[M] Change in coreboot[main]: amdfwtool: Move the function to handle_file.c

[Bao Zheng (Code Review)]

Attention is currently required from: Zheng Bao.

Hello Zheng Bao,

I'd like you to do a code review.
Please visit

https://review.coreboot.org/c/coreboot/+/78305?usp=email

to review the following change.

Change subject: amdfwtool: Move the function to handle_file.c
......................................................................

amdfwtool: Move the function to handle_file.c

Change-Id: I4cfec13cbc2a86dc352758541cce915a838e0d0f
Signed-off-by: Zheng Bao 
---
M util/amdfwtool/amdfwtool.c
M util/amdfwtool/amdfwtool.h
M util/amdfwtool/handle_file.c
3 files changed, 54 insertions(+), 52 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/05/78305/1

diff --git a/util/amdfwtool/amdfwtool.c b/util/amdfwtool/amdfwtool.c
index b071e6c..ded9acf 100644
--- a/util/amdfwtool/amdfwtool.c
+++ b/util/amdfwtool/amdfwtool.c
@@ -95,10 +95,6 @@

#define DEFAULT_SOFT_FUSE_CHAIN "0x1"

-#define EFS_FILE_SUFFIX ".efs"
-#define TMP_FILE_SUFFIX ".tmp"
-#define BODY_FILE_SUFFIX ".body"
-
 static void output_manifest(int manifest_fd, amd_fw_entry *fw_entry);

/*
@@ -1814,54 +1810,6 @@
    return 0;
 }

-static ssize_t write_body(char *output, void *body_offset, ssize_t body_size)
-{
-	char body_name[PATH_MAX], body_tmp_name[PATH_MAX];
-	int ret;
-	int fd;
-	ssize_t bytes = -1;
-
-	/* Create a tmp file and rename it at the end so that make does not get confused
-	   if amdfwtool is killed for some unexpected reasons. */
-	ret = snprintf(body_tmp_name, sizeof(body_tmp_name), "%s%s%s",
-			output, BODY_FILE_SUFFIX, TMP_FILE_SUFFIX);
-	if (ret < 0) {
-		fprintf(stderr, "Error %s forming BODY tmp file name: %d\n",
-							strerror(errno), ret);
-		return -1;
-	} else if ((unsigned int)ret >= sizeof(body_tmp_name)) {
-		fprintf(stderr, "BODY File name %d  > %zu\n", ret, sizeof(body_tmp_name));
-		return -1;
-	}
-
-	fd = open(body_tmp_name, O_RDWR | O_CREAT | O_TRUNC, 0666);
-	if (fd < 0) {
-		fprintf(stderr, "Error: Opening %s file: %s\n", body_tmp_name, strerror(errno));
-		return -1;
-	}
-
-	bytes = write_from_buf_to_file(fd, body_offset, body_size);
-	if (bytes != body_size) {
-		fprintf(stderr, "Error: Writing to file %s failed\n", body_tmp_name);
-		return -1;
-	}
-	close(fd);
-
-	/* Rename the tmp file */
-	ret = snprintf(body_name, sizeof(body_name), "%s%s", output, BODY_FILE_SUFFIX);
-	if (ret < 0) {
-		fprintf(stderr, "Error %s forming BODY file name: %d\n", strerror(errno), ret);
-		return -1;
-	}
-
-	if (rename(body_tmp_name, body_name)) {
-		fprintf(stderr, "Error: renaming file %s to %s\n", body_tmp_name, body_name);
-		return -1;
-	}
-
-	return bytes;
-}
-
 void open_process_config(char *config, amd_cb_config *cb_config, int debug)
 {
    FILE *config_handle;
diff --git a/util/amdfwtool/amdfwtool.h b/util/amdfwtool/amdfwtool.h
index 2044696..e9c158f 100644
--- a/util/amdfwtool/amdfwtool.h
+++ b/util/amdfwtool/amdfwtool.h
@@ -435,9 +435,15 @@
    	amd_fw_entry *fw_table,
    	uint64_t signed_start_addr,
    	enum platform soc_id);
+
+#define EFS_FILE_SUFFIX ".efs"
+#define TMP_FILE_SUFFIX ".tmp"
+#define BODY_FILE_SUFFIX ".body"
+
 void write_or_fail(int fd, void *ptr, size_t size);
 ssize_t read_from_file_to_buf(int fd, void *buf, size_t buf_size);
 ssize_t write_from_buf_to_file(int fd, const void *buf, size_t buf_size);
+ssize_t write_body(char *output, void *body_offset, ssize_t body_size);
 #define OK 0

#define LINE_EOF (1)
diff --git a/util/amdfwtool/handle_file.c b/util/amdfwtool/handle_file.c
index 884f1ba..2877096 100644
--- a/util/amdfwtool/handle_file.c
+++ b/util/amdfwtool/handle_file.c
@@ -82,3 +82,51 @@

return buf_size;
 }
+
+ssize_t write_body(char *output, void *body_offset, ssize_t body_size)
+{
+	char body_name[PATH_MAX], body_tmp_name[PATH_MAX];
+	int ret;
+	int fd;
+	ssize_t bytes = -1;
+
+	/* Create a tmp file and rename it at the end so that make does not get confused
+	   if amdfwtool is killed for some unexpected reasons. */
+	ret = snprintf(body_tmp_name, sizeof(body_tmp_name), "%s%s%s",
+			output, BODY_FILE_SUFFIX, TMP_FILE_SUFFIX);
+	if (ret < 0) {
+		fprintf(stderr, "Error %s forming BODY tmp file name: %d\n",
+							strerror(errno), ret);
+		return -1;
+	} else if ((unsigned int)ret >= sizeof(body_tmp_name)) {
+		fprintf(stderr, "BODY File name %d  > %zu\n", ret, sizeof(body_tmp_name));
+		return -1;
+	}
+
+	fd = open(body_tmp_name, O_RDWR | O_CREAT | O_TRUNC, 0666);
+	if (fd < 0) {
+		fprintf(stderr, "Error: Opening %s file: %s\n", body_tmp_name, strerror(errno));
+		return -1;
+	}
+
+	bytes = write_from_buf_to_file(fd, body_offset, body_size);
+	if (bytes != body_size) {
+		fprintf(stderr, "Error: Writing to file %s failed\n", body_tmp_name);
+		return -1;
+	}
+	close(fd);
+
+	/* Rename the tmp file */
+	ret = snprintf(body_name, sizeof(body_name), "%s%s", output, BODY_FILE_SUFFIX);
+	if (ret < 0) {
+		fprintf(stderr, "Error %s forming BODY file name: %d\n", strerror(errno), ret);
+		return -1;
+	}
+
+	if (rename(body_tmp_name, body_name)) {
+		fprintf(stderr, "Error: renaming file %s to %s\n", body_tmp_name, body_name);
+		return -1;
+	}
+
+	return bytes;
+}