charset.c

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#include "config.h"
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "mutt/lib.h"
#include "charset.h"
#include "set.h"
#include "types.h"

int charset_validator(const struct ConfigDef *cdef, intptr_t value, struct Buffer *err)
{
  if (value == 0)
    return CSR_SUCCESS;
 
  const char *str = (const char *) value;
 
  if ((cdef->type & D_CHARSET_SINGLE) && strchr(str, ':'))
  {
    buf_printf(err, _("'charset' must contain exactly one character set name"));
    return CSR_ERR_INVALID;
  }
 
  int rc = CSR_SUCCESS;
  bool strict = (cdef->type & D_CHARSET_STRICT);
  char *q = NULL;
  char *s = mutt_str_dup(str);
 
  for (char *p = strtok_r(s, ":", &q); p; p = strtok_r(NULL, ":", &q))
  {
    if (*p == '\0')
      continue; // LCOV_EXCL_LINE
    if (!mutt_ch_check_charset(p, strict))
    {
      rc = CSR_ERR_INVALID;
      buf_printf(err, _("Invalid value for option %s: %s"), cdef->name, p);
      break;
    }
  }
 
  FREE(&s);
  return rc;
}

int charset_slist_validator(const struct ConfigDef *cdef, intptr_t value, struct Buffer *err)
{
  if (value == 0)
    return CSR_SUCCESS;
 
  const struct Slist *list = (const struct Slist *) value;
 
  int rc = CSR_SUCCESS;
  bool strict = (cdef->type & D_CHARSET_STRICT);
 
  const struct ListNode *np = NULL;
  STAILQ_FOREACH(np, &list->head, entries)
  {
    char const *charset = np->data;
    if (!mutt_ch_check_charset(charset, strict))
    {
      rc = CSR_ERR_INVALID;
      buf_printf(err, _("Invalid value for option %s: %s"), cdef->name, charset);
      break;
    }
  }
 
  return rc;
}