* [PATCH] sim: check asprintf return values
@ 2010-12-30 21:24 Mike Frysinger
2011-01-12 18:15 ` Mike Frysinger
0 siblings, 1 reply; 4+ messages in thread
From: Mike Frysinger @ 2010-12-30 21:24 UTC (permalink / raw)
To: gdb-patches; +Cc: toolchain-devel
These are the last sources of build warnings (asprintf usage) that I see.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-12-30 Mike Frysinger <vapier@gentoo.org>
* sim-module.c (sim_pre_argv_init): Return SIM_RC_FAIL when asprintf
fails.
* sim-options.c (sim_parse_args): Issue an error and return SIM_RC_FAIL
when asprintf fails.
* sim-utils.c (sim_do_commandf): Issue an error and return when
asprintf fails.
* sim-watch.c (sim_watchpoint_install): Return SIM_RC_FAIL when
asprintf fails.
---
sim/common/sim-module.c | 3 ++-
sim/common/sim-options.c | 7 ++++++-
sim/common/sim-utils.c | 7 ++++++-
sim/common/sim-watch.c | 7 ++++---
4 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/sim/common/sim-module.c b/sim/common/sim-module.c
index 0180d07..1c48b29 100644
--- a/sim/common/sim-module.c
+++ b/sim/common/sim-module.c
@@ -88,7 +88,8 @@ sim_pre_argv_init (SIM_DESC sd, const char *myname)
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
char *name;
- asprintf (&name, "cpu%d", i);
+ if (asprintf (&name, "cpu%d", i) < 0)
+ return SIM_RC_FAIL;
CPU_NAME (STATE_CPU (sd, i)) = name;
}
}
diff --git a/sim/common/sim-options.c b/sim/common/sim-options.c
index c01cce5..2df91e3 100644
--- a/sim/common/sim-options.c
+++ b/sim/common/sim-options.c
@@ -621,7 +621,12 @@ sim_parse_args (SIM_DESC sd, char **argv)
char *name;
*lp = opt->opt;
/* Prepend --<cpuname>- to the option. */
- asprintf (&name, "%s-%s", CPU_NAME (cpu), lp->name);
+ if (asprintf (&name, "%s-%s", CPU_NAME (cpu), lp->name) < 0)
+ {
+ sim_io_eprintf (sd, "internal error, out of memory");
+ result = SIM_RC_FAIL;
+ break;
+ }
lp->name = name;
/* Dynamically assign `val' numbers for long options. */
lp->val = i++;
diff --git a/sim/common/sim-utils.c b/sim/common/sim-utils.c
index 9f9104e..a50358a 100644
--- a/sim/common/sim-utils.c
+++ b/sim/common/sim-utils.c
@@ -336,7 +336,12 @@ sim_do_commandf (SIM_DESC sd,
va_list ap;
char *buf;
va_start (ap, fmt);
- vasprintf (&buf, fmt, ap);
+ if (vasprintf (&buf, fmt, ap) < 0)
+ {
+ sim_io_eprintf (sd, "%s: asprintf failed for `%s'\n",
+ STATE_MY_NAME (sd), fmt);
+ return;
+ }
sim_do_command (sd, buf);
va_end (ap);
free (buf);
diff --git a/sim/common/sim-watch.c b/sim/common/sim-watch.c
index 1bf2703..c1d33be 100644
--- a/sim/common/sim-watch.c
+++ b/sim/common/sim-watch.c
@@ -411,9 +411,10 @@ sim_watchpoint_install (SIM_DESC sd)
char *name;
int nr = interrupt_nr * nr_watchpoint_types + type;
OPTION *option = &int_options[nr];
- asprintf (&name, "watch-%s-%s",
- watchpoint_type_to_str (sd, type),
- interrupt_nr_to_str (sd, interrupt_nr));
+ if (asprintf (&name, "watch-%s-%s",
+ watchpoint_type_to_str (sd, type),
+ interrupt_nr_to_str (sd, interrupt_nr)) < 0)
+ return SIM_RC_FAIL;
option->opt.name = name;
option->opt.has_arg = required_argument;
option->opt.val = type_to_option (sd, type, interrupt_nr);
--
1.7.3.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] sim: check asprintf return values
2010-12-30 21:24 [PATCH] sim: check asprintf return values Mike Frysinger
@ 2011-01-12 18:15 ` Mike Frysinger
2011-01-12 21:24 ` Joel Brobecker
0 siblings, 1 reply; 4+ messages in thread
From: Mike Frysinger @ 2011-01-12 18:15 UTC (permalink / raw)
To: gdb-patches; +Cc: toolchain-devel
[-- Attachment #1: Type: Text/Plain, Size: 610 bytes --]
On Thursday, December 30, 2010 16:08:31 Mike Frysinger wrote:
> These are the last sources of build warnings (asprintf usage) that I see.
