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-rw-r--r--lib/libss/request_tbl.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/lib/libss/request_tbl.c b/lib/libss/request_tbl.c
new file mode 100644
index 0000000..8dcb583
--- /dev/null
+++ b/lib/libss/request_tbl.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright 1987, 1988 by MIT Student Information Processing Board
+ *
+ * For copyright information, see copyright.h.
+ */
+
+#include "copyright.h"
+#include "ss_internal.h"
+
+#define ssrt ss_request_table /* for some readable code... */
+
+ss_add_request_table(sci_idx, rqtbl_ptr, position, code_ptr)
+ int sci_idx;
+ ssrt *rqtbl_ptr;
+ int position; /* 1 -> becomes second... */
+ int *code_ptr;
+{
+ register ss_data *info;
+ register int i, size;
+
+ info = ss_info(sci_idx);
+ for (size=0; info->rqt_tables[size] != (ssrt *)NULL; size++)
+ ;
+ /* size == C subscript of NULL == #elements */
+ size += 2; /* new element, and NULL */
+ info->rqt_tables = (ssrt **)realloc((char *)info->rqt_tables,
+ (unsigned)size*sizeof(ssrt));
+ if (info->rqt_tables == (ssrt **)NULL) {
+ *code_ptr = errno;
+ return;
+ }
+ if (position > size - 2)
+ position = size - 2;
+
+ if (size > 1)
+ for (i = size - 2; i >= position; i--)
+ info->rqt_tables[i+1] = info->rqt_tables[i];
+
+ info->rqt_tables[position] = rqtbl_ptr;
+ info->rqt_tables[size-1] = (ssrt *)NULL;
+ *code_ptr = 0;
+}
+
+ss_delete_request_table(sci_idx, rqtbl_ptr, code_ptr)
+ int sci_idx;
+ ssrt *rqtbl_ptr;
+ int *code_ptr;
+{
+ register ss_data *info;
+ register ssrt **rt1, **rt2;
+
+ *code_ptr = SS_ET_TABLE_NOT_FOUND;
+ info = ss_info(sci_idx);
+ rt1 = info->rqt_tables;
+ for (rt2 = rt1; *rt1; rt1++) {
+ if (*rt1 != rqtbl_ptr) {
+ *rt2++ = *rt1;
+ *code_ptr = 0;
+ }
+ }
+ *rt2 = (ssrt *)NULL;
+ return;
+}
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