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simplify libre_redirect code

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This commit is contained in:
NunoSempere 2024-03-23 16:44:01 -03:00
parent 8f4b4b9abf
commit 43cac7f3f1
1 changed files with 20 additions and 33 deletions
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53
plugins/libre_redirect/libre_redirect.c
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@ -7,28 +7,18 @@
#define LIBRE_N 50
/* Uncomment for debug */
/* #define DEBUG */
/* Inspired by https://libredirect.github.io/, but in C. */
int libre_redirect(const char* uri, char* output)
{
int l1 = strlen(uri);
int l2 = strlen(output);
int len;
char tmp_uri[l2++];
char tmp_output[l2++];
int len_uri = strlen(uri);
int len_output = strlen(output);
char tmp_uri[len_output++];
if ((l2 - l1) < LIBRE_N) {
#ifdef DEBUG
if ((len_output - len_uri) < LIBRE_N) {
printf("Not enough memory\n");
#endif
return 1; // not enough memory.
} else {
strcpy(tmp_uri, uri); // strcpy also copies the terminating '\0'
strcpy(tmp_output, output);
char* annoying_sites[] = {
"https://www.reddit.com",
"https://www.youtube.com",
@ -55,30 +45,27 @@ int libre_redirect(const char* uri, char* output)
// "https://nitter.net"
};
len = sizeof(annoying_sites) / sizeof(annoying_sites[0]);
int len = sizeof(annoying_sites) / sizeof(annoying_sites[0]);
for (int i = 0; i < len; i++) {
strcpy(tmp_uri, uri);
str_init(output, len_output);
int replace_check = str_replace_start(tmp_uri, annoying_sites[i],
alternatives[i], output);
if (replace_check == 2) {
#ifdef DEBUG
printf("tmp_uri: %s\n", tmp_uri);
printf("output: %s\n", output);
#endif
return 2;
} else if (replace_check == 1) {
#ifdef DEBUG
printf("replace_check failed\n");
#endif
return 1;
switch(replace_check){
case 0: // no match found
break;
case 1: // str_replace_start somehow failed
printf("str_replace_start failed\n");
return 1;
break;
case 2: // match succeeded
return 2;
break;
default:
printf("Unreachable state");
}
strcpy(tmp_uri, output);
str_init(output, l2);
}
strcpy(output, tmp_uri);
strcpy(output, uri);
}
#ifdef DEBUG
printf("No match found\n\n");
#endif
return 0;
}