From a57aa83793f4e6fa6cc6515dda8c1029006d02c6 Mon Sep 17 00:00:00 2001
From: "Carsten Haitzler (Rasterman)" <raster@rasterman.com>
Date: Sat, 12 Jan 2019 11:13:25 +0000
Subject: [PATCH] report error from system() calls that dont run cleanly - warn
 fix

---
 src/bin/e_desk.c                        |  3 ++-
 src/modules/sysinfo/cpuclock/cpuclock.c | 12 ++++++++----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/bin/e_desk.c b/src/bin/e_desk.c
index eb675f0b4..1ea09647c 100644
--- a/src/bin/e_desk.c
+++ b/src/bin/e_desk.c
@@ -77,7 +77,8 @@ _do_profile(E_Desk *desk, E_Randr2_Screen *sc)
                       "%s/enlightenment/utils/enlightenment_elm_cfgtool "
                       "set %s %s 'scale-mul %i'",
                       e_prefix_lib_get(), sc->config.profile, buf, scale);
-             system(buf2);
+             if (system(buf2) != 0)
+               ERR("Error code from trying to run \"%s\"", buf2);
           }
      }
    desk->window_profile = eina_stringshare_add(buf);
diff --git a/src/modules/sysinfo/cpuclock/cpuclock.c b/src/modules/sysinfo/cpuclock/cpuclock.c
index b950d1e06..938916e53 100644
--- a/src/modules/sysinfo/cpuclock/cpuclock.c
+++ b/src/modules/sysinfo/cpuclock/cpuclock.c
@@ -86,7 +86,8 @@ _cpuclock_set_governor(const char *governor)
 
    snprintf(buf, sizeof(buf),
             "%s %s %s", exe, "governor", governor);
-   system(buf);
+   if (system(buf) != 0)
+     ERR("Error code from trying to run \"%s\"", buf);
 }
 
 void
@@ -104,14 +105,16 @@ _cpuclock_set_frequency(int frequency)
             e_module_dir_get(sysinfo_config->module), MODULE_ARCH);
    if (stat(exe, &st) < 0) return;
    snprintf(buf, sizeof(buf), "%s %d", exe, frequency);
-   system(buf);
+   if (system(buf) != 0)
+     ERR("Error code from trying to run \"%s\"", buf);
 #else
    snprintf(exe, 4096, "%s/%s/cpuclock_sysfs",
             e_module_dir_get(sysinfo_config->module), MODULE_ARCH);
    if (stat(exe, &st) < 0) return;
    snprintf(buf, sizeof(buf),
             "%s %s %i", exe, "frequency", frequency);
-   system(buf);
+   if (system(buf) != 0)
+     ERR("Error code from trying to run \"%s\"", buf);
 #endif
 }
 
@@ -129,7 +132,8 @@ _cpuclock_set_pstate(int min, int max, int turbo)
    if (stat(exe, &st) < 0) return;
    snprintf(buf, sizeof(buf),
             "%s %s %i %i %i", exe, "pstate", min, max, turbo);
-   system(buf);
+   if (system(buf) != 0)
+     ERR("Error code from trying to run \"%s\"", buf);
 }
 
 static void