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libctf: dump: fix small leak

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If you asprintf something and then use it only as input to another asprintf,
it helps to free it afterwards.

libctf/
	* ctf-dump.c (ctf_dump_header): Free the flagstr after use.
	(ctf_dump): Make a NULL return slightly clearer.
This commit is contained in:
Nick Alcock
2024-07-29 18:02:03 +01:00
parent 21397b78f9
commit 4b04e01284
1 changed files with 2 additions and 1 deletions
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3
libctf/ctf-dump.c
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@@ -349,6 +349,7 @@ ctf_dump_header (ctf_dict_t *fp, ctf_dump_state_t *state)
if (asprintf (&str, "Flags: 0x%x (%s)", fp->ctf_openflags, flagstr) < 0) if (asprintf (&str, "Flags: 0x%x (%s)", fp->ctf_openflags, flagstr) < 0)
goto err; goto err;
free (flagstr);
ctf_dump_append (state, str); ctf_dump_append (state, str);
} }
@@ -814,7 +815,7 @@ ctf_dump (ctf_dict_t *fp, ctf_dump_state_t **statep, ctf_sect_names_t sect,
if (!str) if (!str)
{ {
ctf_set_errno (fp, ENOMEM); ctf_set_errno (fp, ENOMEM);
return str; return NULL;
} }
} }