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Use bool for function return values instead of 1 or 0.

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This commit is contained in:
Todd C. Miller
2014-02-04 15:18:16 -07:00
parent 249becb1ac
commit 08af9d0516
2 changed files with 28 additions and 28 deletions
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46
common/term.c
View File

@@ -88,33 +88,33 @@ tcsetattr_nointr(int fd, int flags, struct termios *tp)
/*
* Restore saved terminal settings.
* Returns 1 on success or 0 on failure.
* Returns true on success or false on failure.
*/
int
term_restore(int fd, int flush)
bool
term_restore(int fd, bool flush)
{
debug_decl(term_restore, SUDO_DEBUG_UTIL)
if (changed) {
const int flags = flush ? (TCSASOFT|TCSAFLUSH) : (TCSASOFT|TCSADRAIN);
if (tcsetattr_nointr(fd, flags, &oterm) != 0)
debug_return_int(0);
debug_return_bool(false);
changed = 0;
}
debug_return_int(1);
debug_return_bool(true);
}
/*
* Disable terminal echo.
* Returns 1 on success or 0 on failure.
* Returns true on success or false on failure.
*/
int
bool
term_noecho(int fd)
{
debug_decl(term_noecho, SUDO_DEBUG_UTIL)
if (!changed && tcgetattr(fd, &oterm) != 0)
debug_return_int(0);
debug_return_bool(false);
(void) memcpy(&term, &oterm, sizeof(term));
CLR(term.c_lflag, ECHO|ECHONL);
#ifdef VSTATUS
@@ -122,16 +122,16 @@ term_noecho(int fd)
#endif
if (tcsetattr_nointr(fd, TCSADRAIN|TCSASOFT, &term) == 0) {
changed = 1;
debug_return_int(1);
debug_return_bool(true);
}
debug_return_int(0);
debug_return_bool(false);
}
/*
* Set terminal to raw mode.
* Returns 1 on success or 0 on failure.
* Returns true on success or false on failure.
*/
int
bool
term_raw(int fd, int isig)
{
struct termios term;
@@ -150,16 +150,16 @@ term_raw(int fd, int isig)
SET(term.c_lflag, ISIG);
if (tcsetattr_nointr(fd, TCSADRAIN|TCSASOFT, &term) == 0) {
changed = 1;
debug_return_int(1);
debug_return_bool(true);
}
debug_return_int(0);
debug_return_bool(false);
}
/*
* Set terminal to cbreak mode.
* Returns 1 on success or 0 on failure.
* Returns true on success or false on failure.
*/
int
bool
term_cbreak(int fd)
{
debug_decl(term_cbreak, SUDO_DEBUG_UTIL)
@@ -181,24 +181,24 @@ term_cbreak(int fd)
term_erase = term.c_cc[VERASE];
term_kill = term.c_cc[VKILL];
changed = 1;
debug_return_int(1);
debug_return_bool(true);
}
debug_return_int(0);
debug_return_bool(false);
}
/*
* Copy terminal settings from one descriptor to another.
* Returns 1 on success or 0 on failure.
* Returns true on success or false on failure.
*/
int
bool
term_copy(int src, int dst)
{
struct termios tt;
debug_decl(term_copy, SUDO_DEBUG_UTIL)
if (tcgetattr(src, &tt) != 0)
debug_return_int(0);
debug_return_bool(false);
if (tcsetattr_nointr(dst, TCSANOW|TCSASOFT, &tt) != 0)
debug_return_int(0);
debug_return_int(1);
debug_return_bool(false);
debug_return_bool(true);
}

10
include/sudo_util.h
View File

@@ -163,11 +163,11 @@ void initprogname(const char *);
int sudo_setgroups(int ngids, const GETGROUPS_T *gids);
/* term.c */
int term_cbreak(int);
int term_copy(int, int);
int term_noecho(int);
int term_raw(int, int);
int term_restore(int, int);
bool term_cbreak(int);
bool term_copy(int, int);
bool term_noecho(int);
bool term_raw(int, int);
bool term_restore(int, bool);
/* ttysize.c */
void get_ttysize(int *rowp, int *colp);