| 1 |
/* |
| 2 |
* fptools.c, some helper functions for getcgi.c and uu(en|de)view |
| 3 |
* |
| 4 |
* Distributed under the terms of the GNU General Public License. |
| 5 |
* Use and be happy. |
| 6 |
*/ |
| 7 |
|
| 8 |
/* |
| 9 |
* Some handy, nonstandard functions. Note that the original may |
| 10 |
* be both faster and better. ``better'', if your compiler allows |
| 11 |
* cleaner use of such functions by proper use of ``const''. |
| 12 |
*/ |
| 13 |
|
| 14 |
#ifndef FPTOOLS_H__ |
| 15 |
#define FPTOOLS_H__ |
| 16 |
|
| 17 |
#include <string.h> |
| 18 |
#include <stdint.h> |
| 19 |
|
| 20 |
typedef signed char schar; |
| 21 |
typedef unsigned char uchar; |
| 22 |
|
| 23 |
#include "ecb.h" |
| 24 |
|
| 25 |
#ifndef TOOLEXPORT |
| 26 |
#define TOOLEXPORT |
| 27 |
#endif |
| 28 |
|
| 29 |
#ifdef __cplusplus |
| 30 |
extern "C" { |
| 31 |
#endif |
| 32 |
|
| 33 |
#if HAVE_GETC_UNLOCKED |
| 34 |
# define FP_getc(s) getc_unlocked (s) |
| 35 |
#else |
| 36 |
# define FP_getc(s) getc (s) |
| 37 |
#endif |
| 38 |
|
| 39 |
#if HAVE_FEOF_UNLOCKED |
| 40 |
# define FP_feof(s) feof_unlocked (s) |
| 41 |
#else |
| 42 |
# define FP_feof(s) feof (s) |
| 43 |
#endif |
| 44 |
|
| 45 |
#if HAVE_FERROR_UNLOCKED |
| 46 |
# define FP_ferror(s) ferror_unlocked (s) |
| 47 |
#else |
| 48 |
# define FP_ferror(s) ferror (s) |
| 49 |
#endif |
| 50 |
|
| 51 |
#if HAVE_FLOCKFILE |
| 52 |
# define FP_flockfile(s) flockfile (s) |
| 53 |
#else |
| 54 |
# define FP_flockfile(s) ((void *)0) |
| 55 |
#endif |
| 56 |
|
| 57 |
#define FP_strstr(a,b) strstr (a, b) |
| 58 |
#define FP_strerror(a) strerror (a) |
| 59 |
|
| 60 |
void TOOLEXPORT FP_free (void *); |
| 61 |
char * TOOLEXPORT FP_strdup (char *); |
| 62 |
char * TOOLEXPORT FP_strncpy (char *, char *, int); |
| 63 |
void * TOOLEXPORT FP_memdup (const void *, int); |
| 64 |
int TOOLEXPORT FP_stricmp (const char *, const char *); |
| 65 |
int TOOLEXPORT FP_strnicmp (const char *, const char *, int); |
| 66 |
char * TOOLEXPORT FP_strrstr (const char *, const char *); |
| 67 |
char * TOOLEXPORT FP_stoupper (char *); |
| 68 |
char * TOOLEXPORT FP_stolower (char *); |
| 69 |
int TOOLEXPORT FP_strmatch (char *, char *); |
| 70 |
char * TOOLEXPORT FP_stristr (char *, char *); |
| 71 |
char * TOOLEXPORT FP_strirstr (char *, char *); |
| 72 |
char * TOOLEXPORT FP_strrchr (const char *, int); |
| 73 |
char * TOOLEXPORT FP_fgets (char *, int, FILE *); |
| 74 |
char * TOOLEXPORT FP_strpbrk (char *, char *); |
| 75 |
char * TOOLEXPORT FP_strtok (char *, char *); |
| 76 |
char * TOOLEXPORT FP_cutdir (char *); |
| 77 |
|
| 78 |
/* like stgricmp, but only works when one of the strings is printable ascii */ |
| 79 |
/* not containing any of these characters: @`[\]^:_{|}~ */ |
| 80 |
int TOOLEXPORT FP_strnicmp_fast (const char *, const char *, int); |
| 81 |
|
| 82 |
#if 0 /* API differs too much between systems to make those replacements */ |
| 83 |
#if HAVE_STRCASECMP |
| 84 |
# define FP_stricmp(a,b) strcasecmp (a, b) |
| 85 |
#endif |
| 86 |
|
| 87 |
#if HAVE_STRNCASECMP |
| 88 |
# define FP_strnicmp(a,b,l) strncasecmp (a, b, l) |
| 89 |
#endif |
| 90 |
|
| 91 |
#if HAVE_STRCASESTR |
| 92 |
# define FP_stristr(a,b) strcasestr (a, b) |
| 93 |
#endif |
| 94 |
#endif |
| 95 |
|
| 96 |
/* this hashes in the final 0 octet to avoid a branch - might or might not be worth it */ |
| 97 |
/* this also means that this function distinguishes between NULL and "" */ |
| 98 |
static uint32_t |
| 99 |
fnv1a (const char *str) |
| 100 |
{ |
| 101 |
uint32_t hash = 0x811C9DC5, c; |
| 102 |
|
| 103 |
if (str) |
| 104 |
for (;;) |
| 105 |
{ |
| 106 |
c = *str++; |
| 107 |
hash = (hash ^ c) * 16777619; |
| 108 |
if (!c) |
| 109 |
break; |
| 110 |
} |
| 111 |
|
| 112 |
return hash; |
| 113 |
} |
| 114 |
|
| 115 |
#ifdef __cplusplus |
| 116 |
} |
| 117 |
#endif |
| 118 |
#endif |
| 119 |
|
