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#include <ctype.h>
#include <stdio.h>
#include <string.h>
#define strbcmp(str, const) (strncmp((str), (const), sizeof(const)-1))
static int
getbase(const char **s) {
const char *p;
p = *s;
if(!strbcmp(p, "0x")) {
*s += 2;
return 16;
}
if(isdigit(p[0])) {
if(p[1] == 'r') {
*s += 2;
return p[0] - '0';
}
if(isdigit(p[1]) && p[2] == 'r') {
*s += 3;
return 10*(p[0]-'0') + (p[1]-'0');
}
}
if(p[0] == '0') {
*s += 1;
return 8;
}
return 10;
}
static int
getlong(const char *s, long *ret) {
const char *end;
char *rend;
int base;
end = s+strlen(s);
base = getbase(&s);
*ret = strtol(s, &rend, base);
return (end == rend);
}
static uint
tokenize(char *res[], uint reslen, char *str, char delim) {
char *s;
uint i;
i = 0;
s = str;
while(i < reslen && *s) {
while(*s == delim)
*(s++) = '\0';
if(*s)
res[i++] = s;
while(*s && *s != delim)
s++;
}
return i;
}
static char*
vsmprint(const char *fmt, va_list ap) {
va_list al;
char *buf = "";
int n;
va_copy(al, ap);
n = vsnprintf(buf, 0, fmt, al);
va_end(al);
buf = malloc(++n);
if(buf)
vsnprintf(buf, n, fmt, ap);
return buf;
}
static char*
smprint(const char *fmt, ...) {
va_list ap;
char *ret;
va_start(ap, fmt);
ret = vsmprint(fmt, ap);
va_end(ap);
return ret;
}
static char*
strdup(const char *s) {
char *ret;
int len;
len = strlen(s)+1;
ret = malloc(len);
if(ret)
memcpy(ret, s, len);
return ret;
}
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