From 1f1cfa864d07fc596e449bf079ab3c03818fa442 Mon Sep 17 00:00:00 2001
From: Joel Rosdahl <joel@rosdahl.net>
Date: Tue, 5 Oct 2010 22:39:50 +0200
Subject: [PATCH] Add size hint to read_text_file()

---
 ccache.h             | 2 +-
 stats.c              | 2 +-
 test/test_lockfile.c | 2 +-
 util.c               | 6 +++---
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/ccache.h b/ccache.h
index 1c8e5777d..9db24f810 100644
--- a/ccache.h
+++ b/ccache.h
@@ -140,7 +140,7 @@ bool is_full_path(const char *path);
 void update_mtime(const char *path);
 int x_rename(const char *oldpath, const char *newpath);
 char *x_readlink(const char *path);
-char *read_text_file(const char *path);
+char *read_text_file(const char *path, size_t size_hint);
 bool read_file(const char *path, size_t size_hint, char **data, size_t *size);
 #ifndef HAVE_STRTOK_R
 char *strtok_r(char *str, const char *delim, char **saveptr);
diff --git a/stats.c b/stats.c
index 1494007f6..ac6d1008c 100644
--- a/stats.c
+++ b/stats.c
@@ -178,7 +178,7 @@ stats_update_size(enum stats stat, size_t size, unsigned files)
 void
 stats_read(const char *sfile, struct counters *counters)
 {
-	char *data = read_text_file(sfile);
+	char *data = read_text_file(sfile, 1024);
 	if (data) {
 		parse_stats(counters, data);
 	} else {
diff --git a/test/test_lockfile.c b/test/test_lockfile.c
index ec9889494..9af995f97 100644
--- a/test/test_lockfile.c
+++ b/test/test_lockfile.c
@@ -59,7 +59,7 @@ TEST(lock_breaking)
 	CHECK(lockfile_acquire("test", 1000));
 
 #ifdef _WIN32
-	p = read_text_file("test.lock");
+	p = read_text_file("test.lock", 0);
 #else
 	p = x_readlink("test.lock");
 #endif
diff --git a/util.c b/util.c
index 814a83877..ae07da11e 100644
--- a/util.c
+++ b/util.c
@@ -1161,15 +1161,15 @@ read_file(const char *path, size_t size_hint, char **data, size_t *size)
 
 /*
  * Return the content (with NUL termination) of a text file, or NULL on error.
- * Caller frees.
+ * Caller frees. Size hint 0 means no hint.
  */
 char *
-read_text_file(const char *path)
+read_text_file(const char *path, size_t size_hint)
 {
 	size_t size;
 	char *data;
 
-	if (read_file(path, 0, &data, &size)) {
+	if (read_file(path, size_hint, &data, &size)) {
 		data = x_realloc(data, size + 1);
 		data[size] = '\0';
 		return data;
-- 
2.47.3