Changeset: 86c18d07007c for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=86c18d07007c
Modified Files:
clients/mapiclient/ReadlineTools.c
Branch: Oct2012
Log Message:
Create history file if it didn't exist.
Obviously only when the user requested history be saved.
This fixes bug 3188.
diffs (51 lines):
diff --git a/clients/mapiclient/ReadlineTools.c
b/clients/mapiclient/ReadlineTools.c
--- a/clients/mapiclient/ReadlineTools.c
+++ b/clients/mapiclient/ReadlineTools.c
@@ -39,6 +39,8 @@
#endif
#endif
+#include <errno.h>
+
#define PATHLENGTH 256 /* maximum file pathname length. */
static const char *sql_commands[] = {
@@ -390,8 +392,36 @@ init_readline(Mapi mid, char *lang, int
mo_find_option(NULL, 0, "prefix"), DIR_SEP, language);
_save_history = 1;
#endif
- if (_save_history)
- read_history(_history_file);
+ if (_save_history) {
+ FILE *f;
+ switch (read_history(_history_file)) {
+ case 0:
+ /* success */
+ break;
+ case ENOENT:
+ /* history file didn't exist, so try to create
+ * it and then try again */
+ if ((f = fopen(_history_file, "w")) != NULL) {
+ /* failed to create, don't
+ * bother saving */
+ _save_history = 0;
+ } else {
+ (void) fclose(f);
+ if (read_history(_history_file) != 0) {
+ /* still no luck, don't
+ * bother saving */
+ _save_history = 0;
+ }
+ }
+ break;
+ default:
+ /* unrecognized failure, don't bother saving */
+ _save_history = 0;
+ break;
+ }
+ }
+ if (!_save_history)
+ fprintf(stderr, "Warning: not saving history\n");
}
}
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