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comparison cos/kernel/snprintf.c @ 13:d07d4701a103

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Cleanup of header files
author windel
date Mon, 14 Nov 2011 21:44:35 +0100
parents fcdae30b2782
children f3e3e0e9c4bc
comparison
equal deleted inserted replaced
12:fcdae30b2782 13:d07d4701a103
1 /* 1 /*
2 * snprintf.c 2 * snprintf.c
3 */ 3 */
4 #include "kernel.h" 4 #include "kernel.h"
5 5
6 #include "ctype.h" 6 /*
7 * NOTE! This ctype does not handle EOF like the standard C
8 * library is required to.
9 */
10
11 #define _U 0x01 /* upper */
12 #define _L 0x02 /* lower */
13 #define _D 0x04 /* digit */
14 #define _C 0x08 /* cntrl */
15 #define _P 0x10 /* punct */
16 #define _S 0x20 /* white space (space/lf/tab) */
17 #define _X 0x40 /* hex digit */
18 #define _SP 0x80 /* hard space (0x20) */
19
7 20
8 unsigned char _ctype[] = { 21 unsigned char _ctype[] = {
9 _C,_C,_C,_C,_C,_C,_C,_C, /* 0-7 */ 22 _C,_C,_C,_C,_C,_C,_C,_C, /* 0-7 */
10 _C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C, /* 8-15 */ 23 _C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C, /* 8-15 */
11 _C,_C,_C,_C,_C,_C,_C,_C, /* 16-23 */ 24 _C,_C,_C,_C,_C,_C,_C,_C, /* 16-23 */
29 _U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */ 42 _U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */
30 _U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */ 43 _U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */
31 _L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */ 44 _L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */
32 _L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */ 45 _L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */
33 46
47 #define __ismask(x) (_ctype[(int)(unsigned char)(x)])
48
49 #define isalnum(c) ((__ismask(c)&(_U|_L|_D)) != 0)
50 #define isalpha(c) ((__ismask(c)&(_U|_L)) != 0)
51 #define iscntrl(c) ((__ismask(c)&(_C)) != 0)
52 #define isdigit(c) ((__ismask(c)&(_D)) != 0)
53 #define isgraph(c) ((__ismask(c)&(_P|_U|_L|_D)) != 0)
54 #define islower(c) ((__ismask(c)&(_L)) != 0)
55 #define isprint(c) ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)
56 #define ispunct(c) ((__ismask(c)&(_P)) != 0)
57 #define isspace(c) ((__ismask(c)&(_S)) != 0)
58 #define isupper(c) ((__ismask(c)&(_U)) != 0)
59 #define isxdigit(c) ((__ismask(c)&(_D|_X)) != 0)
60
61 #define isascii(c) (((unsigned char)(c))<=0x7f)
62 #define toascii(c) (((unsigned char)(c))&0x7f)
63
64 static inline unsigned char tolower(unsigned char c)
65 {
66 if (isupper(c))
67 c -= 'A'-'a';
68 return c;
69 }
70
71 static inline unsigned char toupper(unsigned char c)
72 {
73 if (islower(c))
74 c -= 'a'-'A';
75 return c;
76 }
34 77
35 #define MORE_THAN_YOU_WANT 1<<30 78 #define MORE_THAN_YOU_WANT 1<<30
36 #define MAX_STDOUT_CHARS 255 79 #define MAX_STDOUT_CHARS 255
37 80
38 static char hexmap[] = { 81 static char hexmap[] = {