diff options
Diffstat (limited to 'usr/src/lib/libast/common/string/stracmp.c')
-rw-r--r-- | usr/src/lib/libast/common/string/stracmp.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/string/stracmp.c b/usr/src/lib/libast/common/string/stracmp.c new file mode 100644 index 0000000000..330b7655cc --- /dev/null +++ b/usr/src/lib/libast/common/string/stracmp.c @@ -0,0 +1,62 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2007 AT&T Knowledge Ventures * +* and is licensed under the * +* Common Public License, Version 1.0 * +* by AT&T Knowledge Ventures * +* * +* A copy of the License is available at * +* http://www.opensource.org/licenses/cpl1.0.txt * +* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* Phong Vo <kpv@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped + +/* + * ccmapchr(ccmap(CC_NATIVE,CC_ASCII),c) and strcmp + */ + +#include <ast.h> +#include <ccode.h> + +#if _lib_stracmp + +NoN(stracmp) + +#else + +#include <ctype.h> + +int +stracmp(const char* aa, const char* ab) +{ + register unsigned char* a; + register unsigned char* b; + register unsigned char* m; + register int c; + register int d; + + if (!(m = ccmap(CC_NATIVE, CC_ASCII))) + return strcmp(aa, ab); + a = (unsigned char*)aa; + b = (unsigned char*)ab; + for (;;) + { + c = m[*a++]; + if (d = c - m[*b++]) + return d; + if (!c) + return 0; + } +} + +#endif |