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-rw-r--r--libiberty/getcwd.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/libiberty/getcwd.c b/libiberty/getcwd.c
index 06d55c0..47b1c1e 100644
--- a/libiberty/getcwd.c
+++ b/libiberty/getcwd.c
@@ -14,6 +14,9 @@ DESCRIPTION
current directory's path doesn't fit in LEN characters, the result
is NULL and errno is set.
+ If pathname is a null pointer, getcwd() will obtain size bytes of
+ space using malloc.
+
BUGS
Emulated via the getwd() call, which is reasonable for most
systems that do not have getcwd().
@@ -48,6 +51,13 @@ getcwd (buf, len)
errno = ERANGE;
return 0;
}
+ if (!buf) {
+ buf = (char*)malloc(len);
+ if (!buf) {
+ errno = ENOMEM;
+ return 0;
+ }
+ }
strcpy (buf, ourbuf);
}
return buf;