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Simplify string comparison

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This is based on Linus' idea on the mailing list.
Treat NULL strings and empty strings as identical.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2014-05-06 14:08:17 -07:00
parent 024420a60d
commit 0c836ebc47
3 changed files with 12 additions and 15 deletions
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6
dive.h
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@ -7,6 +7,7 @@
#include <math.h>
#include <zip.h>
#include <sqlite3.h>
#include <string.h>
/* Windows has no MIN/MAX macros - so let's just roll our own */
#define MIN(x, y) ({ \
@ -23,6 +24,11 @@
#define IS_FP_SAME(_a, _b) (fabs((_a) - (_b)) < 0.000001 * MAX(fabs(_a), fabs(_b)))
static inline int same_string(const char *a, const char *b)
{
return !strcmp(a ? : "", b ? : "");
}
#include <libxml/tree.h>
#include <libxslt/transform.h>