- pc_lint seems to be working well now.

syntax_checkers/c/pc_lint.vim

@@ -9,6 +9,10 @@
 "             See http://sam.zoy.org/wtfpl/COPYING for more details.
 "
 "============================================================================
+"
+"" To use a lint option file, rename it to options.lnt and put it in
+"" the same directory as the file you're linting, or any parent directory
+"" of that file. Syntastic will use the first options.lnt file it finds.
 
 if exists("g:loaded_syntastic_c_pc_lint_checker")
     finish
@@ -18,46 +22,44 @@ let g:loaded_syntastic_c_pc_lint_checker = 1
 let s:save_cpo = &cpo
 set cpo&vim
 
-" stolen from c.vim of syntastic
+if !exists('g:syntastic_pc_lint_config_file')
+    let g:syntastic_pc_lint_config_file = 'options.lnt'
+endif
 
-
-
-
-function! getLintFile(file) 
+" stolen from c.vim in syntastic
+function! s:getOptionFile(file)
     " search in the current file's directory upwards
     let config = findfile(a:file, '.;')
     if config == '' || !filereadable(config)
-      return ''
+        return ''
     endif
-
-    " convert filename into absolute path
-    return '-i"' . fnamemodify(config, ':p:h') . '"'
+    " convert filename into absolute path filename
+    return fnamemodify(config, ':p')
 endfunction
 
-
-if !exists('g:syntastic_pc_lint_config_file')
-    let g:syntastic_pc_lint_config_file = '.lnt'
-endif
-
 function! SyntaxCheckers_c_pc_lint_GetLocList() dict
-    " gotta add something about the options file
+
+    " -hF1 always shows the filename, tries to make message 1 line
+    " -width(0,0) makes sure there's no line breaks
     let makeprg = self.makeprgBuild({
-        \ 'args': ' -hF1 -width(0,0)' })
+                \   "args": syntastic#util#shescape(
+                \   s:getOptionFile(g:syntastic_pc_lint_config_file)) . ' -hF1 ' .
+                \   syntastic#util#shescape('-width(0,0)')})
 
     let errorformat =
-        \ '%f %l %trror %n: %m,' .
-        \ '%f %l %tarning %n: %m,' .
-        \ '%f %l %tnfo %n: %m'
+                \   '%f  %l  %trror %n: %m,' .
+                \   '%f  %l  %tarning %n: %m,' .
+                \   '%W%f  %l  Info %n: %m'
 
     return SyntasticMake({
-        \ 'makeprg': makeprg,
-        \ 'errorformat': errorformat })
+                \   'makeprg': makeprg,
+                \   'errorformat': errorformat })
 endfunction
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({
-    \ 'filetype': 'c',
-    \ 'name': 'pc_lint',
-    \ 'exec': 'lint-nt'})
+            \   'filetype': 'c',
+            \   'name': 'pc_lint',
+            \   'exec': 'lint-nt'})
 
 let &cpo = s:save_cpo
 unlet s:save_cpo