bool record_create(record_t *record, const char *prog, int argc, char **argv)
{
char hash_buf[SHA1_STRING_LEN];
const char *prog_bin = prog;
unsigned i;
record_clear(record);
if (strrchr(prog, '/'))
prog_bin = strrchr(prog, '/') + 1;
if (!sha1_file(prog, hash_buf)) return false;
strlist_push_back(&record->prog_line, prog_bin);
strlist_push_back(&record->prog_line, sha1_file(prog, hash_buf));
for (i = 0; i < (unsigned)argc; ++i)
strlist_push_back(&record->prog_line, argv[i]);
strlist lib_list = STRLIST_INITIALIZER;
get_libs(&lib_list, prog);
for (i = 0; i < lib_list.count; ++i) {
const char *lib_path = strlist_get(&lib_list, i);
if (!sha1_file(lib_path, hash_buf)) continue;
strlist_push_back(&record->lib_line, lib_path);
strlist_push_back(&record->lib_line, sha1_file(lib_path, hash_buf));
}
record->enabled = true;
return true;
}
strlist libs_diff(strlist *prev_run, strlist *curr_run)
{
strlist result = STRLIST_INITIALIZER;
char buf[STRING_MAX];
unsigned prev_cnt = 0, curr_cnt = 0;
char *prev_ptr = strlist_get(prev_run, prev_cnt);
char *curr_ptr = strlist_get(curr_run, curr_cnt);
int retval = 0;
while (prev_ptr || curr_ptr) {
if (prev_ptr && curr_ptr) {
retval = strcmp(prev_ptr, curr_ptr);
if (retval == 0) {
// Libraries match. Compare file contents.
char *prev_hash = strlist_get(prev_run, ++prev_cnt);
char *curr_hash = strlist_get(curr_run, ++curr_cnt);
if (strcmp(prev_hash, curr_hash) != 0) {
snprintf(buf, sizeof(buf), "* %s has changed since last run.", prev_ptr);
strlist_push_back(&result, buf);
}
prev_ptr = strlist_get(prev_run, ++prev_cnt);
curr_ptr = strlist_get(curr_run, ++curr_cnt);
continue;
}
}
if (!curr_ptr || retval < 0) {
// If (there are no more libraries from `ldd`) OR
// (library from history record not found in `ldd` list)
snprintf(buf, sizeof(buf), "* Mutatee is no longer dependent on %s.", prev_ptr);
strlist_push_back(&result, buf);
++prev_cnt; // Skip digest string.
prev_ptr = strlist_get(prev_run, ++prev_cnt);
} else if (!prev_ptr || retval > 0) {
// If (there are no more libraries from the history record) OR
// (library from `ldd` not found in history record list)
snprintf(buf, sizeof(buf), "* Mutatee is now dependent on %s.", curr_ptr);
strlist_push_back(&result, buf);
++curr_cnt; // Skip digest string.
curr_ptr = strlist_get(curr_run, ++curr_cnt);
}
}
return result;
}
strlist char2strlist(char *buf)
{
char *data = NULL;
char *curr = buf;
char *next = NULL;
strlist result = STRLIST_INITIALIZER;
while (curr && *curr) {
while (isspace(*curr)) ++curr;
data = decodeStr(curr, &next);
if (!strlist_push_back(&result, data)) {
strlist_clear(&result);
break;
}
curr = next;
}
return result;
}
