From d05ba2205fc7af481d806eab41773f970ad305cf Mon Sep 17 00:00:00 2001 From: Melissa O'Neill Date: Tue, 25 May 1999 21:04:27 -0600 Subject: [PATCH] getcwd.c (getcwd): If pathname is NULL, then obtain SIZE bytes of space using malloc. P * getcwd.c (getcwd): If pathname is NULL, then obtain SIZE bytes of space using malloc. From-SVN: r27161 --- libiberty/getcwd.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libiberty/getcwd.c b/libiberty/getcwd.c index 06d55c04f586..47b1c1eec31e 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; -- 2.47.2