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server: don't get stuck in read() if TERM length is 0

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Daniel Eklöf 2019-11-02 12:17:30 +01:00
parent a1ba4cb010
commit 338747dc5a
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1 changed files with 4 additions and 2 deletions
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server.c
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@ -113,8 +113,10 @@ fdm_client(struct fdm *fdm, int fd, int events, void *data)
term_env = malloc(term_env_len + 1); term_env = malloc(term_env_len + 1);
term_env[term_env_len] = '\0'; term_env[term_env_len] = '\0';
if (recv(fd, term_env, term_env_len, 0) != term_env_len) if (term_env_len > 0) {
goto shutdown; if (recv(fd, term_env, term_env_len, 0) != term_env_len)
goto shutdown;
}
if (recv(fd, &client->argc, sizeof(client->argc), 0) != sizeof(client->argc)) if (recv(fd, &client->argc, sizeof(client->argc), 0) != sizeof(client->argc))
goto shutdown; goto shutdown;