X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/74cff67bd7746c2636ea7bc78a0b8af2f8c44838..21367a040f056f6a207fafa066bd1cb2d9cae586:/st.c
diff --git a/st.c b/st.c
index 2612c95..8e6ccb5 100644
--- a/st.c
+++ b/st.c
@@ -38,14 +38,10 @@
/* macros */
#define IS_SET(flag) ((term.mode & (flag)) != 0)
-#define NUMMAXLEN(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
-
-/* constants */
-#define ISO14755CMD "dmenu -w \"$WINDOWID\" -p codepoint: </dev/null"
+#define ISDELIM(u) (u && wcschr(worddelimiters, u))
enum term_mode {
MODE_WRAP = 1 << 0,
@@ -214,7 +210,6 @@ 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 *, Rune);
static size_t utf8validate(Rune *, size_t);
static char *base64dec(const char *);
@@ -256,10 +251,10 @@ xwrite(int fd, const char *s, size_t len)
void *
xmalloc(size_t len)
{
- void *p = malloc(len);
+ void *p;
- if (!p)
- die("Out of memory\n");
+ if (!(p = malloc(len)))
+ die("malloc: %s\n", strerror(errno));
return p;
}
@@ -268,7 +263,7 @@ void *
xrealloc(void *p, size_t len)
{
if ((p = realloc(p, len)) == NULL)
- die("Out of memory\n");
+ die("realloc: %s\n", strerror(errno));
return p;
}
@@ -277,7 +272,7 @@ char *
xstrdup(char *s)
{
if ((s = strdup(s)) == NULL)
- die("Out of memory\n");
+ die("strdup: %s\n", strerror(errno));
return s;
}
@@ -341,23 +336,6 @@ utf8encodebyte(Rune u, size_t i)
return utfbyte[i] | (u & ~utfmask[i]);
}
-char *
-utf8strchr(char *s, Rune u)
-{
- Rune r;
- size_t i, j, len;
-
- len = strlen(s);
- for (i = 0, j = 0; i < len; i += j) {
- if (!(j = utf8decode(&s[i], &r, len - i)))
- break;
- if (r == u)
- return &(s[i]);
- }
-
- return NULL;
-}
-
size_t
utf8validate(Rune *u, size_t i)
{
@@ -687,7 +665,7 @@ execsh(char *cmd, char **args)
errno = 0;
if ((pw = getpwuid(getuid())) == NULL) {
if (errno)
- die("getpwuid:%s\n", strerror(errno));
+ die("getpwuid: %s\n", strerror(errno));
else
die("who are you?\n");
}
@@ -730,13 +708,15 @@ sigchld(int a)
pid_t p;
if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
- die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
+ die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
if (pid != p)
return;
- if (!WIFEXITED(stat) || WEXITSTATUS(stat))
- die("child finished with error '%d'\n", stat);
+ if (WIFEXITED(stat) && WEXITSTATUS(stat))
+ die("child exited with status %d\n", WEXITSTATUS(stat));
+ else if (WIFSIGNALED(stat))
+ die("child terminated due to signal %d\n", WTERMSIG(stat));
exit(0);
}
@@ -781,7 +761,8 @@ ttynew(char *line, char *cmd, char *out, char **args)
if (line) {
if ((cmdfd = open(line, O_RDWR)) < 0)
- die("open line failed: %s\n", strerror(errno));
+ die("open line '%s' failed: %s\n",
+ line, strerror(errno));
dup2(cmdfd, 0);
stty(args);
return cmdfd;
@@ -793,7 +774,7 @@ ttynew(char *line, char *cmd, char *out, char **args)
switch (pid = fork()) {
case -1:
- die("fork failed\n");
+ die("fork failed: %s\n", strerror(errno));
break;
case 0:
close(iofd);
@@ -805,9 +786,17 @@ ttynew(char *line, char *cmd, char *out, char **args)
die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
close(s);
close(m);
+#ifdef __OpenBSD__
+ if (pledge("stdio getpw proc exec", NULL) == -1)
+ die("pledge\n");
+#endif
execsh(cmd, args);
break;
default:
+#ifdef __OpenBSD__
+ if (pledge("stdio rpath tty proc", NULL) == -1)
+ die("pledge\n");
+#endif
close(s);
cmdfd = m;
signal(SIGCHLD, sigchld);
@@ -826,7 +815,7 @@ ttyread(void)
/* append read bytes to unprocessed bytes */
if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
- die("Couldn't read from shell: %s\n", strerror(errno));
+ die("couldn't read from shell: %s\n", strerror(errno));
buflen += ret;
written = twrite(buf, buflen, 0);
@@ -1447,7 +1436,8 @@ tsetattr(int *attr, int l)
} else {
fprintf(stderr,
"erresc(default): gfx attr %d unknown\n",
- attr[i]), csidump();
+ attr[i]);
+ csidump();
}
break;
}
@@ -1567,6 +1557,7 @@ tsetmode(int priv, int set, int *args, int narg)
case 1015: /* urxvt mangled mouse mode; incompatible
and can be mistaken for other control
codes. */
+ break;
default:
fprintf(stderr,
"erresc: unknown private set/reset mode %d\n",
@@ -1838,7 +1829,7 @@ csireset(void)
void
strhandle(void)
{
- char *p = NULL;
+ char *p = NULL, *dec;
int j, narg, par;
term.esc &= ~(ESC_STR_END|ESC_STR);
@@ -1856,8 +1847,6 @@ strhandle(void)
return;
case 52:
if (narg > 2) {
- char *dec;
-
dec = base64dec(strescseq.args[2]);
if (dec) {
xsetsel(dec);
@@ -1875,7 +1864,10 @@ strhandle(void)
case 104: /* color reset, here p = NULL */
j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
if (xsetcolorname(j, p)) {
- fprintf(stderr, "erresc: invalid color %s\n", p);
+ if (par == 104 && narg <= 1)
+ return; /* color reset without parameter */
+ fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
+ j, p ? p : "(null)");
} else {
/*
* TODO if defaultbg color is changed, borders
@@ -1972,28 +1964,6 @@ tprinter(char *s, size_t len)
}
}
-void
-iso14755(const Arg *arg)
-{
- FILE *p;
- char *us, *e, codepoint[9], uc[UTF_SIZ];
- unsigned long utf32;
-
- if (!(p = popen(ISO14755CMD, "r")))
- return;
-
- us = fgets(codepoint, sizeof(codepoint), p);
- pclose(p);
-
- if (!us || *us == '\0' || *us == '-' || strlen(us) > 7)
- return;
- if ((utf32 = strtoul(us, &e, 16)) == ULONG_MAX ||
- (*e != '\n' && *e != '\0'))
- return;
-
- ttywrite(uc, utf8encode(utf32, uc), 1);
-}
-
void
toggleprinter(const Arg *arg)
{
@@ -2278,7 +2248,7 @@ eschandle(uchar ascii)
case 'Z': /* DECID -- Identify Terminal */
ttywrite(vtiden, strlen(vtiden), 0);
break;
- case 'c': /* RIS -- Reset to inital state */
+ case 'c': /* RIS -- Reset to initial state */
treset();
resettitle();
xloadcols();
@@ -2349,7 +2319,6 @@ tputc(Rune u)
goto check_control_code;
}
-
if (IS_SET(MODE_SIXEL)) {
/* TODO: implement sixel mode */
return;
@@ -2608,6 +2577,7 @@ draw(void)
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
term.ocx = cx, term.ocy = term.c.y;
xfinishdraw();
+ xximspot(term.ocx, term.ocy);
}
void