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| author | pfg <pfg@FreeBSD.org> | 2016-04-28 01:11:25 +0000 |
|---|---|---|
| committer | pfg <pfg@FreeBSD.org> | 2016-04-28 01:11:25 +0000 |
| commit | 4d78336c424ca941ccdd2ead90e8e2beec434429 (patch) | |
| tree | 69604d9a764e87d48ea8621d6ea40024e905cf4c /lib/libc/regex | |
| parent | a7708f42f754ca6ad0152f462f644a03765fc462 (diff) | |
| download | FreeBSD-src-4d78336c424ca941ccdd2ead90e8e2beec434429.zip FreeBSD-src-4d78336c424ca941ccdd2ead90e8e2beec434429.tar.gz | |
MFC r298521;
regex: prevent two improbable signed integer overflows.
In matcher() we used an integer to index nsub of type size_t.
In print() we used an integer to index nstates of type sopno,
typedef'd long.
In both cases the indexes never take negative values.
Match the types to avoid any error.
Diffstat (limited to 'lib/libc/regex')
| -rw-r--r-- | lib/libc/regex/engine.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/regex/engine.c b/lib/libc/regex/engine.c index 589bb9d..72922f6 100644 --- a/lib/libc/regex/engine.c +++ b/lib/libc/regex/engine.c @@ -154,7 +154,7 @@ matcher(struct re_guts *g, int eflags) { const char *endp; - int i; + size_t i; struct match mv; struct match *m = &mv; const char *dp; @@ -1108,7 +1108,7 @@ print(struct match *m, FILE *d) { struct re_guts *g = m->g; - int i; + sopno i; int first = 1; if (!(m->eflags®_TRACE)) |
