/* ASCII GIF for Ace challenge DO NOT RUN IN PLAYGROUND, WILL NOT WORK Compilation on linux only : gcc main.c -o flag -lm -pedantic -Wall -Wextra When running, just press enter to leave :) If there is something that do not work, please tell me :) */ #define _POSIX_C_SOURCE 199309L #include #include #include #include /* For keyboard events */ #define _XOPEN_SOURCE 700 #include #include #include #include #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #define clear() printf("\033[H\033[J") /* erase what is actually displayed in the terminal */ typedef struct{ char ** flag; unsigned width; unsigned height; }flag_t; flag_t french_flag(unsigned width,unsigned height); void display_flag(flag_t flag,double wave); void freeFlag(flag_t * f); int get_key(); #define STEPS 100 int main() { flag_t flag = french_flag(29,11); double wave; char c; if(flag.flag){ if(STEPS>0){ srand(time(0)); wave=(double)(rand())/RAND_MAX*2*M_PI; c=get_key(); system("clear"); while(c!=10){ clear(); display_flag(flag,wave); wave+=2*M_PI/STEPS; c=get_key(); nanosleep((const struct timespec[]){{0, 10000000L}}, NULL); } clear(); } freeFlag(&flag); }else{ puts("Failed due to memory issue"); } return 0; } flag_t french_flag(unsigned width,unsigned height){ char full[] = {'#','$','%','&','@','%'}; unsigned f_len = 6; char empty[] = {'-','*','+','~','.',',','`'}; unsigned e_len = 7; char colors[3]; int i; j, k, count; int ids[3]; int h = height; flag_t flag; flag.flag = (char**)malloc(height*sizeof(char*)); if(flag.flag){ flag.width = width; flag.height = height; colors[0]=full[rand()%f_len]; do{ colors[2]=full[rand()%f_len]; }while(f_len>1 && colors[0]==colors[2]); colors[1]=empty[rand()%e_len]; ids[0]=ids[1]=ids[2]=width/3; if(width%3==1){ ++ids[1]; }else if(width%3==2){ ++ids[0]; ++ids[2]; } for(i=0; i=0){ putchar('|'); putchar('|'); }else{ putchar(' '); putchar(' '); } for(j=0; j=0 && i-(int)limits[j]flag){ for(i = 0;i < f->height; ++i){ free(f->flag[i]); } free(f->flag); f->flag = NULL; } } int get_key(){ int c; struct termios old_term_attr; struct termios new_term_attr; /* setting terminal in no waiting input mode */ tcgetattr(fileno(stdin),&old_term_attr); memcpy(&new_term_attr,&old_term_attr,sizeof(struct termios)); new_term_attr.c_lflag &= ~(ECHO|ICANON); new_term_attr.c_cc[VTIME] = 0; new_term_attr.c_cc[VMIN] = 0; tcsetattr(fileno(stdin), TCSANOW, &new_term_attr); /* reading */ c=fgetc(stdin); if(c!=EOF){ /* erasing the display of the key */ putchar('\r'); putchar(' '); putchar('\r'); } /* reset terminal mode */ tcsetattr(fileno(stdin), TCSANOW, &old_term_attr); return c; }

Ace flag challenge : France v2