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It is invalid to use the src size as the strncpy size parameter.
Found by GCC 8.3, fixed by awilfox.
--- libaio-0.3.111/harness/cases/19.t.old 2018-03-06 22:24:47.000000000 +0000
+++ libaio-0.3.111/harness/cases/19.t 2019-02-28 22:20:03.170000000 +0000
@@ -41,7 +41,7 @@
int fd;
char template[sizeof(TEMPLATE)];
- strncpy(template, TEMPLATE, sizeof(TEMPLATE));
+ strncpy(template, TEMPLATE, sizeof(template));
fd = mkostemp(template, O_DIRECT);
if (fd < 0) {
perror("mkstemp");
--- libaio-0.3.111/harness/cases/21.t.old 2018-03-06 22:24:47.000000000 +0000
+++ libaio-0.3.111/harness/cases/21.t 2019-02-28 22:20:13.120000000 +0000
@@ -43,7 +43,7 @@
int fd;
char temp_file[sizeof(TEMPLATE)];
- strncpy(temp_file, TEMPLATE, sizeof(TEMPLATE));
+ strncpy(temp_file, TEMPLATE, sizeof(temp_file));
fd = mkstemp(temp_file);
if (fd < 0) {
perror("mkstemp");
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