1 files changed, 46 insertions, 0 deletions
diff --git a/rushs/evalexpr/simple_fnmatch/simple_fnmatch.c b/rushs/evalexpr/simple_fnmatch/simple_fnmatch.c
new file mode 100644
index 0000000..d40353f
--- /dev/null
+++ b/rushs/evalexpr/simple_fnmatch/simple_fnmatch.c
@@ -0,0 +1,46 @@
+#include "simple_fnmatch.h"
+
+int simple_fnmatch(const char *pattern, const char *string)
+{
+    if (!pattern || !string)
+        return FNM_NOMATCH;
+    if (*pattern == '*' && pattern[1] == '\0')
+        return 0;
+    while (*pattern && *string)
+    {
+        if (*pattern == '?')
+        {
+            pattern++;
+            string++;
+        }
+        else if (*pattern == '\\')
+        {
+            pattern++;
+            if (!pattern || *pattern != *string)
+                return FNM_NOMATCH;
+            string++;
+            pattern++;
+        }
+        else if (*pattern == '*')
+        {
+            pattern++;
+            while (*string && simple_fnmatch(pattern, string))
+                string++;
+            if (*string)
+                return 0;
+        }
+        else if (*pattern != *string)
+            return FNM_NOMATCH;
+        else
+        {
+            string++;
+            pattern++;
+        }
+    }
+
+    if (*pattern == '*' && pattern[1] == '\0')
+        return 0;
+    if (*string || *pattern)
+        return FNM_NOMATCH;
+    return 0;
+}