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Merge branch 'textedit-allow-to-replace-memmove' of https://github.com/mmozeiko/stb into work2

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This commit is contained in:
Sean Barrett 2015-04-15 02:49:58 -07:00
commit d5251d527b
1 changed files with 8 additions and 5 deletions
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13
stb_textedit.h
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@ -358,7 +358,10 @@ typedef struct
// included just the "header" portion
#ifdef STB_TEXTEDIT_IMPLEMENTATION
#include <string.h> // memmove
#ifndef STBTE_memmove
#include <string.h>
#define STBTE_memmove memmove
#endif
/////////////////////////////////////////////////////////////////////////////
@ -1038,13 +1041,13 @@ static void stb_textedit_discard_undo(StbUndoState *state)
int n = state->undo_rec[0].insert_length, i;
// delete n characters from all other records
state->undo_char_point = state->undo_char_point - (short) n; // vsnet05
memmove(state->undo_char, state->undo_char + n, (size_t) (state->undo_char_point*sizeof(STB_TEXTEDIT_CHARTYPE)));
STBTE_memmove(state->undo_char, state->undo_char + n, (size_t) (state->undo_char_point*sizeof(STB_TEXTEDIT_CHARTYPE)));
for (i=0; i < state->undo_point; ++i)
if (state->undo_rec[i].char_storage >= 0)
state->undo_rec[i].char_storage = state->undo_rec[i].char_storage - (short) n; // vsnet05 // @OPTIMIZE: get rid of char_storage and infer it
}
--state->undo_point;
memmove(state->undo_rec, state->undo_rec+1, (size_t) (state->undo_point*sizeof(state->undo_rec[0])));
STBTE_memmove(state->undo_rec, state->undo_rec+1, (size_t) (state->undo_point*sizeof(state->undo_rec[0])));
}
}
@ -1062,13 +1065,13 @@ static void stb_textedit_discard_redo(StbUndoState *state)
int n = state->undo_rec[k].insert_length, i;
// delete n characters from all other records
state->redo_char_point = state->redo_char_point + (short) n; // vsnet05
memmove(state->undo_char + state->redo_char_point, state->undo_char + state->redo_char_point-n, (size_t) ((STB_TEXTEDIT_UNDOSTATECOUNT - state->redo_char_point)*sizeof(STB_TEXTEDIT_CHARTYPE)));
STBTE_memmove(state->undo_char + state->redo_char_point, state->undo_char + state->redo_char_point-n, (size_t) ((STB_TEXTEDIT_UNDOSTATECOUNT - state->redo_char_point)*sizeof(STB_TEXTEDIT_CHARTYPE)));
for (i=state->redo_point; i < k; ++i)
if (state->undo_rec[i].char_storage >= 0)
state->undo_rec[i].char_storage = state->undo_rec[i].char_storage + (short) n; // vsnet05
}
++state->redo_point;
memmove(state->undo_rec + state->redo_point-1, state->undo_rec + state->redo_point, (size_t) ((STB_TEXTEDIT_UNDOSTATECOUNT - state->redo_point)*sizeof(state->undo_rec[0])));
STBTE_memmove(state->undo_rec + state->redo_point-1, state->undo_rec + state->redo_point, (size_t) ((STB_TEXTEDIT_UNDOSTATECOUNT - state->redo_point)*sizeof(state->undo_rec[0])));
}
}