Handle xlat styles when printing rlimit

shankarapailoor shankarapailoor at gmail.com
Sun Feb 17 23:37:08 UTC 2019


Hi,

>setrlimit.c:49:24: error: format '%lx' expects argument of type 'long
unsigned int', but argument 2 has type '
uint64_t' {aka 'const long long unsigned int'} [-Werror=format=]

My compiler (gcc 9.0) says uint64_t is const long unsigned int and
complains when I use %llx. I am not too sure what the right thing to do
here is my apologies.

Regards,
Shankara

On Sun, Feb 17, 2019 at 3:23 PM Dmitry V. Levin <ldv at altlinux.org> wrote:

> On Sun, Feb 17, 2019 at 03:12:14PM -0800, shankarapailoor wrote:
> > Subject: [PATCH v3] handle xlat_styles when printing rlim_cur, rlim_max
> >
> > * resource.c (sprint_rlimit{32, 64}, print_rlimfield{32,64},
> > print_rlimit{32, 64}): handle xlat styles.
> > * tests/setrlimit.c: Add XLAT_{ABBREV, RAW, VERBOSE} macros.
> > * tests/xgetrlimit.c (sprint_rlim): Likewise.
> > * tests/setrlimit-Xabbrev.c: Add new test for rlimit xlat_style.
> > * tests/setrlimit-Xraw.c: Likewise.
> > * tests/setrlimit-Xverbose.c: Likewise.
> > * tests/pure_executables.list: Add setrlimit-X{abbrev, raw,
> > verbose} tests.
> > * tests/gen_tests.in: Likewise.
> > ---
> >  resource.c                  | 58 +++++++++++++++++++++++++++++--------
> >  tests/.gitignore            |  3 ++
> >  tests/gen_tests.in          |  3 ++
> >  tests/pure_executables.list |  3 ++
> >  tests/setrlimit-Xabbrev.c   |  1 +
> >  tests/setrlimit-Xraw.c      |  2 ++
> >  tests/setrlimit-Xverbose.c  |  2 ++
> >  tests/setrlimit.c           | 22 ++++++++++++++
> >  tests/xgetrlimit.c          | 42 ++++++++++++++++++++++++---
> >  9 files changed, 120 insertions(+), 16 deletions(-)
> >  create mode 100644 tests/setrlimit-Xabbrev.c
> >  create mode 100644 tests/setrlimit-Xraw.c
> >  create mode 100644 tests/setrlimit-Xverbose.c
> >
> > diff --git a/resource.c b/resource.c
> > index 724223ef..0ebf25a8 100644
> > --- a/resource.c
> > +++ b/resource.c
> > @@ -24,11 +24,25 @@ sprint_rlim64(uint64_t lim)
> >       if (lim == UINT64_MAX)
> >               return "RLIM64_INFINITY";
> >
> > -     if (lim > 1024 && lim % 1024 == 0)
> > +     if (lim > 1024 && lim % 1024 == 0) {
> >               xsprintf(buf, "%" PRIu64 "*1024", lim / 1024);
> > -     else
> > -             xsprintf(buf, "%" PRIu64, lim);
> > -     return buf;
> > +             return buf;
> > +     }
> > +     return NULL;
> > +}
> > +
> > +static void
> > +print_rlimfield64(uint64_t rlim_field) {
> > +     const char *str = sprint_rlim64(rlim_field);
> > +
> > +     if (!str || xlat_verbose(xlat_verbosity) != XLAT_STYLE_ABBREV)
>
> Trailing whitespace here.
>
> > +             tprintf("%" PRIu64, rlim_field);
> > +
> > +     if (!str || xlat_verbose(xlat_verbosity) == XLAT_STYLE_RAW)
> > +             return;
> > +
> > +     (xlat_verbose(xlat_verbosity) == XLAT_STYLE_VERBOSE
> > +                ? tprints_comment : tprints)(str);
> >  }
> >
> >  static void
> > @@ -40,8 +54,11 @@ print_rlimit64(struct tcb *const tcp, const
> kernel_ulong_t addr)
> >       } rlim;
> >
> >       if (!umove_or_printaddr(tcp, addr, &rlim)) {
> > -             tprintf("{rlim_cur=%s,", sprint_rlim64(rlim.rlim_cur));
> > -             tprintf(" rlim_max=%s}", sprint_rlim64(rlim.rlim_max));
> > +             tprints("{rlim_cur=");
> > +             print_rlimfield64(rlim.rlim_cur);
> > +             tprints(", rlim_max=");
> > +             print_rlimfield64(rlim.rlim_max);
