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sqlcipher/tool/checkSpacing.c at Xcode5 · sqlcipher/sqlcipher · GitHub
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checkSpacing.c
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checkSpacing.c
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/*
** This program checks for formatting problems in source code:
**
** * Any use of tab characters
** * White space at the end of a line
** * Blank lines at the end of a file
**
** Any violations are reported.
*/
#include
<stdio.h>
#include
<stdlib.h>
#include
<string.h>
#define
CR_OK
0x001
#define
WSEOL_OK
0x002
static
void
checkSpacing
(
const
char
*
zFile
,
unsigned
flags
){
FILE
*
in
=
fopen
(
zFile
,
"rb"
);
int
i
;
int
seenSpace
;
int
seenTab
;
int
ln
=
0
;
int
lastNonspace
=
0
;
char
zLine
[
2000
];
if
(
in
==
0
){
printf
(
"cannot open %s\n"
,
zFile
);
return
;
}
while
(
fgets
(
zLine
,
sizeof
(
zLine
),
in
) ){
seenSpace
=
0
;
seenTab
=
0
;
ln
++
;
for
(
i
=
0
;
zLine
[
i
];
i
++
){
if
(
zLine
[
i
]
==
'\t'
&&
seenTab
==
0
){
printf
(
"%s:%d: tab (\\t) character\n"
,
zFile
,
ln
);
seenTab
=
1
;
}
else
if
(
zLine
[
i
]
==
'\r'
){
if
( (
flags
&
CR_OK
)
==
0
){
printf
(
"%s:%d: carriage-return (\\r) character\n"
,
zFile
,
ln
);
}
}
else
if
(
zLine
[
i
]
==
' '
){
seenSpace
=
1
;
}
else
if
(
zLine
[
i
]
!=
'\n'
){
lastNonspace
=
ln
;
seenSpace
=
0
;
}
}
if
(
seenSpace
&&
(
flags
&
WSEOL_OK
)
==
0
){
printf
(
"%s:%d: whitespace at end-of-line\n"
,
zFile
,
ln
);
}
}
fclose
(
in
);
if
(
lastNonspace
<
ln
){
printf
(
"%s:%d: blank lines at end of file (%d)\n"
,
zFile
,
ln
,
ln
-
lastNonspace
);
}
}
int
main
(
int
argc
,
char
*
*
argv
){
int
i
;
unsigned
flags
=
WSEOL_OK
;
for
(
i
=
1
;
i
<
argc
;
i
++
){
const
char
*
z
=
argv
[
i
];
if
(
z
[
0
]
==
'-'
){
while
(
z
[
0
]
==
'-'
)
z
++
;
if
(
strcmp
(
z
,
"crok"
)
==
0
){
flags
|=
CR_OK
;
}
else
if
(
strcmp
(
z
,
"wseol"
)
==
0
){
flags
&= ~
WSEOL_OK
;
}
else
if
(
strcmp
(
z
,
"help"
)
==
0
){
printf
(
"Usage: %s [options] FILE ...\n"
,
argv
[
0
]);
printf
(
" --crok Do not report on carriage-returns\n"
);
printf
(
" --wseol Complain about whitespace at end-of-line\n"
);
printf
(
" --help This message\n"
);
}
else
{
printf
(
"unknown command-line option: [%s]\n"
,
argv
[
i
]);
printf
(
"use --help for additional information\n"
);
}
}
else
{
checkSpacing
(
argv
[
i
],
flags
);
}
}
return
0
;
}
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