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-rw-r--r--coreutils/stty.c39
1 files changed, 22 insertions, 17 deletions
diff --git a/coreutils/stty.c b/coreutils/stty.c
index 15cb052..b13f1fb 100644
--- a/coreutils/stty.c
+++ b/coreutils/stty.c
@@ -375,17 +375,22 @@ enum {
};
/* The width of the screen, for output wrapping */
-static unsigned max_col = 80; /* default */
-/* Current position, to know when to wrap */
-static unsigned current_col;
+unsigned max_col = 80; /* default */
+
+struct globals {
+ /* Current position, to know when to wrap */
+ unsigned current_col;
+ char buf[10];
+};
+#define G (*(struct globals*)&bb_common_bufsiz1)
+
static const char *device_name = bb_msg_standard_input;
/* Return a string that is the printable representation of character CH */
/* Adapted from 'cat' by Torbjorn Granlund */
static const char *visible(unsigned int ch)
{
- static char buf[10];
- char *bpout = buf;
+ char *bpout = G.buf;
if (ch == _POSIX_VDISABLE)
return "<undef>";
@@ -407,7 +412,7 @@ static const char *visible(unsigned int ch)
}
*bpout = '\0';
- return buf;
+ return G.buf;
}
static tcflag_t *mode_type_flag(unsigned type, const struct termios *mode)
@@ -466,20 +471,20 @@ static void wrapf(const char *message, ...)
somebody failed to adhere to this assumption just to be sure. */
if (!buflen || buflen >= sizeof(buf)) return;
- if (current_col > 0) {
- current_col++;
+ if (G.current_col > 0) {
+ G.current_col++;
if (buf[0] != '\n') {
- if (current_col + buflen >= max_col) {
+ if (G.current_col + buflen >= max_col) {
putchar('\n');
- current_col = 0;
+ G.current_col = 0;
} else
putchar(' ');
}
}
fputs(buf, stdout);
- current_col += buflen;
+ G.current_col += buflen;
if (buf[buflen-1] == '\n')
- current_col = 0;
+ G.current_col = 0;
}
static void set_window_size(const int rows, const int cols)
@@ -567,8 +572,8 @@ static int find_param(const char * const name)
"ospeed",
NULL
};
- int i = index_in_str_array(params, name);
- if (i < 0)
+ smalluint i = index_in_str_array(params, name) + 1;
+ if (i == 0)
return 0;
if (!(i == 4 || i == 5))
i |= 0x80;
@@ -669,14 +674,14 @@ static void do_display(const struct termios *mode, const int all)
if ((mode->c_lflag & ICANON) == 0)
#endif
wrapf("min = %d; time = %d;", mode->c_cc[VMIN], mode->c_cc[VTIME]);
- if (current_col) wrapf("\n");
+ if (G.current_col) wrapf("\n");
for (i = 0; i < NUM_mode_info; ++i) {
if (mode_info[i].flags & OMIT)
continue;
if (mode_info[i].type != prev_type) {
/* wrapf("\n"); */
- if (current_col) wrapf("\n");
+ if (G.current_col) wrapf("\n");
prev_type = mode_info[i].type;
}
@@ -692,7 +697,7 @@ static void do_display(const struct termios *mode, const int all)
wrapf("-%s", mode_info[i].name);
}
}
- if (current_col) wrapf("\n");
+ if (G.current_col) wrapf("\n");
}
static void sane_mode(struct termios *mode)