Initial checkin

Imported from subversion report, converted to git. Updated all paths in
scripts and makefiles, reflecting the new directory hierarchy.

1 files changed, 149 insertions, 0 deletions

diff --git a/maildrop/varlist.C b/maildrop/varlist.C
new file mode 100644
index 0000000..4ec045c
--- /dev/null
+++ b/maildrop/varlist.C
@@ -0,0 +1,149 @@
+#include "config.h"
+#include	"varlist.h"
+#include	"buffer.h"
+#include	"funcs.h"
+#include	"maildrop.h"
+
+#include	<string.h>
+
+
+class Variable {
+public:
+
+	Variable *next;
+	Buffer	name, value;
+	} ;
+
+static Variable *varlist[101];
+
+void UnsetVar(const Buffer &var)
+{
+int varlen=var.Length();
+unsigned n=0;
+int i;
+const char *p=var;
+	for (i=varlen; i; --i)
+		n = (n << 1) ^ (unsigned char)*p++;
+
+	if (var.Length() == 7 &&
+		strncmp( (const char *)var, "VERBOSE", 7) == 0)
+	{
+		maildrop.verbose_level=0;
+	}
+
+	n %= sizeof(varlist)/sizeof(varlist[0]);
+
+Variable **v;
+
+	for (v= &varlist[n]; *v; v= &(*v)->next)
+		if ( (*v)->name == var )
+		{
+		Variable *vv= (*v);
+
+			(*v)= vv->next;
+			delete vv;
+			break;
+		}
+	return;
+}
+
+void SetVar(const Buffer &var, const Buffer &value)
+{
+int varlen=var.Length();
+unsigned n=0;
+int i;
+const char *p=var;
+
+	for (i=varlen; i; --i)
+		n = (n << 1) ^ (unsigned char)*p++;
+
+	if (var.Length() == 7 &&
+		strncmp( (const char *)var, "VERBOSE", 7) == 0)
+	{
+		maildrop.verbose_level= value.Int("0");
+		if (maildrop.isdelivery)	maildrop.verbose_level=0;
+	}
+
+	n %= sizeof(varlist)/sizeof(varlist[0]);
+
+Variable *v;
+
+	for (v=varlist[n]; v; v=v->next)
+		if ( v->name == var )
+		{
+			v->value=value;
+			return;
+		}
+
+	v=new Variable;
+	if (!v)	outofmem();
+	v->name=var;
+	v->value=value;
+	v->next=varlist[n];
+	varlist[n]=v;
+}
+
+static Buffer zero;
+
+const Buffer *GetVar(const Buffer &var)
+{
+int varlen=var.Length(),i;
+unsigned n=0;
+const char *p=var;
+
+	for (i=varlen; i; --i)
+		n = (n << 1) ^ (unsigned char)*p++;
+	n %= sizeof(varlist)/sizeof(varlist[0]);
+
+Variable *v;
+
+	for (v=varlist[n]; v; v=v->next)
+		if ( v->name == var)	return ( &v->value );
+	return (&zero);
+}
+
+const char *GetVarStr(const Buffer &var)
+{
+static Buffer tempbuf;
+
+	tempbuf= *GetVar(var);
+	tempbuf += '\0';
+	return (tempbuf);
+}
+
+// Create environment for a child process.
+
+char	**ExportEnv()
+{
+unsigned	i,n,l;
+Variable	*v;
+char	**envp;
+char	*envdatap=0;
+
+	for (i=n=l=0; i<sizeof(varlist)/sizeof(varlist[0]); i++)
+		for (v=varlist[i]; v; v=v->next)
+		{
+			l += v->name.Length() + v->value.Length()+2;
+			++n;
+		}
+
+	if ((envp=new char *[n+1]) == NULL)	outofmem();
+	if (l && (envdatap=new char[l]) == NULL)	outofmem();
+
+	for (i=n=0; i<sizeof(varlist)/sizeof(varlist[0]); i++)
+		for (v=varlist[i]; v; v=v->next)
+		{
+			envp[n]=envdatap;
+			memcpy(envdatap, (const char *)v->name,
+							v->name.Length());
+			envdatap += v->name.Length();
+			*envdatap++ = '=';
+			memcpy(envdatap, (const char *)v->value,
+							v->value.Length());
+			envdatap += v->value.Length();
+			*envdatap++ = 0;
+			n++;
+		}
+	envp[n]=0;
+	return (envp);
+}