/* Print integers in a given base 2-16 (default 10) */ #include #include #include "misc.h" char *itoa(int n, int b) { char buf[64], *s = &buf[63]; *s = '\0'; do *--s = "0123456789ABCDEF"[n%b]; while ((n /= b) > 0); return strsave(s); } int main(int argc, char *argv[]) { int i; for (i = 1; i < argc - 1; i += 2) { int n, base; char *s; sscanf(argv[i], "%d", &n); sscanf(argv[i+1], "%d", &base); if (base < 2 || base > 16) { printf("%s: %d is a invalid base; using 10\n", argv[0], base); base = 10; } s = itoa(n, base); printf("%s (%d)\n", s, strlen(s)); free(s); } return 0; }