*/
#define _POSIX_C_SOURCE 200809L /* For pclose, popen, strdup */
+#define EXIT_BAD_USAGE 1
+#define EXIT_TROUBLE_RUNNING 2
+#define EXIT_BAD_TEST 3
+#define EXIT_BAD_INPUT 4
+
#include <errno.h>
#include <stdio.h>
#include <stdarg.h>
bool answer;
};
-static struct test tests[] = {
+/* Terminated by a NULL name */
+static struct test *tests;
+
+static const struct test base_tests[] = {
{ "HAVE_32BIT_OFF_T", "off_t is 32 bits",
"DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE", NULL, NULL,
"#include <sys/types.h>\n"
{ "HAVE_ATTRIBUTE_CONST", "__attribute__((const)) support",
"DEFINES_FUNC", NULL, NULL,
"static int __attribute__((const)) func(int x) { return x; }" },
+ { "HAVE_ATTRIBUTE_DEPRECATED", "__attribute__((deprecated)) support",
+ "DEFINES_FUNC", NULL, NULL,
+ "static int __attribute__((deprecated)) func(int x) { return x; }" },
+ { "HAVE_ATTRIBUTE_NONNULL", "__attribute__((nonnull)) support",
+ "DEFINES_FUNC", NULL, NULL,
+ "static char *__attribute__((nonnull)) func(char *p) { return p; }" },
+ { "HAVE_ATTRIBUTE_SENTINEL", "__attribute__((sentinel)) support",
+ "DEFINES_FUNC", NULL, NULL,
+ "static int __attribute__((sentinel)) func(int i, ...) { return i; }" },
{ "HAVE_ATTRIBUTE_PURE", "__attribute__((pure)) support",
"DEFINES_FUNC", NULL, NULL,
"static int __attribute__((pure)) func(int x) { return x; }" },
}
size += ret;
if (ferror(file))
- c12r_err(1, "reading from command");
+ c12r_err(EXIT_TROUBLE_RUNNING, "reading from command");
buffer[size] = '\0';
return buffer;
}
cmdout = popen(cmdredir, "r");
if (!cmdout)
- c12r_err(1, "popen \"%s\"", cmdredir);
+ c12r_err(EXIT_TROUBLE_RUNNING, "popen \"%s\"", cmdredir);
free(cmdredir);
{
unsigned int i;
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
+ for (i = 0; tests[i].name; i++) {
if (strcmp(tests[i].name, name) == 0)
return &tests[i];
}
+ c12r_errx(EXIT_BAD_TEST, "Unknown test %s", name);
abort();
}
outf = fopen(INPUT_FILE, verbose > 1 ? "w+" : "w");
if (!outf)
- c12r_err(1, "creating %s", INPUT_FILE);
+ c12r_err(EXIT_TROUBLE_RUNNING, "creating %s", INPUT_FILE);
fprintf(outf, "%s", PRE_BOILERPLATE);
} else if (strstr(test->style, "DEFINES_EVERYTHING")) {
fprintf(outf, "%s", test->fragment);
} else
- c12r_errx(2, "Unknown style for test %s: %s",
+ c12r_errx(EXIT_BAD_TEST, "Unknown style for test %s: %s",
test->name, test->style);
if (verbose > 1) {
test->name, status, output);
if (strstr(test->style, "EXECUTE")
&& !strstr(test->style, "MAY_NOT_COMPILE"))
- c12r_errx(1, "Test for %s did not compile:\n%s",
+ c12r_errx(EXIT_BAD_TEST,
+ "Test for %s did not compile:\n%s",
test->name, output);
test->answer = false;
free(output);
|| strstr(test->style, "INSIDE_MAIN")) {
output = run("." DIR_SEP OUTPUT_FILE, &status);
if (!strstr(test->style, "EXECUTE") && status != 0)
- c12r_errx(1, "Test for %s failed with %i:\n%s",
+ c12r_errx(EXIT_BAD_TEST,
+ "Test for %s failed with %i:\n%s",
test->name, status, output);
if (verbose && status)
printf("%s exited %i\n", test->name, status);
