" adapted from: http://www.jukie.net/~bart/conf/vim/c.vim

" Setup tabstops to 8 and indents to 8
setlocal tabstop=8
setlocal shiftwidth=8
setlocal noexpandtab

" line wrapping in c comments not c code
setlocal textwidth=78        " Set the line wrap length

syntax on

" Some style errors
if has("gui_running")
  hi  Error80           gui=NONE    guifg=#ffffff   guibg=#6e2e2e
  hi  ErrorLeadSpace    gui=NONE    guifg=#ffffff   guibg=#6e2e2e
  hi  ErrorTrailSpace   gui=NONE    guifg=#ffffff   guibg=#6e2e2e
else
  hi  Error80           cterm=NONE  ctermfg=15      ctermbg=5
  hi  ErrorLeadSpace    cterm=NONE  ctermfg=15      ctermbg=5
  hi  ErrorTrailSpace   cterm=NONE  ctermfg=15      ctermbg=5
endif

match Error80                 /.\%>80v/  " highlight anything past 80 in red
syntax match ErrorLeadSpace   /^ \+/     " highlight any leading spaces
syntax match ErrorTrailSpace  / \+$/     " highlight any trailing spaces


" more types...
syn keyword cType uint ubyte ulong uint64_t uint32_t uint16_t uint8_t boolean_t int64_t int32_t int16_t int8_t u_int64_t u_int32_t u_int16_t u_int8_t
syn keyword cOperator likely unlikely

" C-mode formatting options
"   t auto-wrap comment
"   c allows textwidth to work on comments
"   q allows use of gq* for auto formatting
"   l don't break long lines in insert mode
"   r insert '*' on <cr>
"   o insert '*' on newline with 'o'
"   n recognize numbered bullets in comments
setlocal formatoptions=tcqlron


" C-mode options (cinoptions==cino)
" N	number of spaces
" Ns	number of spaces * shiftwidth
" >N	default indent
" eN	extra indent if the { is at the end of a line
" nN	extra indent if there is no {} block
" fN	indent of the { of a function block
" gN  indent of the C++ class scope declarations (public, private, protected)
" {N	indent of a { on a new line after an if,while,for...
" }N	indent of a } in reference to a {
" ^N	extra indent inside a function {}
" :N	indent of case labels
" =N	indent of case body
" lN	align case {} on the case line
" tN	indent of function return type
" +N	indent continued algibreic expressions
" cN	indent of comment line after /*
" )N	vim searches for closing )'s at most N lines away
" *N	vim searches for closing */ at most N lines away
setlocal cindent
setlocal cinoptions=:0l1t0g0


" folding
"  - reserve 4 columns on the left for folding tree
"if winwidth(0) > 80
"    setlocal foldcolumn=4
"endif

"syn region myFold start="{" end="}" transparent fold
setlocal foldmethod=syntax
setlocal foldnestmax=1
setlocal foldenable


" cool C abbreviations...
abb #i #include
abb #d #define


setlocal makeprg=make\ %:r.o