From cceb2bba69b371868e89d435c5406b67cdd84d57 Mon Sep 17 00:00:00 2001
From: Chen Qi <Qi.Chen@windriver.com>
Date: Mon, 25 Feb 2019 15:12:41 +0800
Subject: [PATCH] Use uintmax_t for handling rlim_t

PRIu{32,64} is not right format to represent rlim_t type
therefore use %ju and typecast the rlim_t variables to
uintmax_t.

Fixes portablility errors like

execute.c:3446:36: error: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'rlim_t {aka long long unsigned int}' [-Werror=format=]
|                          fprintf(f, "%s%s: " RLIM_FMT "\n",
|                                     ^~~~~~~~
|                                  prefix, rlimit_to_string(i), c->rlimit[i]->rlim_max);
|                                                               ~~~~~~~~~~~~~~~~~~~~~~

Upstream-Status: Denied [https://github.com/systemd/systemd/pull/7199]

Signed-off-by: Khem Raj <raj.khem@gmail.com>
[Rebased for v241]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>

---
 src/basic/format-util.h |  8 +-------
 src/basic/rlimit-util.c | 12 ++++++------
 src/core/execute.c      |  4 ++--
 3 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/src/basic/format-util.h b/src/basic/format-util.h
index b7e18768e3..3195ab205d 100644
--- a/src/basic/format-util.h
+++ b/src/basic/format-util.h
@@ -32,13 +32,7 @@ assert_cc(sizeof(gid_t) == sizeof(uint32_t));
 #  define PRI_TIMEX "li"
 #endif
 
-#if SIZEOF_RLIM_T == 8
-#  define RLIM_FMT "%" PRIu64
-#elif SIZEOF_RLIM_T == 4
-#  define RLIM_FMT "%" PRIu32
-#else
-#  error Unknown rlim_t size
-#endif
+#define RLIM_FMT "%ju"
 
 #if SIZEOF_DEV_T == 8
 #  define DEV_FMT "%" PRIu64
diff --git a/src/basic/rlimit-util.c b/src/basic/rlimit-util.c
index 23d108d5df..3e6fb438d7 100644
--- a/src/basic/rlimit-util.c
+++ b/src/basic/rlimit-util.c
@@ -43,7 +43,7 @@ int setrlimit_closest(int resource, const struct rlimit *rlim) {
             fixed.rlim_max == highest.rlim_max)
                 return 0;
 
-        log_debug("Failed at setting rlimit " RLIM_FMT " for resource RLIMIT_%s. Will attempt setting value " RLIM_FMT " instead.", rlim->rlim_max, rlimit_to_string(resource), fixed.rlim_max);
+        log_debug("Failed at setting rlimit " RLIM_FMT " for resource RLIMIT_%s. Will attempt setting value " RLIM_FMT " instead.", (uintmax_t)rlim->rlim_max, rlimit_to_string(resource), (uintmax_t)fixed.rlim_max);
 
         if (setrlimit(resource, &fixed) < 0)
                 return -errno;
@@ -308,13 +308,13 @@ int rlimit_format(const struct rlimit *rl, char **ret) {
         if (rl->rlim_cur >= RLIM_INFINITY && rl->rlim_max >= RLIM_INFINITY)
                 s = strdup("infinity");
         else if (rl->rlim_cur >= RLIM_INFINITY)
-                (void) asprintf(&s, "infinity:" RLIM_FMT, rl->rlim_max);
+                (void) asprintf(&s, "infinity:" RLIM_FMT, (uintmax_t)rl->rlim_max);
         else if (rl->rlim_max >= RLIM_INFINITY)
-                (void) asprintf(&s, RLIM_FMT ":infinity", rl->rlim_cur);
+                (void) asprintf(&s, RLIM_FMT ":infinity", (uintmax_t)rl->rlim_cur);
         else if (rl->rlim_cur == rl->rlim_max)
-                (void) asprintf(&s, RLIM_FMT, rl->rlim_cur);
+                (void) asprintf(&s, RLIM_FMT, (uintmax_t)rl->rlim_cur);
         else
-                (void) asprintf(&s, RLIM_FMT ":" RLIM_FMT, rl->rlim_cur, rl->rlim_max);
+                (void) asprintf(&s, RLIM_FMT ":" RLIM_FMT, (uintmax_t)rl->rlim_cur, (uintmax_t)rl->rlim_max);
 
         if (!s)
                 return -ENOMEM;
@@ -405,7 +405,7 @@ int rlimit_nofile_safe(void) {
 
         rl.rlim_cur = FD_SETSIZE;
         if (setrlimit(RLIMIT_NOFILE, &rl) < 0)
-                return log_debug_errno(errno, "Failed to lower RLIMIT_NOFILE's soft limit to " RLIM_FMT ": %m", rl.rlim_cur);
+                return log_debug_errno(errno, "Failed to lower RLIMIT_NOFILE's soft limit to " RLIM_FMT ": %m", (uintmax_t)rl.rlim_cur);
 
         return 1;
 }
diff --git a/src/core/execute.c b/src/core/execute.c
index 2a64675c5f..dca1e0e3b6 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -5391,9 +5391,9 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
         for (unsigned i = 0; i < RLIM_NLIMITS; i++)
                 if (c->rlimit[i]) {
                         fprintf(f, "%sLimit%s: " RLIM_FMT "\n",
-                                prefix, rlimit_to_string(i), c->rlimit[i]->rlim_max);
+                                prefix, rlimit_to_string(i), (uintmax_t)c->rlimit[i]->rlim_max);
                         fprintf(f, "%sLimit%sSoft: " RLIM_FMT "\n",
-                                prefix, rlimit_to_string(i), c->rlimit[i]->rlim_cur);
+                                prefix, rlimit_to_string(i), (uintmax_t)c->rlimit[i]->rlim_cur);
                 }
 
         if (c->ioprio_set) {