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-rw-r--r--package/busybox/busybox-1.7.0-readlink.patch107
1 files changed, 107 insertions, 0 deletions
diff --git a/package/busybox/busybox-1.7.0-readlink.patch b/package/busybox/busybox-1.7.0-readlink.patch
new file mode 100644
index 000000000..56596336f
--- /dev/null
+++ b/package/busybox/busybox-1.7.0-readlink.patch
@@ -0,0 +1,107 @@
+diff -urN busybox-1.7.0/applets/applets.c busybox-1.7.0-readlink/applets/applets.c
+--- busybox-1.7.0/applets/applets.c 2007-08-24 11:50:02.000000000 +0100
++++ busybox-1.7.0-readlink/applets/applets.c 2007-09-06 17:41:38.000000000 +0100
+@@ -546,7 +546,7 @@
+ help:
+ output_width = 80;
+ if (ENABLE_FEATURE_AUTOWIDTH) {
+- /* Obtain the terminal width. */
++ /* Obtain the terminal width */
+ get_terminal_width_height(0, &output_width, NULL);
+ }
+ /* leading tab and room to wrap */
+@@ -580,12 +580,11 @@
+
+ if (ENABLE_FEATURE_INSTALLER && strcmp(argv[1], "--install") == 0) {
+ const char *busybox;
+- busybox = xmalloc_readlink_or_warn(bb_busybox_exec_path);
++ busybox = xmalloc_readlink(bb_busybox_exec_path);
+ if (!busybox)
+ busybox = bb_busybox_exec_path;
+ /* -s makes symlinks */
+- install_links(busybox,
+- argv[2] && strcmp(argv[2], "-s") == 0);
++ install_links(busybox, argv[2] && strcmp(argv[2], "-s") == 0);
+ return 0;
+ }
+
+diff -urN busybox-1.7.0/include/libbb.h busybox-1.7.0-readlink/include/libbb.h
+--- busybox-1.7.0/include/libbb.h 2007-08-24 11:49:55.000000000 +0100
++++ busybox-1.7.0-readlink/include/libbb.h 2007-09-06 17:41:38.000000000 +0100
+@@ -248,9 +248,10 @@
+ DIR *xopendir(const char *path);
+ DIR *warn_opendir(const char *path);
+
+-char *xrealloc_getcwd_or_warn(char *cwd);
++/* UNUSED: char *xmalloc_realpath(const char *path); */
++char *xmalloc_readlink(const char *path);
+ char *xmalloc_readlink_or_warn(const char *path);
+-char *xmalloc_realpath(const char *path);
++char *xrealloc_getcwd_or_warn(char *cwd);
+
+
+ //TODO: signal(sid, f) is the same? then why?
+@@ -316,8 +317,8 @@
+ };
+ /* Create stream socket, and allocate suitable lsa.
+ * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6))
+- * af == AF_UNSPEC will result in trying to create IPv6, and
+- * if kernel doesn't support it, IPv4.
++ * af == AF_UNSPEC will result in trying to create IPv6 socket,
++ * and if kernel doesn't support it, IPv4.
+ */
+ int xsocket_type(len_and_sockaddr **lsap, USE_FEATURE_IPV6(int af,) int sock_type);
+ int xsocket_stream(len_and_sockaddr **lsap);
+diff -urN busybox-1.7.0/libbb/xreadlink.c busybox-1.7.0-readlink/libbb/xreadlink.c
+--- busybox-1.7.0/libbb/xreadlink.c 2007-08-24 11:49:51.000000000 +0100
++++ busybox-1.7.0-readlink/libbb/xreadlink.c 2007-09-06 17:41:38.000000000 +0100
+@@ -10,8 +10,7 @@
+ * NOTE: This function returns a malloced char* that you will have to free
+ * yourself. You have been warned.
+ */
+-
+-char *xmalloc_readlink_or_warn(const char *path)
++char *xmalloc_readlink(const char *path)
+ {
+ enum { GROWBY = 80 }; /* how large we will grow strings by */
+
+@@ -20,20 +19,30 @@
+
+ do {
+ buf = xrealloc(buf, bufsize += GROWBY);
+- readsize = readlink(path, buf, bufsize); /* 1st try */
++ readsize = readlink(path, buf, bufsize);
+ if (readsize == -1) {
+- bb_perror_msg("%s", path);
+ free(buf);
+ return NULL;
+ }
+- }
+- while (bufsize < readsize + 1);
++ } while (bufsize < readsize + 1);
+
+ buf[readsize] = '\0';
+
+ return buf;
+ }
+
++char *xmalloc_readlink_or_warn(const char *path)
++{
++ char *buf = xmalloc_readlink(path);
++ if (!buf) {
++ /* EINVAL => "file: Invalid argument" => puzzled user */
++ bb_error_msg("%s: cannot read link (not a symlink?)", path);
++ }
++ return buf;
++}
++
++/* UNUSED */
++#if 0
+ char *xmalloc_realpath(const char *path)
+ {
+ #if defined(__GLIBC__) && !defined(__UCLIBC__)
+@@ -46,3 +55,4 @@
+ return xstrdup(realpath(path, buf));
+ #endif
+ }
++#endif