Introduce library routine get_user_input(char *buf, unsigned sz),
which is used to obtain user input.
Signed-off-by: Sergey Senozhatsky <sergey.senozhat...@gmail.com>
---
lib.cpp | 13 +++++++++++++
lib.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/lib.cpp b/lib.cpp
index 109c48e..53638dd 100644
--- a/lib.cpp
+++ b/lib.cpp
@@ -56,6 +56,7 @@ extern "C" {
#endif
#include <limits>
#include <math.h>
+#include <ncurses.h>
static int kallsyms_read = 0;
@@ -400,3 +401,15 @@ void process_directory(const char *d_name, callback fn)
closedir(dir);
}
+
+int get_user_input(char *buf, unsigned sz)
+{
+ fflush(stdout);
+ echo();
+ /* Upon successful completion, these functions return OK. Otherwise,
they return ERR. */
+ int ret = getnstr(buf, sz);
+ noecho();
+ fflush(stdout);
+ /* to distinguish between getnstr error and empty line */
+ return ret || strlen(buf);
+}
diff --git a/lib.h b/lib.h
index 1282225..c345985 100644
--- a/lib.h
+++ b/lib.h
@@ -79,5 +79,6 @@ extern int equals(double a, double b);
typedef void (*callback)(const char*);
extern void process_directory(const char *d_name, callback fn);
extern int utf_ok;
+extern int get_user_input(char *buf, unsigned sz);
#endif
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