Line data Source code
1 : #define _GNU_SOURCE
2 : #include "fd_cstr.h"
3 :
4 : /* FIXME: WEAN THIS OFF STDLIB FOR NON-HOSTED TARGETS */
5 : #include <stdio.h>
6 : #include <stdlib.h>
7 : #include <stdarg.h>
8 : #include <strings.h>
9 : #include <ctype.h>
10 :
11 30001695 : char const * fd_cstr_to_cstr ( char const * cstr ) { return cstr; }
12 30000015 : char fd_cstr_to_char ( char const * cstr ) { return cstr[0]; }
13 30000015 : schar fd_cstr_to_schar ( char const * cstr ) { return (schar) strtol ( cstr, NULL, 0 ); }
14 30000015 : short fd_cstr_to_short ( char const * cstr ) { return (short) strtol ( cstr, NULL, 0 ); }
15 30001395 : int fd_cstr_to_int ( char const * cstr ) { return (int) strtol ( cstr, NULL, 0 ); }
16 30000018 : long fd_cstr_to_long ( char const * cstr ) { return (long) strtol ( cstr, NULL, 0 ); }
17 30004611 : uchar fd_cstr_to_uchar ( char const * cstr ) { return (uchar) strtoul( cstr, NULL, 0 ); }
18 30000015 : ushort fd_cstr_to_ushort( char const * cstr ) { return (ushort)strtoul( cstr, NULL, 0 ); }
19 30000027 : uint fd_cstr_to_uint ( char const * cstr ) { return (uint) strtoul( cstr, NULL, 0 ); }
20 30001713 : ulong fd_cstr_to_ulong ( char const * cstr ) { return (ulong) strtoul( cstr, NULL, 0 ); }
21 30000018 : float fd_cstr_to_float ( char const * cstr ) { return strtof ( cstr, NULL ); }
22 : #if FD_HAS_DOUBLE
23 30000006 : double fd_cstr_to_double( char const * cstr ) { return strtod ( cstr, NULL ); }
24 : #endif
25 :
26 30 : ulong fd_cstr_to_ulong_octal( char const * cstr ) { return (ulong)strtoul( cstr, NULL, 8 ); }
27 :
28 : ulong
29 : fd_cstr_to_ulong_seq( char const * cstr,
30 : ulong * seq,
31 132 : ulong seq_max ) {
32 132 : ulong seq_cnt = 0UL;
33 :
34 132 : if( !cstr ) return seq_cnt;
35 :
36 123 : char const * p = cstr;
37 300 : for(;;) {
38 :
39 300 : char c;
40 300 : char * q;
41 :
42 300 : c = *p; while( isspace( (int)c ) ) c = *(++p); /* Move and peek at next non-white-space character */
43 300 : if( c=='\0' ) break; /* end of sequence */
44 :
45 231 : ulong seq_ele_0 = strtoul( p, &q, 0 );
46 231 : if( FD_UNLIKELY( p==(char const *)q ) ) return 0UL; /* Malformed sequence, seq_ele_0 is not a ulong */
47 222 : p = (char const *)q;
48 :
49 222 : ulong seq_ele_1 = seq_ele_0;
50 222 : ulong seq_stride = 1UL;
51 :
52 222 : c = *p; while( isspace( (int)c ) ) c = *(++p); /* Move and peek at next non-white-space character */
53 222 : if( c=='-' ) {
54 126 : p++;
55 :
56 126 : seq_ele_1 = strtoul( p, &q, 0 );
57 126 : if( FD_UNLIKELY( p==(char const *)q ) ) return 0UL; /* Malformed sequence, seq_ele_1 is not a ulong */
58 117 : p = (char const *)q;
59 :
60 117 : c = *p; while( isspace( (int)c ) ) c = *(++p); /* Move and peek at next non-white-space character */
61 117 : if( c=='/' || c==':' ) {
62 54 : p++;
63 :
64 54 : seq_stride = strtoul( p, &q, 0 );
65 54 : if( FD_UNLIKELY( p==(char const *)q ) ) return 0UL; /* Malformed sequence, seq_stride is not a ulong */
66 45 : p = (char const *)q;
67 45 : }
68 117 : }
69 :
70 204 : c = *p; while( isspace( (int)c ) ) c = *(++p); /* Move and peek at next non-white-space character */
71 204 : if( !(c==',' || c=='\0' ) ) return 0UL; /* Malformed sequence, delimiter */
72 195 : if( c==',' ) p++;
73 :
