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mysqltest: Fix reversed error check, causing truncated output when testcase fails.

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Also fix missing zero termination in DBUG_PRINT, causing garbage output
in --debug output.
This commit is contained in:
unknown 2010-10-29 09:56:45 +02:00
parent 4cb9a326cf
commit c6b19ea001
1 changed files with 6 additions and 5 deletions
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11
client/mysqltest.cc
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@ -609,14 +609,14 @@ public:
lines++;
int show_offset= 0;
char buf[256];
char buf[256+1]; /* + zero termination for DBUG_PRINT */
size_t bytes;
bool found_bof= false;
/* Search backward in file until "lines" newline has been found */
while (lines && !found_bof)
{
show_offset-= sizeof(buf);
show_offset-= sizeof(buf)-1;
while(fseek(m_file, show_offset, SEEK_END) != 0 && show_offset < 0)
{
found_bof= true;
@ -624,7 +624,7 @@ public:
show_offset++;
}
if ((bytes= fread(buf, 1, sizeof(buf), m_file)) <= 0)
if ((bytes= fread(buf, 1, sizeof(buf)-1, m_file)) <= 0)
{
// ferror=0 will happen here if no queries executed yet
if (ferror(m_file))
@ -634,6 +634,7 @@ public:
DBUG_VOID_RETURN;
}
IF_DBUG(buf[bytes]= '\0';)
DBUG_PRINT("info", ("Read %lu bytes from file, buf: %s",
(unsigned long)bytes, buf));
@ -678,8 +679,8 @@ public:
}
}
while ((bytes= fread(buf, 1, sizeof(buf), m_file)) > 0)
if (fwrite(buf, 1, bytes, stderr))
while ((bytes= fread(buf, 1, sizeof(buf)-1, m_file)) > 0)
if (bytes != fwrite(buf, 1, bytes, stderr))
die("Failed to write to '%s', errno: %d",
m_file_name, errno);