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execute: simplify stdin/stderr/stdout fixup a little

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This commit is contained in:
Lennart Poettering 2010-05-19 21:50:34 +02:00
parent 9a6bca7aad
commit 03fd9c4932
1 changed files with 12 additions and 23 deletions
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35
src/execute.c
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@ -227,31 +227,20 @@ static bool is_terminal_input(ExecInput i) {
i == EXEC_INPUT_TTY_FAIL;
}
static int fixup_input(const ExecContext *context, int socket_fd) {
assert(context);
static int fixup_input(ExecInput std_input, int socket_fd) {
if (socket_fd < 0 && context->std_input == EXEC_INPUT_SOCKET)
if (std_input == EXEC_INPUT_SOCKET && socket_fd < 0)
return EXEC_INPUT_NULL;
return context->std_input;
return std_input;
}
static int fixup_output(const ExecContext *context, int socket_fd) {
assert(context);
static int fixup_output(ExecOutput std_output, int socket_fd) {
if (socket_fd < 0 && context->std_output == EXEC_OUTPUT_SOCKET)
if (std_output == EXEC_OUTPUT_SOCKET && socket_fd < 0)
return EXEC_OUTPUT_INHERIT;
return context->std_output;
}
static int fixup_error(const ExecContext *context, int socket_fd) {
assert(context);
if (socket_fd < 0 && context->std_error == EXEC_OUTPUT_SOCKET)
return EXEC_OUTPUT_INHERIT;
return context->std_error;
return std_output;
}
static int setup_input(const ExecContext *context, int socket_fd) {
@ -259,7 +248,7 @@ static int setup_input(const ExecContext *context, int socket_fd) {
assert(context);
i = fixup_input(context, socket_fd);
i = fixup_input(context->std_input, socket_fd);
switch (i) {
@ -302,8 +291,8 @@ static int setup_output(const ExecContext *context, int socket_fd, const char *i
assert(context);
assert(ident);
i = fixup_input(context, socket_fd);
o = fixup_output(context, socket_fd);
i = fixup_input(context->std_input, socket_fd);
o = fixup_output(context->std_output, socket_fd);
/* This expects the input is already set up */
@ -347,9 +336,9 @@ static int setup_error(const ExecContext *context, int socket_fd, const char *id
assert(context);
assert(ident);
i = fixup_input(context, socket_fd);
o = fixup_output(context, socket_fd);
e = fixup_error(context, socket_fd);
i = fixup_input(context->std_input, socket_fd);
o = fixup_output(context->std_output, socket_fd);
e = fixup_output(context->std_error, socket_fd);
/* This expects the input and output are already set up */