X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Fcaptoinfo.c;h=f2575f8ac2ddff9e2314296721c4d24d7037ef33;hp=a0da44dea98938ed79abf6b3396810c595b860f6;hb=b9cd971c38eeeb2394d3da08edfd3c5dfc71694e;hpb=96d6b16de0d487e5d3aed0302a179dbce11b5d96

diff --git a/ncurses/tinfo/captoinfo.c b/ncurses/tinfo/captoinfo.c
index a0da44de..f2575f8a 100644
--- a/ncurses/tinfo/captoinfo.c
+++ b/ncurses/tinfo/captoinfo.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2011 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            *
@@ -93,7 +93,7 @@
 #include <ctype.h>
 #include <tic.h>
 
-MODULE_ID("$Id: captoinfo.c,v 1.58 2010/12/04 20:08:19 tom Exp $")
+MODULE_ID("$Id: captoinfo.c,v 1.69 2011/07/30 21:33:42 tom Exp $")
 
 #define MAX_PUSHED	16	/* max # args we can push onto the stack */
 
@@ -240,6 +240,12 @@ getparm(int parm, int n)
 	else if (parm == 2)
 	    parm = 1;
     }
+
+    while (n--) {
+	dp = save_string(dp, "%p");
+	dp = save_char(dp, '0' + parm);
+    }
+
     if (onstack == parm) {
 	if (n > 1) {
 	    _nc_warning("string may not be optimal");
@@ -255,11 +261,6 @@ getparm(int parm, int n)
 
     onstack = parm;
 
-    while (n--) {
-	dp = save_string(dp, "%p");
-	dp = save_char(dp, '0' + parm);
-    }
-
     if (seenn && parm < 3) {
 	dp = save_string(dp, "%{96}%^");
     }
@@ -469,73 +470,9 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
 		break;
 	    }
 	    break;
-#ifdef REVISIBILIZE
-	case '\\':
-	    dp = save_char(dp, *s++);
-	    dp = save_char(dp, *s++);
-	    break;
-	case '\n':
-	    dp = save_string(dp, "\\n");
-	    s++;
-	    break;
-	case '\t':
-	    dp = save_string(dp, "\\t");
-	    s++;
-	    break;
-	case '\r':
-	    dp = save_string(dp, "\\r");
-	    s++;
-	    break;
-	case '\200':
-	    dp = save_string(dp, "\\0");
-	    s++;
-	    break;
-	case '\f':
-	    dp = save_string(dp, "\\f");
-	    s++;
-	    break;
-	case '\b':
-	    dp = save_string(dp, "\\b");
-	    s++;
-	    break;
-	case ' ':
-	    dp = save_string(dp, "\\s");
-	    s++;
-	    break;
-	case '^':
-	    dp = save_string(dp, "\\^");
-	    s++;
-	    break;
-	case ':':
-	    dp = save_string(dp, "\\:");
-	    s++;
-	    break;
-	case ',':
-	    dp = save_string(dp, "\\,");
-	    s++;
-	    break;
-	default:
-	    if (*s == '\033') {
-		dp = save_string(dp, "\\E");
-		s++;
-	    } else if (*s > 0 && *s < 32) {
-		dp = save_char(dp, '^');
-		dp = save_char(dp, *s + '@');
-		s++;
-	    } else if (*s <= 0 || *s >= 127) {
-		dp = save_char(dp, '\\');
-		dp = save_char(dp, ((*s & 0300) >> 6) + '0');
-		dp = save_char(dp, ((*s & 0070) >> 3) + '0');
-		dp = save_char(dp, (*s & 0007) + '0');
-		s++;
-	    } else
-		dp = save_char(dp, *s++);
-	    break;
-#else
 	default:
 	    dp = save_char(dp, *s++);
 	    break;
-#endif
 	}
     }
 
@@ -646,13 +583,15 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
     int in0, in1, in2;
     char ch1 = 0, ch2 = 0;
     char *bufptr = init_string();
+    char octal[4];
     int len;
     bool syntax_error = FALSE;
 
     /* we may have to move some trailing mandatory padding up front */
     padding = str + strlen(str) - 1;
-    if (padding > str && *padding == '>' && *--padding == '/') {
-	--padding;
+    if (padding > str && *padding == '>') {
+	if (*--padding == '/')
+	    --padding;
 	while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*')
 	    padding--;
 	if (padding > str && *padding == '<' && *--padding == '$')
@@ -663,7 +602,7 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	    bufptr = save_char(bufptr, *padding++);
     }
 
-    for (; *str && str != trimmed; str++) {
+    for (; *str && ((trimmed == 0) || (str < trimmed)); str++) {
 	int c1, c2;
 	char *cp = 0;
 
