80486DX2-66/polonium
80486DX2-66/polonium
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Code Issues

Merge branch 'main' into load_into_mem

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This commit is contained in:
Intel A80486DX2-66 2024-11-24 12:16:40 +03:00
commit 6bc3de42b4
Signed by: 80486DX2-66
GPG Key ID: 83631EF27054609B
3 changed files with 26 additions and 11 deletions
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4
include/common.h
View File

@ -106,8 +106,4 @@ typedef off_t file_offset_t;
#define SET_CONFIG(x) config |= (x)
#define CLEAR_CONFIG(x) config &= ~(x)
#define LOOP_ACTION_CONFIG(f, x) \
f(x); \
continue
#endif /* _COMMON_H */

1
src/corrupter.c
View File

@ -18,6 +18,7 @@ const size_t UINT16_MAX_PLUS_1 = UINT16_MAX + 1;
/* function definitions */
static bool get_chance(uint16_t desired_chance);
static bool is_line_ending(byte c);
static enum Interoperation_Result corrupt_byte(Interoperation_Input_Vars);
/* function implementations */
static bool get_chance(uint16_t desired_chance) {

32
src/main.c
View File

@ -186,12 +186,15 @@ static bool args_match(const char* arg, const char* args_list[]) {
int main(int argc, char** argv) {
puts("Polonium: a file corrupter\n");
if (argc < 2 || args_match(argv[argc - 1], ARGS_HELP)) {
if (!(argc > 2 && !strcmp(argv[1], "--")) &&
(argc < 2 || args_match(argv[argc - 1], ARGS_HELP))) {
char* program_name = my_basename(argv[0]);
printf(
"Usage: %s <file to corrupt> [parameters] [options]\n"
" OR\n"
" %s <-h | -help | --help>\n"
" OR\n"
" %s -- <file to corrupt: -h | -help | --help> [parameters] [options]\n"
"\n"
"Both parameters and options are optional.\n"
"\n"
@ -230,6 +233,7 @@ int main(int argc, char** argv) {
" random, set the option to `random`.\n"
"\n"
" -verbose : Enable verbose output\n",
program_name,
program_name,
program_name,
UINT16_MAX,
@ -243,14 +247,23 @@ int main(int argc, char** argv) {
return EXIT_FAILURE;
}
int arg_position = 2;
/* Allow passing file paths that resemble help options by using the help
* option delimiter (`--`). */
const char* file_path = argv[1];
if (argc > 2 && !strcmp(argv[1], "--")) {
file_path = argv[2];
arg_position++;
}
file_type_t file_type = FILE_TYPE_AUTO;
if (argc > 2) {
uint8_t arg_destination = ARG_NO_DEST;
bool read_off_value = false;
for (int i = 2; i < argc; ++i) {
for (int i = arg_position; i < argc; ++i) {
bool last_arg = i == (argc - 1);
#define arg argv[i]
@ -270,15 +283,20 @@ int main(int argc, char** argv) {
else if (ARG_MATCH(arg, ARG_SEED))
arg_destination = ARG_DEST_SEED;
else if (ARG_MATCH(arg, ARG_NOCONFIRM)) {
LOOP_ACTION_CONFIG(CLEAR_CONFIG, C_CONFIRM);
CLEAR_CONFIG(C_CONFIRM);
continue;
} else if (ARG_MATCH(arg, ARG_CONTENTS)) {
LOOP_ACTION_CONFIG(SET_CONFIG, C_CONTENTS);
SET_CONFIG(C_CONTENTS);
continue;
} else if (ARG_MATCH(arg, ARG_LINE_ENDINGS)) {
LOOP_ACTION_CONFIG(SET_CONFIG, C_LINE_ENDINGS);
SET_CONFIG(C_LINE_ENDINGS);
continue;
} else if (ARG_MATCH(arg, ARG_PRINTABLE)) {
LOOP_ACTION_CONFIG(SET_CONFIG, C_PRINTABLE);
SET_CONFIG(C_PRINTABLE);
continue;
} else if (ARG_MATCH(arg, ARG_VERBOSE)) {
LOOP_ACTION_CONFIG(SET_CONFIG, C_VERBOSE);
SET_CONFIG(C_VERBOSE);
continue;
} else
FATAL_ERROR_RET("Unknown command line parameter '%s'.\n"
"Please invoke the program with argument %s to "