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-rw-r--r--gdb/testsuite/gdb.base/varargs.c108
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diff --git a/gdb/testsuite/gdb.base/varargs.c b/gdb/testsuite/gdb.base/varargs.c
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+/* varargs.c -
+ * (Added as part of fix for bug 15306 - "call" to varargs functions fails)
+ * This program is intended to let me try out "call" to varargs functions
+ * with varying numbers of declared args and various argument types.
+ * - RT 9/27/95
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+
+int find_max1(int, ...);
+int find_max2(int, int, ...);
+double find_max_double(int, double, ...);
+
+char ch;
+unsigned char uc;
+short s;
+unsigned short us;
+int a,b,c,d;
+int max_val;
+float fa,fb,fc,fd;
+double da,db,dc,dd;
+double dmax_val;
+
+main() {
+ c = -1;
+ uc = 1;
+ s = -2;
+ us = 2;
+ a = 1;
+ b = 60;
+ max_val = find_max1(1, 60);
+ max_val = find_max1(a, b);
+ a = 3;
+ b = 1;
+ c = 4;
+ d = 2;
+ max_val = find_max1(3, 1, 4, 2);
+ max_val = find_max2(a, b, c, d);
+ da = 3.0;
+ db = 1.0;
+ dc = 4.0;
+ dd = 2.0;
+ dmax_val = find_max_double(3, 1.0, 4.0, 2.0);
+ dmax_val = find_max_double(a, db, dc, dd);
+}
+
+/* Integer varargs, 1 declared arg */
+
+int find_max1(int num_vals, ...) {
+ int max_val = 0;
+ int x;
+ int i;
+ va_list argp;
+ va_start(argp, num_vals);
+ printf("find_max(%d,", num_vals);
+ for (i = 0; i < num_vals; i++) {
+ x = va_arg(argp, int);
+ if (max_val < x) max_val = x;
+ if (i < num_vals - 1)
+ printf(" %d,", x);
+ else
+ printf(" %d)", x);
+ }
+ printf(" returns %d\n", max_val);
+ return max_val;
+}
+
+/* Integer varargs, 2 declared args */
+
+int find_max2(int num_vals, int first_val, ...) {
+ int max_val = 0;
+ int x;
+ int i;
+ va_list argp;
+ va_start(argp, first_val);
+ x = first_val;
+ if (max_val < x) max_val = x;
+ printf("find_max(%d, %d", num_vals, first_val);
+ for (i = 1; i < num_vals; i++) {
+ x = va_arg(argp, int);
+ if (max_val < x) max_val = x;
+ printf(", %d", x);
+ }
+ printf(") returns %d\n", max_val);
+ return max_val;
+}
+
+/* Double-float varargs, 2 declared args */
+
+double find_max_double(int num_vals, double first_val, ...) {
+ double max_val = 0;
+ double x;
+ int i;
+ va_list argp;
+ va_start(argp, first_val);
+ x = first_val;
+ if (max_val < x) max_val = x;
+ printf("find_max(%f, %f", num_vals, first_val);
+ for (i = 1; i < num_vals; i++) {
+ x = va_arg(argp, double);
+ if (max_val < x) max_val = x;
+ printf(", %f", x);
+ }
+ printf(") returns %f\n", max_val);
+ return max_val;
+}
+
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