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BLI_path: add string size debug define 

Off by default, only for debugging.
This commit is contained in:
Campbell Barton 2018-06-17 15:35:00 +02:00
parent 42103a3eb8
commit 6453814ec0
1 changed files with 30 additions and 0 deletions
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30
source/blender/blenlib/intern/path_util.c
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@ -72,6 +72,8 @@ static bool BLI_path_is_abs(const char *name);
#endif /* WIN32 */
// #define DEBUG_STRSIZE
/* implementation */
/**
@ -658,6 +660,9 @@ void BLI_path_rel(char *file, const char *relfile)
*/
bool BLI_path_suffix(char *string, size_t maxlen, const char *suffix, const char *sep)
{
#ifdef DEBUG_STRSIZE
memset(string, 0xff, sizeof(*string) * maxlen);
#endif
const size_t string_len = strlen(string);
const size_t suffix_len = strlen(suffix);
const size_t sep_len = strlen(sep);
@ -1045,6 +1050,9 @@ bool BLI_path_abs(char *path, const char *basepath)
*/
bool BLI_path_cwd(char *path, const size_t maxlen)
{
#ifdef DEBUG_STRSIZE
memset(path, 0xff, sizeof(*path) * maxlen);
#endif
bool wasrelative = true;
const int filelen = strlen(path);
@ -1132,6 +1140,9 @@ bool BLI_path_program_search(
char *fullname, const size_t maxlen,
const char *name)
{
#ifdef DEBUG_STRSIZE
memset(fullname, 0xff, sizeof(*fullname) * maxlen);
#endif
const char *path;
bool retval = false;
@ -1434,6 +1445,9 @@ bool BLI_testextensie_glob(const char *str, const char *ext_fnmatch)
*/
bool BLI_replace_extension(char *path, size_t maxlen, const char *ext)
{
#ifdef DEBUG_STRSIZE
memset(path, 0xff, sizeof(*path) * maxlen);
#endif
const size_t path_len = strlen(path);
const size_t ext_len = strlen(ext);
ssize_t a;
@ -1460,6 +1474,9 @@ bool BLI_replace_extension(char *path, size_t maxlen, const char *ext)
*/
bool BLI_ensure_extension(char *path, size_t maxlen, const char *ext)
{
#ifdef DEBUG_STRSIZE
memset(path, 0xff, sizeof(*path) * maxlen);
#endif
const size_t path_len = strlen(path);
const size_t ext_len = strlen(ext);
ssize_t a;
@ -1488,6 +1505,9 @@ bool BLI_ensure_extension(char *path, size_t maxlen, const char *ext)
bool BLI_ensure_filename(char *filepath, size_t maxlen, const char *filename)
{
#ifdef DEBUG_STRSIZE
memset(filepath, 0xff, sizeof(*filepath) * maxlen);
#endif
char *c = (char *)BLI_last_slash(filepath);
if (!c || ((c - filepath) < maxlen - (strlen(filename) + 1))) {
strcpy(c ? &c[1] : filepath, filename);
@ -1504,6 +1524,10 @@ bool BLI_ensure_filename(char *filepath, size_t maxlen, const char *filename)
* */
void BLI_split_dirfile(const char *string, char *dir, char *file, const size_t dirlen, const size_t filelen)
{
#ifdef DEBUG_STRSIZE
memset(dir, 0xff, sizeof(*dir) * dirlen);
memset(file, 0xff, sizeof(*file) * filelen);
#endif
const char *lslash_str = BLI_last_slash(string);
const size_t lslash = lslash_str ? (size_t)(lslash_str - string) + 1 : 0;
@ -1563,6 +1587,9 @@ void BLI_path_append(char *__restrict dst, const size_t maxlen, const char *__re
*/
void BLI_join_dirfile(char *__restrict dst, const size_t maxlen, const char *__restrict dir, const char *__restrict file)
{
#ifdef DEBUG_STRSIZE
memset(dst, 0xff, sizeof(*dst) * maxlen);
#endif
size_t dirlen = BLI_strnlen(dir, maxlen);
/* args can't match */
@ -1603,6 +1630,9 @@ void BLI_join_dirfile(char *__restrict dst, const size_t maxlen, const char *__r
*/
size_t BLI_path_join(char *__restrict dst, const size_t dst_len, const char *path, ...)
{
#ifdef DEBUG_STRSIZE
memset(dst, 0xff, sizeof(*dst) * dst_len);
#endif
if (UNLIKELY(dst_len == 0)) {
return 0;
}