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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:49:25 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:49:25 +0000
commit464df1d5e5ab1322e2dd0a7796939fff1aeefa9a (patch)
tree6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /resize/test_extent.c
parentInitial commit. (diff)
downloade2fsprogs-upstream/1.47.0.tar.xz
e2fsprogs-upstream/1.47.0.zip
Adding upstream version 1.47.0.upstream/1.47.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'resize/test_extent.c')
-rw-r--r--resize/test_extent.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/resize/test_extent.c b/resize/test_extent.c
new file mode 100644
index 0000000..11ad132
--- /dev/null
+++ b/resize/test_extent.c
@@ -0,0 +1,129 @@
+/*
+ * test_extent.c --- tester for the extent abstraction
+ *
+ * Copyright (C) 1997, 1998 by Theodore Ts'o and
+ * PowerQuest, Inc.
+ *
+ * Copyright (C) 1999, 2000 by Theodore Ts'o
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include "resize2fs.h"
+
+void do_test(FILE *in, FILE *out);
+
+void do_test(FILE *in, FILE *out)
+{
+ char buf[128];
+ char *cp, *cmd, *arg1, *arg2;
+ __u64 num1, num2;
+ __u64 size;
+ errcode_t retval;
+ ext2_extent extent = 0;
+ const char *no_table = "# No extent table\n";
+
+ while (!feof(in)) {
+ if (!fgets(buf, sizeof(buf), in))
+ break;
+ /*
+ * Ignore comments
+ */
+ if (buf[0] =='#')
+ continue;
+
+ /*
+ * Echo command
+ */
+ fputs(buf, out);
+
+ cp = strchr(buf, '\n');
+ if (cp)
+ *cp = '\0';
+
+ /*
+ * Parse command line; simple, at most two arguments
+ */
+ cmd = buf;
+ num1 = num2 = 0;
+ arg1 = arg2 = 0;
+ cp = strchr(buf, ' ');
+ if (cp) {
+ *cp++ = '\0';
+ arg1 = cp;
+ num1 = strtoul(arg1, 0, 0);
+
+ cp = strchr(cp, ' ');
+ }
+ if (cp) {
+ *cp++ = '\0';
+ arg2 = cp;
+ num2 = strtoul(arg2, 0, 0);
+ }
+
+ if (!strcmp(cmd, "create")) {
+ retval = ext2fs_create_extent_table(&extent, num1);
+ if (retval) {
+ handle_error:
+ fprintf(out, "# Error: %s\n",
+ error_message(retval));
+ continue;
+ }
+ continue;
+ }
+ if (!extent) {
+ fputs(no_table, out);
+ continue;
+ }
+ if (!strcmp(cmd, "free")) {
+ ext2fs_free_extent_table(extent);
+ extent = 0;
+ } else if (!strcmp(cmd, "add")) {
+ retval = ext2fs_add_extent_entry(extent, num1, num2);
+ if (retval)
+ goto handle_error;
+ } else if (!strcmp(cmd, "lookup")) {
+ num2 = ext2fs_extent_translate(extent, num1);
+ fprintf(out, "# Answer: %llu%s\n",
+ (unsigned long long) num2,
+ num2 ? "" : " (not found)");
+ } else if (!strcmp(cmd, "dump")) {
+ ext2fs_extent_dump(extent, out);
+ } else if (!strcmp(cmd, "iter_test")) {
+ retval = ext2fs_iterate_extent(extent, 0, 0, 0);
+ if (retval)
+ goto handle_error;
+ while (1) {
+ retval = ext2fs_iterate_extent(extent,
+ &num1, &num2, &size);
+ if (retval)
+ goto handle_error;
+ if (!size)
+ break;
+ fprintf(out, "# %llu -> %llu (%llu)\n",
+ (unsigned long long) num1,
+ (unsigned long long) num2,
+ (unsigned long long) size);
+ }
+ } else
+ fputs("# Syntax error\n", out);
+ }
+ if (extent)
+ ext2fs_free_extent_table(extent);
+}
+
+#ifdef __GNUC__
+#define ATTR(x) __attribute__(x)
+#else
+#define ATTR(x)
+#endif
+
+int main(int argc ATTR((unused)), char **argv ATTR((unused)))
+{
+ do_test(stdin, stdout);
+ exit(0);
+}