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Don't truncate hosts file path on Windows.

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Since evutil_snprintf() (actually evutil_vsnprintf() called by it) will
make sure the buffer is null-terminated by placing a null byte at
len_out - 1, we need to pass the full length of the buffer; otherwise
the path will end in "\\host" instead of "\\hosts".
This commit is contained in:
Vilmos Nebehaj 2014-03-21 14:38:11 +01:00
parent a0b247cdc0
commit d0dc861b88
1 changed files with 2 additions and 2 deletions
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4
evdns.c
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@ -3555,8 +3555,8 @@ evdns_get_default_hosts_filename(void)
if (! SHGetSpecialFolderPathA(NULL, path, CSIDL_SYSTEM, 0))
return NULL;
len_out = strlen(path)+strlen(hostfile);
path_out = mm_malloc(len_out+1);
len_out = strlen(path)+strlen(hostfile)+1;
path_out = mm_malloc(len_out);
evutil_snprintf(path_out, len_out, "%s%s", path, hostfile);
return path_out;
#else