Fixes for writing sas7bdat files (32-bit/row-compression)

src/readstat.h

@@ -111,7 +111,8 @@ typedef enum readstat_error_e {
     READSTAT_ERROR_LABEL_IS_TOO_LONG,
     READSTAT_ERROR_DUPLICATE_VALUE_LABEL,
     READSTAT_ERROR_UNUSED_STRING_REF,
-    READSTAT_ERROR_DUPLICATE_VARIABLE_NAME
+    READSTAT_ERROR_DUPLICATE_VARIABLE_NAME,
+    READSTAT_ERROR_TOO_MANY_ROWS
 } readstat_error_t;
 
 const char *readstat_error_message(readstat_error_t error_code);

src/readstat_error.c

@@ -143,5 +143,8 @@ const char *readstat_error_message(readstat_error_t error_code) {
     if (error_code == READSTAT_ERROR_DUPLICATE_VARIABLE_NAME)
         return "Two or more variables have the same name";
 
+    if (error_code == READSTAT_ERROR_TOO_MANY_ROWS)
+        return "Too many rows for the file format";
+
     return "Unknown error";
 }

src/sas/readstat_sas.h

@@ -114,6 +114,7 @@ typedef enum sas_subheader_type_e {
 
 #define SAS_PAGE_TYPE_DELETED_ROWS  0x0080
 #define SAS_PAGE_TYPE_META2         0x4000
+#define SAS_PAGE_TYPE_INDEX_LEAF    0x8000
 #define SAS_PAGE_TYPE_COMP          0x9000
 
 #define SAS_SUBHEADER_POINTER_SIZE_32BIT    12