diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2012-11-09 07:36:38 +0400 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2012-11-09 07:36:38 +0400 |
| commit | cf08068e10040a3f4d5548bfcb4e4940d2f75d8d (patch) | |
| tree | 5c1830313452117e6b2568c9c1d72a04b1c07f79 /source/blender/blenlib/intern/string_utf8.c | |
| parent | 41deb7b021126f0b9566ee1f87787ca73adc215d (diff) | |
fix [#33121] crashing when srolling down in text editor !
Diffstat (limited to 'source/blender/blenlib/intern/string_utf8.c')
| -rw-r--r-- | source/blender/blenlib/intern/string_utf8.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/source/blender/blenlib/intern/string_utf8.c b/source/blender/blenlib/intern/string_utf8.c index 0b737e0eff5..e80f96ee0fe 100644 --- a/source/blender/blenlib/intern/string_utf8.c +++ b/source/blender/blenlib/intern/string_utf8.c @@ -317,12 +317,12 @@ size_t BLI_strncpy_wchar_from_utf8(wchar_t *dst_w, const char *src_c, const size /* end wchar_t / utf8 functions */ /* --------------------------------------------------------------------------*/ -/* copied from glib's gutf8.c */ +/* copied from glib's gutf8.c, added 'Err' arg */ /* note, glib uses unsigned int for unicode, best we do the same, * though we don't typedef it - campbell */ -#define UTF8_COMPUTE(Char, Mask, Len) \ +#define UTF8_COMPUTE(Char, Mask, Len, Err) \ if (Char < 128) { \ Len = 1; \ Mask = 0x7f; \ @@ -348,7 +348,7 @@ size_t BLI_strncpy_wchar_from_utf8(wchar_t *dst_w, const char *src_c, const size Mask = 0x01; \ } \ else { \ - Len = -1; \ + Len = Err; /* -1 is the typical error value or 1 to skip */ \ } (void)0 /* same as glib define but added an 'Err' arg */ @@ -371,7 +371,20 @@ int BLI_str_utf8_size(const char *p) int mask = 0, len; unsigned char c = (unsigned char) *p; - UTF8_COMPUTE (c, mask, len); + UTF8_COMPUTE (c, mask, len, -1); + + (void)mask; /* quiet warning */ + + return len; +} + +/* use when we want to skip errors */ +int BLI_str_utf8_size_safe(const char *p) +{ + int mask = 0, len; + unsigned char c = (unsigned char) *p; + + UTF8_COMPUTE (c, mask, len, 1); (void)mask; /* quiet warning */ @@ -397,7 +410,7 @@ unsigned int BLI_str_utf8_as_unicode(const char *p) unsigned int result; unsigned char c = (unsigned char) *p; - UTF8_COMPUTE (c, mask, len); + UTF8_COMPUTE (c, mask, len, -1); if (len == -1) return BLI_UTF8_ERR; UTF8_GET (result, p, i, mask, len, BLI_UTF8_ERR); @@ -412,7 +425,7 @@ unsigned int BLI_str_utf8_as_unicode_and_size(const char *p, size_t *index) unsigned int result; unsigned char c = (unsigned char) *p; - UTF8_COMPUTE (c, mask, len); + UTF8_COMPUTE (c, mask, len, -1); if (len == -1) return BLI_UTF8_ERR; UTF8_GET (result, p, i, mask, len, BLI_UTF8_ERR); @@ -431,7 +444,7 @@ unsigned int BLI_str_utf8_as_unicode_step(const char *p, size_t *index) p += *index; c = (unsigned char) *p; - UTF8_COMPUTE (c, mask, len); + UTF8_COMPUTE (c, mask, len, -1); if (len == -1) { /* when called with NULL end, result will never be NULL, * checks for a NULL character */ |