Die when asprintf fails

Fixes many instances of
warning: ignoring return value of 'asprintf', declared with attribute warn_unused_result [-Wunused-result]

Signed-off-by: Anders Kaseorg <andersk@mit.edu>

1 files changed, 8 insertions, 8 deletions

diff --git a/plugins/check_swap.c b/plugins/check_swap.c
index ce1f602..1b2a8dd 100644
--- a/plugins/check_swap.c
+++ b/plugins/check_swap.c
@@ -129,7 +129,7 @@ main (int argc, char **argv)
                                         percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
                                 result = max_state (result, check_swap (percent, dskfree_mb));
                                 if (verbose)
-                                        asprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
+                                        xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
                         }
                 }
                 else if (sscanf (input_buffer, "%*[S]%*[w]%*[a]%*[p]%[TotalFre]%*[:] %f %*[k]%*[B]", str, &tmp_mb)) {
@@ -152,15 +152,15 @@ main (int argc, char **argv)
         free_swap_mb = dskfree_mb;
 #else
 # ifdef HAVE_SWAP
-        asprintf(&swap_command, "%s", SWAP_COMMAND);
-        asprintf(&swap_format, "%s", SWAP_FORMAT);
+        xasprintf(&swap_command, "%s", SWAP_COMMAND);
+        xasprintf(&swap_format, "%s", SWAP_FORMAT);
 
 /* These override the command used if a summary (and thus ! allswaps) is required */
 /* The summary flag returns more accurate information about swap usage on these OSes */
 #  ifdef _AIX
         if (!allswaps) {
-                asprintf(&swap_command, "%s", "/usr/sbin/lsps -s");
-                asprintf(&swap_format, "%s", "%f%*s %f");
+                xasprintf(&swap_command, "%s", "/usr/sbin/lsps -s");
+                xasprintf(&swap_format, "%s", "%f%*s %f");
                 conv_factor = 1;
         }
 #  endif
@@ -228,7 +228,7 @@ main (int argc, char **argv)
                                 percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
                                 result = max_state (result, check_swap (percent, dskfree_mb));
                                 if (verbose)
-                                        asprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
+                                        xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
                         }
                 }
 #  ifdef _AIX
@@ -290,7 +290,7 @@ main (int argc, char **argv)
                         percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
                         result = max_state (result, check_swap (percent, dskfree_mb));
                         if (verbose) {
-                                asprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
+                                xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
                         }
                 }
 
@@ -329,7 +329,7 @@ main (int argc, char **argv)
                         percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
                         result = max_state (result, check_swap (percent, dskfree_mb));
                         if (verbose) {
-                                asprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
+                                xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
                         }
                 }