> > +             tprints("}");
> >       }
> >  }
> >
> > @@ -55,11 +72,25 @@ sprint_rlim32(uint32_t lim)
> >       if (lim == UINT32_MAX)
> >               return "RLIM_INFINITY";
> >
> > -     if (lim > 1024 && lim % 1024 == 0)
> > +     if (lim > 1024 && lim % 1024 == 0) {
> >               xsprintf(buf, "%" PRIu32 "*1024", lim / 1024);
> > -     else
> > -             xsprintf(buf, "%" PRIu32, lim);
> > -     return buf;
> > +             return buf;
> > +     }
> > +     return NULL;
> > +}
> > +
> > +static void
> > +print_rlimfield32(uint32_t rlim_field) {
> > +     const char *str = sprint_rlim32(rlim_field);
> > +
> > +     if (!str || xlat_verbose(xlat_verbosity) != XLAT_STYLE_ABBREV)
>
> Trailing whitespace here.
>
> > +             tprintf("%" PRIu32, rlim_field);
> > +
> > +     if (!str || xlat_verbose(xlat_verbosity) == XLAT_STYLE_RAW)
> > +             return;
> > +
> > +     (xlat_verbose(xlat_verbosity) == XLAT_STYLE_VERBOSE
> > +                ? tprints_comment : tprints)(str);
> >  }
> >
> >  static void
> > @@ -71,8 +102,11 @@ print_rlimit32(struct tcb *const tcp, const
> kernel_ulong_t addr)
> >       } rlim;
> >
> >       if (!umove_or_printaddr(tcp, addr, &rlim)) {
> > -             tprintf("{rlim_cur=%s,", sprint_rlim32(rlim.rlim_cur));
> > -             tprintf(" rlim_max=%s}", sprint_rlim32(rlim.rlim_max));
> > +             tprints("{rlim_cur=");
> > +             print_rlimfield32(rlim.rlim_cur);
> > +             tprints(", rlim_max=");
> > +             print_rlimfield32(rlim.rlim_max);
> > +             tprints("}");
> >       }
> >  }
> >
> > diff --git a/tests/.gitignore b/tests/.gitignore
> > index 24b17017..327a75cf 100644
> > --- a/tests/.gitignore
> > +++ b/tests/.gitignore
> > @@ -501,6 +501,9 @@ setresuid32
> >  setreuid
> >  setreuid32
> >  setrlimit
> > +setrlimit-Xabbrev
> > +setrlimit-Xraw
> > +setrlimit-Xverbose
> >  setuid
> >  setuid32
> >  shmxt
> > diff --git a/tests/gen_tests.in b/tests/gen_tests.in
> > index e2e70a12..1c11d2da 100644
> > --- a/tests/gen_tests.in
> > +++ b/tests/gen_tests.in
> > @@ -414,6 +414,9 @@ setresuid32       -a21
> >  setreuid     -a15
> >  setreuid32   -a17
> >  setrlimit    -a27
> > +setrlimit-Xabbrev    -a1 -e trace=setrlimit -Xabbrev
> > +setrlimit-Xraw       -a1 -e trace=setrlimit -Xraw
> > +setrlimit-Xverbose   -a1 -e trace=setrlimit -Xverbose
> >  setuid       -a10
> >  setuid32     -a12
> >  shmxt        -a11 -e trace='/(osf_)?shmat,shmdt'
> > diff --git a/tests/pure_executables.list b/tests/pure_executables.list
> > index 23aabb9e..616ee9ed 100755
> > --- a/tests/pure_executables.list
> > +++ b/tests/pure_executables.list
> > @@ -420,6 +420,9 @@ setresuid32
> >  setreuid
> >  setreuid32
> >  setrlimit
> > +setrlimit-Xabbrev
> > +setrlimit-Xraw
> > +setrlimit-Xverbose
> >  setuid
> >  setuid32
> >  shmxt
> > diff --git a/tests/setrlimit-Xabbrev.c b/tests/setrlimit-Xabbrev.c
> > new file mode 100644
> > index 00000000..d5cf2ad3
> > --- /dev/null
> > +++ b/tests/setrlimit-Xabbrev.c
> > @@ -0,0 +1 @@
> > +#include "setrlimit.c"
> > diff --git a/tests/setrlimit-Xraw.c b/tests/setrlimit-Xraw.c
> > new file mode 100644
> > index 00000000..1a5ead0b
> > --- /dev/null
> > +++ b/tests/setrlimit-Xraw.c
> > @@ -0,0 +1,2 @@
> > +#define XLAT_RAW 1
> > +#include "setrlimit.c"
> > diff --git a/tests/setrlimit-Xverbose.c b/tests/setrlimit-Xverbose.c
> > new file mode 100644
> > index 00000000..20cd135f
> > --- /dev/null
