X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/274a5b41f42a133cd65225e09d0403e672fd7106..4bdf7c460fa57386f112807da1dce82f1b6773d7:/unicode.c

diff --git a/unicode.c b/unicode.c
index dc78898b..6938d299 100644
--- a/unicode.c
+++ b/unicode.c
@@ -40,12 +40,18 @@ void init_ucs_tables(void)
     int i, j;
     int used_dtf = 0;
     char tbuf[256];
+    int old_codepage = line_codepage;
     for (i = 0; i < 256; i++)
 	tbuf[i] = i;
 
     /* Decide on the Line and Font codepages */
     line_codepage = decode_codepage(cfg.line_codepage);
 
+    if (font_codepage <= 0) { 
+	font_codepage=0; 
+	dbcs_screenfont=0; 
+    }
+
     if (cfg.vtmode == VT_OEMONLY) {
 	font_codepage = 437;
 	dbcs_screenfont = 0;
@@ -53,10 +59,9 @@ void init_ucs_tables(void)
 	    line_codepage = GetACP();
     } else if (line_codepage <= 0)
 	line_codepage = font_codepage;
-    utf = (line_codepage == CP_UTF8);
 
     /* Collect screen font ucs table */
-    if (dbcs_screenfont) {
+    if (dbcs_screenfont || font_codepage == 0) {
 	get_unitab(font_codepage, unitab_font, 2);
 	for (i = 128; i < 256; i++)
 	    unitab_font[i] = (WCHAR) (ATTR_ACP + i);
@@ -74,9 +79,15 @@ void init_ucs_tables(void)
     /* Collect OEMCP ucs table */
     get_unitab(CP_OEMCP, unitab_oemcp, 1);
 
+    /* Collect CP437 ucs table for SCO acs */
+    if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_XWINDOWS)
+	memcpy(unitab_scoacs, unitab_oemcp, sizeof(unitab_scoacs));
+    else
+	get_unitab(437, unitab_scoacs, 1);
+
     /* Collect line set ucs table */
     if (line_codepage == font_codepage &&
-	(dbcs_screenfont || cfg.vtmode == VT_POORMAN)) {
+	(dbcs_screenfont || cfg.vtmode == VT_POORMAN || font_codepage==0)) {
 
 	/* For DBCS and POOR fonts force direct to font */
 	used_dtf = 1;
@@ -143,7 +154,11 @@ void init_ucs_tables(void)
 	    unitab_ctrl[i] = 0xFF;
 
     /* Generate line->screen direct conversion links. */
+    if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_XWINDOWS)
+	link_font(unitab_scoacs, unitab_oemcp, ATTR_OEMCP);
+
     link_font(unitab_line, unitab_font, ATTR_ACP);
+    link_font(unitab_scoacs, unitab_font, ATTR_ACP);
     link_font(unitab_xterm, unitab_font, ATTR_ACP);
 
     if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_XWINDOWS) {
@@ -153,6 +168,8 @@ void init_ucs_tables(void)
 
     /* Last chance, if !unicode then try poorman links. */
     if (cfg.vtmode != VT_UNICODE) {
+	static char poorman_scoacs[] = 
+	    "CueaaaaceeeiiiAAE**ooouuyOUc$YPsaiounNao?++**!<>###||||++||++++++--|-+||++--|-+----++++++++##||#aBTPEsyt******EN=+><++-=... n2* ";
 	static char poorman_latin1[] =
 	    " !cL.Y|S\"Ca<--R~o+23'u|.,1o>///?AAAAAAACEEEEIIIIDNOOOOOxOUUUUYPBaaaaaaaceeeeiiiionooooo/ouuuuypy";
 	static char poorman_vt100[] = "*#****o~**+++++-----++++|****L.";
@@ -167,6 +184,10 @@ void init_ucs_tables(void)
 	    if (!DIRECT_FONT(unitab_xterm[i]))
 		unitab_xterm[i] =
 		    (WCHAR) (ATTR_ACP + poorman_vt100[i - 96]);
+	for(i=128;i<256;i++) 
+	    if (!DIRECT_FONT(unitab_scoacs[i]))
+		unitab_scoacs[i] = 
+		    (WCHAR) (ATTR_ACP + poorman_scoacs[i - 128]);
     }
 }
 
@@ -212,7 +233,7 @@ void luni_send(wchar_t * widebuf, int len)
 {
     static char *linebuffer = 0;
     static int linesize = 0;
-    int ratio = (utf) ? 3 : 1;
+    int ratio = (in_utf)?3:1;
     int i;
     char *p;
 
@@ -222,7 +243,7 @@ void luni_send(wchar_t * widebuf, int len)
 	linesize = len * ratio * 2;
     }
 
-    if (utf) {
+    if (in_utf) {
 	/* UTF is a simple algorithm */
 	for (p = linebuffer, i = 0; i < len; i++) {
 	    wchar_t ch = widebuf[i];
@@ -658,9 +679,10 @@ int decode_codepage(char *cp_name)
 
     if (cp_name && *cp_name) {
 	d = cp_name;
-	if (strnicmp(d, "cp", 2) == 0)
+	if (tolower(d[0]) == 'c' && tolower(d[1]) == 'p')
 	    d += 2;
-	if (strnicmp(d, "ibm", 3) == 0)
+	if (tolower(d[0]) == 'i' && tolower(d[1]) == 'b'
+	    && tolower(d[1]) == 'm')
 	    d += 3;
 	for (s = d; *s >= '0' && *s <= '9'; s++);
 	if (*s == 0 && s != d)