@@ -1,6 +1,7 @@
/* BZ #5424 */
#include <stdio.h>
#include <errno.h>
+#include <libc-diag.h>
/* INT_MAX + 1 */
#define N 2147483648
@@ -30,12 +31,26 @@ do_test (void)
return 1;
}
+ /* GCC 9 warns about output of more than INT_MAX characters; this is
+ deliberately tested here. */
+ DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (7, 0)
+ DIAG_IGNORE_NEEDS_COMMENT (9, "-Wformat-overflow=");
+#endif
ret = fprintf (fp, "%" SN "d", 1);
+ DIAG_POP_NEEDS_COMMENT;
printf ("ret = %d\n", ret);
if (ret != -1 || errno != EOVERFLOW)
return 1;
+ /* GCC 9 warns about output of more than INT_MAX characters; this is
+ deliberately tested here. */
+ DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (7, 0)
+ DIAG_IGNORE_NEEDS_COMMENT (9, "-Wformat-overflow=");
+#endif
ret = fprintf (fp, "%." SN "d", 1);
+ DIAG_POP_NEEDS_COMMENT;
printf ("ret = %d\n", ret);
if (ret != -1 || errno != EOVERFLOW)
return 1;
@@ -45,7 +60,14 @@ do_test (void)
if (ret != -1 || errno != EOVERFLOW)
return 1;
+ /* GCC 9 warns about output of more than INT_MAX characters; this is
+ deliberately tested here. */
+ DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (7, 0)
+ DIAG_IGNORE_NEEDS_COMMENT (9, "-Wformat-overflow=");
+#endif
ret = fprintf (fp, "%" SN2 "d%" SN2 "d", 1, 1);
+ DIAG_POP_NEEDS_COMMENT;
printf ("ret = %d\n", ret);
return ret != -1 || errno != EOVERFLOW;
@@ -110,7 +110,14 @@ I am ready for my first lesson today.";
printf("left-adjusted Z string:\t\"%-010s\"\n", shortstr);
printf("space-padded string:\t\"%10s\"\n", shortstr);
printf("left-adjusted S string:\t\"%-10s\"\n", shortstr);
+ /* GCC 9 warns about the NULL format argument; this is deliberately
+ tested here. */
+ DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (7, 0)
+ DIAG_IGNORE_NEEDS_COMMENT (9, "-Wformat-overflow=");
+#endif
printf("null string:\t\"%s\"\n", (char *)NULL);
+ DIAG_POP_NEEDS_COMMENT;
printf("limited string:\t\"%.22s\"\n", longstr);
printf("a-style max:\t\"%a\"\n", DBL_MAX);