> > +++ b/tests/setrlimit-Xverbose.c
> > @@ -0,0 +1,2 @@
> > +#define XLAT_VERBOSE 1
> > +#include "setrlimit.c"
> > diff --git a/tests/setrlimit.c b/tests/setrlimit.c
> > index f199abe1..084e7beb 100644
> > --- a/tests/setrlimit.c
> > +++ b/tests/setrlimit.c
> > @@ -23,7 +23,14 @@ main(void)
> >       for (xlat = resources; xlat->str; ++xlat) {
> >               unsigned long res = 0xfacefeed00000000ULL | xlat->val;
> >               long rc = syscall(__NR_setrlimit, res, 0);
> > +#if XLAT_RAW
> > +             printf("setrlimit(%#lx, NULL) = %s\n", xlat->val,
> sprintrc(rc));
>
> In file included from setrlimit-Xraw.c:2:
> setrlimit.c: In function 'main':
> setrlimit.c:27:24: error: format '%lx' expects argument of type 'long
> unsigned int', but argument 2 has type 'uint64_t' {aka 'const long long
> unsigned int'} [-Werror=format=]
>    printf("setrlimit(%#lx, NULL) = %s\n", xlat->val, sprintrc(rc));
>                      ~~~^                 ~~~~~~~~~
>                      %#llx
>
> > +#elif XLAT_VERBOSE
> > +             printf("setrlimit(%#lx /* %s */, NULL) = %s\n", xlat->val,
> > +                    xlat->str, sprintrc(rc));
>
> In file included from setrlimit-Xverbose.c:2:
> setrlimit.c: In function 'main':
> setrlimit.c:29:24: error: format '%lx' expects argument of type 'long
> unsigned int', but argument 2 has type '
> uint64_t' {aka 'const long long unsigned int'} [-Werror=format=]
>    printf("setrlimit(%#lx /* %s */, NULL) = %s\n", xlat->val,
>                      ~~~^                          ~~~~~~~~~
>                      %#llx
>
> > +#else
> >               printf("setrlimit(%s, NULL) = %s\n", xlat->str,
> sprintrc(rc));
> > +#endif
> >
> >               struct rlimit libc_rlim = {};
> >               if (getrlimit((int) res, &libc_rlim))
> > @@ -33,10 +40,25 @@ main(void)
> >
> >               rc = syscall(__NR_setrlimit, res, rlimit);
> >               const char *errstr = sprintrc(rc);
> > +#if XLAT_RAW
> > +             printf("setrlimit(%#lx, {rlim_cur=%s, rlim_max=%s}) =
> %s\n",
> > +                    xlat->val,
> > +                    sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
> > +                    errstr);
>
> setrlimit.c:44:24: error: format '%lx' expects argument of type 'long
> unsigned int', but argument 2 has type 'uint64_t' {aka 'const long long
> unsigned int'} [-Werror=format=]
>    printf("setrlimit(%#lx, {rlim_cur=%s, rlim_max=%s}) = %s\n",
>                      ~~~^
>                      %#llx
>           xlat->val,
>           ~~~~~~~~~
>
> > +#elif XLAT_VERBOSE
> > +             printf("setrlimit(%#lx /* %s */,"
> > +                    " {rlim_cur=%s, rlim_max=%s}) = %s\n",
> > +                    xlat->val,
> > +                    xlat->str,
> > +                    sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
> > +                    errstr);
>
> setrlimit.c:49:24: error: format '%lx' expects argument of type 'long
> unsigned int', but argument 2 has type '
> uint64_t' {aka 'const long long unsigned int'} [-Werror=format=]
>    printf("setrlimit(%#lx /* %s */,"
>                      ~~~^
>                      %#llx
> ../../tests/setrlimit.c:51:10:
>           xlat->val,
>           ~~~~~~~~~
>
>
> --
> ldv
> --
> Strace-devel mailing list
> Strace-devel at lists.strace.io
> https://lists.strace.io/mailman/listinfo/strace-devel
>


-- 
Regards,
Shankara Pailoor
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