[update] os

laos/src/util/filepath.c

@@ -0,0 +1,71 @@
+#include "defs.h"
+
+//
+// bnm should be large enough to hold basename
+//
+char *basename(char *bnm, const char *path) {
+    const char *p = path;
+    const char *last_slash = NULL;
+    while (*p) {
+        if (*p == '/' || *p == '\\') {
+            last_slash = p;
+        }
+        p++;
+    }
+
+    char *q = bnm;
+    p = last_slash + 1;
+    while (*p) {
+        *q++ = *p++;
+    }
+
+    return bnm;
+}
+
+//
+// noext should be large enough to hold no-ext name
+//
+char *rmext(char *noext, const char *fname) {
+    const char *p = fname;
+    const char *last_dot = NULL;
+    while (*p) {
+        if (*p == '.') {
+            last_dot = p;
+        }
+        p++;
+    }
+
+    char *q = noext;
+    p = fname;
+    while (p != last_dot) {
+        *q++ = *p++;
+    }
+
+    return noext;
+}
+
+
+//
+// bnm should be large enough to hold bearname name
+//
+char *bearname(char *bnm, const char *fname) {
+    const char *p = fname;
+    const char *last_slash = NULL;
+    const char *last_dot = NULL;
+    while (*p) {
+        if (*p == '/' || *p == '\\') {
+            last_slash = p;
+        } else if (*p == '.') {
+            last_dot = p;
+        }
+        p++;
+    }
+
+    char *q = bnm;
+    p = last_slash + 1;
+    while (p != last_dot) {
+        *q++ = *p++;
+    }
+
+    return bnm;
+}