ncurses 6.0 - patch 20171118
[ncurses.git] / ncurses / trace / lib_tracebits.c
index de2394c39225353c2f43fb91c7fb43a65922eb2e..f880b674403164a3ac373c0597444da4f822c9f8 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2015 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
  ****************************************************************************/
 
 #include <curses.priv.h>
-#include <term.h>              /* cur_term */
 
-MODULE_ID("$Id: lib_tracebits.c,v 1.15 2007/06/30 16:14:20 tom Exp $")
-
-#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
-#define _POSIX_SOURCE
-#endif
+MODULE_ID("$Id: lib_tracebits.c,v 1.26 2015/04/19 14:58:39 tom Exp $")
 
 #if HAVE_SYS_TERMIO_H
 #include <sys/termio.h>                /* needed for ISC */
@@ -78,25 +73,27 @@ MODULE_ID("$Id: lib_tracebits.c,v 1.15 2007/06/30 16:14:20 tom Exp $")
 
 typedef struct {
     unsigned int val;
-    const char *name;
+    const char name[8];
 } BITNAMES;
 
+#define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size)
+
 static void
 lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int val)
 {
     const BITNAMES *sp;
 
-    (void) strcat(buf, label);
-    (void) strcat(buf, ": {");
-    for (sp = table; sp->name; sp++)
+    _nc_STRCAT(buf, label, TRACE_BUF_SIZE(0));
+    _nc_STRCAT(buf, ": {", TRACE_BUF_SIZE(0));
+    for (sp = table; sp->name[0]; sp++)
        if (sp->val != 0
            && (val & sp->val) == sp->val) {
-           (void) strcat(buf, sp->name);
-           (void) strcat(buf, ", ");
+           _nc_STRCAT(buf, sp->name, TRACE_BUF_SIZE(0));
+           _nc_STRCAT(buf, ", ", TRACE_BUF_SIZE(0));
        }
     if (buf[strlen(buf) - 2] == ',')
        buf[strlen(buf) - 2] = '\0';
-    (void) strcat(buf, "} ");
+    _nc_STRCAT(buf, "} ", TRACE_BUF_SIZE(0));
 }
 
 NCURSES_EXPORT(char *)
@@ -106,56 +103,59 @@ _nc_trace_ttymode(TTY * tty)
     char *buf;
 
 #ifdef TERMIOS
+#define DATA(name)        { name, { #name } }
+#define DATA2(name,name2) { name, { #name2 } }
+#define DATAX()           { 0,    { "" } }
     static const BITNAMES iflags[] =
     {
-       {BRKINT, "BRKINT"},
-       {IGNBRK, "IGNBRK"},
-       {IGNPAR, "IGNPAR"},
-       {PARMRK, "PARMRK"},
-       {INPCK, "INPCK"},
-       {ISTRIP, "ISTRIP"},
-       {INLCR, "INLCR"},
-       {IGNCR, "IGNC"},
-       {ICRNL, "ICRNL"},
-       {IXON, "IXON"},
-       {IXOFF, "IXOFF"},
-       {0, NULL}
+       DATA(BRKINT),
+       DATA(IGNBRK),
+       DATA(IGNPAR),
+       DATA(PARMRK),
+       DATA(INPCK),
+       DATA(ISTRIP),
+       DATA(INLCR),
+       DATA(IGNCR),
+       DATA(ICRNL),
+       DATA(IXON),
+       DATA(IXOFF),
+       DATAX()
 #define ALLIN  (BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
     }, oflags[] =
     {
-       {OPOST, "OPOST"},
-       {OFLAGS_TABS, "XTABS"},
-       {ONLCR, "ONLCR"},
-       {OCRNL, "OCRNL"},
-       {ONOCR, "ONOCR"},
-       {ONLRET, "ONLRET"},
-       {0, NULL}
+       DATA(OPOST),
+       DATA2(OFLAGS_TABS, XTABS),
+       DATA(ONLCR),
+       DATA(OCRNL),
+       DATA(ONOCR),
+       DATA(ONLRET),
+       DATAX()
 #define ALLOUT (OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET)
     }, cflags[] =
     {
-       {CLOCAL, "CLOCAL"},
-       {CREAD, "CREAD"},
-       {CSTOPB, "CSTOPB"},
+       DATA(CLOCAL),
+       DATA(CREAD),
+       DATA(CSTOPB),
 #if !defined(CS5) || !defined(CS8)
-       {CSIZE, "CSIZE"},
+       DATA(CSIZE),
 #endif
-       {HUPCL, "HUPCL"},
-       {PARENB, "PARENB"},
-       {PARODD | PARENB, "PARODD"},    /* concession to readability */
-       {0, NULL}
+       DATA(HUPCL),
+       DATA(PARENB),
+       DATA2(PARODD | PARENB, PARODD),
+       DATAX()
 #define ALLCTRL        (CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
     }, lflags[] =
     {
-       {ECHO, "ECHO"},
-       {ECHOE | ECHO, "ECHOE"},        /* concession to readability */
-       {ECHOK | ECHO, "ECHOK"},        /* concession to readability */
-       {ECHONL, "ECHONL"},
-       {ICANON, "ICANON"},
-       {ISIG, "ISIG"},
-       {NOFLSH, "NOFLSH"},
-       {TOSTOP, "TOSTOP"},
-       {IEXTEN, "IEXTEN"},
-       {0, NULL}
+       DATA(ECHO),
+       DATA2(ECHOE | ECHO, ECHOE),
+       DATA2(ECHOK | ECHO, ECHOK),
+       DATA(ECHONL),
+       DATA(ICANON),
+       DATA(ISIG),
+       DATA(NOFLSH),
+       DATA(TOSTOP),
+       DATA(IEXTEN),
+       DATAX()
 #define ALLLOCAL       (ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN)
     };
 
