1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/* name: utility.c */
/* author: J. Michael Word */
/* date written: 2/26/96 */
/* purpose: utility functions */
/*****************************************************************/
/* NOTICE: This is free software and the source code is freely */
/* available. You are free to redistribute or modify under the */
/* conditions that (1) this notice is not removed or modified */
/* in any way and (2) any modified versions of the program are */
/* also available for free. */
/* ** Absolutely no Warranty ** */
/* Copyright (C) 1999 J. Michael Word */
/*****************************************************************/
#include "utility.h"
#include <stdlib.h> /*060902 needs this for exit() */
#include <stdio.h>
#include <string.h> /*060902 needs this for strlen() */
#include <ctype.h>
#ifdef NEEDSTRCASECMP
int strncasecmp(const char *buf, const char *pat, int sz) {
int rc = 0;
int i = 0;
for(; i < sz; i++) {
if (tolower(buf[i]) != tolower(pat[i])) { rc = 1; break; }
else if (buf[i] == '\0') { break; }
}
return rc;
}
int strcasecmp(const char *buf, const char *pat) {
int rc = 0;
int i = 0;
for(; buf[i] && pat[i]; i++) {
if (tolower(buf[i]) != tolower(pat[i])) { rc = 1; break; }
}
return rc;
}
#endif
void note(char *message) {
fprintf(stderr, "%s\n", message);
}
void warn(char *message) {
fprintf(stderr, "WARNING: %s\n", message);
}
void errmsg(char *message) {
fprintf(stderr, "ERROR: %s\n", message);
}
void halt(char *message) {
fprintf(stderr, "ERROR: %s\n", message);
exit(1);
}
int parseInteger(char *str, int start, int len) {
register int value = 0;
register char ch;
int neg = 0, inside = 0;
if (!str || start < 0) { return 0; }
str += start;
while((len-- > 0) && *str) {
ch = *str++;
if ((ch >='0') && (ch <= '9')) {
value = (10*value) + (ch - '0');
inside = 1;
}
else if (ch == '+' && !inside) {
inside = 1;
}
else if (ch == '-' && !inside) {
neg = 1;
inside = 1;
}
else if (isspace(ch) && !inside) { /* nothing */ }
else break; /* end of integer */
}
return (neg?-value:value);
}
float parseReal(char *str, int start, int len) {
double value = 0.0, scale = 1.0;
register char ch;
int inside = 0, infract = 0;
if (!str || start < 0) { return 0; }
str += start;
while((len-- > 0) && *str) {
ch = *str++;
if ((ch >='0') && (ch <= '9')) {
value = (10.0*value) + (ch - '0');
if (infract) { scale *= 0.1; }
inside = 1;
}
else if (ch == '+' && !inside) {
inside = 1;
}
else if (ch == '-' && !inside) {
scale = -1.0;
inside = 1;
}
else if (ch == '.' && !infract) {
infract = 1;
}
else if (isspace(ch) && !inside) { /* nothing */ }
else break; /* end of real */
}
return value*scale;
}
void copyChars(char *to, char *from, int n) {
int i;
for(i=0; i<n; i++) { to[i] = from[i]; }
}
int compArgStr(char *str, char *arg, int min) {
int i, max;
char s, a;
if (!str || !arg) return 0;
max = strlen(arg);
for(i=0; i<max; i++) {
s = toupper(str[i]);
a = toupper(arg[i]);
if (i >= min && (s == '\0' || s == '.'
|| s == '+' || s == '-' || isdigit(s))) {
break; /* good ending point */
}
else if (s != a) {
i = 0; /* failed to match */
break;
}
}
return i;
}
int nonblankstr(char *str) {
for(; *str; str++) {
if (! isspace(*str)) { return 1; }
}
return 0;
}
int nonblankrange(char *str, int start, int len) {
register int i;
for(i = 0; i < start; i++) {
if (*str++ == '\0') { return 0; }
}
for(i = 0; i < len; i++) {
if (*str == '\0') { break; }
if (! isspace(*str)) { return 1; }
str++;
}
return 0;
}
|
