mirror of
https://github.com/xzeldon/htop.git
synced 2024-12-24 15:15:44 +00:00
Misc CRT cleanup
This commit is contained in:
Christian Göttsche
cgzones
parent
59edb2e80c
commit
1df7fa387a
55
CRT.c
55
CRT.c
@ -28,20 +28,20 @@ in the source distribution for its full text.
|
||||
#include <sys/types.h>
|
||||
#endif
|
||||
|
||||
#define ColorIndex(i,j) ((7-i)*8+j)
|
||||
#define ColorIndex(i,j) ((7-(i))*8+(j))
|
||||
|
||||
#define ColorPair(i,j) COLOR_PAIR(ColorIndex(i,j))
|
||||
|
||||
#define Black COLOR_BLACK
|
||||
#define Red COLOR_RED
|
||||
#define Green COLOR_GREEN
|
||||
#define Yellow COLOR_YELLOW
|
||||
#define Blue COLOR_BLUE
|
||||
#define Black COLOR_BLACK
|
||||
#define Red COLOR_RED
|
||||
#define Green COLOR_GREEN
|
||||
#define Yellow COLOR_YELLOW
|
||||
#define Blue COLOR_BLUE
|
||||
#define Magenta COLOR_MAGENTA
|
||||
#define Cyan COLOR_CYAN
|
||||
#define White COLOR_WHITE
|
||||
#define Cyan COLOR_CYAN
|
||||
#define White COLOR_WHITE
|
||||
|
||||
#define ColorPairGrayBlack ColorPair(Magenta,Magenta)
|
||||
#define ColorPairGrayBlack ColorPair(Magenta,Magenta)
|
||||
#define ColorIndexGrayBlack ColorIndex(Magenta,Magenta)
|
||||
|
||||
static const char *const CRT_treeStrAscii[TREE_STR_COUNT] = {
|
||||
@ -74,11 +74,9 @@ bool CRT_utf8 = false;
|
||||
|
||||
const char *const *CRT_treeStr = CRT_treeStrAscii;
|
||||
|
||||
static bool CRT_hasColors;
|
||||
int CRT_delay;
|
||||
|
||||
int CRT_delay = 0;
|
||||
|
||||
int* CRT_colors;
|
||||
const int* CRT_colors;
|
||||
|
||||
int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT] = {
|
||||
[COLORSCHEME_DEFAULT] = {
|
||||
@ -544,9 +542,7 @@ int CRT_scrollHAmount = 5;
|
||||
|
||||
int CRT_scrollWheelVAmount = 10;
|
||||
|
||||
char* CRT_termType;
|
||||
|
||||
// TODO move color scheme to Settings, perhaps?
|
||||
const char* CRT_termType;
|
||||
|
||||
int CRT_colorScheme = 0;
|
||||
|
||||
@ -563,35 +559,29 @@ static int CRT_euid = -1;
|
||||
|
||||
static int CRT_egid = -1;
|
||||
|
||||
#define DIE(msg) do { CRT_done(); fprintf(stderr, msg); exit(1); } while(0)
|
||||
|
||||
void CRT_dropPrivileges() {
|
||||
CRT_egid = getegid();
|
||||
CRT_euid = geteuid();
|
||||
if (setegid(getgid()) == -1) {
|
||||
DIE("Fatal error: failed dropping group privileges.\n");
|
||||
CRT_fatalError("Fatal error: failed dropping group privileges");
|
||||
}
|
||||
if (seteuid(getuid()) == -1) {
|
||||
DIE("Fatal error: failed dropping user privileges.\n");
|
||||
CRT_fatalError("Fatal error: failed dropping user privileges");
|
||||
}
|
||||
}
|
||||
|
||||
void CRT_restorePrivileges() {
|
||||
if (CRT_egid == -1 || CRT_euid == -1) {
|
||||
DIE("Fatal error: internal inconsistency.\n");
|
||||
CRT_fatalError("Fatal error: internal inconsistency");
|
||||
}
|
||||
if (setegid(CRT_egid) == -1) {
|
||||
DIE("Fatal error: failed restoring group privileges.\n");
|
||||
CRT_fatalError("Fatal error: failed restoring group privileges");
|
||||
}
|
||||
if (seteuid(CRT_euid) == -1) {
|
||||
DIE("Fatal error: failed restoring user privileges.\n");
|
||||
CRT_fatalError("Fatal error: failed restoring user privileges");
|
||||
}
|
||||
}
|
||||
|
||||
#else /* HAVE_SETUID_ENABLED */
|
||||
|
||||
// In this case, the setuid operations are defined as macros in CRT.h
|
||||
|
||||
#endif /* HAVE_SETUID_ENABLED */
|
||||
|
||||
static struct sigaction old_sig_handler[32];
|
||||
@ -601,10 +591,7 @@ static struct sigaction old_sig_handler[32];
|
||||
void CRT_init(int delay, int colorScheme, bool allowUnicode) {
|
||||
initscr();
|
||||
noecho();
|
||||
CRT_delay = delay;
|
||||
if (CRT_delay == 0) {
|
||||
CRT_delay = 1;
|
||||
}
|
||||
CRT_delay = CLAMP(delay, 1, 255);
|
||||
CRT_colors = CRT_colorSchemes[colorScheme];
|
||||
CRT_colorScheme = colorScheme;
|
||||
|
||||
@ -619,12 +606,8 @@ void CRT_init(int delay, int colorScheme, bool allowUnicode) {
|
||||
keypad(stdscr, true);
|
||||
mouseinterval(0);
|
||||
curs_set(0);
|
||||
if (has_colors()) {
|
||||
if (has_colors())
|
||||
start_color();
|
||||
CRT_hasColors = true;
|
||||
} else {
|
||||
CRT_hasColors = false;
|
||||
}
|
||||
CRT_termType = getenv("TERM");
|
||||
if (String_eq(CRT_termType, "linux"))
|
||||
CRT_scrollHAmount = 20;
|
||||
|
||||
34
CRT.h
34
CRT.h
@ -11,10 +11,6 @@ in the source distribution for its full text.
