NunoSempere
6ff86dcc44
1. Adds code for redirecting annoying websites to their open-source frontends, when these exist. 2. Organize this in a "plugins" folder
61 lines
1.5 KiB
C
Executable File
61 lines
1.5 KiB
C
Executable File
#include <string.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#define DEBUG false
|
|
|
|
/*
|
|
See also:
|
|
* <https://web.archive.org/web/20160201212501/coding.debuntu.org/c-implementing-str_replace-replace-all-occurrences-substring>
|
|
* https://github.com/irl/la-cucina/blob/master/str_replace.c
|
|
*/
|
|
|
|
int str_replace_start(const char* string, const char* target, const char* replacement, char* output){
|
|
|
|
int l1 = strlen(string);
|
|
int l2 = strlen(target);
|
|
int l3 = strlen(replacement);
|
|
int l4 = strlen(output);
|
|
if(DEBUG) printf("%d,%d,%d,%d\n", l1, l2, l3, l4);
|
|
// if(DEBUG) printf("%s,%s,%s,%s\n", string, target, replacement, output);
|
|
|
|
if((l4 < (l1 - l2 + l3)) || l4 < l1 ){
|
|
// Not enough memory in output string.
|
|
if(DEBUG) printf("String not long enough.\n");
|
|
return 1;
|
|
}
|
|
/* else if(l1 < l2){
|
|
// Not even possible that there is a match.
|
|
if(DEBUG) printf("Target larger than string.\n");
|
|
strcpy(output, string);
|
|
} */
|
|
else {
|
|
if(DEBUG) printf("Looking for a match for %s in %s.\n", target, string);
|
|
int match = true;
|
|
for(int i=0; i<l2; i++){
|
|
if(string[i] != target[i]){
|
|
match = false;
|
|
break;
|
|
}
|
|
}
|
|
if(match){
|
|
if(DEBUG) printf("Found match.\n");
|
|
for(int i=0; i<l3; i++){
|
|
output[i] = replacement[i];
|
|
}
|
|
int counter = l3;
|
|
for(int i=l2; i<l1; i++){
|
|
output[counter] = string[i];
|
|
counter++;
|
|
}
|
|
output[counter] = '\0';
|
|
return 2; // success
|
|
}
|
|
else {
|
|
if(DEBUG) printf("Did not find match.\n");
|
|
strcpy(output, string);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|