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Small change to filemode #6

Manually merged
jacob.windle merged 1 commits from feature/delete-host into master 2020-01-18 13:13:14 +00:00
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1 changed files with 1 additions and 3 deletions
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main.c
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@ -43,15 +43,13 @@ FILE *fopenHostsFile(char *mode) {
* @param hostsFile * @param hostsFile
*/ */
void modifyHostsFile(char *oldhost, char *newhost, int deleteHost) { void modifyHostsFile(char *oldhost, char *newhost, int deleteHost) {
FILE *hostsFile = fopenHostsFile("r"); FILE *hostsFile = fopenHostsFile("r+");
char buf[256]; char buf[256];
char *ptr, *f; char *ptr, *f;
char newHostsFile[4096]; char newHostsFile[4096];
memset(newHostsFile, 0, 4096); memset(newHostsFile, 0, 4096);
// fseek(hostsFile, 0, SEEK_SET);
while (fgets(buf, 256, hostsFile) != NULL) while (fgets(buf, 256, hostsFile) != NULL)
{ {
f = strcasestr(buf, oldhost); f = strcasestr(buf, oldhost);