[PATCH 2/3] Move get_max_fd_limit(void) to git_compat_util.h

[Stefan Beller <sbeller@google.com>]

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 git-compat-util.h |  1 +
 sha1_file.c       | 41 -----------------------------------------
 wrapper.c         | 41 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 41 deletions(-)

diff --git a/git-compat-util.h b/git-compat-util.h
index bc8fc8c..2c55ca7 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -675,6 +675,7 @@ extern int xmkstemp_mode(char *template, int mode);
 extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
 extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1);
 extern char *xgetcwd(void);
+extern unsigned int get_max_fd_limit(void);
 
 #define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), (alloc) * sizeof(*(x)))
 
diff --git a/sha1_file.c b/sha1_file.c
index 88f06ba..1f2519c 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -870,47 +870,6 @@ void free_pack_by_name(const char *pack_name)
 	}
 }
 
-static unsigned int get_max_fd_limit(void)
-{
-#ifdef RLIMIT_NOFILE
-	{
-		struct rlimit lim;
-
-		if (!getrlimit(RLIMIT_NOFILE, &lim))
-			return lim.rlim_cur;
-	}
-#endif
-
-#ifdef _SC_OPEN_MAX
-	{
-		long open_max = sysconf(_SC_OPEN_MAX);
-		if (0 < open_max)
-			return open_max;
-		/*
-		 * Otherwise, we got -1 for one of the two
-		 * reasons:
-		 *
-		 * (1) sysconf() did not understand _SC_OPEN_MAX
-		 *     and signaled an error with -1; or
-		 * (2) sysconf() said there is no limit.
-		 *
-		 * We _could_ clear errno before calling sysconf() to
-		 * tell these two cases apart and return a huge number
-		 * in the latter case to let the caller cap it to a
-		 * value that is not so selfish, but letting the
-		 * fallback OPEN_MAX codepath take care of these cases
-		 * is a lot simpler.
-		 */
-	}
-#endif
-
-#ifdef OPEN_MAX
-	return OPEN_MAX;
-#else
-	return 1; /* see the caller ;-) */
-#endif
-}
-
 /*
  * Do not call this directly as this leaks p->pack_fd on error return;
  * call open_packed_git() instead.
diff --git a/wrapper.c b/wrapper.c
index d5a6cef..493bf6f 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -303,6 +303,47 @@ ssize_t pread_in_full(int fd, void *buf, size_t count, off_t offset)
 	return total;
 }
 
+unsigned int get_max_fd_limit(void)
+{
+#ifdef RLIMIT_NOFILE
+	{
+		struct rlimit lim;
+
+		if (!getrlimit(RLIMIT_NOFILE, &lim))
+			return lim.rlim_cur;
+	}
+#endif
+
+#ifdef _SC_OPEN_MAX
+	{
+		long open_max = sysconf(_SC_OPEN_MAX);
+		if (0 < open_max)
+			return open_max;
+		/*
+		 * Otherwise, we got -1 for one of the two
+		 * reasons:
+		 *
+		 * (1) sysconf() did not understand _SC_OPEN_MAX
+		 *     and signaled an error with -1; or
+		 * (2) sysconf() said there is no limit.
+		 *
+		 * We _could_ clear errno before calling sysconf() to
+		 * tell these two cases apart and return a huge number
+		 * in the latter case to let the caller cap it to a
+		 * value that is not so selfish, but letting the
+		 * fallback OPEN_MAX codepath take care of these cases
+		 * is a lot simpler.
+		 */
+	}
+#endif
+
+#ifdef OPEN_MAX
+	return OPEN_MAX;
+#else
+	return 1; /* see the caller ;-) */
+#endif
+}
+
 int xdup(int fd)
 {
 	int ret = dup(fd);
-- 
2.3.0.81.gc37f363