X-Git-Url: https://git.distorted.org.uk/~mdw/qmail/blobdiff_plain/2117e02ec495fdfd6e96b39778b701a5bcff8aa5..HEAD:/constmap.c

diff --git a/constmap.c b/constmap.c
index 9a28191..722e3b8 100644
--- a/constmap.c
+++ b/constmap.c
@@ -6,17 +6,16 @@ static constmap_hash hash(s,len)
 char *s;
 int len;
 {
- unsigned char ch;
- constmap_hash h;
- h = 5381;
- while (len > 0)
-  {
-   ch = *s++ - 'A';
-   if (ch <= 'Z' - 'A') ch += 'a' - 'A';
-   h = ((h << 5) + h) ^ ch;
-   --len;
+  unsigned char ch;
+  constmap_hash h;
+  h = 5381;
+  while (len > 0) {
+    ch = *s++ - 'A';
+    if (ch <= 'Z' - 'A') ch += 'a' - 'A';
+    h = ((h << 5) + h) ^ ch;
+    --len;
   }
- return h;
+  return h;
 }
 
 char *constmap(cm,s,len)
@@ -24,19 +23,18 @@ struct constmap *cm;
 char *s;
 int len;
 {
- constmap_hash h;
- int pos;
- h = hash(s,len);
- pos = cm->first[h & cm->mask];
- while (pos != -1)
-  {
-   if (h == cm->hash[pos])
-     if (len == cm->inputlen[pos])
-       if (!case_diffb(cm->input[pos],len,s))
-	 return cm->input[pos] + cm->inputlen[pos] + 1;
-   pos = cm->next[pos];
+  constmap_hash h;
+  int pos;
+  h = hash(s,len);
+  pos = cm->first[h & cm->mask];
+  while (pos != -1) {
+    if (h == cm->hash[pos])
+      if (len == cm->inputlen[pos])
+        if (!case_diffb(cm->input[pos],len,s))
+	  return cm->input[pos] + cm->inputlen[pos] + 1;
+    pos = cm->next[pos];
   }
- return 0;
+  return 0;
 }
 
 int constmap_init(cm,s,len,flagcolon)
@@ -45,79 +43,72 @@ char *s;
 int len;
 int flagcolon;
 {
- int i;
- int j;
- int k;
- int pos;
- constmap_hash h;
-
- cm->num = 0;
- for (j = 0;j < len;++j) if (!s[j]) ++cm->num;
-
- h = 64;
- while (h && (h < cm->num)) h += h;
- cm->mask = h - 1;
-
- cm->first = (int *) alloc(sizeof(int) * h);
- if (cm->first)
-  {
-   cm->input = (char **) alloc(sizeof(char *) * cm->num);
-   if (cm->input)
-    {
-     cm->inputlen = (int *) alloc(sizeof(int) * cm->num);
-     if (cm->inputlen)
-      {
-       cm->hash = (constmap_hash *) alloc(sizeof(constmap_hash) * cm->num);
-       if (cm->hash)
-	{
-	 cm->next = (int *) alloc(sizeof(int) * cm->num);
-	 if (cm->next)
-	  {
-	   for (h = 0;h <= cm->mask;++h)
-	     cm->first[h] = -1;
-           pos = 0;
-           i = 0;
-           for (j = 0;j < len;++j)
-             if (!s[j])
-              {
-	       k = j - i;
-	       if (flagcolon)
-		{
-		 for (k = i;k < j;++k)
-		   if (s[k] == ':')
-		     break;
-		 if (k >= j) { i = j + 1; continue; }
-		 k -= i;
+  int i;
+  int j;
+  int k;
+  int pos;
+  constmap_hash h;
+ 
+  cm->num = 0;
+  for (j = 0;j < len;++j) if (!s[j]) ++cm->num;
+ 
+  h = 64;
+  while (h && (h < cm->num)) h += h;
+  cm->mask = h - 1;
+ 
+  cm->first = (int *) alloc(sizeof(int) * h);
+  if (cm->first) {
+    cm->input = (char **) alloc(sizeof(char *) * cm->num);
+    if (cm->input) {
+      cm->inputlen = (int *) alloc(sizeof(int) * cm->num);
+      if (cm->inputlen) {
+        cm->hash = (constmap_hash *) alloc(sizeof(constmap_hash) * cm->num);
+        if (cm->hash) {
+	  cm->next = (int *) alloc(sizeof(int) * cm->num);
+	  if (cm->next) {
+	    for (h = 0;h <= cm->mask;++h)
+	      cm->first[h] = -1;
+            pos = 0;
+            i = 0;
+            for (j = 0;j < len;++j)
+              if (!s[j]) {
+	        k = j - i;
+	        if (flagcolon) {
+		  for (k = i;k < j;++k)
+		    if (s[k] == ':')
+		      break;
+		  if (k >= j) { i = j + 1; continue; }
+		  k -= i;
 		}
-               cm->input[pos] = s + i;
-               cm->inputlen[pos] = k;
-               h = hash(s + i,k);
-               cm->hash[pos] = h;
-               h &= cm->mask;
-               cm->next[pos] = cm->first[h];
-               cm->first[h] = pos;
-               ++pos;
-               i = j + 1;
+                cm->input[pos] = s + i;
+                cm->inputlen[pos] = k;
+                h = hash(s + i,k);
+                cm->hash[pos] = h;
+                h &= cm->mask;
+                cm->next[pos] = cm->first[h];
+                cm->first[h] = pos;
+                ++pos;
+                i = j + 1;
               }
-           return 1;
+            return 1;
 	  }
-	 alloc_free(cm->hash);
+	  alloc_free(cm->hash);
 	}
-       alloc_free(cm->inputlen);
+        alloc_free(cm->inputlen);
       }
-     alloc_free(cm->input);
+      alloc_free(cm->input);
     }
-   alloc_free(cm->first);
+    alloc_free(cm->first);
   }
- return 0;
+  return 0;
 }
 
 void constmap_free(cm)
 struct constmap *cm;
 {
- alloc_free(cm->next);
- alloc_free(cm->hash);
- alloc_free(cm->inputlen);
- alloc_free(cm->input);
- alloc_free(cm->first);
+  alloc_free(cm->next);
+  alloc_free(cm->hash);
+  alloc_free(cm->inputlen);
+  alloc_free(cm->input);
+  alloc_free(cm->first);
 }