string_minus_equals()

Remove from a config item as a string. More...

Collaboration diagram for string_minus_equals():

Functions
static int	long_string_minus_equals (void *var, const struct ConfigDef *cdef, const char *value, struct Buffer *err)
	Subtract from a Long by string - Implements ConfigSetType::string_minus_equals() -.
static int	number_string_minus_equals (void *var, const struct ConfigDef *cdef, const char *value, struct Buffer *err)
	Subtract from a Number by string - Implements ConfigSetType::string_minus_equals() -.
static int	slist_string_minus_equals (void *var, const struct ConfigDef *cdef, const char *value, struct Buffer *err)
	Remove from a Slist by string - Implements ConfigSetType::string_minus_equals() -.

Detailed Description

Remove from a config item as a string.

Parameters

var	Variable to set
cdef	Variable definition
value	Value to set
err	Buffer for error messages (may be NULL)

Return values

num	Result, e.g. CSR_SUCCESS

Precondition

var is not NULL

cdef is not NULL

Function Documentation

long_string_minus_equals()

static int long_string_minus_equals ( void *  var, const struct ConfigDef *  cdef, const char *  value, struct Buffer *  err  )

static

Subtract from a Long by string - Implements ConfigSetType::string_minus_equals() -.

Definition at line 189 of file long.c.

{
  long num = 0;
  if (!mutt_str_atol_full(value, &num))
  {
    buf_printf(err, _("Invalid long: %s"), NONULL(value));
    return CSR_ERR_INVALID | CSR_INV_TYPE;
  }
 
  long result = *((long *) var) - num;
  if ((result < 0) && (cdef->type & D_INTEGER_NOT_NEGATIVE))
  {
    buf_printf(err, _("Option %s may not be negative"), cdef->name);
    return CSR_ERR_INVALID | CSR_INV_VALIDATOR;
  }
 
  if (result == (*(long *) var))
    return CSR_SUCCESS | CSR_SUC_NO_CHANGE;
 
  if (startup_only(cdef, err))
    return CSR_ERR_INVALID | CSR_INV_VALIDATOR;
 
  if (cdef->validator)
  {
    int rc = cdef->validator(cdef, (intptr_t) result, err);
 
    if (CSR_RESULT(rc) != CSR_SUCCESS)
      return rc | CSR_INV_VALIDATOR;
  }
 
  *(long *) var = result;
  return CSR_SUCCESS;
}

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number_string_minus_equals()

static int number_string_minus_equals ( void *  var, const struct ConfigDef *  cdef, const char *  value, struct Buffer *  err  )

static

Subtract from a Number by string - Implements ConfigSetType::string_minus_equals() -.

Definition at line 231 of file number.c.

{
  int num = 0;
  if (!mutt_str_atoi(value, &num))
  {
    buf_printf(err, _("Invalid number: %s"), NONULL(value));
    return CSR_ERR_INVALID | CSR_INV_TYPE;
  }
 
  int result = native_get(var) - num;
  if ((result < SHRT_MIN) || (result > SHRT_MAX))
  {
    buf_printf(err, _("Number is too big: %s"), value);
    return CSR_ERR_INVALID | CSR_INV_TYPE;
  }
 
  if ((result < 0) && (cdef->type & D_INTEGER_NOT_NEGATIVE))
  {
    buf_printf(err, _("Option %s may not be negative"), cdef->name);
    return CSR_ERR_INVALID | CSR_INV_VALIDATOR;
  }
 
  if (cdef->validator)
  {
    int rc = cdef->validator(cdef, (intptr_t) result, err);
 
    if (CSR_RESULT(rc) != CSR_SUCCESS)
      return rc | CSR_INV_VALIDATOR;
  }
 
  if (startup_only(cdef, err))
    return CSR_ERR_INVALID | CSR_INV_VALIDATOR;
 
  native_set(var, result);
  return CSR_SUCCESS;
}

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slist_string_minus_equals()

static int slist_string_minus_equals ( void *  var, const struct ConfigDef *  cdef, const char *  value, struct Buffer *  err  )

static

Remove from a Slist by string - Implements ConfigSetType::string_minus_equals() -.

Definition at line 232 of file slist.c.

{
  int rc = CSR_SUCCESS;
 
  /* Store empty strings as NULL */
  if (value && (value[0] == '\0'))
    value = NULL;
 
  if (!value)
    return rc | CSR_SUC_NO_CHANGE;
 
  if (startup_only(cdef, err))
    return CSR_ERR_INVALID | CSR_INV_VALIDATOR;
 
  struct Slist *orig = *(struct Slist **) var;
  if (!slist_is_member(orig, value))
    return rc | CSR_SUC_NO_CHANGE;
 
  struct Slist *copy = slist_dup(orig);
  slist_remove_string(copy, value);
 
  if (cdef->validator)
  {
    rc = cdef->validator(cdef, (intptr_t) copy, err);
    if (CSR_RESULT(rc) != CSR_SUCCESS)
    {
      slist_free(&copy);
      return rc | CSR_INV_VALIDATOR;
    }
  }
 
  slist_free(&orig);
  *(struct Slist **) var = copy;
 
  return rc;
}

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