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input: write a few ifs more compactly

master
Benno Schulenberg 2016-05-02 21:58:43 +02:00
parent 05238f31f4
commit e666f8c50d
1 changed files with 5 additions and 10 deletions
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15
src/winio.c
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@ -250,21 +250,16 @@ void unget_kbinput(int kbinput, bool metakey, bool funckey)
/* Try to read input_len characters from the keystroke buffer. If the /* Try to read input_len characters from the keystroke buffer. If the
* keystroke buffer is empty and win isn't NULL, try to read in more * keystroke buffer is empty and win isn't NULL, try to read in more
* characters from win and add them to the keystroke buffer before doing * characters from win and add them to the keystroke buffer before doing
* anything else. If the keystroke buffer is empty and win is NULL, * anything else. If the keystroke buffer is (still) empty, return NULL. */
* return NULL. */
int *get_input(WINDOW *win, size_t input_len) int *get_input(WINDOW *win, size_t input_len)
{ {
int *input; int *input;
if (key_buffer_len == 0) { if (key_buffer_len == 0 && win != NULL)
if (win != NULL) { get_key_buffer(win);
get_key_buffer(win);
if (key_buffer_len == 0) if (key_buffer_len == 0)
return NULL; return NULL;
} else
return NULL;
}
/* If input_len is greater than the length of the keystroke buffer, /* If input_len is greater than the length of the keystroke buffer,
* only read the number of characters in the keystroke buffer. */ * only read the number of characters in the keystroke buffer. */