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
#define KEY_WHEELUP KEY_F(20)
|
||||
#define KEY_WHEELDOWN KEY_F(21)
|
||||
#define KEY_RECLICK KEY_F(22)
|
||||
|
||||
typedef enum TreeStr_ {
|
||||
TREE_STR_HORZ,
|
||||
TREE_STR_VERT,
|
||||
@ -28,13 +24,13 @@ typedef enum TreeStr_ {
|
||||
|
||||
typedef enum ColorSchemes_ {
|
||||
COLORSCHEME_DEFAULT = 0,
|
||||
COLORSCHEME_MONOCHROME = 1,
|
||||
COLORSCHEME_BLACKONWHITE = 2,
|
||||
COLORSCHEME_LIGHTTERMINAL = 3,
|
||||
COLORSCHEME_MIDNIGHT = 4,
|
||||
COLORSCHEME_BLACKNIGHT = 5,
|
||||
COLORSCHEME_BROKENGRAY = 6,
|
||||
LAST_COLORSCHEME = 7,
|
||||
COLORSCHEME_MONOCHROME,
|
||||
COLORSCHEME_BLACKONWHITE,
|
||||
COLORSCHEME_LIGHTTERMINAL,
|
||||
COLORSCHEME_MIDNIGHT,
|
||||
COLORSCHEME_BLACKNIGHT,
|
||||
COLORSCHEME_BROKENGRAY,
|
||||
LAST_COLORSCHEME,
|
||||
} ColorSchemes;
|
||||
|
||||
typedef enum ColorElements_ {
|
||||
@ -119,7 +115,10 @@ void CRT_fatalError(const char* note) ATTR_NORETURN;
|
||||
|
||||
void CRT_handleSIGSEGV(int signal) ATTR_NORETURN;
|
||||
|
||||
#define KEY_ALT(x) (KEY_F(64 - 26) + (x - 'A'))
|
||||
#define KEY_WHEELUP KEY_F(20)
|
||||
#define KEY_WHEELDOWN KEY_F(21)
|
||||
#define KEY_RECLICK KEY_F(22)
|
||||
#define KEY_ALT(x) (KEY_F(64 - 26) + ((x) - 'A'))
|
||||
|
||||
|
||||
#ifdef HAVE_LIBNCURSESW
|
||||
@ -132,7 +131,7 @@ extern const char *const *CRT_treeStr;
|
||||
|
||||
extern int CRT_delay;
|
||||
|
||||
extern int* CRT_colors;
|
||||
extern const int* CRT_colors;
|
||||
|
||||
extern int CRT_colorSchemes[LAST_COLORSCHEME][LAST_COLORELEMENT];
|
||||
|
||||
@ -142,7 +141,7 @@ extern int CRT_scrollHAmount;
|
||||
|
||||
extern int CRT_scrollWheelVAmount;
|
||||
|
||||
extern char* CRT_termType;
|
||||
extern const char* CRT_termType;
|
||||
|
||||
extern int CRT_colorScheme;
|
||||
|
||||
@ -155,11 +154,8 @@ void CRT_restorePrivileges(void);
|
||||
#else /* HAVE_SETUID_ENABLED */
|
||||
|
||||
/* Turn setuid operations into NOPs */
|
||||
|
||||
#ifndef CRT_dropPrivileges
|
||||
#define CRT_dropPrivileges()
|
||||
#define CRT_restorePrivileges()
|
||||
#endif
|
||||
static inline void CRT_dropPrivileges(void) { }
|
||||
static inline void CRT_restorePrivileges(void) { }
|
||||
|
||||
#endif /* HAVE_SETUID_ENABLED */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user