new webfs, rc based hget

1 files changed, 119 insertions, 0 deletions

diff --git a/sys/src/cmd/webfs/sub.c b/sys/src/cmd/webfs/sub.c
new file mode 100644
index 000000000..274ef0b08
--- /dev/null
+++ b/sys/src/cmd/webfs/sub.c
@@ -0,0 +1,119 @@
+#include <u.h>
+#include <libc.h>
+#include <ctype.h>
+#include <fcall.h>
+#include <thread.h>
+#include <9p.h>
+
+#include "dat.h"
+#include "fns.h"
+
+void*
+emalloc(int n)
+{
+	void *v;
+	v = emalloc9p(n);
+	setmalloctag(v, getcallerpc(&n));
+	memset(v, 0, n);
+	return v;
+}
+
+char*
+estrdup(char *s)
+{
+	s = estrdup9p(s);
+	setmalloctag(s, getcallerpc(&s));
+	return s;
+}
+
+Key*
+addkey(Key *h, char *key, char *val)
+{
+	Key *k;
+	int n;
+
+	if(val == nil)
+		val = "";
+	n = strlen(key)+1;
+	k = emalloc(sizeof(*k) + n + strlen(val)+1);
+	k->next = h;
+	k->val = k->key + n;
+	strcpy(k->key, key);
+	strcpy(k->val, val);
+	return k;
+}
+
+Key*
+delkey(Key *h, char *key)
+{
+	Key *k, *p;
+
+	for(p = nil, k = h; k; p = k, k = k->next){
+		if(!cistrcmp(k->key, key)){
+			if(p)
+				p->next = k->next;
+			else
+				h = k->next;
+			memset(k->val, 0, strlen(k->val));
+			free(k);
+			break;
+		}
+	}
+	return h;
+}
+
+char*
+lookkey(Key *k, char *key)
+{
+	while(k){
+		if(!cistrcmp(k->key, key))
+			return k->val;
+		k = k->next;
+	}
+	return nil;
+}
+
+Key*
+parsehdr(char *s)
+{
+	char *v;
+
+	v = strchr(s, 0)-1;
+	while(v >= s && strchr("\n\r\t ", *v))
+		*v-- = 0;
+	if(v = strchr(s, ':')){
+		*v++ = 0;
+		while(strchr("\t ", *v))
+			v++;
+		if(*s && *v)
+			return addkey(0, s, v);
+	}
+	return nil;
+}
+
+char*
+unquote(char *s, char **ps)
+{
+	char *p;
+
+	if(*s != '"'){
+		p = strpbrk(s, " \t\r\n");
+		*p++ = 0;
+		*ps = p;
+		return s;
+	}
+	for(p=s+1; *p; p++){
+		if(*p == '\"'){
+			*p++ = 0;
+			break;
+		}
+		if(*p == '\\' && *(p+1)){
+			p++;
+			continue;
+		}
+	}
+	memmove(s, s+1, p-(s+1));
+	s[p-(s+1)] = 0;
+	*ps = p;
+	return s;
+}