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fix "if (p) free(p)" constructs

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This commit is contained in:
Denis Vlasenko 2007-09-28 22:07:23 +00:00
parent e918e155ed
commit 6081868ee3
3 changed files with 6 additions and 11 deletions
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2
editors/sed.c
View File

@ -157,7 +157,7 @@ static void sed_free_and_close_stuff(void)
sed_cmd = sed_cmd_next;
}
if (G.hold_space) free(G.hold_space);
free(G.hold_space);
while (G.current_input_file < G.input_file_count)
fclose(G.input_file_list[G.current_input_file++]);

12
shell/ash.c
View File

@ -5328,8 +5328,7 @@ expbackq(union node *cmd, int quoted, int quotes)
p = buf;
}
if (in.buf)
free(in.buf);
free(in.buf);
if (in.fd >= 0) {
close(in.fd);
back_exitstatus = waitforjob(in.jp);
@ -8788,8 +8787,7 @@ popfile(void)
INT_OFF;
if (pf->fd >= 0)
close(pf->fd);
if (pf->buf)
free(pf->buf);
free(pf->buf);
while (pf->strpush)
popstring();
parsefile = pf->prev;
@ -10330,8 +10328,7 @@ parsebackq: {
#endif
savepbq = parsebackquote;
if (setjmp(jmploc.loc)) {
if (str)
free(str);
free(str);
parsebackquote = 0;
exception_handler = savehandler;
longjmp(exception_handler->loc, 1);
@ -11264,8 +11261,7 @@ trapcmd(int argc, char **argv)
else
action = ckstrdup(action);
}
if (trap[signo])
free(trap[signo]);
free(trap[signo]);
trap[signo] = action;
if (signo != 0)
setsignal(signo);

3
shell/lash.c
View File

@ -455,8 +455,7 @@ static void free_job(struct job *cmd)
for (i = 0; i < cmd->num_progs; i++) {
free(cmd->progs[i].argv);
#if ENABLE_LASH_PIPE_N_REDIRECTS
if (cmd->progs[i].redirects)
free(cmd->progs[i].redirects);
free(cmd->progs[i].redirects);
#endif
}
free(cmd->progs);