memory-stream: Factor out memory-stream related code to a new file

Signed-off-by: Joshua Ashton <joshua@froggi.es>

include/memory-stream.h

@@ -0,0 +1,24 @@
+#ifndef MEMORY_STREAM_H
+#define MEMORY_STREAM_H
+
+/**
+ * Utility functions for memory streams.
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+struct memory_stream {
+	FILE *fp;
+	char *str;
+	size_t str_len;
+};
+
+bool
+memory_stream_open(struct memory_stream *m);
+
+char *
+memory_stream_close(struct memory_stream *m);
+
+#endif

info.c

@@ -7,6 +7,7 @@
 #include "edid.h"
 #include "info.h"
 #include "log.h"
+#include "memory-stream.h"
 
 /* Generated file pnp-id-table.c: */
 const char *
@@ -76,39 +77,6 @@ di_info_get_failure_msg(const struct di_info *info)
 	return info->failure_msg;
 }
 
-struct memory_stream {
-	FILE *fp;
-	char *str;
-	size_t str_len;
-};
-
-static bool
-memory_stream_open(struct memory_stream *m)
-{
-	*m = (struct memory_stream){ 0 };
-	m->fp = open_memstream(&m->str, &m->str_len);
-
-	return m->fp != NULL;
-}
-
-static char *
-memory_stream_close(struct memory_stream *m)
-{
-	char *str;
-	int ret;
-
-	ret = fclose(m->fp);
-	str = m->str;
-	*m = (struct memory_stream){ 0 };
-
-	if (ret != 0) {
-		free(str);
-		str = NULL;
-	}
-
-	return str;
-}
-
 static void
 encode_ascii_byte(FILE *out, char ch)
 {

memory-stream.c

@@ -0,0 +1,30 @@
+#include <stdlib.h>
+
+#include "memory-stream.h"
+
+bool
+memory_stream_open(struct memory_stream *m)
+{
+	*m = (struct memory_stream){ 0 };
+	m->fp = open_memstream(&m->str, &m->str_len);
+
+	return m->fp != NULL;
+}
+
+char *
+memory_stream_close(struct memory_stream *m)
+{
+	char *str;
+	int ret;
+
+	ret = fclose(m->fp);
+	str = m->str;
+	*m = (struct memory_stream){ 0 };
+
+	if (ret != 0) {
+		free(str);
+		str = NULL;
+	}
+
+	return str;
+}

meson.build

@@ -57,6 +57,7 @@ di_lib = library(
 		'gtf.c',
 		'info.c',
 		'log.c',
+		'memory-stream.c',
 		pnp_id_table,
 	],
 	include_directories: include_directories('include'),