@@ -165,58 +165,52 @@ _nc_trace_ttymode(TTY * tty)
                        8 + sizeof(cflags) +
                        8 + sizeof(lflags) +
                        8);
+    if (buf != 0) {
 
-    if (tty->c_iflag & ALLIN)
-       lookup_bits(buf, iflags, "iflags", tty->c_iflag);
+       if (tty->c_iflag & ALLIN)
+           lookup_bits(buf, iflags, "iflags", tty->c_iflag);
 
-    if (tty->c_oflag & ALLOUT)
-       lookup_bits(buf, oflags, "oflags", tty->c_oflag);
+       if (tty->c_oflag & ALLOUT)
+           lookup_bits(buf, oflags, "oflags", tty->c_oflag);
 
-    if (tty->c_cflag & ALLCTRL)
-       lookup_bits(buf, cflags, "cflags", tty->c_cflag);
+       if (tty->c_cflag & ALLCTRL)
+           lookup_bits(buf, cflags, "cflags", tty->c_cflag);
 
 #if defined(CS5) && defined(CS8)
-    {
-       static struct {
-           const char *name;
-           int value;
-       } csizes[] = {
-           {
-               "CS5 ", CS5
-           },
+       {
+           static const struct {
+               int value;
+               const char name[5];
+           } csizes[] = {
+#define CS_DATA(name) { name, { #name " " } }
+               CS_DATA(CS5),
 #ifdef CS6
-           {
-               "CS6 ", CS6
-           },
+                   CS_DATA(CS6),
 #endif
 #ifdef CS7
-           {
-               "CS7 ", CS7
-           },
+                   CS_DATA(CS7),
 #endif
-           {
-               "CS8 ", CS8
-           },
-       };
-       const char *result = "CSIZE? ";
-       int value = (tty->c_cflag & CSIZE);
-       unsigned n;
+                   CS_DATA(CS8),
+           };
+           const char *result = "CSIZE? ";
+           int value = (int) (tty->c_cflag & CSIZE);
+           unsigned n;
 
-       if (value != 0) {
-           for (n = 0; n < SIZEOF(csizes); n++) {
-               if (csizes[n].value == value) {
-                   result = csizes[n].name;
-                   break;
+           if (value != 0) {
+               for (n = 0; n < SIZEOF(csizes); n++) {
+                   if (csizes[n].value == value) {
+                       result = csizes[n].name;
+                       break;
+                   }
                }
            }
+           _nc_STRCAT(buf, result, TRACE_BUF_SIZE(0));
        }
-       strcat(buf, result);
-    }
 #endif
 
-    if (tty->c_lflag & ALLLOCAL)
-       lookup_bits(buf, lflags, "lflags", tty->c_lflag);
-
+       if (tty->c_lflag & ALLLOCAL)
+           lookup_bits(buf, lflags, "lflags", tty->c_lflag);
+    }
 #else
     /* reference: ttcompat(4M) on SunOS 4.1 */
 #ifndef EVENP
@@ -237,25 +231,26 @@ _nc_trace_ttymode(TTY * tty)
 
     static const BITNAMES cflags[] =
     {
-       {CBREAK, "CBREAK"},
-       {CRMOD, "CRMOD"},
-       {ECHO, "ECHO"},
-       {EVENP, "EVENP"},
-       {LCASE, "LCASE"},
-       {LLITOUT, "LLITOUT"},
-       {ODDP, "ODDP"},
-       {RAW, "RAW"},
-       {TANDEM, "TANDEM"},
-       {XTABS, "XTABS"},
-       {0, NULL}
+       DATA(CBREAK),
+       DATA(CRMOD),
+       DATA(ECHO),
+       DATA(EVENP),
+       DATA(LCASE),
+       DATA(LLITOUT),
+       DATA(ODDP),
+       DATA(RAW),
+       DATA(TANDEM),
+       DATA(XTABS),
+       DATAX()
 #define ALLCTRL        (CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
     };
 
     buf = _nc_trace_buf(0,
                        8 + sizeof(cflags));
-
-    if (tty->sg_flags & ALLCTRL) {
-       lookup_bits(buf, cflags, "cflags", tty->sg_flags);
+    if (buf != 0) {
+       if (tty->sg_flags & ALLCTRL) {
+           lookup_bits(buf, cflags, "cflags", tty->sg_flags);
+       }
     }
 #endif
     return (buf);
@@ -267,5 +262,5 @@ _nc_tracebits(void)
     return _nc_trace_ttymode(&(cur_term->Nttyb));
 }
 #else
-empty_module(_nc_tracebits)
+EMPTY_MODULE(_nc_empty_lib_tracebits)
 #endif /* TRACE */