diff options
Diffstat (limited to 'lib/libsqlite3/src/util.c')
| -rw-r--r-- | lib/libsqlite3/src/util.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/libsqlite3/src/util.c b/lib/libsqlite3/src/util.c index 9bb8d891577..6e64242e876 100644 --- a/lib/libsqlite3/src/util.c +++ b/lib/libsqlite3/src/util.c @@ -17,7 +17,7 @@ */ #include "sqliteInt.h" #include <stdarg.h> -#ifdef SQLITE_HAVE_ISNAN +#if HAVE_ISNAN || SQLITE_HAVE_ISNAN # include <math.h> #endif @@ -58,7 +58,7 @@ int sqlite3FaultSim(int iTest){ */ int sqlite3IsNaN(double x){ int rc; /* The value return */ -#if !defined(SQLITE_HAVE_ISNAN) +#if !SQLITE_HAVE_ISNAN && !HAVE_ISNAN /* ** Systems that support the isnan() library function should probably ** make use of it by compiling with -DSQLITE_HAVE_ISNAN. But we have @@ -88,9 +88,9 @@ int sqlite3IsNaN(double x){ volatile double y = x; volatile double z = y; rc = (y!=z); -#else /* if defined(SQLITE_HAVE_ISNAN) */ +#else /* if HAVE_ISNAN */ rc = isnan(x); -#endif /* SQLITE_HAVE_ISNAN */ +#endif /* HAVE_ISNAN */ testcase( rc ); return rc; } @@ -251,6 +251,11 @@ int sqlite3Dequote(char *z){ */ int sqlite3_stricmp(const char *zLeft, const char *zRight){ register unsigned char *a, *b; + if( zLeft==0 ){ + return zRight ? -1 : 0; + }else if( zRight==0 ){ + return 1; + } a = (unsigned char *)zLeft; b = (unsigned char *)zRight; while( *a!=0 && UpperToLower[*a]==UpperToLower[*b]){ a++; b++; } @@ -258,6 +263,11 @@ int sqlite3_stricmp(const char *zLeft, const char *zRight){ } int sqlite3_strnicmp(const char *zLeft, const char *zRight, int N){ register unsigned char *a, *b; + if( zLeft==0 ){ + return zRight ? -1 : 0; + }else if( zRight==0 ){ + return 1; + } a = (unsigned char *)zLeft; b = (unsigned char *)zRight; while( N-- > 0 && *a!=0 && UpperToLower[*a]==UpperToLower[*b]){ a++; b++; } |