@@ -685,8 +624,71 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	    } else if (str[1] == ',') {
 		bufptr = save_char(bufptr, *++str);
 	    } else {
+		int xx1, xx2;
+
 		bufptr = save_char(bufptr, *str++);
-		bufptr = save_char(bufptr, *str);
+		xx1 = *str;
+		if (_nc_strict_bsd) {
+		    if (isdigit(UChar(xx1))) {
+			int pad = 0;
+
+			if (!isdigit(UChar(str[1])))
+			    pad = 2;
+			else if (str[1] && !isdigit(UChar(str[2])))
+			    pad = 1;
+
+			/*
+			 * Test for "\0", "\00" or "\000" and transform those
+			 * into "\200".
+			 */
+			if (xx1 == '0'
+			    && ((pad == 2) || (str[1] == '0'))
+			    && ((pad >= 1) || (str[2] == '0'))) {
+			    xx2 = '2';
+			} else {
+			    xx2 = '0';
+			    pad = 0;	/* FIXME - optionally pad to 3 digits */
+			}
+			while (pad-- > 0) {
+			    bufptr = save_char(bufptr, xx2);
+			    xx2 = '0';
+			}
+		    } else if (strchr("E\\nrtbf", xx1) == 0) {
+			switch (xx1) {
+			case 'e':
+			    xx1 = 'E';
+			    break;
+			case 'l':
+			    xx1 = 'n';
+			    break;
+			case 's':
+			    bufptr = save_char(bufptr, '0');
+			    bufptr = save_char(bufptr, '4');
+			    xx1 = '0';
+			    break;
+			case ':':
+			    /*
+			     * Note: termcap documentation claims that ":"
+			     * must be escaped as "\072", however the
+			     * documentation is incorrect - read the code.
+			     * The replacement does not work reliably,
+			     * so the advice is not helpful.
+			     */
+			    bufptr = save_char(bufptr, '0');
+			    bufptr = save_char(bufptr, '7');
+			    xx1 = '2';
+			    break;
+			default:
+			    /* should not happen, but handle this anyway */
+			    sprintf(octal, "%03o", UChar(xx1));
+			    bufptr = save_char(bufptr, octal[0]);
+			    bufptr = save_char(bufptr, octal[1]);
+			    xx1 = octal[2];
+			    break;
+			}
+		    }
+		}
+		bufptr = save_char(bufptr, xx1);
 	    }
 	} else if (str[0] == '$' && str[1] == '<') {	/* discard padding */
 	    str += 2;
@@ -720,13 +722,13 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	    bufptr = save_tc_inequality(bufptr, c1, c2);
 	} else if (sscanf(str, "%%?%%{%d}%%>%%t%%'%c'%%+%%;", &c1, &ch2) == 2) {
 	    str = strchr(str, ';');
-	    bufptr = save_tc_inequality(bufptr, c1, c2);
+	    bufptr = save_tc_inequality(bufptr, c1, ch2);
 	} else if (sscanf(str, "%%?%%'%c'%%>%%t%%{%d}%%+%%;", &ch1, &c2) == 2) {
 	    str = strchr(str, ';');
-	    bufptr = save_tc_inequality(bufptr, c1, c2);
+	    bufptr = save_tc_inequality(bufptr, ch1, c2);
 	} else if (sscanf(str, "%%?%%'%c'%%>%%t%%'%c'%%+%%;", &ch1, &ch2) == 2) {
 	    str = strchr(str, ';');
-	    bufptr = save_tc_inequality(bufptr, c1, c2);
+	    bufptr = save_tc_inequality(bufptr, ch1, ch2);
 	} else if ((len = bcd_expression(str)) != 0) {
 	    str += len;
 	    bufptr = save_string(bufptr, "%B");
@@ -772,8 +774,25 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	    case '8':
 	    case '9':
 		bufptr = save_char(bufptr, '%');
-		while (isdigit(UChar(*str)))
-		    bufptr = save_char(bufptr, *str++);
+		ch1 = 0;
+		ch2 = 0;
+		while (isdigit(UChar(*str))) {
+		    ch2 = ch1;
+		    ch1 = *str++;
+		    if (_nc_strict_bsd) {
+			if (ch1 > '3')
+			    return 0;
+		    } else {
+			bufptr = save_char(bufptr, ch1);
+		    }
+		}
+		if (_nc_strict_bsd) {
+		    if (ch2 != 0 && ch2 != '0')
+			return 0;
+		    if (ch1 < '2')
+			ch1 = 'd';
+		    bufptr = save_char(bufptr, ch1);
+		}
 		if (strchr("doxX.", *str)) {
 		    if (*str != 'd')	/* termcap doesn't have octal, hex */
 			return 0;
@@ -794,6 +813,8 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 		 * termcap notation.
 		 */
 	    case 's':
+		if (_nc_strict_bsd)
+		    return 0;
 		bufptr = save_string(bufptr, "%s");
 		break;