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Diffstat (limited to 'stdlib/fmtmsg.c')
-rw-r--r--stdlib/fmtmsg.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/stdlib/fmtmsg.c b/stdlib/fmtmsg.c
index 101beb7..e7aab90 100644
--- a/stdlib/fmtmsg.c
+++ b/stdlib/fmtmsg.c
@@ -332,6 +332,10 @@ addseverity (int severity, const char *string)
int result;
const char *new_string;
+ /* Prevent illegal SEVERITY values. */
+ if (severity <= MM_INFO)
+ return MM_NOTOK;
+
if (string == NULL)
/* We want to remove the severity class. */
new_string = NULL;
@@ -339,7 +343,7 @@ addseverity (int severity, const char *string)
{
new_string = __strdup (string);
- if (new_string == NULL || severity <= MM_INFO)
+ if (new_string == NULL)
/* Allocation failed or illegal value. */
return MM_NOTOK;
}
@@ -359,3 +363,23 @@ addseverity (int severity, const char *string)
return result;
}
+
+
+static void __attribute__ ((unused))
+free_mem (void)
+{
+ struct severity_info *runp = severity_list;
+
+ while (runp != NULL)
+ if (runp->severity > MM_INFO)
+ {
+ /* This is data we have to release. */
+ struct severity_info *here = runp;
+ free ((char *) runp->string);
+ runp = runp->next;
+ free (here);
+ }
+ else
+ runp = runp->next;
+}
+text_set_element (__libc_subfreeres, free_mem);