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127 lines
2.5 KiB
127 lines
2.5 KiB
/*
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* test_extent.c --- tester for the extent abstraction
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*
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* Copyright (C) 1997, 1998 by Theodore Ts'o and
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* PowerQuest, Inc.
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*
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* Copyright (C) 1999, 2000 by Theodore Ts'o
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU Public
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* License.
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* %End-Header%
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*/
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#include "config.h"
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#include "resize2fs.h"
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void do_test(FILE *in, FILE *out);
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void do_test(FILE *in, FILE *out)
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{
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char buf[128];
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char *cp, *cmd, *arg1, *arg2;
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__u64 num1, num2;
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__u64 size;
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errcode_t retval;
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ext2_extent extent = 0;
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const char *no_table = "# No extent table\n";
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while (!feof(in)) {
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if (!fgets(buf, sizeof(buf), in))
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break;
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/*
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* Ignore comments
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*/
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if (buf[0] =='#')
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continue;
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/*
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* Echo command
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*/
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fputs(buf, out);
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cp = strchr(buf, '\n');
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if (cp)
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*cp = '\0';
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/*
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* Parse command line; simple, at most two arguments
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*/
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cmd = buf;
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num1 = num2 = 0;
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arg1 = arg2 = 0;
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cp = strchr(buf, ' ');
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if (cp) {
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*cp++ = '\0';
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arg1 = cp;
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num1 = strtoul(arg1, 0, 0);
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cp = strchr(cp, ' ');
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}
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if (cp) {
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*cp++ = '\0';
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arg2 = cp;
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num2 = strtoul(arg2, 0, 0);
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}
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if (!strcmp(cmd, "create")) {
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retval = ext2fs_create_extent_table(&extent, num1);
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if (retval) {
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handle_error:
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fprintf(out, "# Error: %s\n",
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error_message(retval));
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continue;
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}
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continue;
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}
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if (!extent) {
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fputs(no_table, out);
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continue;
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}
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if (!strcmp(cmd, "free")) {
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ext2fs_free_extent_table(extent);
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extent = 0;
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} else if (!strcmp(cmd, "add")) {
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retval = ext2fs_add_extent_entry(extent, num1, num2);
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if (retval)
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goto handle_error;
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} else if (!strcmp(cmd, "lookup")) {
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num2 = ext2fs_extent_translate(extent, num1);
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fprintf(out, "# Answer: %llu%s\n", num2,
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num2 ? "" : " (not found)");
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} else if (!strcmp(cmd, "dump")) {
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ext2fs_extent_dump(extent, out);
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} else if (!strcmp(cmd, "iter_test")) {
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retval = ext2fs_iterate_extent(extent, 0, 0, 0);
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if (retval)
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goto handle_error;
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while (1) {
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retval = ext2fs_iterate_extent(extent,
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&num1, &num2, &size);
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if (retval)
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goto handle_error;
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if (!size)
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break;
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fprintf(out, "# %llu -> %llu (%llu)\n",
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num1, num2, size);
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}
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} else
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fputs("# Syntax error\n", out);
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}
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if (extent)
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ext2fs_free_extent_table(extent);
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}
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#ifdef __GNUC__
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#define ATTR(x) __attribute__(x)
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#else
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#define ATTR(x)
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#endif
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int main(int argc ATTR((unused)), char **argv ATTR((unused)))
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{
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do_test(stdin, stdout);
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exit(0);
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}
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