state.h File Reference

Struct to store the cursor position when entering text. More...

#include <stddef.h>

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Data Structures
struct	EnterState
	Keep our place when entering a string. More...

Functions
void	enter_state_free (struct EnterState **ptr)
	Free an EnterState.
struct EnterState *	enter_state_new (void)
	Create a new EnterState.
void	enter_state_resize (struct EnterState *es, size_t num)
	Make the buffer bigger.

Detailed Description

Struct to store the cursor position when entering text.

Authors

• Richard Russon

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file state.h.

Function Documentation

enter_state_free()

void enter_state_free

(

struct EnterState **

ptr

)

Free an EnterState.

Parameters

[out]

ptr

EnterState to free

Definition at line 38 of file state.c.

{
  if (!ptr || !*ptr)
    return;
 
  struct EnterState *es = *ptr;
 
  FREE(&es->wbuf);
  FREE(ptr);
}

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enter_state_new()

struct EnterState * enter_state_new

(

void

)

Create a new EnterState.

Return values

ptr	New EnterState

Definition at line 74 of file state.c.

{
  struct EnterState *es = MUTT_MEM_CALLOC(1, struct EnterState);
 
  enter_state_resize(es, 1);
 
  return es;
}

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enter_state_resize()

void enter_state_resize	(	struct EnterState *	es,
		size_t	num
	)

Make the buffer bigger.

Parameters

es	State of the Enter buffer
num	Number of wide characters

Definition at line 54 of file state.c.

{
  if (!es)
    return;
 
  if (num <= es->wbuflen)
    return;
 
  num = ROUND_UP(num + 4, 128);
  MUTT_MEM_REALLOC(&es->wbuf, num, wchar_t);
 
  wmemset(es->wbuf + es->wbuflen, 0, num - es->wbuflen);
 
  es->wbuflen = num;
}

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