Compare buffers in diff example

1 files changed, 9 insertions, 1 deletions

diff --git a/examples/common.h b/examples/common.h
index c1d444e1d..204b17595 100644
--- a/examples/common.h
+++ b/examples/common.h
@@ -64,6 +64,14 @@ extern int lg2_tag(git_repository *repo, int argc, char **argv);
 extern void check_lg2(int error, const char *message, const char *extra);
 
 /**
+ * Read a file into a buffer
+ *
+ * @param path The path to the file that shall be read
+ * @return NUL-terminated buffer if the file was successfully read, NULL-pointer otherwise
+ */
+extern char *read_file(const char *path);
+
+/**
  * Exit the program, printing error to stderr
  */
 extern void fatal(const char *message, const char *extra);
@@ -89,7 +97,7 @@ struct args_info {
 /**
  * Check current `args` entry against `opt` string.  If it matches
  * exactly, take the next arg as a string; if it matches as a prefix with
- * an equal sign, take the remainder as a string; if value not supplied, 
+ * an equal sign, take the remainder as a string; if value not supplied,
  * default value `def` will be given. otherwise return 0.
  */
 extern int optional_str_arg(