More files.

More files.

include/ar.h

@@ -0,0 +1,17 @@
+#define	ARMAG	"!<arch>\n"
+#define	SARMAG	8
+
+#define	ARFMAG	"`\n"
+#define SARNAME	16
+
+struct	ar_hdr
+{
+	char	name[SARNAME];
+	char	date[12];
+	char	uid[6];
+	char	gid[6];
+	char	mode[8];
+	char	size[10];
+	char	fmag[2];
+};
+#define	SAR_HDR	(SARNAME+44)

src/lib9/get9root.c

@@ -0,0 +1,13 @@
+#include <u.h>
+#include <libc.h>
+
+char*
+get9root(void)
+{
+	char *s;
+
+	if((s = getenv("PLAN9")) != 0)
+		return s;
+	return "/usr/local/plan9";
+}
+

src/lib9/unsharp.c

@@ -0,0 +1,44 @@
+#include <u.h>
+#include <libc.h>
+
+/*
+ * I don't want too many of these,
+ * but the ones we have are just too useful. 
+ */
+static struct {
+	char *old;
+	char *new;
+} replace[] = {
+	"#9", nil,	/* must be first */
+	"#d", "/dev/fd",
+};
+
+char*
+unsharp(char *old)
+{
+	char *new;
+	int i, olen, nlen, len;
+
+	if(replace[0].new == nil)
+		replace[0].new = get9root();
+
+	for(i=0; i<nelem(replace); i++){
+		if(!replace[i].new)
+			continue;
+		olen = strlen(replace[i].old);
+		if(strncmp(old, replace[i].old, olen) != 0
+		|| (old[olen] != '\0' && old[olen] != '/'))
+			continue;
+		nlen = strlen(replace[i].new);
+		len = strlen(old)+nlen-olen;
+		new = malloc(len+1);
+		if(new == nil)
+			/* Most callers won't check the return value... */
+			sysfatal("out of memory translating %s to %s%s", old, replace[i].new, old+olen);
+		strcpy(new, replace[i].new);
+		strcpy(new+nlen, old+olen);
+		assert(strlen(new) == len);
+		return new;
+	}
+	return old;
+}

src/libventi/parsescore.c

@@ -0,0 +1,40 @@
+#include <u.h>
+#include <libc.h>
+#include <venti.h>
+
+int
+vtparsescore(char *s, char **prefix, uchar score[VtScoreSize])
+{
+	int i, c;
+	char *buf, *colon;
+
+	if((colon = strchr(s, ':')) != nil)
+		buf = colon+1;
+	else
+		buf = s;
+
+	if(strlen(buf) != 2*VtScoreSize)
+		return -1;
+
+	memset(score, 0, VtScoreSize);
+	for(i=0; i<2*VtScoreSize; i++){
+		if(buf[i] >= '0' && buf[i] <= '9')
+			c = buf[i] - '0';
+		else if(buf[i] >= 'a' && buf[i] <= 'z')
+			c = buf[i] - 'a' + 10;
+		else if(buf[i] >= 'A' && buf[i] <= 'Z')
+			c = buf[i] - 'A' + 10;
+		else
+			return -1;
+
+		if((i & 1) == 0)
+			c <<= 4;
+		score[i>>1] |= c;
+	}
+	if(colon){
+		*colon = 0;
+		*prefix = s;
+	}else
+		*prefix = nil;
+	return 0;
+}