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-rw-r--r--contrib/syslinux-4.02/core/fs/lib/mangle.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/core/fs/lib/mangle.c b/contrib/syslinux-4.02/core/fs/lib/mangle.c
new file mode 100644
index 0000000..813099f
--- /dev/null
+++ b/contrib/syslinux-4.02/core/fs/lib/mangle.c
@@ -0,0 +1,47 @@
+/**
+ * mangle_name:
+ *
+ * Mangle a filename pointed to by src into a buffer pointed
+ * to by dst; ends on encountering any whitespace.
+ * dst is preserved.
+ *
+ * This verifies that a filename is < FILENAME_MAX characters,
+ * doesn't contain whitespace, zero-pads the output buffer,
+ * and removes redundant slashes.
+ *
+ */
+
+#include <string.h>
+#include "fs.h"
+
+void generic_mangle_name(char *dst, const char *src)
+{
+ char *p = dst;
+ int i = FILENAME_MAX-1;
+
+ while (not_whitespace(*src)) {
+ if (*src == '/') {
+ if (src[1] == '/') {
+ src++;
+ i--;
+ continue;
+ }
+ }
+ i--;
+ *dst++ = *src++;
+ }
+
+ while (1) {
+ if (dst == p)
+ break;
+ if (dst[-1] != '/')
+ break;
+
+ dst--;
+ i++;
+ }
+
+ i++;
+ for (; i > 0; i --)
+ *dst++ = '\0';
+}