return test->answer;
}
+static char *any_field(char **fieldname)
+{
+ char buf[1000];
+ for (;;) {
+ char *p, *eq;
+
+ if (!fgets(buf, sizeof(buf), stdin))
+ return NULL;
+
+ p = buf;
+ /* Ignore whitespace, lines starting with # */
+ while (*p == ' ' || *p == '\t')
+ p++;
+ if (*p == '#' || *p == '\n')
+ continue;
+
+ eq = strchr(p, '=');
+ if (!eq)
+ c12r_errx(EXIT_BAD_INPUT, "no = in line: %s", p);
+ *eq = '\0';
+ *fieldname = strdup(p);
+ p = eq + 1;
+ if (strlen(p) && p[strlen(p)-1] == '\n')
+ p[strlen(p)-1] = '\0';
+ return strdup(p);
+ }
+}
+
+static char *read_field(const char *name, bool compulsory)
+{
+ char *fieldname, *value;
+
+ value = any_field(&fieldname);
+ if (!value) {
+ if (!compulsory)
+ return NULL;
+ c12r_errx(EXIT_BAD_INPUT, "Could not read field %s", name);
+ }
+ if (strcmp(fieldname, name) != 0)
+ c12r_errx(EXIT_BAD_INPUT,
+ "Expected field %s not %s", name, fieldname);
+ return value;
+}
+
+/* Test descriptions from stdin:
+ * Lines starting with # or whitespace-only are ignored.
+ *
+ * First three non-ignored lines must be:
+ * var=<varname>
+ * desc=<description-for-autotools-style>
+ * style=OUTSIDE_MAIN DEFINES_FUNC INSIDE_MAIN DEFINES_EVERYTHING EXECUTE MAY_NOT_COMPILE
+ *
+ * Followed by optional lines:
+ * depends=<space-separated-testnames, ! to invert>
+ * link=<extra args for link line>
+ * flags=<extra args for compile line>
+ * overrides=<testname-to-force>
+ *
+ * Finally a code line, either:
+ * code=<oneline> OR
+ * code=
+ * <lines of code>
+ * <end-comment>
+ *
+ * And <end-comment> looks like this next comment: */
+/*END*/
+static bool read_test(struct test *test)
+{
+ char *field, *value;
+ char buf[1000];
+
+ memset(test, 0, sizeof(*test));
+ test->name = read_field("var", false);
+ if (!test->name)
+ return false;
+ test->desc = read_field("desc", true);
+ test->style = read_field("style", true);
+ /* Read any optional fields. */
+ while ((value = any_field(&field)) != NULL) {
+ if (strcmp(field, "depends") == 0)
+ test->depends = value;
+ else if (strcmp(field, "link") == 0)
+ test->link = value;
+ else if (strcmp(field, "flags") == 0)
+ test->flags = value;
+ else if (strcmp(field, "overrides") == 0)
+ test->overrides = value;
+ else if (strcmp(field, "code") == 0)
+ break;
+ else
+ c12r_errx(EXIT_BAD_INPUT, "Unknown field %s in %s",
+ field, test->name);
+ }
+ if (!value)
+ c12r_errx(EXIT_BAD_INPUT, "Missing code in %s", test->name);
+
+ if (strlen(value) == 0) {
+ /* Multiline program, read to END comment */
+ while (fgets(buf, sizeof(buf), stdin) != 0) {
+ size_t n;
+ if (strncmp(buf, "/*END*/", 7) == 0)
+ break;
+ n = strlen(value);
+ value = realloc(value, n + strlen(buf) + 1);
+ strcpy(value + n, buf);
+ n += strlen(buf);
+ }
+ }
+ test->fragment = value;
+ return true;
+}
+
+static void read_tests(size_t num_tests)
+{
+ while (read_test(tests + num_tests)) {
+ num_tests++;
+ tests = realloc(tests, (num_tests + 1) * sizeof(tests[0]));
+ tests[num_tests].name = NULL;
+ }
+}
+