74 : /* Append the range to sequence. Written this slightly funny way to
75 : be robust against overflow with seq_ele_1 and/or seq_stride being
76 : near or equal to ULONG_MAX */
77 :
78 195 : if( FD_UNLIKELY( (seq_ele_1<seq_ele_0) | (!seq_stride) )) return 0UL; /* Malformed sequence, bad range */
79 :
80 :
81 177 : ulong seq_ele = seq_ele_0;
82 654 : while( ((seq_ele_0<=seq_ele) & (seq_ele<seq_ele_1)) ) {
83 477 : if( FD_LIKELY( seq_cnt<seq_max ) ) seq[ seq_cnt ] = seq_ele;
84 477 : seq_cnt++;
85 477 : seq_ele += seq_stride;
86 477 : }
87 177 : if( seq_ele==seq_ele_1 ) {
88 141 : if( FD_LIKELY( seq_cnt<seq_max ) ) seq[ seq_cnt ] = seq_ele;
89 141 : seq_cnt++;
90 141 : }
91 177 : }
92 :
93 69 : return seq_cnt;
94 123 : }
95 :
96 : int
97 : fd_cstr_casecmp( char const * a,
98 14823 : char const * b ) {
99 14823 : return strcasecmp( a, b );
100 14823 : }
101 :
102 : ulong
103 : fd_cstr_nlen( char const * s,
104 129 : ulong m ) {
105 129 : return strnlen( s, m );
106 129 : }
107 :
108 : char *
109 : fd_cstr_printf( char * buf,
110 : ulong sz,
111 : ulong * opt_len,
112 300165465 : char const * fmt, ... ) {
113 300165465 : if( FD_UNLIKELY( (!buf) | (!sz) ) ) {
114 0 : if( opt_len ) *opt_len = 0UL;
115 0 : return buf;
116 0 : }
117 300165465 : va_list ap;
118 300165465 : va_start( ap, fmt );
119 300165465 : int ret = vsnprintf( buf, sz, fmt, ap );
120 300165465 : ulong len = fd_ulong_if( ret<0, 0UL, fd_ulong_min( (ulong)ret, sz-1UL ) );
121 300165465 : buf[ len ] = '\0';
122 300165465 : va_end( ap );
123 300165465 : if( opt_len ) *opt_len = len;
124 300165465 : return buf;
125 300165465 : }
126 :
127 : int
128 : fd_cstr_printf_check( char * buf,
129 : ulong sz,
130 : ulong * opt_len,
131 63 : char const * fmt, ... ) {
132 63 : if( FD_UNLIKELY( (!buf) | (!sz) ) ) {
133 0 : if( opt_len ) *opt_len = 0UL;
134 0 : return 0;
135 0 : }
136 63 : va_list ap;
137 63 : va_start( ap, fmt );
138 63 : int ret = vsnprintf( buf, sz, fmt, ap );
139 63 : ulong len = fd_ulong_if( ret<0, 0UL, fd_ulong_min( (ulong)ret, sz-1UL ) );
140 63 : buf[ len ] = '\0';
141 63 : va_end( ap );
142 63 : if( opt_len ) *opt_len = len;
143 63 : return len==(ulong)ret;
144 63 : }
145 :
146 : char *
147 : fd_cstr_append_printf( char * buf,
148 516 : char const * fmt, ... ) {
149 516 : if( FD_UNLIKELY( !buf ) ) return NULL;
150 516 : va_list ap;
151 516 : va_start( ap, fmt );
152 516 : int ret = vsprintf( buf, fmt, ap );
153 516 : va_end( ap );
154 516 : return buf + fd_ulong_if( ret<0, 0UL, (ulong)ret );
155 516 : }
156 :
157 : ulong
158 : fd_cstr_tokenize( char ** tok,
159 : ulong tok_max,
160 : char * p,
161 243 : char delim ) {
162 243 : if( FD_UNLIKELY( !p ) ) return 0UL;
163 :
164 240 : ulong tok_cnt = 0UL;
165 624 : for(;;) {
166 :
167 : /* Find token start and record it (if possible) */
168 624 : while( isspace( (int)p[0] ) ) p++;
169 624 : if( p[0]=='\0' ) break;
170 585 : if( tok_cnt<tok_max ) tok[ tok_cnt ] = p;
171 585 : tok_cnt++;
172 :
173 : /* Find the token end and terminate it */
174 3078 : while( ((p[0]!=delim) & (p[0]!='\0')) ) p++;
175 585 : if( p[0]=='\0' ) break;
176 384 : p[0] = '\0';
177 384 : p++;
178 384 : }
179 :
180 240 : return tok_cnt;
181 243 : }
182 :
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