[PATCH] Fix bug #68711 Remove useless checks. 'num' is unsigned and cannot be <0.

10 years ago by Joshua Rogers — view source

unread

ext/dba/libflatfile/flatfile.c | 28 ++++------------------------
1 file changed, 4 insertions(+), 24 deletions(-)

diff --git a/ext/dba/libflatfile/flatfile.c b/ext/dba/libflatfile/flatfile.c
index b5028f5..f640e19 100644
--- a/ext/dba/libflatfile/flatfile.c
+++ b/ext/dba/libflatfile/flatfile.c
@@ -126,9 +126,6 @@ int flatfile_delete(flatfile *dba, datum key_datum) {

	/* read in the key name */
	num = php_stream_read(dba->fp, buf, num);

```
  if (num < 0)  {
```
```
  	break;
```

  }

  if (size == num && !memcmp(buf, key, size)) {
  	php_stream_seek(dba->fp, pos, SEEK_SET);

@@ -150,9 +147,6 @@ int flatfile_delete(flatfile dba, datum key_datum) {
}
/ read in the value */
num = php_stream_read(dba->fp, buf, num);

```
  if (num < 0) {
```
```
  	break;
```
```
  }
```
}
efree(buf);
return FAILURE;
@@ -180,9 +174,7 @@ int flatfile_findkey(flatfile *dba, datum key_datum) {
buf = erealloc(buf, buf_size);
}
num = php_stream_read(dba->fp, buf, num);
```
  if (num < 0) {
```
```
  	break;
```
```
  }
```

  if (size == num) {
  	if (!memcmp(buf, key, size)) {
  		ret = 1;

@@ -198,9 +190,6 @@ int flatfile_findkey(flatfile *dba, datum key_datum) {
buf = erealloc(buf, buf_size);
}
num = php_stream_read(dba->fp, buf, num);

```
  if (num < 0) {
```
```
  	break;
```
```
  }
```
}
efree(buf);
return ret;
@@ -226,9 +215,7 @@ datum flatfile_firstkey(flatfile *dba) {
buf = erealloc(buf, buf_size);
}
num = php_stream_read(dba->fp, buf, num);
```
  if (num < 0) {
```
```
  	break;
```
```
  }
```

  if (*(buf) != 0) {
  	dba->CurrentFlatFilePos = php_stream_tell(dba->fp);
  	res.dptr = buf;

@@ -244,9 +231,6 @@ datum flatfile_firstkey(flatfile *dba) {
buf = erealloc(buf, buf_size);
}
num = php_stream_read(dba->fp, buf, num);

```
  if (num < 0) {
```
```
  	break;
```
```
  }
```
}
efree(buf);
res.dptr = NULL;
@@ -274,9 +258,7 @@ datum flatfile_nextkey(flatfile *dba) {
buf = erealloc(buf, buf_size);
}
num = php_stream_read(dba->fp, buf, num);
```
  if (num < 0)  {
```
```
  	break;
```
```
  }
```

  if (!php_stream_gets(dba->fp, buf, 15)) {
  	break;
  }

@@ -286,9 +268,7 @@ datum flatfile_nextkey(flatfile *dba) {
buf = erealloc(buf, buf_size);
}
num = php_stream_read(dba->fp, buf, num);

```
  if (num < 0) {
```
```
  	break;
```
```
  }
```

  if (*(buf)!=0) {
  	dba->CurrentFlatFilePos = php_stream_tell(dba->fp);
  	res.dptr = buf;

--
1.9.1