util: file: Remove virFileReadLink

The function is unused so we can remove it.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/libvirt_private.syms

@@ -1978,7 +1978,6 @@ virFileReadBufQuiet;
 virFileReadHeaderFD;
 virFileReadHeaderQuiet;
 virFileReadLimFD;
-virFileReadLink;
 virFileReadValueBitmap;
 virFileReadValueInt;
 virFileReadValueScaledInt;

src/util/virfile.c

@@ -81,7 +81,6 @@
 #include "virutil.h"
 
 #include "c-ctype.h"
-#include "areadlink.h"
 
 #define VIR_FROM_THIS VIR_FROM_NONE
 
@@ -1625,18 +1624,6 @@ virFileIsLink(const char *linkpath)
     return S_ISLNK(st.st_mode) != 0;
 }
 
-/*
- * Read where symlink is pointing to.
- *
- * Returns 0 on success (@linkpath is a successfully read link),
- *        -1 with errno set upon error.
- */
-int
-virFileReadLink(const char *linkpath, char **resultpath)
-{
-    return (*resultpath = areadlink(linkpath)) ? 0 : -1;
-}
-
 /*
  * Finds a requested executable file in the PATH env. e.g.:
  * "qemu-img" will return "/usr/bin/qemu-img"

src/util/virfile.h

@@ -176,9 +176,6 @@ int virFileResolveAllLinks(const char *linkpath,
 int virFileIsLink(const char *linkpath)
     ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
 
-int virFileReadLink(const char *linkpath, char **resultpath)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
-
 char *virFindFileInPath(const char *file);
 
 char *virFileFindResource(const char *filename,