Remove unnecessary casts from size_t to int

We can use the %zu format specifier directly, no need to cast to int.

src/interfaces/ecpg/preproc/ecpg.addons

@@ -36,7 +36,7 @@ ECPG: stmtExecuteStmt block
 
 				/* It must be cut off double quotation because new_variable() double-quotes. */
 				str[strlen(str) - 1] = '\0';
-				sprintf(length, "%d", (int) strlen(str));
+				sprintf(length, "%zu", strlen(str));
 				add_variable_to_tail(&argsinsert, new_variable(str, ECPGmake_simple_type(ECPGt_const, length, 0), 0), &no_indicator);
 			}
 			output_statement(cat_str(3, mm_strdup("execute"), mm_strdup("$0"), $1.type), 0, ECPGst_exec_with_exprlist);
@@ -63,7 +63,7 @@ ECPG: stmtPrepareStmt block
 
 				/* It must be cut off double quotation because new_variable() double-quotes. */
 				str[strlen(str) - 1] = '\0';
-				sprintf(length, "%d", (int) strlen(str));
+				sprintf(length, "%zu", strlen(str));
 				add_variable_to_tail(&argsinsert, new_variable(str, ECPGmake_simple_type(ECPGt_const, length, 0), 0), &no_indicator);
 			}
 			output_statement(cat_str(5, mm_strdup("prepare"), mm_strdup("$0"), $1.type, mm_strdup("as"), $1.stmt), 0, ECPGst_prepare);

src/interfaces/ecpg/preproc/ecpg.trailer

@@ -1099,7 +1099,7 @@ UsingValue: UsingConst
 		{
 			char *length = mm_alloc(32);
 
-			sprintf(length, "%d", (int) strlen($1));
+			sprintf(length, "%zu", strlen($1));
 			add_variable_to_head(&argsinsert, new_variable($1, ECPGmake_simple_type(ECPGt_const, length, 0), 0), &no_indicator);
 		}
 		| civar { $$ = EMPTY; }
@@ -1226,7 +1226,7 @@ IntConstVar: Iconst
 		{
 			char *length = mm_alloc(sizeof(int) * CHAR_BIT * 10 / 3);
 
-			sprintf(length, "%d", (int) strlen($1));
+			sprintf(length, "%zu", strlen($1));
 			new_variable($1, ECPGmake_simple_type(ECPGt_const, length, 0), 0);
 			$$ = $1;
 		}
@@ -1272,7 +1272,7 @@ AllConstVar: ecpg_fconst
 		{
 			char *length = mm_alloc(sizeof(int) * CHAR_BIT * 10 / 3);
 
-			sprintf(length, "%d", (int) strlen($1));
+			sprintf(length, "%zu", strlen($1));
 			new_variable($1, ECPGmake_simple_type(ECPGt_const, length, 0), 0);
 			$$ = $1;
 		}
@@ -1287,7 +1287,7 @@ AllConstVar: ecpg_fconst
 			char *length = mm_alloc(sizeof(int) * CHAR_BIT * 10 / 3);
 			char *var = cat2_str(mm_strdup("-"), $2);
 
-			sprintf(length, "%d", (int) strlen(var));
+			sprintf(length, "%zu", strlen(var));
 			new_variable(var, ECPGmake_simple_type(ECPGt_const, length, 0), 0);
 			$$ = var;
 		}
@@ -1297,7 +1297,7 @@ AllConstVar: ecpg_fconst
 			char *length = mm_alloc(sizeof(int) * CHAR_BIT * 10 / 3);
 			char *var = cat2_str(mm_strdup("-"), $2);
 
-			sprintf(length, "%d", (int) strlen(var));
+			sprintf(length, "%zu", strlen(var));
 			new_variable(var, ECPGmake_simple_type(ECPGt_const, length, 0), 0);
 			$$ = var;
 		}
@@ -1308,7 +1308,7 @@ AllConstVar: ecpg_fconst
 			char *var = $1 + 1;
 
 			var[strlen(var) - 1] = '\0';
-			sprintf(length, "%d", (int) strlen(var));
+			sprintf(length, "%zu", strlen(var));
 			new_variable(var, ECPGmake_simple_type(ECPGt_const, length, 0), 0);
 			$$ = var;
 		}