[edk2-devel] [edk2-libc Patch 1/1] ek2-libc: realpath function signature doesn't match the standard

["Jayaprakash, N" <n.jayaprakash@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4574

This commit is for processing the below PR on edk2-libc repo
https://github.com/tianocore/edk2-libc/pull/10
The realpath function signature in stdlib of edk2-libc doesn't match
signature as per the standard definition of this function given below
https://pubs.opengroup.org/onlinepubs/009695399/functions/realpath.html
This patch extracted from the above pull request fixes this issue.

Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Jayaprakash N <n.jayaprakash@intel.com>
Signed-off-by: Kloper Dimitry <dimitry.kloper@intel.com>
---
 StdLib/Include/stdlib.h       | 4 ++--
 StdLib/LibC/StdLib/realpath.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/StdLib/Include/stdlib.h b/StdLib/Include/stdlib.h
index 0b9dfd3..022ddbd 100644
--- a/StdLib/Include/stdlib.h
+++ b/StdLib/Include/stdlib.h
@@ -74,7 +74,7 @@
                            const wchar_t * __restrict src, size_t limit);
 
     ################  Miscelaneous functions for *nix compatibility
-    char       *realpath    (char *file_name, char *resolved_name);
+    char       *realpath    (const char *file_name, char *resolved_name);
     const char *getprogname (void);
     void        setprogname (const char *progname);
 
@@ -875,7 +875,7 @@ size_t  wcstombs(char * __restrict Dest, const wchar_t * __restrict Src, size_t
     @retval NULL                    An error occured.
     @retval resolved_name.
 **/
-char * realpath(char *file_name, char *resolved_name);
+char * realpath(const char *file_name, char *resolved_name);
 
 /** The getprogname() function returns the name of the program.  If the name
     has not been set yet, it will return NULL.
diff --git a/StdLib/LibC/StdLib/realpath.c b/StdLib/LibC/StdLib/realpath.c
index 3d4118d..29abe9a 100644
--- a/StdLib/LibC/StdLib/realpath.c
+++ b/StdLib/LibC/StdLib/realpath.c
@@ -34,7 +34,7 @@
 **/
 char *
 realpath(
-  char *file_name,
+  const char *file_name,
   char *resolved_name
   )
 {
-- 
2.40.0.windows.1



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