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authorRob Landley <rob@landley.net>2012-06-01 13:50:41 -0500
committerRob Landley <rob@landley.net>2012-06-01 13:50:41 -0500
commiteec463764dbc2e83325695583a1b73bebc492a9e (patch)
tree645d3218ffdeb8293b7ba4f3b69466a69563382f
parent44785cd0821e909b1086c2368fe5d5bf742eca6f (diff)
downloadtoybox-eec463764dbc2e83325695583a1b73bebc492a9e.tar.gz
Add xrealpath() at suggestion of Ashish Briggers.
-rw-r--r--lib/lib.c8
-rw-r--r--lib/lib.h1
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);