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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.base/] [varargs.c] - Rev 157
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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; long long ll; float fa,fb,fc,fd; double da,db,dc,dd; double dmax_val; int 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); return 0; } /* 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(%d, %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; }