[agd-cvs] client sys.c,NONE,1.1 sys.h,NONE,1.1

[Peep P. <so...@us...>]

Update of /cvsroot/agd/client
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv947

Added Files:
	sys.c sys.h 
Log Message:
Various utility functions.

--- NEW FILE: sys.h ---
#ifndef _SYS_H
#define _SYS_H

#define VERSION "v1.0*10-42"
#define NET_DEFAULT_PORT 6868

void *xmalloc(size_t bytes);
void *xrealloc(void *ptr, size_t bytes);
char *xstrdup(char *s);

int count_lines(char *s);

typedef struct {
	char *host;
	int port;
} conf_t;
extern conf_t conf;

typedef struct {
	char **str;
	int num;
} exploded_t;
exploded_t *explode(char *str, char *delim);

#endif

--- NEW FILE: sys.c ---
#include <stdlib.h>
#include "sys.h"

conf_t conf;

void *xmalloc(size_t bytes)
{
	void *ptr;
	ptr = malloc(bytes);
	if(!ptr) {
		printf("Out of memory!\n");
		exit(1);
	}
	return ptr;
}

void *xrealloc(void *ptr, size_t bytes)
{
	void *new_ptr;
	new_ptr = realloc(ptr, bytes);
	if(!new_ptr) {
		printf("Out of memory!\n");
		exit(1);
	}
	return new_ptr;
}

char *xstrdup(char *s)
{
	char *p;
	p = xmalloc(strlen(s) + 1);
	return strcpy(p, s);
}

int count_lines(char *str)
{
	int i, num;
	i = 0;
	
	if(str[0] && str[0] != '\n')
		num = 1;
	while(1) {
		if(str[i] == '\0') {
			if(str[i-1] != '\n')
				num++;
			break;
		}
		
		if(str[i++] == '\n')
			num++;
	}

	return num;
}

exploded_t *explode(char *str, char *delim)
{
	char *bgn, *end;
	exploded_t *ret;
	int len;

	ret = xmalloc(sizeof(exploded_t));
	ret->str = NULL;
	ret->num = 0;

	bgn = str;
	while(1) {
		if(!bgn)
			break;

		end = strstr(bgn, delim);
		if(end)
			len = end - bgn;
		else
			len = strlen(bgn);

		ret->num++;
		ret->str = xrealloc(ret->str, ret->num * sizeof(char*));
		ret->str[ret->num-1] = xmalloc(len + 1);
		strncpy(ret->str[ret->num-1], bgn, len);
		ret->str[ret->num-1][len] = '\0';

		if(!end)
			break;
		bgn = end + 1;
	}

	return ret;
}