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mpv/url.c

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/*
* URL Helper
* by Bertrand Baudet <bertrand_baudet@yahoo.com>
* (C) 2001, MPlayer team.
*
* TODO:
* Extract the username/password if present
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "url.h"
URL_t*
url_new(char* url) {
int pos1, pos2;
URL_t* Curl;
char *ptr1, *ptr2;
// Create the URL container
Curl = (URL_t*)malloc(sizeof(URL_t));
if( Curl==NULL ) {
printf("Memory allocation failed!\n");
return NULL;
}
// Initialisation of the URL container members
memset( Curl, 0, sizeof(URL_t) );
// Copy the url in the URL container
Curl->url = (char*)malloc(strlen(url)+1);
if( Curl->url==NULL ) {
printf("Memory allocation failed!\n");
return NULL;
}
strcpy(Curl->url, url);
// extract the protocol
ptr1 = strstr(url, "://");
if( ptr1==NULL ) {
printf("Not an URL!\n");
return NULL;
}
pos1 = ptr1-url;
Curl->protocol = (char*)malloc(pos1+1);
strncpy(Curl->protocol, url, pos1);
Curl->protocol[pos1] = '\0';
// look if the port is given
ptr2 = strstr(ptr1+3, ":");
if( ptr2==NULL ) {
// No port is given
// Look if a path is given
ptr2 = strstr(ptr1+3, "/");
if( ptr2==NULL ) {
// No path/filename
// So we have an URL like http://www.hostname.com
pos2 = strlen(url);
} else {
// We have an URL like http://www.hostname.com/file.txt
pos2 = ptr2-url;
}
} else {
// We have an URL beginning like http://www.hostname.com:1212
// Get the port number
Curl->port = atoi(ptr2+1);
pos2 = ptr2-url;
}
// copy the hostname in the URL container
Curl->hostname = (char*)malloc(pos2-pos1-3+1);
if( Curl->hostname==NULL ) {
printf("Memory allocation failed!\n");
return NULL;
}
strncpy(Curl->hostname, ptr1+3, pos2-pos1-3);
Curl->hostname[pos2-pos1-3] = '\0';
// Look if a path is given
ptr2 = strstr(ptr1+3, "/");
if( ptr2!=NULL ) {
// A path/filename is given
// check if it's not a trailing '/'
if( strlen(ptr2)>1 ) {
// copy the path/filename in the URL container
Curl->file = (char*)malloc(strlen(ptr2)+1);
if( Curl->file==NULL ) {
printf("Memory allocation failed!\n");
return NULL;
}
strcpy(Curl->file, ptr2);
}
}
// Check if a filenme was given or set, else set it with '/'
if( Curl->file==NULL ) {
Curl->file = (char*)malloc(2);
if( Curl->file==NULL ) {
printf("Memory allocation failed!\n");
return NULL;
}
strcpy(Curl->file, "/");
}
return Curl;
}
void
url_free(URL_t* url) {
if(!url) return;
if(url->url) free(url->url);
if(url->protocol) free(url->protocol);
if(url->hostname) free(url->hostname);
if(url->file) free(url->file);
if(url->username) free(url->username);
if(url->password) free(url->password);
free(url);
}