+ jmp _main_exit
+
+ _main_existing:
+ mov ebx, DWORD [ebp+_ARGV]
+ add ebx, 4
+ push DWORD [ebx]
+ ; push readfile_str
+ ; call printf
+
+ call readFile
+
+ mov eax, 0
+ jmp _main_exit
+
+ _main_exit:
+ %undef _ARGC
+ %undef _ARGV
+
+ mov esp, ebp
+ pop ebp
+ ret
+
+
+; reads file line by line
+; args: filename
+; return:
+; eax - pointer to mem
+; ecx - lines read
+readFile:
+ %define _FILE_NAME 8
+ %define FILE_HANDLE 4
+ %define IS_EOF 8
+ %define LINES_READ 12
+ %define BUF_PTR 16 ; malloced array of strings
+
+ push ebp
+ mov ebp, esp
+
+ ; allocate vars
+ sub esp, 16
+ mov DWORD [ebp-FILE_HANDLE], 0x00
+ mov DWORD [ebp-IS_EOF], 0x00
+ mov DWORD [ebp-LINES_READ], 0x00
+
+ push 0
+ call malloc
+ mov [ebp-BUF_PTR], eax
+
+ ; open existing file
+ mov eax, 5
+ mov ebx, [ebp+_FILE_NAME]
+ mov ecx, 0
+ mov edx, 0777
+ int 0x80
+ mov [ebp-FILE_HANDLE], eax
+
+ ; check if file was open successfully
+ cmp eax, 0
+ jge _readFile_loop
+ push eax
+ push wrongfile_str
+ call printf
+ jmp _readFile_exit
+
+ _readFile_loop:
+
+ ; check if eof was reached
+ cmp DWORD [ebp-IS_EOF], 1
+ je _readFile_exit
+
+ push DWORD [ebp-FILE_HANDLE]
+ call readLine
+
+ mov esi, eax
+ mov [ebp-IS_EOF], ebx
+
+ push esi
+ call printf
+
+ ; make string buffer bigger
+ mov eax, DWORD [ebp-LINES_READ]
+ add eax, 1
+ mov ecx, 4
+ mul ecx
+ push eax
+ push DWORD [ebp-BUF_PTR]
+ call realloc
+ mov DWORD [ebp-BUF_PTR], eax
+
+ ; write string to buffer
+ mov eax, DWORD [ebp-BUF_PTR]
+ mov ecx, 4
+ mul ecx
+ mov eax, esi
+
+ add DWORD [ebp-LINES_READ], 1
+
+ jmp _readFile_loop
+
+ _readFile_exit:
+ ; close file
+ mov eax, 6
+ mov ebx, [ebp-FILE_HANDLE]