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casereader: Make parameter to casereader_count_cases const.
[pspp-builds.git]
/
src
/
data
/
casereader.c
diff --git
a/src/data/casereader.c
b/src/data/casereader.c
index 57afff844d251acc9bbffbb40f1b9eb9c7232986..97b7ceff3d1b7eb19e8ac6243aef08eb961a0f6b 100644
(file)
--- a/
src/data/casereader.c
+++ b/
src/data/casereader.c
@@
-258,7
+258,8
@@
casereader_get_case_cnt (struct casereader *reader)
}
static casenumber
}
static casenumber
-casereader_count_cases__ (struct casereader *reader, casenumber max_cases)
+casereader_count_cases__ (const struct casereader *reader,
+ casenumber max_cases)
{
struct casereader *clone;
casenumber n_cases;
{
struct casereader *clone;
casenumber n_cases;
@@
-280,10
+281,13
@@
casereader_count_cases__ (struct casereader *reader, casenumber max_cases)
of the contents of a clone of READER. Thus, the return value
is always correct in the absence of I/O errors. */
casenumber
of the contents of a clone of READER. Thus, the return value
is always correct in the absence of I/O errors. */
casenumber
-casereader_count_cases (struct casereader *reader)
+casereader_count_cases (
const
struct casereader *reader)
{
if (reader->case_cnt == CASENUMBER_MAX)
{
if (reader->case_cnt == CASENUMBER_MAX)
- reader->case_cnt = casereader_count_cases__ (reader, CASENUMBER_MAX);
+ {
+ struct casereader *reader_rw = CONST_CAST (struct casereader *, reader);
+ reader_rw->case_cnt = casereader_count_cases__ (reader, CASENUMBER_MAX);
+ }
return reader->case_cnt;
}
return reader->case_cnt;
}