lineedit: improvements to tab completion

Since getpwent isn't implemented for WIN32 there's no point in
enabling FEATURE_USERNAME_COMPLETION.

Use case-insensitive comparisons when matching filenames.

The code to exclude non-executables when tab completing executables
is WIN32-specific and shouldn't omit directories.

1 files changed, 13 insertions, 0 deletions

diff --git a/libbb/compare_string_array.c b/libbb/compare_string_array.c
index 01a9df0e2..7ccdaef8a 100644
--- a/libbb/compare_string_array.c
+++ b/libbb/compare_string_array.c
@@ -27,6 +27,19 @@ char* FAST_FUNC is_prefixed_with(const char *string, const char *key)
 #endif
 }
 
+#if ENABLE_PLATFORM_MINGW32
+char* FAST_FUNC is_prefixed_with_case(const char *string, const char *key)
+{
+        while (*key != '\0') {
+                if (tolower(*key) != tolower(*string))
+                        return NULL;
+                key++;
+                string++;
+        }
+        return (char*)string;
+}
+#endif
+
 /*
  * Return NULL if string is not suffixed with key. Return pointer to the
  * beginning of prefix key in string. If key is an empty string return pointer