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-rw-r--r--src/process.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/process.c b/src/process.c
index f41cdbe5c71..6b58bc6315b 100644
--- a/src/process.c
+++ b/src/process.c
@@ -5368,7 +5368,7 @@ send_process (volatile Lisp_Object proc, const char *volatile buf,
/* Send this batch, using one or more write calls. */
while (this > 0)
{
- size_t written = 0;
+ EMACS_INT written = 0;
int outfd = p->outfd;
old_sigpipe = (void (*) (int)) signal (SIGPIPE, send_process_trap);
#ifdef DATAGRAM_SOCKETS