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| author | Tatsuya Kinoshita <tats@debian.org> | 2016-12-15 14:10:38 +0000 |
|---|---|---|
| committer | Tatsuya Kinoshita <tats@debian.org> | 2017-01-06 13:16:08 +0000 |
| commit | 047640e060b257db92355847ae575c97b350584e (patch) | |
| tree | 2a30ae0e582b863e5609a9f01330c3b8475fd4e0 /libwc/wtf.c | |
| parent | Prevent negative array index for realColumn in calcPosition() (diff) | |
| download | w3m-047640e060b257db92355847ae575c97b350584e.tar.gz w3m-047640e060b257db92355847ae575c97b350584e.zip | |
Prevent overflow beyond the end of string in caller of get_mclen()
Bug-Debian: https://github.com/tats/w3m/issues/59
Bug-Debian: https://github.com/tats/w3m/issues/73
Bug-Debian: https://github.com/tats/w3m/issues/74
Bug-Debian: https://github.com/tats/w3m/issues/75
Bug-Debian: https://github.com/tats/w3m/issues/76
Bug-Debian: https://github.com/tats/w3m/issues/78
Bug-Debian: https://github.com/tats/w3m/issues/79
Bug-Debian: https://github.com/tats/w3m/issues/80
Bug-Debian: https://github.com/tats/w3m/issues/83
Bug-Debian: https://github.com/tats/w3m/issues/84
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=6eea841d3a0f8dc539584dc67b15f585a8213775
Diffstat (limited to 'libwc/wtf.c')
| -rw-r--r-- | libwc/wtf.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libwc/wtf.c b/libwc/wtf.c index adee338..e80d990 100644 --- a/libwc/wtf.c +++ b/libwc/wtf.c @@ -129,13 +129,18 @@ wtf_strwidth(wc_uchar *p) return w; } -/* size_t wtf_len1(wc_uchar *p) { - return (size_t)WTF_LEN_MAP[*p]; + size_t len, len_max = WTF_LEN_MAP[*p]; + + for (len = 0; *(p + len); len++) + if (len == len_max) + break; + if (len == 0) + len = 1; + return len; } -*/ size_t wtf_len(wc_uchar *p) |