static char *opts_ini_next(const char *s, char c) {
bool last = false;
while (*s && *s != c && !(last && *s == ';'))
last = !!util_isspace(*s), s++;
return (char*)s;
}
int util_atoi(char *str, int base)
{
unsigned long acc = 0;
int c;
unsigned long cutoff;
int neg = 0, any, cutlim;
do {
c = *str++;
} while (util_isspace(c));
if (c == '-') {
neg = 1;
c = *str++;
} else if (c == '+')
c = *str++;
cutoff = neg ? -(unsigned long)LONG_MIN : LONG_MAX;
cutlim = cutoff % (unsigned long)base;
cutoff /= (unsigned long)base;
for (acc = 0, any = 0;; c = *str++) {
if (util_isdigit(c))
c -= '0';
else if (util_isalpha(c))
c -= util_isupper(c) ? 'A' - 10 : 'a' - 10;
else
break;
if (c >= base)
break;
if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
any = -1;
else {
any = 1;
acc *= base;
acc += c;
}
}
if (any < 0) {
acc = neg ? LONG_MIN : LONG_MAX;
} else if (neg)
acc = -acc;
return (acc);
}
static char *opts_ini_lskip(const char *s) {
while (*s && util_isspace(*s))
s++;
return (char*)s;
}
/*
* Standard configuration parser and subsystem. Yes, optionally you may
* create ini files or cfg (the driver accepts both) for a project opposed
* to supplying just a progs.src (since you also may need to supply command
* line arguments or set the options of the compiler) [which cannot be done
* from a progs.src.
*/
static char *opts_ini_rstrip(char *s) {
char *p = s + strlen(s) - 1;
while (p > s && util_isspace(*p))
*p = '\0', p--;
return s;
}
