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Diffstat (limited to 'ext/session/mod_files.c')
-rw-r--r--ext/session/mod_files.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/ext/session/mod_files.c b/ext/session/mod_files.c
index 2fce69d792..52dddadc6d 100644
--- a/ext/session/mod_files.c
+++ b/ext/session/mod_files.c
@@ -267,8 +267,13 @@ PS_READ_FUNC(files)
data->st_size = *vallen = sbuf.st_size;
*val = emalloc(sbuf.st_size);
+#ifdef HAVE_PREAD
+ n = pread(data->fd, *val, sbuf.st_size, 0);
+#else
lseek(data->fd, 0, SEEK_SET);
n = read(data->fd, *val, sbuf.st_size);
+#endif
+
if (n != sbuf.st_size) {
efree(*val);
return FAILURE;
@@ -294,8 +299,12 @@ PS_WRITE_FUNC(files)
if (vallen < (int)data->st_size)
ftruncate(data->fd, 0);
+#ifdef HAVE_PWRITE
+ n = pwrite(data->fd, val, vallen, 0);
+#else
lseek(data->fd, 0, SEEK_SET);
n = write(data->fd, val, vallen);
+#endif
if (n != vallen) {
php_error(E_WARNING, "write failed: %s (%d)", strerror(errno), errno);