find: Fix flushing input buffer with -ok

The original flush-stdin loop (with fgets()) hung until the user
entered some extraneous characters for it to kill.

emg's FIXME about nulls still applies.
This commit is contained in:
Wolfgang Corcoran-Mathe 2015-06-15 15:27:37 -04:00 committed by sin
parent 1490b37bd2
commit cf769f2d8d

6
find.c
View File

@ -408,16 +408,16 @@ pri_ok(struct arg *arg)
{
int status, reply;
pid_t pid;
char ***brace, buf[256];
char ***brace, c;
struct okarg *o = arg->extra.p;
fprintf(stderr, "%s: %s ?", *o->argv, arg->path);
reply = fgetc(stdin);
/* throw away rest of line */
while (fgets(buf, sizeof(buf), stdin) && *buf && buf[strlen(buf) - 1] == '\n')
while ((c = fgetc(stdin)) != '\n' && c != EOF)
/* FIXME: what if the first character of the rest of the line is a null
* byte? probably shouldn't juse fgets() */
* byte? */
;
if (feof(stdin)) /* FIXME: ferror()? */