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Fix net_send_all()

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On partial writes, the final result was the number of bytes written by
the last send() rather than the total.
This commit is contained in:
Romain Vimont 2021-07-15 18:16:26 +02:00
parent daf90d33d5
commit 6f03022646
1 changed files with 4 additions and 2 deletions
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6
app/src/util/net.c
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@ -99,16 +99,18 @@ net_send(socket_t socket, const void *buf, size_t len) {
ssize_t ssize_t
net_send_all(socket_t socket, const void *buf, size_t len) { net_send_all(socket_t socket, const void *buf, size_t len) {
size_t copied = 0;
ssize_t w = 0; ssize_t w = 0;
while (len > 0) { while (len > 0) {
w = send(socket, buf, len, 0); w = send(socket, buf, len, 0);
if (w == -1) { if (w == -1) {
return -1; return copied ? (ssize_t) copied : -1;
} }
len -= w; len -= w;
buf = (char *) buf + w; buf = (char *) buf + w;
copied += w;
} }
return w; return copied;
} }
bool bool