return ret;
}
+static int close_no_errno(int fd)
+{
+ int ret = 0, serrno = errno;
+ if (close(fd) < 0)
+ ret = errno;
+ errno = serrno;
+ return ret;
+}
+
void *grab_fd(const void *ctx, int fd)
{
int ret;
return buffer;
}
+
+void *grab_file(const void *ctx, const char *filename)
+{
+ int fd;
+ char *buffer;
+
+ if (streq(filename, "-"))
+ fd = dup(STDIN_FILENO);
+ else
+ fd = open(filename, O_RDONLY, 0);
+
+ if (fd < 0)
+ return NULL;
+
+ buffer = grab_fd(ctx, fd);
+ close_no_errno(fd);
+ return buffer;
+}