source: tests/configs/parsenums.cfa @ a51b8f6

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <errno.h>
#include <signal.h>

extern "C" {
        #include <sys/types.h>
        #include <sys/wait.h>
        #include <unistd.h>
}

#include <parseargs.hfa>
#include <fstream.hfa>

#if __SIZEOF_LONG__ == 4
        #define BIG_UNSIGNED_LONG "4294967295"
        #define TOO_BIG_UNSIGNED_LONG "4294967296"
#elif  __SIZEOF_LONG__ == 8
        #define BIG_UNSIGNED_LONG "18446744073709551615"
        #define TOO_BIG_UNSIGNED_LONG "18446744073709551616"
#else
        #error unexpected size of long
#endif

int true_main(const char * exec);

int main(int argc, char * argv[]) {
        if(!getenv("CFATEST_FORK_EXEC_TEXT")) return true_main(argv[0]);

        int i = -3;
        unsigned u = 3;
        unsigned long ul = 3;
        unsigned long long ull = 3;
        double d = 3.3;


        cfa_option options[] = {
                { 'i', "int",              "test int",                i   },
                { 'u', "unsigned",         "test unsigned",           u   },
                { 'l', "unsignedlong",     "test unsigned long",      ul  },
                { 'L', "unsignedlonglong", "test unsigned long long", ull },
                { 'd', "double",           "test double",             d   },
        };
        int options_cnt = sizeof(options) / sizeof(cfa_option);

        char **left;
        parse_args( options, options_cnt, "[OPTIONS]...\ntesting bool parameters", left);

        sout | "int                :" | i;
        sout | "unsigned           :" | u;
        sout | "unsigned long      :" | ul;
        sout | "unsigned long long :" | ull;
        sout | "double             :" | d;
}

int do_wait(pid_t pid) {
        int wstatus;
        int options = 0;
        pid_t ret = waitpid(pid, &wstatus, options);
        fflush(stdout);
        if(ret < 0) {
                fprintf(stderr, "Fork returned with error: %d '%s'\n", errno, strerror(errno));
                exit(1);
        }
        return wstatus;
}

pid_t strict_fork(void) {
        fflush(stdout);
        pid_t ret = fork();
        if(ret < 0) {
                fprintf(stderr, "Fork returned with error: %d '%s'\n", errno, strerror(errno));
                exit(1);
        }
        return ret;
}

void print_status(int wstatus) {
        printf("Child status:\n");
        printf("    WIFEXITED   : %d", WIFEXITED(wstatus));
        printf("    WEXITSTATUS : %d", WEXITSTATUS(wstatus));
        printf("    WIFSIGNALED : %d", WIFSIGNALED(wstatus));
        printf("    WTERMSIG    : %d", WTERMSIG(wstatus));
        printf("    WCOREDUMP   : %d", WCOREDUMP(wstatus));
        printf("    WIFSTOPPED  : %d", WIFSTOPPED(wstatus));
        printf("    WSTOPSIG    : %d", WSTOPSIG(wstatus));
        printf("    WIFCONTINUED: %d\n", WIFCONTINUED(wstatus));
}

int true_main(const char * path) {
        char * env[] = { "CFATEST_FORK_EXEC_TEXT=1", 0p };

        printf("no arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        printf("all 0 arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-i=0", "-u=0", "-l=0", "-L=0", "-d=0", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        printf("negative vals arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-i=-1", "-d=-1", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        printf("funky notation arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-i=0x10", "-u=0x20", "-l=0x300", "-L=0x4000", "-d=5e6", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        printf("big values arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-i=2147483647", "-u=4294967295", "-l=" BIG_UNSIGNED_LONG, "-L=18446744073709551615", "-d=5e6", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        printf("too big values arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-i=2147483648", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-u=4294967296", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-l=" TOO_BIG_UNSIGNED_LONG, (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-L=18446744073709551616", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        printf("negative errors arg:\n");
        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-u=-1", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-l=-1", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        if(pid_t child = strict_fork(); child == 0) {
                int ret = execle(path, "parsenums", "-L=-1", (const char*)0p, env);
                if(ret < 0) {
                        fprintf(stderr, "Execl 2 returned with error: %d '%s'\n", errno, strerror(errno));
                        exit(1);
                }
        }
        else {
                int status = do_wait(child);
                print_status(status);
        }
        printf("\n");

        printf("All Done!\n");

        return 0;
}