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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-09-03 10:36:51 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-09-03 10:36:51 +0200 |
| commit | 28d91d754e423fd0df584bbfa9b903eacac21224 (patch) | |
| tree | 950e0e3d367f07639ab00e96db34d537a2cfc620 /libbb/unicode.c | |
| parent | 3060992ec94722b4f8f3711a1884270c81a6e5f5 (diff) | |
| download | busybox-28d91d754e423fd0df584bbfa9b903eacac21224.tar.gz | |
libbb: fix potential NULL pointer use
function old new delta
unicode_conv_to_printable2 193 216 +23
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/unicode.c')
| -rw-r--r-- | libbb/unicode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libbb/unicode.c b/libbb/unicode.c index 9c4da50d3..d378175a4 100644 --- a/libbb/unicode.c +++ b/libbb/unicode.c @@ -1121,6 +1121,8 @@ static char* FAST_FUNC unicode_conv_to_printable2(uni_stat_t *stats, const char dst[dst_len++] = ' '; } } + if (!dst) /* for example, if input was "" */ + dst = xzalloc(1); dst[dst_len] = '\0'; if (stats) { stats->byte_count = dst_len; |