#define OUTPUT_FILE "configurator.out"
#define INPUT_FILE "configuratortest.c"
+#ifdef _WIN32
+#define DIR_SEP "\\"
+#else
+#define DIR_SEP "/"
+#endif
+
static int verbose;
enum test_style {
};
static struct test tests[] = {
- { "HAVE_32BIT_OFF_T", DEFINES_EVERYTHING|EXECUTE, NULL, NULL,
+ { "HAVE_32BIT_OFF_T", DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE, NULL, NULL,
"#include <sys/types.h>\n"
"int main(void) {\n"
" return sizeof(off_t) == 4 ? 0 : 1;\n"
{ "HAVE_COMPOUND_LITERALS", INSIDE_MAIN, NULL, NULL,
"int *foo = (int[]) { 1, 2, 3, 4 };\n"
"return foo[0] ? 0 : 1;" },
- { "HAVE_FCHDIR", DEFINES_EVERYTHING|EXECUTE, NULL, NULL,
+ { "HAVE_FCHDIR", DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE, NULL, NULL,
"#include <sys/types.h>\n"
"#include <sys/stat.h>\n"
"#include <fcntl.h>\n"
" if (arg == 4)\n"
" warnx(\"warn %u\", arg);\n"
"}\n" },
- { "HAVE_FILE_OFFSET_BITS", DEFINES_EVERYTHING|EXECUTE,
+ { "HAVE_FILE_OFFSET_BITS", DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE,
"HAVE_32BIT_OFF_T", NULL,
"#define _FILE_OFFSET_BITS 64\n"
"#include <sys/types.h>\n"
" return sizeof(off_t) == 8 ? 0 : 1;\n"
"}\n" },
{ "HAVE_FOR_LOOP_DECLARATION", INSIDE_MAIN, NULL, NULL,
- "for (int i = 0; i < argc; i++) { return 0; };\n"
- "return 1;" },
+ "int ret = 1;\n"
+ "for (int i = 0; i < argc; i++) { ret = 0; };\n"
+ "return ret;" },
{ "HAVE_FLEXIBLE_ARRAY_MEMBER", OUTSIDE_MAIN, NULL, NULL,
"struct foo { unsigned int x; int arr[]; };" },
{ "HAVE_GETPAGESIZE", DEFINES_FUNC, NULL, NULL,
"static void *func(int fd) {\n"
" return mmap(0, 65536, PROT_READ, MAP_SHARED, fd, 0);\n"
"}" },
- { "HAVE_PROC_SELF_MAPS", DEFINES_EVERYTHING|EXECUTE, NULL, NULL,
+ { "HAVE_PROC_SELF_MAPS", DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE, NULL, NULL,
"#include <sys/types.h>\n"
"#include <sys/stat.h>\n"
"#include <fcntl.h>\n"
" return __stop_mysec - __start_mysec;\n"
"}\n" },
{ "HAVE_STACK_GROWS_UPWARDS", DEFINES_EVERYTHING|EXECUTE, NULL, NULL,
- "static long nest(const void *base, unsigned int i)\n"
+ "#include <stddef.h>\n"
+ "static ptrdiff_t nest(const void *base, unsigned int i)\n"
"{\n"
" if (i == 0)\n"
" return (const char *)&i - (const char *)base;\n"
"-Werror -fopenmp" },
{ "HAVE_VALGRIND_MEMCHECK_H", OUTSIDE_MAIN, NULL, NULL,
"#include <valgrind/memcheck.h>\n" },
+ { "HAVE_UCONTEXT", DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE,
+ NULL, NULL,
+ "#include <ucontext.h>\n"
+ "static int x = 0;\n"
+ "static char stack[2048];\n"
+ "static ucontext_t a, b;\n"
+ "static void fn(void) {\n"
+ " x |= 2;\n"
+ " setcontext(&b);\n"
+ " x |= 4;\n"
+ "}\n"
+ "int main(void) {\n"
+ " x |= 1;\n"
+ " getcontext(&a);\n"
+ " a.uc_stack.ss_sp = stack;\n"
+ " a.uc_stack.ss_size = sizeof(stack);\n"
+ " makecontext(&a, fn, 0);\n"
+ " swapcontext(&b, &a);\n"
+ " return (x == 3) ? 0 : 1;\n"
+ "}\n"
+ },
+ { "HAVE_POINTER_SAFE_MAKECONTEXT", DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE,
+ "HAVE_UCONTEXT", NULL,
+ "#include <stddef.h>\n"
+ "#include <ucontext.h>\n"
+ "static int worked = 0;\n"
+ "static char stack[1024];\n"
+ "static ucontext_t a, b;\n"
+ "static void fn(void *p, void *q) {\n"
+ " void *cp = &worked;\n"
+ " void *cq = (void *)(~((ptrdiff_t)cp));\n"
+ " if ((p == cp) && (q == cq))\n"
+ " worked = 1;\n"
+ " setcontext(&b);\n"
+ "}\n"
+ "int main(void) {\n"
+ " void *ap = &worked;\n"
+ " void *aq = (void *)(~((ptrdiff_t)ap));\n"
+ " getcontext(&a);\n"
+ " a.uc_stack.ss_sp = stack;\n"
+ " a.uc_stack.ss_size = sizeof(stack);\n"
+ " makecontext(&a, (void (*)(void))fn, 2, ap, aq);\n"
+ " swapcontext(&b, &a);\n"
+ " return worked ? 0 : 1;\n"
+ "}\n"
+ },
};
static char *grab_fd(int fd)
char *dep;
/* Space-separated dependencies, could be ! for inverse. */
- while ((len = strcspn(deps, " "))) {
+ while ((len = strcspn(deps, " ")) != 0) {
bool positive = true;
if (deps[len]) {
dep = strdup(deps);
free(output);
/* We run INSIDE_MAIN tests for sanity checking. */
if ((test->style & EXECUTE) || (test->style & INSIDE_MAIN)) {
- output = run("./" OUTPUT_FILE, &status);
+ output = run("." DIR_SEP OUTPUT_FILE, &status);
if (!(test->style & EXECUTE) && status != 0)
errx(1, "Test for %s failed with %i:\n%s",
test->name, status, output);
run_test(cmd, &tests[i]);
free(cmd);
- unlink(OUTPUT_FILE);
- unlink(INPUT_FILE);
+ remove(OUTPUT_FILE);
+ remove(INPUT_FILE);
printf("/* Generated by CCAN configurator */\n"
"#ifndef CCAN_CONFIG_H\n"