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| author | Raymond Hettinger <python@rcn.com> | 2008-06-16 01:49:18 +0000 |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2008-06-16 01:49:18 +0000 |
| commit | 64626ade7074929362acb8b488ad3b513e9a35f5 (patch) | |
| tree | 4a4ec2c649465a71796340950ced36d9f129e2a1 /Python | |
| parent | 9aa9fec0d5bc1450a77e7c35e62bd132c610766d (diff) | |
| download | cpython-64626ade7074929362acb8b488ad3b513e9a35f5.tar.gz | |
Issue #3116 and #1792: Fix quadratic behavior in marshal.dumps().
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/marshal.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Python/marshal.c b/Python/marshal.c index 897c15ec8a..c305bbe47c 100644 --- a/Python/marshal.c +++ b/Python/marshal.c @@ -65,7 +65,10 @@ w_more(int c, WFILE *p) if (p->str == NULL) return; /* An error already occurred */ size = PyString_Size(p->str); - newsize = size + 1024; + newsize = size + size + 1024; + if (newsize > 32*1024*1024) { + newsize = size + (size >> 3); /* 12.5% overallocation */ + } if (_PyString_Resize(&p->str, newsize) != 0) { p->ptr = p->end = NULL; } |