64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
#include "str_replace_start.h"
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#include <string.h>
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#include <stdio.h>
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#include <stdbool.h>
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#define LIBRE_N 12
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#define DEBUG false
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/* Inspired by https://libredirect.github.io/, but in C. */
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void str_init(char* str, int n){
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for(int i=0; i<n; i++){
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str[i] = ' ';
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}
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str[n] = '\0';
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} // could also use <https://manpages.ubuntu.com/manpages/impish/man3/strinit.3pub.html>
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int libre_redirect(const char* uri, char* output){
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int l1 = strlen(uri);
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int l2 = strlen(output);
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if((l2 - l1) < LIBRE_N){
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if(DEBUG) printf("Not enough memory\n");
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return 1; // not enough memory.
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}else{
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char tmp_uri[l2++];
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char tmp_output[l2++];
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strcpy(tmp_uri, uri); // strcpy also copies the terminating '\0'
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strcpy(tmp_output, output);
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char* sites[] = {
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"https://www.youtube.com",
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"https://www.reddit.com",
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"https://medium.com",
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"https://translate.google.com"
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};
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char* alternatives[] = {
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"https://yt.artemislena.eu",
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"https://teddit.nunosempere.com",
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"https://scribe.rip",
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"https://simplytranslate.org/"
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};
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for(int i=1; i<4; i++){
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int replace_check = str_replace_start(tmp_uri, sites[i], alternatives[i], output);
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if(replace_check == 2){
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if(DEBUG) printf("tmp_uri: %s\n", tmp_uri);
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if(DEBUG) printf("output: %s\n", output);
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// strcpy(output, tmp_uri);
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// break;
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return 2;
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}else if(replace_check == 1){
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if(DEBUG) printf("replace_check failed\n");
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return 1;
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}
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strcpy(tmp_uri, output);
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str_init(output, l2);
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}
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strcpy(output, tmp_uri);
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}
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return 0;
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}
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