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Cleaned up get_line for test data files

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Look, ma, a use for do...while!

Also removed 1-3 calls to strlen.
This commit is contained in:
Gilles Peskine 2017-09-29 18:00:25 +02:00 committed by Simon Butcher
parent b04e2c3d81
commit 964faeb6c4
1 changed files with 16 additions and 8 deletions
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24
tests/suites/main_test.function
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@ -136,23 +136,31 @@ DISPATCH_FUNCTION
"TESTCASE_FILENAME"
/** Retrieve one input line into buf, which must have room for len
* bytes. The trailing line break (if any) is stripped from the result.
* Lines beginning with the character '#' are skipped. Lines that are
* more than len-1 bytes long including the trailing line break are
* truncated; note that the following bytes remain in the input stream.
*
* \return 0 on success, -1 on error or end of file
*/
int get_line( FILE *f, char *buf, size_t len )
{
char *ret;
buf[0] = '#';
while( buf[0] == '#' )
do
{
ret = fgets( buf, len, f );
if( ret == NULL )
return( -1 );
if( strlen( buf ) && buf[strlen(buf) - 1] == '\n' )
buf[strlen(buf) - 1] = '\0';
if( strlen( buf ) && buf[strlen(buf) - 1] == '\r' )
buf[strlen(buf) - 1] = '\0';
}
while( buf[0] == '#' );
ret = buf + strlen( buf );
if( ret-- > buf && *ret == '\n' )
*ret = '\0';
if( ret-- > buf && *ret == '\r' )
*ret = '\0';
return( 0 );
}