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-rw-r--r--ctdb/tests/src/line_test.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/ctdb/tests/src/line_test.c b/ctdb/tests/src/line_test.c
new file mode 100644
index 0000000..806d883
--- /dev/null
+++ b/ctdb/tests/src/line_test.c
@@ -0,0 +1,102 @@
+/*
+ Test code for line based I/O over fds
+
+ Copyright (C) Amitay Isaacs 2018
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include "system/filesys.h"
+
+#include <talloc.h>
+#include <assert.h>
+
+#include "common/line.c"
+
+static int line_print(char *line, void *private_data)
+{
+ printf("%s\n", line);
+ fflush(stdout);
+
+ return 0;
+}
+
+int main(int argc, const char **argv)
+{
+ TALLOC_CTX *mem_ctx;
+ size_t hint = 32;
+ pid_t pid;
+ int ret, lines = 0;
+ int pipefd[2];
+
+ if (argc < 2 || argc > 3) {
+ fprintf(stderr, "Usage: %s <filename> [<hint>]\n", argv[0]);
+ exit(1);
+ }
+
+ if (argc == 3) {
+ long value;
+
+ value = atol(argv[2]);
+ assert(value > 0);
+ hint = value;
+ }
+
+ ret = pipe(pipefd);
+ assert(ret == 0);
+
+ pid = fork();
+ assert(pid != -1);
+
+ if (pid == 0) {
+ char buffer[16];
+ ssize_t n, n2;
+ int fd;
+
+ close(pipefd[0]);
+
+ fd = open(argv[1], O_RDONLY);
+ assert(fd != -1);
+
+ while (1) {
+ n = read(fd, buffer, sizeof(buffer));
+ assert(n >= 0 && (size_t)n <= sizeof(buffer));
+
+ if (n == 0) {
+ break;
+ }
+
+ n2 = write(pipefd[1], buffer, n);
+ assert(n2 == n);
+ }
+
+ close(pipefd[1]);
+ close(fd);
+
+ exit(0);
+ }
+
+ close(pipefd[1]);
+
+ mem_ctx = talloc_new(NULL);
+ assert(mem_ctx != NULL);
+
+ ret = line_read(pipefd[0], hint, NULL, line_print, NULL, &lines);
+ assert(ret == 0);
+
+ talloc_free(mem_ctx);
+
+ return lines;
+}