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tests: Mark unreachable points after fail_msg()

fail_msg() is not expected to return.  Mark the points after calling it
as unreachable to clarify this to the compiler.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Anderson Toshiyuki Sasaki
2020-03-16 14:32:21 +01:00
committed by Andreas Schneider
parent b06b936819
commit 3845f77d76

View File

@ -986,11 +986,15 @@ void torture_setup_libssh_server(void **state, const char *server_path)
s->srv_additional_config);
if (printed < 0) {
fail_msg("Failed to print additional config!");
/* Unreachable */
__builtin_unreachable();
}
} else {
printed = snprintf(extra_options, sizeof(extra_options), " ");
if (printed < 0) {
fail_msg("Failed to print empty additional config!");
/* Unreachable */
__builtin_unreachable();
}
}
@ -1009,6 +1013,8 @@ void torture_setup_libssh_server(void **state, const char *server_path)
s->socket_dir, ld_preload, force_fips);
if (printed < 0) {
fail_msg("Failed to print env!");
/* Unreachable */
__builtin_unreachable();
}
#ifdef WITH_TIMEOUT
@ -1027,6 +1033,8 @@ void torture_setup_libssh_server(void **state, const char *server_path)
s->srv_config, extra_options, TORTURE_SSH_SERVER);
if (printed < 0) {
fail_msg("Failed to print start command!");
/* Unreachable */
__builtin_unreachable();
}
pid = fork();
@ -1035,23 +1043,31 @@ void torture_setup_libssh_server(void **state, const char *server_path)
env_tokens = ssh_tokenize(env, ' ');
if (env_tokens == NULL || env_tokens->tokens == NULL) {
fail_msg("Failed to tokenize env!");
/* Unreachable */
__builtin_unreachable();
}
arg_tokens = ssh_tokenize(start_cmd, ' ');
if (arg_tokens == NULL || arg_tokens->tokens == NULL) {
ssh_tokens_free(env_tokens);
fail_msg("Failed to tokenize args!");
/* Unreachable */
__builtin_unreachable();
}
rc = execve(arg_tokens->tokens[0], (char **)arg_tokens->tokens,
(char **)env_tokens->tokens);
execve(arg_tokens->tokens[0], (char **)arg_tokens->tokens,
(char **)env_tokens->tokens);
/* execve returns only in case of error */
ssh_tokens_free(env_tokens);
ssh_tokens_free(arg_tokens);
fail_msg("Error in execve: %s", strerror(errno));
/* Unreachable */
__builtin_unreachable();
case -1:
fail_msg("Failed to fork!");
/* Unreachable */
__builtin_unreachable();
default:
/* The parent continues the execution of the tests */
setenv("SOCKET_WRAPPER_DEFAULT_IFACE", "21", 1);