Merge pull request #1852 from silvergasp/mem_s

fix: Replace device calls to memcpy with tu_memcpy_s

1 files changed, 23 insertions, 0 deletions

diff --git a/src/common/tusb_common.h b/src/common/tusb_common.h
index 270339cca..957491aa9 100644
--- a/src/common/tusb_common.h
+++ b/src/common/tusb_common.h
@@ -98,6 +98,29 @@ TU_ATTR_WEAK extern void* tusb_app_phys_to_virt(void *phys_addr);
 #define tu_memclr(buffer, size)  memset((buffer), 0, (size))
 #define tu_varclr(_var)          tu_memclr(_var, sizeof(*(_var)))
 
+// This is a backport of memset_s from c11
+TU_ATTR_ALWAYS_INLINE static inline int tu_memset_s(void *dest, size_t destsz, int ch, size_t count)
+{
+  // TODO may check if desst and src is not NULL
+  if (count > destsz) {
+    return -1;
+  }
+  memset(dest, ch, count);
+  return 0;
+}
+
+// This is a backport of memcpy_s from c11
+TU_ATTR_ALWAYS_INLINE static inline int tu_memcpy_s(void *dest, size_t destsz, const void * src, size_t count )
+{
+  // TODO may check if desst and src is not NULL
+  if (count > destsz) {
+    return -1;
+  }
+  memcpy(dest, src, count);
+  return 0;
+}
+
+
 //------------- Bytes -------------//
 TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_u32(uint8_t b3, uint8_t b2, uint8_t b1, uint8_t b0)
 {