[PATCH 05/10] xl_cmdimpl: improve return codes for memset commands

[Paulina Szubarczyk <paulinaszubarczyk@gmail.com>]

 - Use EXIT_{SUCCESS,FAILURE} for main_mem*() function
 - Use 0/1 as return values of set_memory_{max,target}

Signed-off-by: Paulina Szubarczyk <paulinaszubarczyk@gmail.com>
---
 tools/libxl/xl_cmdimpl.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 7ee6953..31f037f 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -3380,15 +3380,15 @@ static int set_memory_max(uint32_t domid, const char *mem)
     memorykb = parse_mem_size_kb(mem);
     if (memorykb == -1) {
         fprintf(stderr, "invalid memory size: %s\n", mem);
-        exit(3);
+        exit(EXIT_FAILURE);
     }
 
     if (libxl_domain_setmaxmem(ctx, domid, memorykb)) {
         fprintf(stderr, "cannot set domid %d static max memory to : %s\n", domid, mem);
-        return EXIT_FAILURE;
+        return 1;
     }
 
-    return EXIT_SUCCESS;
+    return 0;
 }
 
 int main_memmax(int argc, char **argv)
@@ -3404,7 +3404,11 @@ int main_memmax(int argc, char **argv)
     domid = find_domain(argv[optind]);
     mem = argv[optind + 1];
 
-    return set_memory_max(domid, mem);
+    if (set_memory_max(domid, mem)) {
+        return EXIT_FAILURE;
+    }
+
+    return EXIT_SUCCESS;
 }
 
 static int set_memory_target(uint32_t domid, const char *mem)
@@ -3414,15 +3418,15 @@ static int set_memory_target(uint32_t domid, const char *mem)
     memorykb = parse_mem_size_kb(mem);
     if (memorykb == -1)  {
         fprintf(stderr, "invalid memory size: %s\n", mem);
-        exit(3);
+        exit(EXIT_FAILURE);
     }
 
     if (libxl_set_memory_target(ctx, domid, memorykb, 0, /* enforce */ 1)) {
         fprintf(stderr, "cannot set domid %d dynamic max memory to : %s\n", domid, mem);
-        return EXIT_FAILURE;
+        return 1;
     }
 
-    return EXIT_SUCCESS;
+    return 0;
 }
 
 int main_memset(int argc, char **argv)
@@ -3438,7 +3442,11 @@ int main_memset(int argc, char **argv)
     domid = find_domain(argv[optind]);
     mem = argv[optind + 1];
 
-    return set_memory_target(domid, mem);
+    if (set_memory_target(domid, mem)) {
+        return EXIT_FAILURE;
+    }
+
+    return EXIT_SUCCESS;
 }
 
 static int cd_insert(uint32_t domid, const char *virtdev, char *phys)
-- 
1.9.1


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