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	mapper: place strings in a big array. Make it possible to configure array and map extend size.
		
			
				
	
	
		
			103 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Simple Plugin API
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 * Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Library General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Library General Public License for more details.
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 *
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 * You should have received a copy of the GNU Library General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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 * Boston, MA 02110-1301, USA.
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 */
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#include <string.h>
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#include <pinos/client/array.h>
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#include <pinos/client/log.h>
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#include <pinos/client/utils.h>
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const char *
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pinos_split_walk (const char  *str,
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		  const char  *delimiter,
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		  size_t      *len,
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                  const char **state)
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{
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  const char *s = *state ? *state : str;
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  if (*s == '\0')
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    return NULL;
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  *len = strcspn (s, delimiter);
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  *state = s + *len;
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  *state += strspn (*state, delimiter);
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  return s;
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}
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char **
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pinos_split_strv (const char *str,
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		  const char *delimiter,
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                  int         max_tokens,
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                  int        *n_tokens)
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{
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  const char *state = NULL, *s = NULL;
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  PinosArray arr;
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  size_t len;
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  int n = 0;
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  pinos_array_init (&arr, 16);
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  s = pinos_split_walk (str, delimiter, &len, &state);
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  while (s && n + 1 < max_tokens) {
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    pinos_array_add_ptr (&arr, strndup (s, len));
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    s = pinos_split_walk (str, delimiter, &len, &state);
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    n++;
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  }
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  if (s) {
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    pinos_array_add_ptr (&arr, strdup (s));
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    n++;
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  }
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  pinos_array_add_ptr (&arr, NULL);
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  *n_tokens = n;
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  return arr.data;
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}
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void
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pinos_free_strv (char **str)
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{
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  int i;
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  for (i = 0; str[i]; i++)
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    free (str[i]);
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  free (str);
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}
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char *
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pinos_strip (char       *str,
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             const char *whitespace)
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{
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  char *e, *l = NULL;
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  str += strspn (str, whitespace);
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  for (e = str; *e; e++)
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     if (!strchr (whitespace, *e))
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         l = e;
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  if (l)
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    *(l+1) = '\0';
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  else
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    *str = '\0';
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  return str;
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}
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