DEFINES_FUNC = 0x2,
INSIDE_MAIN = 0x4,
DEFINES_EVERYTHING = 0x8,
+ MAY_NOT_COMPILE = 0x10,
EXECUTE = 0x8000
};
{ "HAVE_GETPAGESIZE", DEFINES_FUNC, NULL,
"#include <unistd.h>\n"
"static int func(void) { return getpagesize(); }" },
+ { "HAVE_ISBLANK", DEFINES_FUNC, NULL,
+ "#include <ctype.h>\n"
+ "static int func(void) { return isblank(' '); }" },
{ "HAVE_LITTLE_ENDIAN", INSIDE_MAIN|EXECUTE, NULL,
"union { int i; char c[sizeof(int)]; } u;\n"
"u.i = 0x01020304;\n"
"return u.c[0] == 0x04 && u.c[1] == 0x03 && u.c[2] == 0x02 && u.c[3] == 0x01 ? 0 : 1;" },
+ { "HAVE_MEMMEM", DEFINES_FUNC, NULL,
+ "#define _GNU_SOURCE\n"
+ "#include <string.h>\n"
+ "static void *func(void *h, size_t hl, void *n, size_t nl) {\n"
+ "return memmem(h, hl, n, nl);"
+ "}\n", },
{ "HAVE_MMAP", DEFINES_FUNC, NULL,
"#include <sys/mman.h>\n"
"static void *func(int fd) {\n"
" return mmap(0, 65536, PROT_READ, MAP_SHARED, fd, 0);\n"
"}" },
+ { "HAVE_QSORT_R_PRIVATE_LAST",
+ DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE, NULL,
+ "#define _GNU_SOURCE 1\n"
+ "#include <stdlib.h>\n"
+ "static int cmp(const void *lp, const void *rp, void *priv) {\n"
+ " *(unsigned int *)priv = 1;\n"
+ " return *(const int *)lp - *(const int *)rp; }\n"
+ "int main(void) {\n"
+ " int array[] = { 9, 2, 5 };\n"
+ " unsigned int called = 0;\n"
+ " qsort_r(array, 3, sizeof(int), cmp, &called);\n"
+ " return called && array[0] == 2 && array[1] == 5 && array[2] == 9 ? 0 : 1;\n"
+ "}\n" },
{ "HAVE_NESTED_FUNCTIONS", DEFINES_FUNC, NULL,
"void (*func(int val))(int);\n"
"void (*func(int val))(int) {\n"
err(1, "creating %s", INPUT_FILE);
fprintf(outf, "%s", PRE_BOILERPLATE);
- switch (test->style & ~EXECUTE) {
+ switch (test->style & ~(EXECUTE|MAY_NOT_COMPILE)) {
case INSIDE_MAIN:
fprintf(outf, "%s", MAIN_START_BOILERPLATE);
fprintf(outf, "%s", test->fragment);
printf("Compile %s for %s, status %i: %s\n",
status ? "fail" : "warning",
test->name, status, output);
- if (test->style & EXECUTE)
+ if ((test->style & EXECUTE) && !(test->style & MAY_NOT_COMPILE))
errx(1, "Test for %s did not compile:\n%s",
test->name, output);
test->answer = false;