From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Sat, 15 Nov 2008 17:17:19 +0000 (+0000)
Subject: Remove emit_linelength.  The obstack knows its length.
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=b70eb7b76bac3ee3e8c8b9c1789f97e0dc2c8023;p=libfirm

Remove emit_linelength.  The obstack knows its length.

[r23687]
---

diff --git a/ir/be/beemitter.c b/ir/be/beemitter.c
index f0f24811e..62381f0a9 100644
--- a/ir/be/beemitter.c
+++ b/ir/be/beemitter.c
@@ -34,12 +34,10 @@
 
 FILE           *emit_file;
 struct obstack  emit_obst;
-int             emit_linelength;
 
 void be_emit_init(FILE *file)
 {
 	emit_file       = file;
-	emit_linelength = 0;
 	obstack_init(&emit_obst);
 }
 
@@ -83,19 +81,20 @@ void be_emit_irprintf(const char *fmt, ...)
 
 void be_emit_write_line(void)
 {
-	char *finished_line = obstack_finish(&emit_obst);
+	size_t  len  = obstack_object_size(&emit_obst);
+	char   *line = obstack_finish(&emit_obst);
 
-	fwrite(finished_line, emit_linelength, 1, emit_file);
-	emit_linelength = 0;
-	obstack_free(&emit_obst, finished_line);
+	fwrite(line, 1, len, emit_file);
+	obstack_free(&emit_obst, line);
 }
 
 void be_emit_pad_comment(void)
 {
-	while(emit_linelength <= 30) {
-		be_emit_char(' ');
-	}
-	be_emit_cstring("    ");
+	size_t len = obstack_object_size(&emit_obst);
+	if (len > 30)
+		len = 30;
+	/* 34 spaces */
+	be_emit_string_len("                                  ", 34 - len);
 }
 
 void be_emit_finish_line_gas(const ir_node *node)
diff --git a/ir/be/beemitter.h b/ir/be/beemitter.h
index 0d66d10c4..9e34c4ad5 100644
--- a/ir/be/beemitter.h
+++ b/ir/be/beemitter.h
@@ -38,7 +38,6 @@
 /* don't use the following vars directly, they're only here for the inlines */
 extern FILE           *emit_file;
 extern struct obstack  emit_obst;
-extern int             emit_linelength;
 
 /**
  * Emit a character to the (assembler) output.
@@ -48,7 +47,6 @@ extern int             emit_linelength;
 static inline void be_emit_char(char c)
 {
 	obstack_1grow(&emit_obst, c);
-	emit_linelength++;
 }
 
 /**
@@ -61,7 +59,6 @@ static inline void be_emit_char(char c)
 static inline void be_emit_string_len(const char *str, size_t l)
 {
 	obstack_grow(&emit_obst, str, l);
-	emit_linelength += l;
 }
 
 /**