Change in flashrom[staging]: Adapt CLI to use new libflashrom interface' print callback

[David Hendricks (Code Review)]

Hello Nico Huber,

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

https://review.coreboot.org/19192

to review the following change.

Change subject: Adapt CLI to use new libflashrom interface' print callback
......................................................................

Adapt CLI to use new libflashrom interface' print callback

This renames CLI's print() to fl_print_cb() and registers it through the
new libflashrom interface.

Change-Id: I02c0611ebe9560dd589bd3075e2a5c4b03a0e3ba
Signed-off-by: Nico Huber 
---
M cli_classic.c
M cli_output.c
M flash.h
3 files changed, 11 insertions(+), 7 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/92/19192/1

diff --git a/cli_classic.c b/cli_classic.c
index a2c2014..ac4c6f8 100644
--- a/cli_classic.c
+++ b/cli_classic.c
@@ -30,6 +30,7 @@
 #include "flash.h"
 #include "flashchips.h"
 #include "programmer.h"
+#include "libflashrom.h"

static void cli_classic_usage(const char *name)
 {
@@ -135,6 +136,8 @@
    char *tempstr = NULL;
    char *pparam = NULL;

+	fl_set_log_callback((fl_log_callback_t *)&fl_print_cb);
+
    print_version();
    print_banner();

diff --git a/cli_output.c b/cli_output.c
index feafbd2..2805dec 100644
--- a/cli_output.c
+++ b/cli_output.c
@@ -71,19 +71,19 @@
 #endif /* !STANDALONE */

/* Please note that level is the verbosity, not the importance of the message. */
-int print(enum msglevel level, const char *fmt, ...)
+int fl_print_cb(enum msglevel level, const char *fmt, va_list ap)
 {
-	va_list ap;
    int ret = 0;
    FILE *output_type = stdout;
+
+	va_list logfile_args;
+	va_copy(logfile_args, ap);

if (level < MSG_INFO)
    	output_type = stderr;

if (level <= verbose_screen) {
-		va_start(ap, fmt);
    	ret = vfprintf(output_type, fmt, ap);
-		va_end(ap);
    	/* msg_*spew often happens inside chip accessors in possibly
    	 * time-critical operations. Don't slow them down by flushing. */
    	if (level != MSG_SPEW)
@@ -91,12 +91,11 @@
    }
 #ifndef STANDALONE
    if ((level <= verbose_logfile) && logfile) {
-		va_start(ap, fmt);
-		ret = vfprintf(logfile, fmt, ap);
-		va_end(ap);
+		ret = vfprintf(logfile, fmt, logfile_args);
    	if (level != MSG_SPEW)
    		fflush(logfile);
    }
 #endif /* !STANDALONE */
+	va_end(logfile_args);
    return ret;
 }
diff --git a/flash.h b/flash.h
index 5544160..3afa846 100644
--- a/flash.h
+++ b/flash.h
@@ -30,6 +30,7 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <stddef.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #if IS_WINDOWS
 #include <windows.h>
@@ -319,6 +320,7 @@
    MSG_DEBUG2	= 4,
    MSG_SPEW	= 5,
 };
+int fl_print_cb(enum msglevel level, const char *fmt, va_list ap);
 /* Let gcc and clang check for correct printf-style format strings. */
 int print(enum msglevel level, const char *fmt, ...)
 #ifdef __MINGW32__