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Fixed unix ngx_write_chain_to_file() to return total bytes written.

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Previously result of last iteration's writev() was returned.  This was
unnoticed as return value was only used if chain contained only one or
two buffers.
This commit is contained in:
Maxim Dounin 2011-10-20 12:40:26 +00:00
parent 5f81070523
commit aecb2eda13
1 changed files with 5 additions and 2 deletions
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7
src/os/unix/ngx_files.c
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@ -153,7 +153,7 @@ ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset,
{
u_char *prev;
size_t size;
ssize_t n;
ssize_t total, n;
ngx_array_t vec;
struct iovec *iov, iovs[NGX_IOVS];
@ -165,6 +165,8 @@ ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset,
offset);
}
total = 0;
vec.elts = iovs;
vec.size = sizeof(struct iovec);
vec.nalloc = NGX_IOVS;
@ -233,10 +235,11 @@ ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset,
file->sys_offset += n;
file->offset += n;
total += n;
} while (cl);
return n;
return total;
}