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| author | Max Kellermann <max@duempel.org> | 2008-10-06 14:56:18 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2008-10-06 14:56:18 +0200 |
| commit | 003f90586c1eab5f17cdc85bf0fc43e5f2a170ec (patch) | |
| tree | ce296ba69b06f31572820d29853af99912967ef7 /src | |
| parent | 14a15db8fa40bf40047229be92d99c0f5a6d8309 (diff) | |
| download | mpd-003f90586c1eab5f17cdc85bf0fc43e5f2a170ec.tar.gz mpd-003f90586c1eab5f17cdc85bf0fc43e5f2a170ec.tar.xz mpd-003f90586c1eab5f17cdc85bf0fc43e5f2a170ec.zip | |
wreadln: optimize wreadln_delete_char() with memmove()
Let memmove() do the dirty work on overlapping buffers..
Diffstat (limited to 'src')
| -rw-r--r-- | src/wreadln.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/wreadln.c b/src/wreadln.c index 608141f64..89bcc123c 100644 --- a/src/wreadln.c +++ b/src/wreadln.c @@ -136,12 +136,13 @@ wreadln_insert_byte(struct wreadln *wr, gint key) static void wreadln_delete_char(struct wreadln *wr, size_t x) { - size_t i; + size_t rest; + const size_t length = 1; assert(x < strlen(wr->line)); - for (i = x; wr->line[i] != 0; i++) - wr->line[i] = wr->line[i + 1]; + rest = strlen(&wr->line[x + length]) + 1; + memmove(&wr->line[x], &wr->line[x + length], rest); } /* libcurses version */ |