int main(int argc, char **argv) {
/* Initialize. */
{
struct chaz_CLIArgs args;
int result = chaz_Probe_parse_cli_args(argc, argv, &args);
if (!result) {
chaz_Probe_die_usage();
}
chaz_Probe_init(&args);
}
/* Run probe modules. */
chaz_DirManip_run();
chaz_Headers_run();
chaz_AtomicOps_run();
chaz_FuncMacro_run();
chaz_Integers_run();
chaz_Floats_run();
chaz_LargeFiles_run();
chaz_Memory_run();
chaz_SymbolVisibility_run();
chaz_UnusedVars_run();
chaz_VariadicMacros_run();
/* Write custom postamble. */
chaz_ConfWriter_append_conf(
"#ifdef CHY_HAS_SYS_TYPES_H\n"
" #include <sys/types.h>\n"
"#endif\n\n"
);
chaz_ConfWriter_append_conf(
"#ifdef CHY_HAS_ALLOCA_H\n"
" #include <alloca.h>\n"
"#elif defined(CHY_HAS_MALLOC_H)\n"
" #include <malloc.h>\n"
"#elif defined(CHY_ALLOCA_IN_STDLIB_H)\n"
" #include <stdlib.h>\n"
"#endif\n\n"
);
chaz_ConfWriter_append_conf(
"#ifdef CHY_HAS_WINDOWS_H\n"
" /* Target Windows XP. */\n"
" #ifndef WINVER\n"
" #define WINVER 0x0500\n"
" #endif\n"
" #ifndef _WIN32_WINNT\n"
" #define _WIN32_WINNT 0x0500\n"
" #endif\n"
"#endif\n\n"
);
/* Clean up. */
chaz_Probe_clean_up();
return 0;
}
void
chaz_LargeFiles_run(void) {
int found_off64_t = false;
const char *stat_includes = "#include <stdio.h>\n#include <sys/stat.h>";
chaz_ConfWriter_start_module("LargeFiles");
/* Find off64_t or equivalent. */
found_off64_t = chaz_LargeFiles_probe_off64();
if (found_off64_t) {
chaz_ConfWriter_add_def("HAS_64BIT_OFFSET_TYPE", NULL);
chaz_ConfWriter_add_def("off64_t", chaz_LargeFiles.off64_type);
}
/* See if stdio variants with 64-bit support exist. */
chaz_LargeFiles_probe_stdio64();
/* Probe for 64-bit versions of lseek and pread (if we have an off64_t). */
if (found_off64_t) {
chaz_LargeFiles_probe_unbuff();
}
/* Make checks needed for testing. */
if (chaz_HeadCheck_check_header("sys/stat.h")) {
chaz_ConfWriter_append_conf("#define CHAZ_HAS_SYS_STAT_H\n");
}
if (chaz_HeadCheck_check_header("io.h")) {
chaz_ConfWriter_append_conf("#define CHAZ_HAS_IO_H\n");
}
if (chaz_HeadCheck_check_header("fcntl.h")) {
chaz_ConfWriter_append_conf("#define CHAZ_HAS_FCNTL_H\n");
}
if (chaz_HeadCheck_contains_member("struct stat", "st_size", stat_includes)) {
chaz_ConfWriter_append_conf("#define CHAZ_HAS_STAT_ST_SIZE\n");
}
if (chaz_HeadCheck_contains_member("struct stat", "st_blocks", stat_includes)) {
chaz_ConfWriter_append_conf("#define CHAZ_HAS_STAT_ST_BLOCKS\n");
}
chaz_ConfWriter_end_module();
}
void
chaz_Floats_run(void) {
chaz_ConfWriter_start_module("Floats");
chaz_ConfWriter_append_conf(
"typedef union { unsigned char c[4]; float f; } chy_floatu32;\n"
"typedef union { unsigned char c[8]; double d; } chy_floatu64;\n"
"#ifdef CHY_BIG_END\n"
"static const chy_floatu32 chy_f32inf\n"
