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Comparing Convert-UUlib/uulib/fptools.h (file contents):
Revision 1.15 by root, Sat Dec 12 03:55:00 2020 UTC vs.
Revision 1.16 by root, Sat Dec 12 10:48:39 2020 UTC

… …
8/* 8/*
9 * Some handy, nonstandard functions. Note that the original may 9 * Some handy, nonstandard functions. Note that the original may
10 * be both faster and better. ``better'', if your compiler allows 10 * be both faster and better. ``better'', if your compiler allows
11 * cleaner use of such functions by proper use of ``const''. 11 * cleaner use of such functions by proper use of ``const''.
12 * 12 *
13 * $Id: fptools.h,v 1.15 2020/12/12 03:55:00 root Exp $ 13 * $Id: fptools.h,v 1.16 2020/12/12 10:48:39 root Exp $
14 */ 14 */
15 15
16#ifndef FPTOOLS_H__ 16#ifndef FPTOOLS_H__
17#define FPTOOLS_H__ 17#define FPTOOLS_H__
18 18
19#include <string.h> 19#include <string.h>
20#include <stdint.h>
20 21
21typedef signed char schar; 22typedef signed char schar;
22typedef unsigned char uchar; 23typedef unsigned char uchar;
23 24
24#include "ecb.h" 25#include "ecb.h"
… …
92#if HAVE_STRCASESTR 93#if HAVE_STRCASESTR
93# define FP_stristr(a,b) strcasestr (a, b) 94# define FP_stristr(a,b) strcasestr (a, b)
94#endif 95#endif
95#endif 96#endif
96 97
98/* this hashes in the final 0 octet to avoid a branch - might or might not be worth it */
99/* this also means that this function distinguishes between NULL and "" */
100static uint32_t
101fnv1a (const char *str)
102{
103 uint32_t hash = 0x811C9DC5, c;
104
105 if (str)
106 for (;;)
107 {
108 c = *str++;
109 hash = (hash ^ c) * 16777619;
110 if (!c)
111 break;
112 }
113
114 return hash;
115}
116
97#ifdef __cplusplus 117#ifdef __cplusplus
98} 118}
99#endif 119#endif
100#endif 120#endif
101 121

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