CodeSonar : Pvm : Uninitialized Variable

Pvm : Pvm analysis 1 : Uninitialized Variable at trccompat.c:636

Categories:	LANG.MEM.UVAR CWE:457
Warning ID:	2845.2906
Procedure:	trc_dump_old_pvm_event_fmt
Trace:	View
Modified:	Wed Sep 2 12:49:47 2009 show details hide details

Priority:	None
State:	None
Finding:	None
Owner:	None
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Warning Location Contributes Parse Error Other Warning Two or More Loop Iterations On Execution Path Comment Macro Preprocessor Include Keyword Preprocessed Away

Legend
Warning Location	Contributes	Parse Error
Other Warning	Two or More Loop Iterations	On Execution Path
Comment	Macro	Preprocessor
Include	Keyword	Preprocessed Away

Source | Language: C

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Problem	Line	Source

			/u1/paul/SATE/2010/c/pvm/pvm3/tracer/trccompat.c

			Enter trc_dump_old_pvm_event_fmt

true

570

trc_dump_old_pvm_event_fmt( ID, eid )

TRC_ID ID;

int eid;

{

char buf[4096];

char *fmt;

int keeplist[10];

int veclen;

int index;

int nkeep;

int keep;

int ival;

fmt = trc_old_tev_formats[ eid ].fmt;

if ( fmt != NULL )

{

nkeep = 0;

while ( *fmt )

{

if ( *fmt == '%' )

{

fmt++;

if ( *fmt == '*' )

{

keep = TRC_TRUE;

fmt++;

}

else

keep = TRC_FALSE;

if ( *fmt == '$' )

{

fmt++;

index = *fmt - '0';

fmt++;

veclen = ( index >= 0 && index < nkeep )

617

? keeplist[index] : 0;

}

else

veclen = 1;

while ( veclen > 0 )

{

veclen--;

switch ( *fmt )

{

case 'R':

case 'd':

case 'r':

case 'x':

{

	634		pvm_upkint( &ival, 1, 1 );

635

ival is uninitialized

636

fprintf( ID->trace_out, ", %d", ival ); /* Uninitialized Variable */

Preconditions

((char*)&((char*)$unknown_2559164)[72])[40] = 1
$unknown_2559137 = 37
strlen(&$unknown_2559137) != 0
strlen(&$unknown_2559137) != 1
((char*)&$unknown_2559137)[1] = 100
myfmt = -1
pvmautoerr = 0
pvmmytid = -1
pvmtoplvl != 0

Postconditions

((char*)&((char*)$unknown_2559164)[72])[40]' = ((char*)&((char*)$unknown_2559164)[72])[40] - 1
((char*)$unknown_2559164)[72]' = &freefrags.fr_link
ID' = $param_1
eid' = $param_2
fmt' = &$unknown_2559137 + 1
freefrags.fr_rlink' = ((char*)&$unknown_2559164)[72]
keep' = 0
nkeep' = 0
pvm_errno' = -15
pvmmytid' != -1
pvmrbuf' = 0
pvmtrc.trctid' <= 0
topvmd' = 0
veclen' = 0

Change Warning 2845.2906 : Uninitialized Variable

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