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#include <sys/wait.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <time.h>
#include <string.h>
#define CC "gcc", "-O3"
int status;
#define RUN_CMD(...) do { \
if (fork() == 0) { \
char* args[] = __VA_ARGS__; \
print_cmd(args); \
execvp(args[0], args); \
return 0; \
} else { \
wait(&status); \
} \
} while (0);
void print_cmd(char** args) {
int i = 0;
while (args[i] != NULL) {
printf("%s ", args[i++]);
}
printf("\n");
}
int clean_mode();
int test_mode();
int server_mode();
int engine_mode();
// https://github.com/tsoding/nob.h/blob/0a08926d8094fc4ae678155c5d73ae21d1f96f3f/nob.h#L2413
int needs_rebuild(char* bin_file, char* source_file) {
struct stat statbuf = {0};
if (stat(bin_file, &statbuf) < 0) {
if (errno == ENOENT) return 1;
return -1;
}
time_t output_path_time = statbuf.st_mtime;
if (stat(source_file, &statbuf) < 0) {
fprintf(stderr, "could not stat %s: %s", source_file, strerror(errno));
return -1;
}
time_t input_path_time = statbuf.st_mtime;
return input_path_time > output_path_time;
}
#define ENGINE_O "output/engine.o"
#define SERVER_O "output/server.o"
#define LOG_O "output/log.o"
#define LOGGER_C "src/logger/logger.c"
int main(int argc, char** argv) {
if (needs_rebuild(argv[0], __FILE__)) {
RUN_CMD({CC, __FILE__, "-o", argv[0], NULL});
if (status != 0) {
// cc error
return 0;
}
print_cmd(argv);
execvp(argv[0], argv);
}
RUN_CMD({"rm", "/dev/mqueue/logs", NULL});
RUN_CMD({"mkdir", "-p", "output", NULL});
if (argc > 1) {
if (strcmp(argv[1], "test") == 0) {
return test_mode();
}
if (strcmp(argv[1], "server") == 0) {
RUN_CMD({CC, "src/log.c", "-o", LOG_O, NULL});
return server_mode();
}
if (strcmp(argv[1], "clean") == 0) {
RUN_CMD({CC, "src/log.c", "-o", LOG_O, NULL});
return clean_mode();
}
}
return engine_mode();
}
int clean_mode() {
char* args[] = {"rm", "-r", "output", NULL};
print_cmd(args);
execvp(args[0], args);
return 0;
}
int test_mode() {
RUN_CMD({CC, "generate/find_tests.c", LOGGER_C, "-o", "output/find_tests.o", NULL});
RUN_CMD({"./output/find_tests.o", NULL});
printf("\n");
RUN_CMD({CC, "tests/main.c", LOGGER_C, "-o", "output/test.o", NULL});
char* args[] = {"./output/test.o", NULL};
print_cmd(args);
execvp(args[0], args);
return 0;
}
int server_mode() {
RUN_CMD({"rm", "/dev/mqueue/server_to_engine", "/dev/mqueue/engine_to_server", NULL});
RUN_CMD({CC, "src/server.c", LOGGER_C, "-lcrypto", "-o", SERVER_O, NULL});
RUN_CMD({CC, "src/engine.c", LOGGER_C, "-o", ENGINE_O, NULL});
char* args[] = {LOG_O, SERVER_O, ENGINE_O, NULL};
print_cmd(args);
execvp(args[0], args);
return 0;
}
int engine_mode() {
RUN_CMD({CC, "src/engine.c", LOGGER_C, "-o", ENGINE_O, NULL});
char* args[] = {LOG_O, ENGINE_O, NULL};
print_cmd(args);
execvp(args[0], args);
return 0;
}
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