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Adapted for 5.4, binary patch removed, from:
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From f3feddb5b45b5abd93abb1a95044b7e099d51c84 Mon Sep 17 00:00:00 2001
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From: Stanislav Malyshev <stas@php.net>
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Date: Mon, 18 Jul 2016 22:20:45 -0700
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Subject: [PATCH] Partial fix for bug #72613 - do not treat negative returns
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from bz2 as size_t
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---
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ext/bz2/bz2.c | 80 +++++++++++++++++++++++---------------------
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ext/bz2/tests/72613.bz2 | Bin 0 -> 351 bytes
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ext/bz2/tests/bug72613.phpt | 23 +++++++++++++
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3 files changed, 65 insertions(+), 38 deletions(-)
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create mode 100644 ext/bz2/tests/72613.bz2
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create mode 100644 ext/bz2/tests/bug72613.phpt
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diff --git a/ext/bz2/bz2.c b/ext/bz2/bz2.c
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index de3250e..7cfcaa8 100644
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--- a/ext/bz2/bz2.c
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+++ b/ext/bz2/bz2.c
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@@ -137,16 +137,20 @@ struct php_bz2_stream_data_t {
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static size_t php_bz2iop_read(php_stream *stream, char *buf, size_t count TSRMLS_DC)
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{
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struct php_bz2_stream_data_t *self = (struct php_bz2_stream_data_t *) stream->abstract;
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- size_t ret;
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-
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- ret = BZ2_bzread(self->bz_file, buf, count);
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+ int bz2_ret;
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+
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+ bz2_ret = BZ2_bzread(self->bz_file, buf, count);
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- if (ret == 0) {
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+ if (bz2_ret < 0) {
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+ stream->eof = 1;
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+ return -1;
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+ }
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+ if (bz2_ret == 0) {
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stream->eof = 1;
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}
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- return ret;
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+ return (size_t)bz2_ret;
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}
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static size_t php_bz2iop_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC)
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{
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