My .vimrc

"Personal preferences
set nu
syntax on
set statusline+=File:\ %F
set colorcolumn=81
hi ColorColumn ctermbg=blue guibg=blue
nmap <Space> <PageDown>

"C code indent
set cindent

"Autoclose parenthesis
inoremap ( ()<Esc>i
inoremap [ []<Esc>i
inoremap " ""<Esc>i
inoremap < <><Esc>i
inoremap { {<Tab><Return><BS>}<Esc>ko

"Display the cursor column
set statusline+=,\ Col:\ %c

"Highlighting
highlight ExtraSpaces ctermbg=red guibg=red
match ExtraSpaces "\ \{2,}"
autocmd BufWinEnter * syn match WSend excludenl /\s\+$/
autocmd InsertEnter * syn match WSend excludenl /\s\+\%#\@!$/
autocmd InsertLeave * syn match WSend excludenl /\s\+$/
highlight WSend ctermbg=red guibg=red

"Backups
silent !mkdir -p ~/.vim/.backup
set backup
set backupdir=~/.vim/.backup//

"Header
imap <C-c><C-h>:call PutHeader()<CR>
"autocmd BufWritePre *.c :call Update()
autocmd BufWritePre *.c :call UpdateIfChanged()
"autocmd BufNewFile *.c :call PutHeader()

function! Update()
        if &modified
                return 0
        endif
        let date = strftime('%Y/%m/%d')
        let hour = strftime('%H:%M:%S')
        let updated = "/* Updated: " . date . " " . hour . " by " . $USER
        let i = 17 - strwidth($USER)
        while i > 0
                let updated = updated . " "
                let i = i - 1
        endwhile
        let updated = updated . "### ########.fr       */"
        call setline(9, updated)
endfunction

function! UpdateIfChanged()
        if exists(v:fcs_reason)
                if (v:fcs_reason == 'changed')
                        call Update()
                endif
        endif
endfunction

function! GenerateHeader()
        let filename = expand('%:t')
        let author = ($USER) . " <"
        if exists($MAIL)
                author = author . ($MAIL)
        else
                author = author . "marvin@42.fr"
        endif
        author = author . ">"
        let created =
        let distance_8 = 55 - 37 - strwidth($USER)
        let h1 = "/* ************************************************************************** */"
        let h2 = "/*                                                                            */"
        let h3 = "/*                                                        :::      ::::::::   */"
        let h4 = "/*   " . filename
        let i = 51 - strwidth(filename)
        while i > 0
                h4 = h4 . " "
                i = i - 1
        endwhile
        h4 = h4 . ":+:      :+:    :+:   */"
        let h5 = "/*                                                    +:+ +:+         +:+     */"
        let h6 = "/*   By: " . author
        i = 43 - strwidth(author)
        while i > 0
                h6 = h6 . " "
                i = i - 1
        endwhile
        h6 = h6 . "+#+  +:+       +#+        */"
        let h7 = "/*                                                +#+#+#+#+#+   +#+           */"
        let date = strftime('%Y/%m/%d')
        let hour = strftime('%H:%M:%S')
        let created = date . " " . hour
        let h8 = "/*   Created: " . created . " by " . ($USER)
        i = distance_8
        while i > 0
                h8 = h8 . " "
                i = i - 1
        endwhile
        h8 = h8 . "#+#    #+#             */"
        i = distance_8 - 1
        let h9 = "/*   Updated: " . created . " by " . ($USER)
        while i > 0
                h8 = h8 . " "
                i = i - 1
        endwhile
        h9 = h9 . "###   ########.fr       */""
        call Udpate()
        let h10 = "/*                                                                            */"
        let h11 = "/* ************************************************************************** */"
        let headerlist = [h1, h2, h3, h4, h5, h6, h7, h8, h9, h10, h11]
        return (headerlist)
endfunction

function Strcmp(str1, str2)
    if a:str1 < a:str2
        return -1
    elseif a:str1 ==# a:str2
        return 0
    else
        return 1
    endif
endfunction

function PutHeader()
        let newheader = GenerateHeader()
        let h1 = get(newheader, 0, 'Cannot read line 1')
        let h2 = get(newheader, 1, 'Cannot read line 2')
        let h3 = get(newheader, 2, 'Cannot read line 3')
        let h4 = get(newheader, 3, 'Cannot read line 4')
        let h5 = get(newheader, 4, 'Cannot read line 5')
        let h6 = get(newheader, 5, 'Cannot read line 6')
        let h7 = get(newheader, 6, 'Cannot read line 7')
        let h8 = get(newheader, 7, 'Cannot read line 8')
        let h9 = get(newheader, 8, 'Cannot read line 9')
        let h10 = get(newheader, 9, 'Cannot read line 10')
        let h11 = get(newheader, 10, 'Cannot read line 11')
        let oh1 = getline(1)
        let oh2 = getline(2)
        let oh3 = getline(3)
        let oh4 = getline(4)
        let oh5 = getline(5)
        let oh6 = getline(6)
        let oh7 = getline(7)
        let oh8 = getline(8)
        let oh9 = getline(9)
        let oh10 = getline(10)
        let oh11 = getline(11)
        if ((Strcmp(h1, oh1) == 0) && (Strcmp(h2, oh2) == 0) && (Strcmp(h3, oh3) == 0)
\       && (Strcmp(h4, oh4) == 0) && (Strcmp(h5, oh5) == 0) && (Strcmp(h6, oh6) == 0)
\       && (Strcmp(h7, oh7) == 0) && (Strcmp(h10, oh10) == 0) && (Strcmp(h11, oh11) == 0))
                return 0
        endif
        call append(0, h1)
        call append(1, h2)
        call append(2, h3)
        call append(3, h4)
        call append(4, h5)
        call append(5, h6)
        call append(6, h7)
        call append(7, h8)
        call append(8, h9)
        call append(9, h10)
        call append(10, h11)
endfunction