jadedctrl/ chicken-xattr
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Fix buffer sizes in xattr_ext.c

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Jaidyn Ann 2022-11-02 14:04:27 -05:00
parent fbf8ffce43
commit c91be88e6d
1 changed files with 7 additions and 7 deletions
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14
xattr_ext.c
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@ -22,15 +22,15 @@
char*
get_xattr(const char* path, const char* attr, int* error_code)
{
ssize_t value_length = getxattr(path, attr, NULL, 0);
if (value_length == -1) {
ssize_t value_size = getxattr(path, attr, NULL, 0);
if (value_size == -1) {
*error_code = errno;
return NULL;
}
char* value = (char*) malloc(value_length);
ssize_t new_length = getxattr(path, attr, value, value_length);
*error_code = (new_length == -1) ? errno : 0;
char* value = (char*) malloc(value_size + 1);
ssize_t new_size = getxattr(path, attr, value, value_size + 1);
*error_code = (new_size == -1) ? errno : 0;
return value;
}
@ -55,8 +55,8 @@ list_xattr(const char* path, ssize_t* size, int* error_code)
return NULL;
}
char* value = (char*) malloc(value_size);
*size = llistxattr(path, value, value_size);
char* value = (char*) malloc(value_size + 1);
*size = llistxattr(path, value, value_size + 1);
*error_code = (*size == -1) ? errno : 0;
return value;
}