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authorDevin J. Pohly <djpohly@gmail.com>2018-02-24 16:32:20 -0600
committerDevin J. Pohly <djpohly@gmail.com>2018-02-25 21:56:26 -0600
commite0215d53770a9b6bc6e5d7b9a603ecd34dbd7100 (patch)
treeb696b3fa2c69270a198c3bcc1e0a289b12b3538c
parent30683c70ab62fd37b5921cf72077b9aef2cb842e (diff)
downloadst-e0215d53770a9b6bc6e5d7b9a603ecd34dbd7100.tar.gz
Reduce visibility wherever possible
When possible, declare functions/variables static and move struct definitions out of headers. In order to allow utf8decode to become internal, use codepoint for DECSCUSR extension directly. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
-rw-r--r--st.c31
-rw-r--r--st.h40
-rw-r--r--win.h1
-rw-r--r--x.c15
4 files changed, 43 insertions, 44 deletions
diff --git a/st.c b/st.c
index ce32cc0..f46aab6 100644
--- a/st.c
+++ b/st.c
@@ -36,6 +36,7 @@
/* Arbitrary sizes */
#define UTF_INVALID 0xFFFD
+#define UTF_SIZ 4
#define ESC_BUF_SIZ (128*UTF_SIZ)
#define ESC_ARG_SIZ 16
#define STR_BUF_SIZ ESC_BUF_SIZ
@@ -95,6 +96,31 @@ enum escape_state {
ESC_DCS =128,
};
+typedef struct {
+ Glyph attr; /* current char attributes */
+ int x;
+ int y;
+ char state;
+} TCursor;
+
+typedef struct {
+ int mode;
+ int type;
+ int snap;
+ /*
+ * Selection variables:
+ * nb – normalized coordinates of the beginning of the selection
+ * ne – normalized coordinates of the end of the selection
+ * ob – original coordinates of the beginning of the selection
+ * oe – original coordinates of the end of the selection
+ */
+ struct {
+ int x, y;
+ } nb, ne, ob, oe;
+
+ int alt;
+} Selection;
+
/* Internal representation of the screen */
typedef struct {
int row; /* nb row */
@@ -187,15 +213,18 @@ static void tstrsequence(uchar);
static void drawregion(int, int, int, int);
+static void selnormalize(void);
static void selscroll(int, int);
static void selsnap(int *, int *, int);
+static size_t utf8decode(const char *, Rune *, size_t);
static Rune utf8decodebyte(char, size_t *);
static char utf8encodebyte(Rune, size_t);
-static char *utf8strchr(char *s, Rune u);
+static char *utf8strchr(char *, Rune);
static size_t utf8validate(Rune *, size_t);
static char *base64dec(const char *);
+static char base64dec_getc(const char **);
static ssize_t xwrite(int, const char *, size_t);
diff --git a/st.h b/st.h
index 0a7472b..1015fc6 100644
--- a/st.h
+++ b/st.h
@@ -1,8 +1,5 @@
/* See LICENSE for license details. */
-/* Arbitrary sizes */
-#define UTF_SIZ 4
-
/* macros */
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
@@ -69,41 +66,6 @@ typedef struct {
typedef Glyph *Line;
-typedef struct {
- Glyph attr; /* current char attributes */
- int x;
- int y;
- char state;
-} TCursor;
-
-/* Purely graphic info */
-typedef struct {
- int tw, th; /* tty width and height */
- int w, h; /* window width and height */
- int ch; /* char height */
- int cw; /* char width */
- int mode; /* window state/mode flags */
- int cursor; /* cursor style */
-} TermWindow;
-
-typedef struct {
- int mode;
- int type;
- int snap;
- /*
- * Selection variables:
- * nb – normalized coordinates of the beginning of the selection
- * ne – normalized coordinates of the end of the selection
- * ob – original coordinates of the beginning of the selection
- * oe – original coordinates of the end of the selection
- */
- struct {
- int x, y;
- } nb, ne, ob, oe;
-
- int alt;
-} Selection;
-
typedef union {
int i;
uint ui;
@@ -137,11 +99,9 @@ void selclear(void);
void selinit(void);
void selstart(int, int, int);
void selextend(int, int, int, int);
-void selnormalize(void);
int selected(int, int);
char *getsel(void);
-size_t utf8decode(const char *, Rune *, size_t);
size_t utf8encode(Rune, char *);
void *xmalloc(size_t);
diff --git a/win.h b/win.h
index 7a866fd..31f327d 100644
--- a/win.h
+++ b/win.h
@@ -27,7 +27,6 @@ void xbell(void);
void xclipcopy(void);
void xdrawcursor(int, int, Glyph, int, int, Glyph);
void xdrawline(Line, int, int, int);
-void xhints(void);
void xfinishdraw(void);
void xloadcols(void);
int xsetcolorname(int, const char *);
diff --git a/x.c b/x.c
index 970d6dd..f7b0528 100644
--- a/x.c
+++ b/x.c
@@ -76,6 +76,15 @@ typedef XftGlyphFontSpec GlyphFontSpec;
/* Purely graphic info */
typedef struct {
+ int tw, th; /* tty width and height */
+ int w, h; /* window width and height */
+ int ch; /* char height */
+ int cw; /* char width */
+ int mode; /* window state/mode flags */
+ int cursor; /* cursor style */
+} TermWindow;
+
+typedef struct {
Display *dpy;
Colormap cmap;
Window win;
@@ -133,6 +142,8 @@ static int xgeommasktogravity(int);
static void xinit(int, int);
static void cresize(int, int);
static void xresize(int, int);
+static void xhints(void);
+static int xloadcolor(int, const char *, Color *);
static int xloadfont(Font *, FcPattern *);
static void xloadfonts(char *, double);
static void xunloadfont(Font *);
@@ -1430,8 +1441,8 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
/* draw the new one */
if (IS_SET(MODE_FOCUSED)) {
switch (win.cursor) {
- case 7: /* st extension: snowman */
- utf8decode("☃", &g.u, UTF_SIZ);
+ case 7: /* st extension: snowman (U+2603) */
+ g.u = 0x2603;
case 0: /* Blinking Block */
case 1: /* Blinking Block (Default) */
case 2: /* Steady Block */