fixed tiny_interpose crashing issue

Author: Antibioticss

src/interpose.c

@@ -61,8 +61,8 @@ int tiny_interpose(uint32_t image_index, const char *symbol_name, void *replacem
         void **sym_ptrs = (void *)sym_sec->addr + image_slide;
         uint32_t *indirect_sym_entry = indirect_sym_tbl + sym_sec->reserved1; // reserved1 is an index!
         int nptrs = sym_sec->size / sizeof(void *);
-        for (int i = 0; i < nptrs; i++) {
-            uint32_t symtab_index = indirect_sym_entry[i];
+        for (int j = 0; j < nptrs; j++) {
+            uint32_t symtab_index = indirect_sym_entry[j];
             if (symtab_index == INDIRECT_SYMBOL_LOCAL ||
                 symtab_index == (INDIRECT_SYMBOL_LOCAL | INDIRECT_SYMBOL_ABS)) {
                 continue;
@@ -74,7 +74,7 @@ int tiny_interpose(uint32_t image_index, const char *symbol_name, void *replacem
                                           VM_PROT_READ | VM_PROT_WRITE | VM_PROT_COPY);
                     if (err != 0) goto exit;
                 }
-                sym_ptrs[i] = replacement;
+                sym_ptrs[j] = replacement;
                 goto exit;
             }
         }

src/private.h

@@ -4,16 +4,16 @@
 #include <TargetConditionals.h>
 
 #include <mach/mach_init.h> // mach_task_self()
-#if TARGET_OS_IPHONE
+#if TARGET_OS_OSX
+    #include <mach/mach_vm.h> // mach_vm_*
+#elif TARGET_OS_IOS
     #include <mach/vm_map.h> // vm_*
     #define mach_vm_address_t  vm_address_t
     #define mach_vm_allocate   vm_allocate
     #define mach_vm_deallocate vm_deallocate
     #define mach_vm_read       vm_read
     #define mach_vm_write      vm_write
     #define mach_vm_protect    vm_protect
-#elif TARGET_OS_MAC
-    #include <mach/mach_vm.h> // mach_vm_*
 #endif
 
 #ifdef COMPACT