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Do not copy buffer if read fails.

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This commit is contained in:
Milan Broz
2018-10-11 15:39:31 +02:00
parent 879e06db39
commit 31532adf86
1 changed files with 2 additions and 1 deletions
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lib/utils_io.c
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@@ -184,6 +184,7 @@ ssize_t read_blockwise(int fd, size_t bsize, size_t alignment,
out: out:
free(hangover_buf); free(hangover_buf);
if (buf != orig_buf) { if (buf != orig_buf) {
if (ret == length)
memcpy(orig_buf, buf, length); memcpy(orig_buf, buf, length);
free(buf); free(buf);
} }