static void test_ffs()
{
char str_buf[128] = {0};
uint8_t s = BIT(3) | BIT(6) | BIT(0) | BIT(7);
int results[4] = {1, 4, 7, 8};
for (int i = 0; i < 4; i++) {
int ret = ffs(s);
test_equal(results[i], ret);
printf("%02x(%s) -> %d\n", s, bin_str(&s, 1, str_buf, 128), ret);
s &= ~BIT((ret - 1));
}
}
int
main(int argc, char **argv)
{
struct makefile *Makefile;
FILE *rw_to = NULL;
char *contents = NULL;
char *conv_str = NULL;
char byte[CHAR_BIT];
int error_code;
int i, c, x;
int run_flag = 0;
int comp_flag = 0;
// Attempt to find BFMakefile
if ((rw_to = fopen("BFMakefile", "r")) == NULL)
{
// No BFMakefile found :(
(void) fprintf(stderr, "[ERROR] BFMakefile was not found\nCreating...\n\n");
// Attempt creation of BFMakefle
if ((rw_to = fopen("BFMakefile", "w")) == NULL)
// Creation failed
(void) fprintf(stderr, "[ERROR] Unable to create BFMakefile\nExiting\n");
// Creation successful, close the _file stream
else
{
(void) fclose(rw_to);
(void) fprintf(stderr, "[INFO] BFMakefile has been created\n");
}
error_code = errno;
return error_code;
}
// Get contents of makefile, NULL if fail
if ((contents = read_file(rw_to)) == NULL)
return MALLOC_ERR;
(void) fclose(rw_to);
// Check if number of bits is correct
if ((i = strlen(contents) % 8))
{
(void) fprintf(stderr, "[ERROR] Incorrect length\nExcess Length: %d", i);
return NO_MAKE;
}
// Allocate 8 "bits" to a char, so divide by 8 +1 for NT
if ((conv_str = (char *) malloc(sizeof(char) * (strlen(contents) / 8) + 1)) == NULL)
{
(void) fprintf(stderr, "[ERROR] Malloc of conv_str failed\n\n");
(void) fprintf(stderr, "File: %s\n", __FILE__);
(void) fprintf(stderr, "Line: %d\n", __LINE__);
return MALLOC_ERR;
}
for (c = 0, i = 0, x = 0; contents[c] != '\0'; ++c, ++x)
{
byte[x] = contents[c];
if (x + 1 == CHAR_BIT)
{
conv_str[i++] = bin_str(byte, NULL);
x = 0;
++c;
}
}
free(contents);
(void) fprintf(rw_to, "\n\n\n");
(void) fclose(rw_to);
// Terminate string
conv_str[i] = '\0';
// Allocate space for Makefile, NULL if fail
if ((Makefile = (struct makefile *) malloc(sizeof(struct makefile))) == NULL)
{
(void) fprintf(stderr, "[ERROR] Malloc of Makefile failed\n\n");
(void) fprintf(stderr, "File: %s\n", __FILE__);
(void) fprintf(stderr, "Line: %d\n", __LINE__);
return MALLOC_ERR;
}
else
if (parse_make(conv_str, Makefile))
return BAD_MAKE;
free(conv_str);
if (src_hdr_write(Makefile->src_files, Makefile->src_count, SRC_MODE))
{
(void) fprintf(stderr, "[ERROR] Failed to handle Makefile->src_files correctly\n");
return EXIT_FAILURE;
}
free(Makefile->src_files);
(void) printf("\nMakefile->src_files successfully handled\n");
if (src_hdr_write(Makefile->hdr_files, Makefile->hdr_count, HDR_MODE))
{
(void) fprintf(stderr, "[ERROR] Failed to handle Makefile->hdr_files correctly\n");
return EXIT_FAILURE;
}
free(Makefile->hdr_files);
(void) printf("Makefile->hdr_files successfully handled\n");
if (obj_exc_write(Makefile->obj_files, Makefile->obj_count, OBJ_MODE))
{
(void) fprintf(stderr, "[ERROR] Failed to handle Makefile->obj_files correctly\n");
return EXIT_FAILURE;
}
free(Makefile->obj_files);
(void) printf("Makefile->obj_files successfully handled\n");
if (obj_exc_write(Makefile->exc_name, 1, EXC_MODE))
{
(void) fprintf(stderr, "[ERROR] Failed to handle Makefile->exc_name correctly\n");
return EXIT_FAILURE;
}
(void) printf("Makefile->exc_name successfully handled\n\n");
for (i = 1; i < argc; ++i)
{
if (!strcmp(argv[i], "--make"))
comp_flag = 1;
if (!strcmp(argv[i], "--run"))
run_flag = 1;
}
if (comp_flag)
if (system("make"))
return EXIT_FAILURE;
(void) printf("\n\n");
if (run_flag)
{
if ((Makefile->exc_name = (char*) realloc(Makefile->exc_name, sizeof(char) * Makefile->exc_len + strlen(EXC_EXT) + 1)) == NULL)
{
(void) fprintf(stderr, "[ERROR] Realloc of Makefile->exc_name failed\n");
return EXIT_FAILURE;
}
(void) system(strcat(Makefile->exc_name, EXC_EXT));
}
free(Makefile->exc_name);
free(Makefile);
return EXIT_SUCCESS;
}
