
+
+
+
+int pretvoriZnak(int znak)
+{
+    int ret = 0;
+
+    if(znak <= 0x7F)
+    {
+        return znak;
+    }
+
+    if(znak <= 0x7FF)
+    {
+              //110xxxxx10xxxxxx
+        ret = 0b1100000010000000;
+        uint32_t mask1 = 0b111111;
+        ret = ret | (znak & mask1);
+        uint32_t mask2 = 0b1111100000000;
+        ret = ret | ((znak << 2) & mask2);
+        return ret;
+    }
+
+    //if((znak >> 13) == 0b110)
+    
+
+    if(znak <= 0xFFFF)
+    {
+              //1110xxxx10xxxxxx10xxxxxx
+        ret = 0b111000001000000010000000;
+        uint32_t mask1 = 0b111111;
+        ret = ret | (znak & mask1);
+        uint32_t mask2 = 0b11111100000000;
+        ret = ret | ((znak << 2) & mask2);
+        uint32_t mask3 = 0b11110000000000000000;
+        ret = ret | ((znak << 4) & mask3);
+
+        return ret;
+    }
+    return ret;
+}
+
+void izpisiZnak(int znak)
+{   
+    printf("UTF-8 binarno: ");
+
+    int firstZero = 0;
+    if ( znak <= 0xFF ) firstZero = 7;
+    else if (znak <= 0xFFFF ) firstZero = 15;
+    else if (znak <= 0xFFFFFF ) firstZero = 23;
+    
+    for (int i = firstZero; i >= 0; i--)
+    {
+        // Z bitshiftanjem pogledam ali je na mestu 1 ce je dobim neko stevilo vecje od 1 in zapisem 1
+        int j = znak & (1 << i);
+        printf("%d", (j>0)?1:0);
+        if(i % 4 == 0) printf(" ");
+    }
+
+    printf("\nUTF-8 hex: %X", znak);
+    
+    printf("\n");
+}

semester_4/namenska_programska_oprema/Naloga_1/Vaja_2/pretvori.h

@@ -0,0 +1,8 @@
+#ifndef PODATKI
+#define PODATKI
+
+int preberiVhod(char* cmd[]);
+int pretvoriZnak(int znak);
+void izpisiZnak(int znak);
+
+#endif