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Bug 424

Summary: revcpy does not work on non-x86 platforms.
Product: SDL Reporter: Emmanuel Jeandel <ejeandel>
Component: mainAssignee: Ryan C. Gordon <icculus>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P1    
Version: HG 1.2   
Hardware: x86   
OS: Linux   

Description Emmanuel Jeandel 2007-04-28 07:56:46 UTC 
If I am not mistaken, SDL_revcpy (stdlib/SDL_string) should read

    srcp += len-1;
    dstp += len-1;
    while (len--) {
        *dstp-- = *srcp--;
    }
rather than
   srcp += len;
    dstp += len;
    while (len--) {
        *dstp-- = *srcp--;
    }
as it is in the current version.
Indeed, in the current version, revcpy copies from srcp+len to scrp+1 rather than from srcp+len-1 to srcp.

(x86 versions are not affected as they use an assembler code)
Comment 1 Ryan C. Gordon 2007-06-02 13:59:02 UTC 
Bumping a bunch of bugs to Priority 1 for consideration for the 1.2.12 release.

--ryan.
Comment 2 Ryan C. Gordon 2007-06-04 04:45:57 UTC 
Good catch!

Fixed in svn revision #3048 for the 1.2 branch, and #3049 for the 1.3 branch.

Thanks,
--ryan.