[PATCH 15/24] unix.7: Use sizeof() to get buffer size (instead of hardcoding macro name)

Alejandro Colomar
2020-09-10T21:17:26Z

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
---
man7/unix.7 | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/man7/unix.7 b/man7/unix.7
index f61b51424..50828a5bc 100644
--- a/man7/unix.7
+++ b/man7/unix.7
@@ -991,7 +991,7 @@ main(int argc, char *argv[])

/* Wait for next data packet. */

- ret = read(data_socket, buffer, BUFFER_SIZE);
+ ret = read(data_socket, buffer, sizeof(buffer));
if (ret == \-1) {
perror("read");
exit(EXIT_FAILURE);
@@ -999,16 +999,16 @@ main(int argc, char *argv[])

/* Ensure buffer is 0\-terminated. */

- buffer[BUFFER_SIZE \- 1] = 0;
+ buffer[sizeof(buffer) \- 1] = 0;

/* Handle commands. */

- if (!strncmp(buffer, "DOWN", BUFFER_SIZE)) {
+ if (!strncmp(buffer, "DOWN", sizeof(buffer))) {
down_flag = 1;
break;
}

- if (!strncmp(buffer, "END", BUFFER_SIZE)) {
+ if (!strncmp(buffer, "END", sizeof(buffer))) {
break;
}

@@ -1020,7 +1020,7 @@ main(int argc, char *argv[])
/* Send result. */

sprintf(buffer, "%d", result);
- ret = write(data_socket, buffer, BUFFER_SIZE);
+ ret = write(data_socket, buffer, sizeof(buffer));
if (ret == \-1) {
perror("write");
exit(EXIT_FAILURE);
@@ -1116,7 +1116,7 @@ main(int argc, char *argv[])

/* Receive result. */

- ret = read(data_socket, buffer, BUFFER_SIZE);
+ ret = read(data_socket, buffer, sizeof(buffer));
if (ret == \-1) {
perror("read");
exit(EXIT_FAILURE);
@@ -1124,7 +1124,7 @@ main(int argc, char *argv[])

/* Ensure buffer is 0\-terminated. */

- buffer[BUFFER_SIZE \- 1] = 0;
+ buffer[sizeof(buffer) \- 1] = 0;

printf("Result = %s\en", buffer);

--
2.28.0