enhanced path sanitizing

mongoose.h

@@ -256,30 +256,30 @@ static inline int mg_mkdir(const char *path, mode_t mode) {
 #include <pico/stdlib.h>
 int mkdir(const char *, mode_t);
 #endif
-
-
-#if MG_ARCH == MG_ARCH_RTTHREAD
-
-#include <rtthread.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <sys/select.h>
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <time.h>
-
-#ifndef MG_IO_SIZE
-#define MG_IO_SIZE 1460
-#endif
-
-#endif // MG_ARCH == MG_ARCH_RTTHREAD
+
+
+#if MG_ARCH == MG_ARCH_RTTHREAD
+
+#include <rtthread.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/select.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <time.h>
+
+#ifndef MG_IO_SIZE
+#define MG_IO_SIZE 1460
+#endif
+
+#endif // MG_ARCH == MG_ARCH_RTTHREAD
 
 
 #if MG_ARCH == MG_ARCH_ARMCC || MG_ARCH == MG_ARCH_CMSIS_RTOS1 || \
@@ -859,7 +859,7 @@ char *mg_hex(const void *buf, size_t len, char *dst);
 void mg_unhex(const char *buf, size_t len, unsigned char *to);
 unsigned long mg_unhexn(const char *s, size_t len);
 int mg_check_ip_acl(struct mg_str acl, uint32_t remote_ip);
-char *mg_remove_double_dots(char *s);
+bool mg_path_is_sane(const char *path);