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Fix meta_key UB problem

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This commit is contained in:
simon987 2021-06-11 20:19:36 -04:00
parent 81670ee107
commit efa4a06e56
2 changed files with 16 additions and 14 deletions
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12
src/io/serialize.c
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@ -18,7 +18,7 @@ typedef struct {
#define META_NEXT 0xFFFF
void skip_meta(FILE *file) {
enum metakey key;
enum metakey key = 0;
fread(&key, sizeof(uint16_t), 1, file);
while (key != META_NEXT) {
@ -237,7 +237,7 @@ void read_index_bin(const char *path, const char *index_id, index_func func) {
FILE *file = fopen(path, "rb");
while (TRUE) {
buf.cur = 0;
size_t _ = fread((void *) &line, 1, sizeof(line_t), file);
size_t _ = fread((void *) &line, sizeof(line_t), 1, file);
if (feof(file)) {
break;
}
@ -284,8 +284,8 @@ void read_index_bin(const char *path, const char *index_id, index_func func) {
cJSON_AddStringToObject(document, "path", "");
}
enum metakey key;
fread(&key, sizeof(short), 1, file);
enum metakey key = 0;
fread(&key, sizeof(uint16_t), 1, file);
size_t ret;
while (key != META_NEXT) {
switch (key) {
@ -481,7 +481,7 @@ void incremental_read(GHashTable *table, const char *filepath) {
incremental_put(table, line.path_md5, line.mtime);
while ((getc(file))) {}
while ((getc(file)) != 0) {}
skip_meta(file);
}
fclose(file);
@ -531,7 +531,7 @@ void incremental_copy(store_t *store, store_t *dst_store, const char *filepath,
free(buf);
}
enum metakey key;
enum metakey key = 0;
while (1) {
fread(&key, sizeof(uint16_t), 1, file);
fwrite(&key, sizeof(uint16_t), 1, dst_file);

18
tests/test_scan.py
View File

@ -17,17 +17,19 @@ def copy_files(files):
def sist2(*args):
print("./sist2 " + " ".join(args))
return subprocess.check_output(
args=["./sist2_debug", *args],
args=["./sist2", *args],
)
def sist2_index(files, *args):
path = copy_files(files)
shutil.rmtree("i", ignore_errors=True)
sist2("scan", path, "-o", "i", *args)
return iter(sist2_index_to_dict("i"))
shutil.rmtree("test_i", ignore_errors=True)
sist2("scan", path, "-o", "test_i", *args)
return iter(sist2_index_to_dict("test_i"))
def sist2_incremental_index(files, func=None, *args):
@ -36,14 +38,14 @@ def sist2_incremental_index(files, func=None, *args):
if func:
func(path)
shutil.rmtree("i_inc", ignore_errors=True)
sist2("scan", path, "-o", "i_inc", "--incremental", "i", *args)
return iter(sist2_index_to_dict("i_inc"))
shutil.rmtree("test_i_inc", ignore_errors=True)
sist2("scan", path, "-o", "test_i_inc", "--incremental", "test_i", *args)
return iter(sist2_index_to_dict("test_i_inc"))
def sist2_index_to_dict(index):
res = subprocess.check_output(
args=["./sist2_debug", "index", "--print", index],
args=["./sist2", "index", "--print", index],
)
for line in res.splitlines():