> 2010-12-30 Mike Frysinger <vapier@gentoo.org>
>
> * sim-module.c (sim_pre_argv_init): Return SIM_RC_FAIL when asprintf
> fails.
> * sim-options.c (sim_parse_args): Issue an error and return SIM_RC_FAIL
> when asprintf fails.
> * sim-utils.c (sim_do_commandf): Issue an error and return when
> asprintf fails.
> * sim-watch.c (sim_watchpoint_install): Return SIM_RC_FAIL when
> asprintf fails.
i guess this one i could merge as obvious ?
-mike
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] sim: check asprintf return values
2011-01-12 18:15 ` Mike Frysinger
@ 2011-01-12 21:24 ` Joel Brobecker
2011-01-12 22:05 ` Mike Frysinger
0 siblings, 1 reply; 4+ messages in thread
From: Joel Brobecker @ 2011-01-12 21:24 UTC (permalink / raw)
To: Mike Frysinger; +Cc: gdb-patches, toolchain-devel
> > * sim-module.c (sim_pre_argv_init): Return SIM_RC_FAIL when asprintf
> > fails.
> > * sim-options.c (sim_parse_args): Issue an error and return SIM_RC_FAIL
> > when asprintf fails.
> > * sim-utils.c (sim_do_commandf): Issue an error and return when
> > asprintf fails.
> > * sim-watch.c (sim_watchpoint_install): Return SIM_RC_FAIL when
> > asprintf fails.
Sorry for the delay in the review. This looks OK to me.
--
Joel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] sim: check asprintf return values
2011-01-12 21:24 ` Joel Brobecker
@ 2011-01-12 22:05 ` Mike Frysinger
0 siblings, 0 replies; 4+ messages in thread
From: Mike Frysinger @ 2011-01-12 22:05 UTC (permalink / raw)
To: Joel Brobecker; +Cc: gdb-patches, toolchain-devel
[-- Attachment #1: Type: Text/Plain, Size: 563 bytes --]
On Wednesday, January 12, 2011 16:23:11 Joel Brobecker wrote:
> > > * sim-module.c (sim_pre_argv_init): Return SIM_RC_FAIL when asprintf
> > > fails.
> > > * sim-options.c (sim_parse_args): Issue an error and return
> > > SIM_RC_FAIL when asprintf fails.
> > > * sim-utils.c (sim_do_commandf): Issue an error and return when
> > > asprintf fails.
> > > * sim-watch.c (sim_watchpoint_install): Return SIM_RC_FAIL when
> > > asprintf fails.
>
> Sorry for the delay in the review. This looks OK to me.
thanks ... i've committed it then
-mike
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^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-01-12 21:58 UTC | newest]
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2010-12-30 21:24 [PATCH] sim: check asprintf return values Mike Frysinger
2011-01-12 18:15 ` Mike Frysinger
2011-01-12 21:24 ` Joel Brobecker
2011-01-12 22:05 ` Mike Frysinger
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