[lcd4linux @ 2006-01-30 06:11:36 by reinelt]

changed Result->length to Result->size

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@627 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

diff --git a/evaluator.c b/evaluator.c
index c26fb725d989c9df3efa0d2dc5a44b4dcc31ac56..86235a1cd9ca714262f1928a125282133049012f 100644 (file)
--- a/evaluator.c
+++ b/evaluator.c
@@ -1,4 +1,4 @@
-/* $Id: evaluator.c,v 1.28 2006/01/30 05:47:38 reinelt Exp $
+/* $Id: evaluator.c,v 1.29 2006/01/30 06:11:36 reinelt Exp $
  *
  * expression evaluation
  *
@@ -23,6 +23,9 @@
  *
  *
  * $Log: evaluator.c,v $
+ * Revision 1.29  2006/01/30 06:11:36  reinelt
+ * changed Result->length to Result->size
+ *
  * Revision 1.28  2006/01/30 05:47:38  reinelt
  * graphic subsystem changed to full-color RGBA
  *
@@ -315,8 +318,8 @@ static int nFunction = 0;
 void DelResult(RESULT * result)
 {
     result->type = 0;
+    result->size = 0;
     result->number = 0.0;
-    result->length = -1;
     if (result->string) {
        free(result->string);
        result->string = NULL;
@@ -341,8 +344,8 @@ static RESULT *NewResult(void)
        return NULL;
     }
     result->type = 0;
+    result->size = 0;
     result->number = 0.0;
-    result->length = -1;
     result->string = NULL;
 
     return result;
@@ -360,8 +363,8 @@ RESULT *SetResult(RESULT ** result, const int type, const void *value)
 
     if (type == R_NUMBER) {
        (*result)->type = R_NUMBER;
+       (*result)->size = 0;
        (*result)->number = *(double *) value;
-       (*result)->length = -1;
        (*result)->string = NULL;
     }
 
@@ -369,16 +372,15 @@ RESULT *SetResult(RESULT ** result, const int type, const void *value)
        int len = strlen((char *) value);
        (*result)->type = R_STRING;
        (*result)->number = 0.0;
-       if ((*result)->string == NULL || len > (*result)->length) {
+       if ((*result)->string == NULL || len >= (*result)->size) {
            /* buffer is either empty or too small */
            if ((*result)->string)
                free((*result)->string);
            /* allocate memory in multiples of CHUNK_SIZE */
-           /* note that length does not count the trailing \0 */
-           (*result)->length = CHUNK_SIZE * (len / CHUNK_SIZE + 1) - 1;
-           (*result)->string = malloc((*result)->length + 1);
+           (*result)->size = CHUNK_SIZE * (len / CHUNK_SIZE + 1);
+           (*result)->string = malloc((*result)->size);
        }
-       strncpy((*result)->string, value, (*result)->length + 1);
+       strncpy((*result)->string, value, (*result)->size);
     } else {
        error("Evaluator: internal error: invalid result type %d", type);
        return NULL;
@@ -399,20 +401,19 @@ static RESULT *CopyResult(RESULT ** result, RESULT * value)
     (*result)->number = value->number;
 
     if (value->string == NULL) {
+       (*result)->size = 0;
        if ((*result)->string)
            free((*result)->string);
        (*result)->string = NULL;
-       (*result)->length = -1;
     } else {
        /* is buffer large enough? */
-       if ((*result)->string == NULL || value->length > (*result)->length) {
+       if ((*result)->string == NULL || value->size > (*result)->size) {
            if ((*result)->string)
                free((*result)->string);
-           (*result)->length = value->length;
-           (*result)->string = malloc((*result)->length + 1);
-           /* length does not count the trailing \0 */
+           (*result)->size = value->size;
+           (*result)->string = malloc((*result)->size);
        }
-       strncpy((*result)->string, value->string, (*result)->length + 1);
+       strncpy((*result)->string, value->string, (*result)->size);
     }
     return *result;
 }
@@ -455,9 +456,9 @@ char *R2S(RESULT * result)
        result->type |= R_STRING;
        if (result->string)
            free(result->string);
-       result->length = CHUNK_SIZE - 1;
-       result->string = malloc(result->length + 1);
-       snprintf(result->string, result->length, "%g", result->number);
+       result->size = CHUNK_SIZE;
+       result->string = malloc(result->size);
+       snprintf(result->string, result->size, "%g", result->number);
        return result->string;
     }
 
@@ -1309,12 +1310,12 @@ int Eval(void *tree, RESULT * result)
     ret = EvalTree(Tree);
 
     result->type = Tree->Result->type;
+    result->size = Tree->Result->size;
     result->number = Tree->Result->number;
-    result->length = Tree->Result->length;
-    if (result->length >= 0) {
-       result->string = malloc(result->length + 1);
+    if (result->size > 0) {
+       result->string = malloc(result->size);
        if (Tree->Result->string != NULL) {
-           strncpy(result->string, Tree->Result->string, result->length + 1);
+           strncpy(result->string, Tree->Result->string, result->size);
        } else
            result->string[0] = '\0';
     } else {

diff --git a/evaluator.h b/evaluator.h
index 6c3016c6de0abadbf435b7a1822d8d0772403520..10bd8077d0c924a8c2a89e4533ddef243fce2a77 100644 (file)
--- a/evaluator.h
+++ b/evaluator.h
@@ -1,4 +1,4 @@
-/* $Id: evaluator.h,v 1.11 2005/05/08 04:32:44 reinelt Exp $
+/* $Id: evaluator.h,v 1.12 2006/01/30 06:11:36 reinelt Exp $
  *
  * expression evaluation
  *
@@ -23,6 +23,9 @@
  *
  *
  * $Log: evaluator.h,v $
+ * Revision 1.12  2006/01/30 06:11:36  reinelt
+ * changed Result->length to Result->size
+ *
  * Revision 1.11  2005/05/08 04:32:44  reinelt
  * CodingStyle added and applied
  *
@@ -90,8 +93,8 @@
 
 typedef struct {
     int type;
+    int size;
     double number;
-    int length;
     char *string;
 } RESULT;