From 04445b6bff02da758a87a48c19ee4963aba62f15 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Wed, 30 Sep 2020 16:03:29 -0400
Subject: util: Don't rely on bftw

And rename format_mode() to xstrmode() while I'm at it.
---
 eval.c   |  2 +-
 printf.c |  2 +-
 util.c   | 73 ++++++++++++++++++++++++++++++++--------------------------------
 util.h   |  2 +-
 4 files changed, 39 insertions(+), 40 deletions(-)

diff --git a/eval.c b/eval.c
index ca8c78f..551f069 100644
--- a/eval.c
+++ b/eval.c
@@ -600,7 +600,7 @@ bool eval_fls(const struct expr *expr, struct eval_state *state) {
 	uintmax_t ino = statbuf->ino;
 	uintmax_t blocks = ((uintmax_t)statbuf->blocks*BFS_STAT_BLKSIZE + 1023)/1024;
 	char mode[11];
-	format_mode(statbuf->mode, mode);
+	xstrmode(statbuf->mode, mode);
 	char acl = bfs_check_acl(ftwbuf) > 0 ? '+' : ' ';
 	uintmax_t nlink = statbuf->nlink;
 	if (fprintf(file, "%9ju %6ju %s%c %2ju ", ino, blocks, mode, acl, nlink) < 0) {
diff --git a/printf.c b/printf.c
index 124be22..c30868d 100644
--- a/printf.c
+++ b/printf.c
@@ -342,7 +342,7 @@ static int bfs_printf_M(FILE *file, const struct bfs_printf *directive, const st
 	}
 
 	char buf[11];
-	format_mode(statbuf->mode, buf);
+	xstrmode(statbuf->mode, buf);
 	return fprintf(file, directive->str, buf);
 }
 
diff --git a/util.c b/util.c
index 715396c..b66dd18 100644
--- a/util.c
+++ b/util.c
@@ -15,7 +15,6 @@
  ****************************************************************************/
 
 #include "util.h"
-#include "bftw.h"
 #include "dstring.h"
 #include <errno.h>
 #include <fcntl.h>
@@ -168,44 +167,44 @@ char *xregerror(int err, const regex_t *regex) {
 	return str;
 }
 
-void format_mode(mode_t mode, char str[11]) {
+/** Get the single character describing the given file type. */
+static char type_char(mode_t mode) {
+	switch (mode & S_IFMT) {
+	case S_IFREG:
+		return '-';
+	case S_IFBLK:
+		return 'b';
+	case S_IFCHR:
+		return 'c';
+	case S_IFDIR:
+		return 'd';
+	case S_IFLNK:
+		return 'l';
+	case S_IFIFO:
+		return 'p';
+	case S_IFSOCK:
+		return 's';
+#ifdef S_IFDOOR
+	case S_IFDOOR:
+		return 'D';
+#endif
+#ifdef S_IFPORT
+	case S_IFPORT:
+		return 'P';
+#endif
+#ifdef S_IFWHT
+	case S_IFWHT:
+		return 'w';
+#endif
+	}
+
+	return '?';
+}
+
+void xstrmode(mode_t mode, char str[11]) {
 	strcpy(str, "----------");
 
-	switch (bftw_mode_to_type(mode)) {
-	case BFTW_REG:
-		break;
-	case BFTW_BLK:
-		str[0] = 'b';
-		break;
-	case BFTW_CHR:
-		str[0] = 'c';
-		break;
-	case BFTW_DIR:
-		str[0] = 'd';
-		break;
-	case BFTW_DOOR:
-		str[0] = 'D';
-		break;
-	case BFTW_LNK:
-		str[0] = 'l';
-		break;
-	case BFTW_FIFO:
-		str[0] = 'p';
-		break;
-	case BFTW_PORT:
-		str[0] = 'P';
-		break;
-	case BFTW_SOCK:
-		str[0] = 's';
-		break;
-	case BFTW_WHT:
-		str[0] = 'w';
-		break;
-	case BFTW_UNKNOWN:
-	case BFTW_ERROR:
-		str[0] = '?';
-		break;
-	}
+	str[0] = type_char(mode);
 
 	if (mode & 00400) {
 		str[1] = 'r';
diff --git a/util.h b/util.h
index 6e7c1f2..b10e0e4 100644
--- a/util.h
+++ b/util.h
@@ -166,7 +166,7 @@ char *xregerror(int err, const regex_t *regex);
  * @param str
  *         The string to hold the formatted mode.
  */
-void format_mode(mode_t mode, char str[11]);
+void xstrmode(mode_t mode, char str[11]);
 
 /**
  * basename() variant that doesn't modify the input.
-- 
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