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[settings] Rewrite unrelicensable portions of settings.c

Signed-off-by: Michael Brown <mcb30@ipxe.org>
tags/v1.20.1
Michael Brown 9 years ago
parent
commit
70124dd3be
1 changed files with 13 additions and 6 deletions
  1. 13
    6
      src/core/settings.c

+ 13
- 6
src/core/settings.c View File

@@ -15,9 +15,13 @@
15 15
  * along with this program; if not, write to the Free Software
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  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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  * 02110-1301, USA.
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+ *
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+ * You can also choose to distribute this program under the terms of
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+ * the Unmodified Binary Distribution Licence (as given in the file
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+ * COPYING.UBDL), provided that you have satisfied its requirements.
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  */
19 23
 
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-FILE_LICENCE ( GPL2_OR_LATER );
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+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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 #include <stdint.h>
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 #include <stdlib.h>
@@ -337,17 +341,20 @@ struct settings * autovivify_child_settings ( struct settings *parent,
337 341
  */
338 342
 const char * settings_name ( struct settings *settings ) {
339 343
 	static char buf[16];
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-	char tmp[ sizeof ( buf ) ];
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+	char tmp[ 1 /* '.' */ + sizeof ( buf ) ];
341 345
 
342 346
 	/* Find target settings block */
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 	settings = settings_target ( settings );
344 348
 
345 349
 	/* Construct name */
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-	for ( buf[2] = buf[0] = 0 ; settings ; settings = settings->parent ) {
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-		memcpy ( tmp, buf, sizeof ( tmp ) );
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-		snprintf ( buf, sizeof ( buf ), ".%s%s", settings->name, tmp );
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+	buf[0] = '\0';
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+	tmp[0] = '\0';
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+	for ( ; settings->parent ; settings = settings->parent ) {
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+		memcpy ( ( tmp + 1 ), buf, ( sizeof ( tmp ) - 1 ) );
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+		snprintf ( buf, sizeof ( buf ), "%s%s", settings->name, tmp );
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+		tmp[0] = '.';
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 	}
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-	return ( buf + 2 );
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+	return buf;
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 }
352 359
 
353 360
 /**

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