" = { { 0x7F, 0x80, 0, 0 } };\n"
"static const chy_floatu32 chy_f32neginf\n"
" = { { 0xFF, 0x80, 0, 0 } };\n"
"static const chy_floatu32 chy_f32nan\n"
" = { { 0x7F, 0xC0, 0, 0 } };\n"
"static const chy_floatu64 chy_f64inf\n"
" = { { 0x7F, 0xF0, 0, 0, 0, 0, 0, 0 } };\n"
"static const chy_floatu64 chy_f64neginf\n"
" = { { 0xFF, 0xF0, 0, 0, 0, 0, 0, 0 } };\n"
"static const chy_floatu64 chy_f64nan\n"
" = { { 0x7F, 0xF8, 0, 0, 0, 0, 0, 0 } };\n"
"#else /* BIG_END */\n"
"static const chy_floatu32 chy_f32inf\n"
" = { { 0, 0, 0x80, 0x7F } };\n"
"static const chy_floatu32 chy_f32neginf\n"
" = { { 0, 0, 0x80, 0xFF } };\n"
"static const chy_floatu32 chy_f32nan\n"
" = { { 0, 0, 0xC0, 0x7F } };\n"
"static const chy_floatu64 chy_f64inf\n"
" = { { 0, 0, 0, 0, 0, 0, 0xF0, 0x7F } };\n"
"static const chy_floatu64 chy_f64neginf\n"
" = { { 0, 0, 0, 0, 0, 0, 0xF0, 0xFF } };\n"
"static const chy_floatu64 chy_f64nan\n"
" = { { 0, 0, 0, 0, 0, 0, 0xF8, 0x7F } };\n"
"#endif /* BIG_END */\n"
);
chaz_ConfWriter_add_def("F32_INF", "(chy_f32inf.f)");
chaz_ConfWriter_add_def("F32_NEGINF", "(chy_f32neginf.f)");
chaz_ConfWriter_add_def("F32_NAN", "(chy_f32nan.f)");
chaz_ConfWriter_add_def("F64_INF", "(chy_f64inf.d)");
chaz_ConfWriter_add_def("F64_NEGINF", "(chy_f64neginf.d)");
chaz_ConfWriter_add_def("F64_NAN", "(chy_f64nan.d)");
chaz_ConfWriter_end_module();
}
int main(int argc, char **argv) {
struct CLIArgs args;
memset(&args, 0, sizeof(struct CLIArgs));
S_parse_arguments(argc, argv, &args);
chaz_Probe_init(args.cc_command, args.cc_flags);
if (args.enable_c) {
chaz_ConfWriterC_enable();
}
if (args.enable_perl) {
chaz_ConfWriterPerl_enable();
}
if (args.enable_ruby) {
chaz_ConfWriterRuby_enable();
}
/* Run probe modules. */
chaz_DirManip_run();
chaz_Headers_run();
chaz_AtomicOps_run();
chaz_FuncMacro_run();
chaz_Integers_run();
chaz_Floats_run();
chaz_LargeFiles_run();
chaz_Memory_run();
chaz_SymbolVisibility_run();
chaz_UnusedVars_run();
chaz_VariadicMacros_run();
/* Write custom postamble. */
chaz_ConfWriter_append_conf(
"#ifdef CHY_HAS_SYS_TYPES_H\n"
" #include <sys/types.h>\n"
"#endif\n\n"
);
chaz_ConfWriter_append_conf(
"#ifdef CHY_HAS_STDARG_H\n"
" #include <stdarg.h>\n"
"#endif\n\n"
);
chaz_ConfWriter_append_conf(
"#ifdef CHY_HAS_ALLOCA_H\n"
" #include <alloca.h>\n"
"#elif defined(CHY_HAS_MALLOC_H)\n"
" #include <malloc.h>\n"
"#elif defined(CHY_ALLOCA_IN_STDLIB_H)\n"
" #include <stdlib.h>\n"
"#endif\n\n"
);
chaz_ConfWriter_append_conf(
"#ifdef CHY_HAS_WINDOWS_H\n"
" /* Target Windows XP. */\n"
" #ifndef WINVER\n"
" #define WINVER 0x0500\n"
" #endif\n"
" #ifndef _WIN32_WINNT\n"
" #define _WIN32_WINNT 0x0500\n"
" #endif\n"
"#endif\n\n"
);
/* Clean up. */
chaz_Probe_clean_up();
return 0;
}
