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e695879142
These warnings are all off by default, but if they do fire you get spurious ERRORs when running make check-libctf. libctf/ChangeLog 2021-09-27 Nick Alcock <nick.alcock@oracle.com> * testsuite/libctf-lookup/enum-symbol.c: Remove unused label. * testsuite/libctf-lookup/conflicting-type-syms.c: Remove unused variables. * testsuite/libctf-regression/pptrtab.c: Likewise. * testsuite/libctf-regression/type-add-unnamed-struct.c: Likewise. * testsuite/libctf-writable/pptrtab.c: Likewise. * testsuite/libctf-writable/reserialize-strtab-corruption.c: Likewise. * testsuite/libctf-regression/nonstatic-var-section-ld-r.c: Fix format string. * testsuite/libctf-regression/nonstatic-var-section-ld.c: Likewise. * testsuite/libctf-regression/nonstatic-var-section-ld.lk: Adjust. * testsuite/libctf-writable/symtypetab-nonlinker-writeout.c: Fix initializer.
91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/* Make sure serializing a dict (possibly repeatedly) does not corrupt either
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type lookup or the string content of the dict. */
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#include <ctf-api.h>
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#include <stdio.h>
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#include <stdlib.h>
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int
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main (int argc, char *argv[])
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{
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ctf_dict_t *fp;
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ctf_id_t zygal, autoschediastic;
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ctf_snapshot_id_t snap;
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unsigned char *foo;
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size_t foo_size;
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int err;
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char name[64];
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/* Adding things after serialization should not corrupt names created before
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serialization. */
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if ((fp = ctf_create (&err)) == NULL)
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goto create_err;
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if ((zygal = ctf_add_struct (fp, CTF_ADD_ROOT, "zygal")) == CTF_ERR)
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goto add_err;
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if ((foo = ctf_write_mem (fp, &foo_size, 4096)) == NULL)
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goto write_err;
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free (foo);
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if (ctf_type_name (fp, zygal, name, sizeof (name)) == NULL)
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fprintf (stderr, "Can't get name of zygal: %s\n", ctf_errmsg (ctf_errno (fp)));
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else
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printf ("zygal's name is %s\n", name);
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if ((autoschediastic = ctf_add_enum (fp, CTF_ADD_ROOT, "autoschediastic")) == CTF_ERR)
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goto add_err;
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if (ctf_type_name (fp, zygal, name, sizeof (name)) == NULL)
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fprintf (stderr, "Can't get name of zygal: %s\n", ctf_errmsg (ctf_errno (fp)));
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else
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printf ("zygal's name is %s\n", name);
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/* Serializing again should not corrupt names either. */
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if ((foo = ctf_write_mem (fp, &foo_size, 4096)) == NULL)
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goto write_err;
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free (foo);
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if (ctf_type_name (fp, zygal, name, sizeof (name)) == NULL)
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fprintf (stderr, "Can't get name of zygal: %s\n", ctf_errmsg (ctf_errno (fp)));
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else
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printf ("zygal's name is %s\n", name);
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/* Add another new name, roll back, and make sure the strings are
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uncorrupted. */
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snap = ctf_snapshot (fp);
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if (ctf_add_enumerator (fp, autoschediastic, "aichmophobia", 0) < 0)
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goto add_err;
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if (ctf_rollback (fp, snap) < 0)
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goto roll_err;
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if (ctf_type_name (fp, zygal, name, sizeof (name)) == NULL)
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fprintf (stderr, "Can't get name of zygal: %s\n", ctf_errmsg (ctf_errno (fp)));
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else
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printf ("zygal's name is %s after first rollback\n", name);
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if (ctf_type_name (fp, autoschediastic, name, sizeof (name)) == NULL)
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fprintf (stderr, "Can't get name of autoschediastic: %s\n", ctf_errmsg (ctf_errno (fp)));
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else
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printf ("autoschediastic's name is %s after first rollback\n", name);
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ctf_dict_close (fp);
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return 0;
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create_err:
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fprintf (stderr, "Cannot create: %s\n", ctf_errmsg (err));
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return 1;
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add_err:
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fprintf (stderr, "Cannot add: %s\n", ctf_errmsg (ctf_errno (fp)));
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return 1;
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write_err:
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fprintf (stderr, "Cannot serialize: %s\n", ctf_errmsg (ctf_errno (fp)));
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return 1;
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roll_err:
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fprintf (stderr, "Cannot roll back: %s\n", ctf_errmsg (ctf_errno (fp)));
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return 1;
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}
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