$NetBSD: patch-ae,v 1.2 1998/08/07 11:10:13 agc Exp $

--- print.c.orig	Sun Dec 22 00:40:58 1996
+++ print.c	Thu May 21 15:42:08 1998
@@ -64,6 +64,26 @@
 
 #define	IS_NOPRINT(p)	((p)->fts_number == NO_PRINT)
 
+/* Most of these are taken from <sys/stat.h> */
+typedef enum Colors {
+    C_DIR,     /* directory */
+    C_LNK,     /* symbolic link */
+    C_SOCK,    /* socket */
+    C_FIFO,    /* pipe */
+    C_EXEC,    /* executable */
+    C_BLK,     /* block special */
+    C_CHR,     /* character special */
+    C_SUID,    /* setuid executable */
+    C_SGID,    /* setgid executable */
+    C_WSDIR,   /* directory writeble to others, with sticky bit */
+    C_WDIR,    /* directory writeble to others, without sticky bit */
+    C_NUMCOLORS        /* just a place-holder */
+} Colors ;
+
+char *defcolors = "4x5x2x3x1x464301060203";
+
+static int colors[C_NUMCOLORS][2];
+
 void
 printscol(dp)
 	DISPLAY *dp;
@@ -124,10 +144,14 @@
 			printtime(sp->st_ctime);
 		else
 			printtime(sp->st_mtime);
+		if (f_color)
+			(void)colortype(sp->st_mode);
 		(void)printf("%s", p->fts_name);
 		if (f_type)
 			(void)printtype(sp->st_mode);
-		if (S_ISLNK(sp->st_mode))
+		if (f_color)
+			(void)printf("\033[m");
+	if (S_ISLNK(sp->st_mode))
 			printlink(p);
 		(void)putchar('\n');
 	}
@@ -190,10 +214,22 @@
 			    dp->s_block);
 			if ((base += numrows) >= num)
 				break;
-			while ((cnt = ((chcnt + TAB) & ~(TAB - 1))) <= endcol){
-				(void)putchar('\t');
-				chcnt = cnt;
-			}
+
+			/*
+			 * some terminals get confused if we mix tabs
+			 * with color sequences
+			 */
+			if (f_color)
+				while ((cnt = (chcnt + 1)) <= endcol) {
+					(void)putchar(' ');
+					chcnt = cnt;
+				}
+			else
+				while ((cnt = ((chcnt + TAB) & ~(TAB - 1)))
+				       <= endcol) {
+					(void)putchar('\t');
+					chcnt = cnt;
+				}
 			endcol += colwidth;
 		}
 		(void)putchar('\n');
@@ -219,9 +255,13 @@
 	if (f_size)
 		chcnt += printf("%*qd ",
 		    (int)sizefield, howmany(sp->st_blocks, blocksize));
+	if (f_color)
+		(void)colortype(sp->st_mode);
 	chcnt += printf("%s", p->fts_name);
 	if (f_type)
 		chcnt += printtype(sp->st_mode);
+	if (f_color)
+		printf("\033[m");
 	return (chcnt);
 }
 
@@ -281,6 +321,95 @@
 	return (0);
 }
 
+void
+printcolor(c)
+       Colors c;
+{
+	printf("\033[");
+	if (colors[c][0] != -1) {
+		printf("3%d", colors[c][0]);
+		if (colors[c][1] != -1)
+		    printf(";");
+	}
+	if (colors[c][1] != -1)
+	    printf("4%d", colors[c][1]);
+	printf("m");
+}
+
+colortype(mode)
+       mode_t mode;
+{
+	switch(mode & S_IFMT) {
+	      case S_IFDIR:
+		if (mode & S_IWOTH)
+		    if (mode & S_ISTXT)
+			printcolor(C_WSDIR);
+		    else
+			printcolor(C_WDIR);
+		else
+		    printcolor(C_DIR);
+		return(1);
+	      case S_IFLNK:
+		printcolor(C_LNK);
+		return(1);
+	      case S_IFSOCK:
+		printcolor(C_SOCK);
+		return(1);
+	      case S_IFIFO:
+		printcolor(C_FIFO);
+		return(1);
+	      case S_IFBLK:
+		printcolor(C_BLK);
+		return(1);
+	      case S_IFCHR:
+		printcolor(C_CHR);
+		return(1);
+	}
+	if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
+		if (mode & S_ISUID)
+		    printcolor(C_SUID);
+		else if (mode & S_ISGID)
+		    printcolor(C_SGID);
+		else
+		    printcolor(C_EXEC);
+		return(1);
+	}
+	return(0);
+}
+
+void
+parsecolors(cs)
+char *cs;
+{
+	int i, j, len;
+	char c[2];
+	if (cs == NULL)    cs = ""; /* LSCOLORS not set */
+	len = strlen(cs);
+	for (i = 0 ; i < C_NUMCOLORS ; i++) {
+		if (len <= 2*i) {
+			c[0] = defcolors[2*i];
+			c[1] = defcolors[2*i+1];
+		}
+		else {
+			c[0] = cs[2*i];
+			c[1] = cs[2*i+1];
+		}
+		for (j = 0 ; j < 2 ; j++) {
+			if ((c[j] < '0' || c[j] > '7') &&
+			    tolower(c[j]) != 'x') {
+				fprintf(stderr,
+					"error: invalid character '%c' in LSCOLORS env var\n",
+					c[j]);
+				c[j] = defcolors[2*i+j];
+			}
+			if (c[j] == 'x')
+			    colors[i][j] = -1;
+			else
+			    colors[i][j] = c[j]-'0';
+		}
+	}
+}
+ 
 static void
 printlink(p)
 	FTSENT *p;