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-rw-r--r--binutils-2.25/libiberty/filename_cmp.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/binutils-2.25/libiberty/filename_cmp.c b/binutils-2.25/libiberty/filename_cmp.c
index 9e16d242..150488cb 100644
--- a/binutils-2.25/libiberty/filename_cmp.c
+++ b/binutils-2.25/libiberty/filename_cmp.c
@@ -24,8 +24,13 @@
#include <string.h>
#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
#include "filenames.h"
#include "safe-ctype.h"
+#include "libiberty.h"
/*
@@ -190,3 +195,27 @@ filename_eq (const void *s1, const void *s2)
/* The casts are for -Wc++-compat. */
return filename_cmp ((const char *) s1, (const char *) s2) == 0;
}
+
+/*
+
+@deftypefn Extension int canonical_filename_eq (const char *@var{a}, const char *@var{b})
+
+Return non-zero if file names @var{a} and @var{b} are equivalent.
+This function compares the canonical versions of the filenames as returned by
+@code{lrealpath()}, so that so that different file names pointing to the same
+underlying file are treated as being identical.
+
+@end deftypefn
+
+*/
+
+int
+canonical_filename_eq (const char * a, const char * b)
+{
+ char * ca = lrealpath(a);
+ char * cb = lrealpath(b);
+ int res = filename_eq (ca, cb);
+ free (ca);
+ free (cb);
+ return res;
+}