www.pudn.com > testCGI.rar > test.c

 
#include  
#include  
 
typedef struct  
{ 
	char name[20]; 
	char val[20]; 
} entry; 
 
void getword(char *word, char *line, char stop); 
char x2c(char *what); 
void unescape_url(char *url); 
void plustospace(char *str); 
 
 
 
main(int argc, char *argv[])  
{ 
	entry entries[5]; 
	register int x,m=0; 
	char *cl; 
 
	printf("Content-type: text/html%c%c",10,10); 
 
	if(strcmp(getenv("REQUEST_METHOD"),"GET"))  
	{ 
		printf("This script should be referenced with a METHOD of GET.\n"); 
		exit(1); 
	} 
 
	cl = getenv("QUERY_STRING"); 
 
	if(cl == NULL)  
	{ 
		printf("No query information to decode.\n"); 
		exit(1); 
	} 
	for(x=0;cl[0] != '\0';x++)  
	{ 
		m=x; 
		getword(entries[x].val,cl,'&'); 
		plustospace(entries[x].val); 
		unescape_url(entries[x].val); 
		getword(entries[x].name,entries[x].val,'='); 
	} 
 
	printf("
CGI 测试
"); 
	printf("您 输 入 的 信 息 如 下 ∶ 
%c",10); 
	printf("
%c",10); 
 
	for(x=0; x <= m; x++) 
	{ 
		printf("
 %s = %s%c",entries[x].name,entries[x].val,10); 
		printf("
%c",10); 
	} 
} 
 
 
	void getword(char *word, char *line, char stop)  
	{ 
		int x = 0,y; 
 
		for(x=0;((line[x]) && (line[x] != stop));x++) 
		word[x] = line[x]; 
 
		word[x] = '\0'; 
		if(line[x]) ++x; 
		y=0; 
 
		while(line[y++] = line[x++]); 
	} 
 
	char x2c(char *what)  
	{ 
		register char digit; 
 
		digit = (what[0] >= 'A' ? ((what[0] & 0xdf) - 'A')+10 : (what[0] - '0')); 
		digit *= 16; 
		digit += (what[1] >= 'A' ? ((what[1] & 0xdf) - 'A')+10 : (what[1] - '0')); 
		return(digit); 
	} 
 
	void unescape_url(char *url)  
	{ 
		register int x,y; 
 
		for(x=0,y=0;url[y];++x,++y)  
		{ 
			if((url[x] = url[y]) == '%')  
			{ 
				url[x] = x2c(&url[y+1]); 
				y+=2; 
			} 
		} 
		url[x] = '\0'; 
	} 
 
	void plustospace(char *str)  
	{ 
		register int x; 
 
		for(x=0;str[x];x++)  
		if(str[x] == '+')  
		{ 
			str[x] = ' '; 
		} 
	}