Move opt_* into same file as main()/run() - st - simple terminal
HTML git clone https://git.parazyd.org/st
DIR Log
DIR Files
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DIR README
DIR LICENSE
---
DIR commit 69e32a61df15787c410a48eaa10a89240c36257d
DIR parent ed132e11271d18a5d8aa163096bc6192c694bc47
HTML Author: Devin J. Pohly <djpohly@gmail.com>
Date: Thu, 12 Oct 2017 22:25:49 -0500
Move opt_* into same file as main()/run()
This commit is purely about reducing externs and LOC. If the main and
run functions ever move elsewhere (which will probably make sense
eventually), these should come along with them.
Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
Diffstat:
M st.c | 50 +++++++++++++-------------------
M st.h | 11 ++---------
M x.c | 12 +++++++++++-
3 files changed, 33 insertions(+), 40 deletions(-)
---
DIR diff --git a/st.c b/st.c
@@ -48,7 +48,6 @@
/* macros */
#define NUMMAXLEN(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
-#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
@@ -124,8 +123,8 @@ static void sendbreak(const Arg *);
/* config.h for applying patches and the configuration. */
#include "config.h"
-static void execsh(void);
-static void stty(void);
+static void execsh(char **);
+static void stty(char **);
static void sigchld(int);
static void csidump(void);
@@ -189,14 +188,6 @@ Term term;
Selection sel;
int cmdfd;
pid_t pid;
-char **opt_cmd = NULL;
-char *opt_class = NULL;
-char *opt_embed = NULL;
-char *opt_font = NULL;
-char *opt_io = NULL;
-char *opt_line = NULL;
-char *opt_name = NULL;
-char *opt_title = NULL;
int oldbutton = 3; /* button event on startup: 3 = release */
static CSIEscape csiescseq;
@@ -634,9 +625,9 @@ die(const char *errstr, ...)
}
void
-execsh(void)
+execsh(char **args)
{
- char **args, *sh, *prog;
+ char *sh, *prog;
const struct passwd *pw;
errno = 0;
@@ -650,13 +641,13 @@ execsh(void)
if ((sh = getenv("SHELL")) == NULL)
sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
- if (opt_cmd)
- prog = opt_cmd[0];
+ if (args)
+ prog = args[0];
else if (utmp)
prog = utmp;
else
prog = sh;
- args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
+ DEFAULT(args, ((char *[]) {prog, NULL}));
unsetenv("COLUMNS");
unsetenv("LINES");
@@ -697,7 +688,7 @@ sigchld(int a)
void
-stty(void)
+stty(char **args)
{
char cmd[_POSIX_ARG_MAX], **p, *q, *s;
size_t n, siz;
@@ -707,7 +698,7 @@ stty(void)
memcpy(cmd, stty_args, n);
q = cmd + n;
siz = sizeof(cmd) - n;
- for (p = opt_cmd; p && (s = *p); ++p) {
+ for (p = args; p && (s = *p); ++p) {
if ((n = strlen(s)) > siz-1)
die("stty parameter length too long\n");
*q++ = ' ';
@@ -721,26 +712,26 @@ stty(void)
}
void
-ttynew(void)
+ttynew(char *line, char *out, char **args)
{
int m, s;
struct winsize w = {term.row, term.col, 0, 0};
- if (opt_io) {
+ if (out) {
term.mode |= MODE_PRINT;
- iofd = (!strcmp(opt_io, "-")) ?
- 1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
+ iofd = (!strcmp(out, "-")) ?
+ 1 : open(out, O_WRONLY | O_CREAT, 0666);
if (iofd < 0) {
fprintf(stderr, "Error opening %s:%s\n",
- opt_io, strerror(errno));
+ out, strerror(errno));
}
}
- if (opt_line) {
- if ((cmdfd = open(opt_line, O_RDWR)) < 0)
+ if (line) {
+ if ((cmdfd = open(line, O_RDWR)) < 0)
die("open line failed: %s\n", strerror(errno));
dup2(cmdfd, 0);
- stty();
+ stty(args);
return;
}
@@ -762,7 +753,7 @@ ttynew(void)
die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
close(s);
close(m);
- execsh();
+ execsh(args);
break;
default:
close(s);
@@ -1942,8 +1933,7 @@ void
tprinter(char *s, size_t len)
{
if (iofd != -1 && xwrite(iofd, s, len) < 0) {
- fprintf(stderr, "Error writing in %s:%s\n",
- opt_io, strerror(errno));
+ perror("Error writing to output file");
close(iofd);
iofd = -1;
}
@@ -2532,7 +2522,7 @@ tresize(int col, int row)
void
resettitle(void)
{
- xsettitle(opt_title ? opt_title : "st");
+ xsettitle(NULL);
}
void
DIR diff --git a/st.h b/st.h
@@ -9,6 +9,7 @@
#define LEN(a) (sizeof(a) / sizeof(a)[0])
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
+#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || \
(a).bg != (b).bg)
@@ -194,7 +195,7 @@ void tnew(int, int);
void tresize(int, int);
void tsetdirt(int, int);
void tsetdirtattr(int);
-void ttynew(void);
+void ttynew(char *, char *, char **);
size_t ttyread(void);
void ttyresize(int, int);
void ttysend(char *, size_t);
@@ -221,14 +222,6 @@ extern Term term;
extern Selection sel;
extern int cmdfd;
extern pid_t pid;
-extern char **opt_cmd;
-extern char *opt_class;
-extern char *opt_embed;
-extern char *opt_font;
-extern char *opt_io;
-extern char *opt_line;
-extern char *opt_name;
-extern char *opt_title;
extern int oldbutton;
/* config.h globals */
DIR diff --git a/x.c b/x.c
@@ -179,6 +179,15 @@ static char *usedfont = NULL;
static double usedfontsize = 0;
static double defaultfontsize = 0;
+static char *opt_class = NULL;
+static char **opt_cmd = NULL;
+static char *opt_embed = NULL;
+static char *opt_font = NULL;
+static char *opt_io = NULL;
+static char *opt_line = NULL;
+static char *opt_name = NULL;
+static char *opt_title = NULL;
+
void
zoom(const Arg *arg)
{
@@ -1473,6 +1482,7 @@ void
xsettitle(char *p)
{
XTextProperty prop;
+ DEFAULT(p, "st");
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop);
@@ -1757,7 +1767,7 @@ run(void)
} while (ev.type != MapNotify);
cresize(w, h);
- ttynew();
+ ttynew(opt_line, opt_io, opt_cmd);
ttyresize(win.tw, win.th);
clock_gettime(CLOCK_MONOTONIC, &last);