int main(int argc, const char *argv[])
{
char *cmd;
const char *orig_cc;
const char *varfile = NULL;
const char *headerfile = NULL;
+ bool extra_tests = false;
FILE *outf;
if (argc > 0)
while (argc > 1) {
if (strcmp(argv[1], "--help") == 0) {
- printf("Usage: configurator [-v] [--var-file=<filename>] [-O<outflag>] [--configurator-cc=<compiler-for-tests>] [--autotools-style] [<compiler> <flags>...]\n"
+ printf("Usage: configurator [-v] [--var-file=<filename>] [-O<outflag>] [--configurator-cc=<compiler-for-tests>] [--autotools-style] [--extra-tests] [<compiler> <flags>...]\n"
" <compiler> <flags> will have \"<outflag> <outfile> <infile.c>\" appended\n"
"Default: %s %s %s\n",
DEFAULT_COMPILER, DEFAULT_FLAGS,
fprintf(stderr,
"%s: option requires an argument -- O\n",
argv[0]);
- exit(1);
+ exit(EXIT_BAD_USAGE);
}
} else if (strcmp(argv[1], "-v") == 0) {
argc--;
headerfile = argv[1] + 14;
argc--;
argv++;
+ } else if (strcmp(argv[1], "--extra-tests") == 0) {
+ extra_tests = true;
+ argc--;
+ argv++;
} else if (strcmp(argv[1], "--") == 0) {
break;
} else if (argv[1][0] == '-') {
- c12r_errx(2, "Unknown option %s", argv[1]);
+ c12r_errx(EXIT_BAD_USAGE, "Unknown option %s", argv[1]);
} else {
break;
}
if (argc == 1)
argv = default_args;
+ /* Copy with NULL entry at end */
+ tests = calloc(sizeof(base_tests)/sizeof(base_tests[0]) + 1,
+ sizeof(base_tests[0]));
+ memcpy(tests, base_tests, sizeof(base_tests));
+
+ if (extra_tests)
+ read_tests(sizeof(base_tests)/sizeof(base_tests[0]));
+
orig_cc = argv[1];
if (configurator_cc)
argv[1] = configurator_cc;
sleep(1);
end_test(1);
}
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
+ for (i = 0; tests[i].name; i++)
run_test(cmd, &tests[i]);
free(cmd);
start_test("Writing variables to ", varfile);
vars = fopen(varfile, "a");
if (!vars)
- c12r_err(2, "Could not open %s", varfile);
+ c12r_err(EXIT_TROUBLE_RUNNING,
+ "Could not open %s", varfile);
}
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
+ for (i = 0; tests[i].name; i++)
fprintf(vars, "%s=%u\n", tests[i].name, tests[i].answer);
if (vars != stdout) {
if (fclose(vars) != 0)
- c12r_err(2, "Closing %s", varfile);
+ c12r_err(EXIT_TROUBLE_RUNNING,
+ "Closing %s", varfile);
end_test(1);
}
}
start_test("Writing header to ", headerfile);
outf = fopen(headerfile, "w");
if (!outf)
- c12r_err(2, "Could not open %s", headerfile);
+ c12r_err(EXIT_TROUBLE_RUNNING,
+ "Could not open %s", headerfile);
} else
outf = stdout;
fprintf(outf, "#define CCAN_OUTPUT_EXE_CFLAG \"%s\"\n\n", outflag);
/* This one implies "#include <ccan/..." works, eg. for tdb2.h */
fprintf(outf, "#define HAVE_CCAN 1\n");
- for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
+ for (i = 0; tests[i].name; i++)
fprintf(outf, "#define %s %u\n", tests[i].name, tests[i].answer);
fprintf(outf, "#endif /* CCAN_CONFIG_H */\n");
if (headerfile) {
if (fclose(outf) != 0)
- c12r_err(2, "Closing %s", headerfile);
+ c12r_err(EXIT_TROUBLE_RUNNING, "Closing %s", headerfile);
end_test(1);
}
projects / ccan / blobdiff