Add xrealpath() at suggestion of Ashish Briggers.

2 files changed, 9 insertions, 0 deletions

diff --git a/lib/lib.c b/lib/lib.c
index 1b5488ef..612c29e1 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -345,6 +345,14 @@ char *xabspath(char *path)
 	return path;
 }
 
+// Resolve all symlinks, returning malloc() memory.
+char *xrealpath(char *path)
+{
+	char *new = realpath(path, NULL);
+	if (!new) perror_exit("realpath '%s'", path);
+	return new;
+}
+
 void xchdir(char *path)
 {
 	if (chdir(path)) error_exit("chdir '%s'", path);
diff --git a/lib/lib.h b/lib/lib.h
index b5292b85..5a184ccf 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -116,6 +116,7 @@ char *xreadfile(char *name);
 char *xgetcwd(void);
 void xstat(char *path, struct stat *st);
 char *xabspath(char *path);
+char *xrealpath(char *path);
 void xchdir(char *path);
 void xmkpath(char *path, int mode);
 void xsetuid(uid_t uid);