CryptoPkg/CrtLibSupport: add secure_getenv() stub function

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / SysCall / CrtWrapper.c

diff --git a/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c b/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c
index 20c96563d270389d9133707d5ac8ad32a29df581..9510a4a383e6450d501ab46a9fabb6eace403038 100644 (file)
--- a/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c
+++ b/CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c
@@ -361,6 +361,19 @@ char *getenv (const char *varname)
   return NULL;\r
 }\r
 \r
   return NULL;\r
 }\r
 \r

+/* Get a value from the current environment */\r
+char *secure_getenv (const char *varname)\r
+{\r
+  //\r
+  // Null secure_getenv() function implementation to satisfy the linker, since\r
+  // there is no direct functionality logic dependency in present UEFI cases.\r
+  //\r
+  // From the secure_getenv() manual: 'just like getenv() except that it\r
+  // returns NULL in cases where "secure execution" is required'.\r
+  //\r
+  return NULL;\r
+}\r
+\r

 //\r
 // -- Stream I/O Routines --\r
 //\r
 //\r
 // -- Stream I/O Routines --\r
 //\r