From: Ben Gras <ben@minix3.org>
Date: Tue, 11 Dec 2012 03:43:20 +0000 (+0100)
Subject: sort: add -x hex sort feature back
X-Git-Tag: v3.2.1~156
X-Git-Url: http://zhaoyanbai.com/repos/%24relpath%24tabs.css?a=commitdiff_plain;h=e286ccc05bef1fbad5a00f4f3bd99c764daf92fe;p=minix.git

sort: add -x hex sort feature back

	. so unstack works again
---

diff --git a/usr.bin/sort/fields.c b/usr.bin/sort/fields.c
index 9533b1c70..94cb23ca5 100644
--- a/usr.bin/sort/fields.c
+++ b/usr.bin/sort/fields.c
@@ -82,6 +82,10 @@ static u_char *enterfield(u_char *, const u_char *, struct field *, int);
 static u_char *number(u_char *, const u_char *, u_char *, u_char *, int);
 static u_char *length(u_char *, const u_char *, u_char *, u_char *, int);
 
+#ifdef __minix
+static u_char *numhex(u_char *, const u_char *, u_char *, u_char *, int);
+#endif
+
 #define DECIMAL_POINT '.'
 
 /*
@@ -205,6 +209,10 @@ enterfield(u_char *tablepos, const u_char *endkey, struct field *cur_fld,
 		return length(tablepos, endkey, start, end, flags);
 	if (flags & N)
 		return number(tablepos, endkey, start, end, flags);
+#ifdef __minix
+	if (flags & X)
+		return numhex(tablepos, endkey, start, end, flags);
+#endif
 
 	/* Bound check space - assuming nothing is skipped */
 	if (tablepos + (end - start) + 1 >= endkey)
@@ -375,3 +383,18 @@ length(u_char *pos, const u_char *bufend, u_char *line, u_char *lineend,
 	l = snprintf((char *)buf, sizeof(buf), "%td", lineend - line);
 	return number(pos, bufend, buf, buf + l, flag);
 }
+
+#ifdef __minix
+static u_char *
+numhex(u_char *pos, const u_char *bufend, u_char *line, u_char *lineend,
+    int flag)
+{
+	u_char buf[32];
+	int64_t n = 0;
+	int l;
+	SKIP_BLANKS(line);
+	sscanf((const char *) pos, "%lx", &n);
+	l = snprintf((char *)buf, sizeof(buf), "%lld", n);
+	return number(pos, bufend, buf, buf + l, flag);
+}
+#endif
diff --git a/usr.bin/sort/init.c b/usr.bin/sort/init.c
index 0ef34b339..8884d0b40 100644
--- a/usr.bin/sort/init.c
+++ b/usr.bin/sort/init.c
@@ -233,6 +233,9 @@ optval(int desc, int tcolflag)
 	case 'i': return I;
 	case 'l': return L;
 	case 'n': return N;
+#ifdef __minix
+	case 'x': return X;
+#endif
 	case 'r': return R;
 	default:  return 0;
 	}
diff --git a/usr.bin/sort/sort.c b/usr.bin/sort/sort.c
index a0d4f5f20..5f026daca 100644
--- a/usr.bin/sort/sort.c
+++ b/usr.bin/sort/sort.c
@@ -170,6 +170,9 @@ main(int argc, char *argv[])
 			    debug_flags |= 1 << (optarg[i] & 31);
 			break;
 		case 'd': case 'f': case 'i': case 'n': case 'l':
+#ifdef __minix
+		case 'x':
+#endif
 			fldtab[0].flags |= optval(ch, 0);
 			break;
 		case 'H':
diff --git a/usr.bin/sort/sort.h b/usr.bin/sort/sort.h
index 677fd4522..cac59b0ee 100644
--- a/usr.bin/sort/sort.h
+++ b/usr.bin/sort/sort.h
@@ -86,6 +86,9 @@
 #define	BI	0x20	/* ignore blanks in icol */
 #define	BT	0x40	/* ignore blanks in tcol */
 #define	L	0x80	/* Sort by field length */
+#ifdef __minix
+#define	X	0x100	/* Field is a hex number */
+#endif
 
 /* masks for delimiters: blanks, fields, and termination. */
 #define BLANK 1		/* ' ', '\t'; '\n' if -R is invoked */