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tweaks: rename a variable, and condense a comment

This commit is contained in:
Benno Schulenberg 2020-07-25 13:51:34 +02:00
parent 294051769c
commit cf52f2ed62
1 changed files with 9 additions and 10 deletions
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19
src/winio.c
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@ -286,11 +286,10 @@ void implant(const char *string)
}
#endif
/* Try to read input_len codes from the keystroke buffer. If the
* keystroke buffer is empty and win isn't NULL, try to read in more
* codes from win and add them to the keystroke buffer before doing
* anything else. If the keystroke buffer is (still) empty, return NULL. */
int *get_input(WINDOW *win, size_t input_len)
/* Try to read the requested number of codes from the keystroke buffer.
* If the buffer is empty and win isn't NULL, try to read in more codes,
* and if the buffer is still empty then, return NULL. */
int *get_input(WINDOW *win, size_t count)
{
int *input;
@ -300,14 +299,14 @@ int *get_input(WINDOW *win, size_t input_len)
if (key_buffer_len == 0)
return NULL;
/* Copy input_len codes from the head of the keystroke buffer. */
input = (int *)nmalloc(input_len * sizeof(int));
memcpy(input, key_buffer, input_len * sizeof(int));
key_buffer_len -= input_len;
/* Copy the requested codes from the head of the keystroke buffer. */
input = (int *)nmalloc(count * sizeof(int));
memcpy(input, key_buffer, count * sizeof(int));
key_buffer_len -= count;
/* If the buffer still contains keystrokes, move them to the front. */
if (key_buffer_len > 0)
memmove(key_buffer, key_buffer + input_len, key_buffer_len * sizeof(int));
memmove(key_buffer, key_buffer + count, key_buffer_len * sizeof(int));
return input;
}