seplib.c

// returns a heap duplicate up to n bytes
char* strndupx(char* in, long unsigned int n){
	char* new=malloc(n+1);
	new[n]=0x0;
	
	memcpy(new, in, n);

	return new;
}

long unsigned int until_byte(char* bytes, long unsigned int n,char byte){
	long unsigned int until;
	for(until=0;until<n;until++){
		if(bytes[until]==byte){
			return until;	
		}
	}

	return n;
}

char* onesep(char* in, char sep, char** save_ptr){
	long unsigned int until=until_byte(in, strlen(in), sep);
	//printf("NICE: %lu %lu %s\n", strlen(in), until, in);
	if(until==strlen(in))return 0;
	*save_ptr=until;
	return strndupx(in, until);

}

char* xsep(char* in, char sep){
	static char* save;
	long unsigned int len;
	if(in){
		save=in;
		len=0;
	}
	char* retval=onesep(save, sep, &len);
	save+=len+1;
	return retval;
	
}

char** onetokl(char* in, char sep, long unsigned int* len){
	char** tok=(char**)malloc(sizeof(char*)+1);
	tok[0]=xsep(in, sep);
	long unsigned int i;
	for(i=1;tok[i-1]!=0;i++){
		tok=(char**)realloc(tok, i*sizeof(char*)+1);
		tok[i]=xsep(0, sep);
	}
	*len=i;
	return tok;
}