Date: Mon, 16 Sep 2019 20:26:53 +0000 (UTC) From: Toomas Soome <tsoome@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r352420 - head/stand/forth Message-ID: <201909162026.x8GKQreB063974@repo.freebsd.org>
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Author: tsoome Date: Mon Sep 16 20:26:53 2019 New Revision: 352420 URL: https://svnweb.freebsd.org/changeset/base/352420 Log: loader_4th: scan_buffer can leave empty string on stack When the file processing is done, we will have string with lenght 0 in stack and we will attempt to allocate 0 bytes. Modified: head/stand/forth/support.4th Modified: head/stand/forth/support.4th ============================================================================== --- head/stand/forth/support.4th Mon Sep 16 18:40:27 2019 (r352419) +++ head/stand/forth/support.4th Mon Sep 16 20:26:53 2019 (r352420) @@ -363,6 +363,7 @@ variable fd ; : line_buffer_resize ( len -- len ) + dup 0= if exit then >r line_buffer .len @ if line_buffer .addr @ @@ -376,6 +377,7 @@ variable fd ; : append_to_line_buffer ( addr len -- ) + dup 0= if 2drop exit then line_buffer strget 2swap strcat line_buffer .len !
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