diff options
| author | Matthias Schiffer | 2023-07-14 13:24:51 +0200 |
|---|---|---|
| committer | Tom Rini | 2023-08-08 17:05:43 -0400 |
| commit | 7c00b80d48cbb28e5f6dfc232c344526e28f7176 (patch) | |
| tree | 25c497c3509934e0c691ac0384f82deee75dc87e /lib/charset.c | |
| parent | 615828721abfe8c73b5103d4436402ecbf9b9897 (diff) | |
lib/charset: fix u16_strlcat() return value
strlcat returns min(strlen(dest), count)+strlen(src). Make u16_strlcat's
behaviour the same for consistency.
Fixes: eca08ce94ceb ("lib/charset: add u16_strlcat() function")
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Diffstat (limited to 'lib/charset.c')
| -rw-r--r-- | lib/charset.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/charset.c b/lib/charset.c index b1842755eb1..5e4c4f948a4 100644 --- a/lib/charset.c +++ b/lib/charset.c @@ -444,14 +444,14 @@ u16 *u16_strdup(const void *src) size_t u16_strlcat(u16 *dest, const u16 *src, size_t count) { - size_t destlen = u16_strlen(dest); + size_t destlen = u16_strnlen(dest, count); size_t srclen = u16_strlen(src); - size_t ret = destlen + srclen + 1; + size_t ret = destlen + srclen; if (destlen >= count) return ret; - if (ret > count) - srclen -= ret - count; + if (ret >= count) + srclen -= (ret - count + 1); memcpy(&dest[destlen], src, 2 * srclen); dest[destlen + srclen] = 0x0000; |