diff options
Diffstat (limited to 'src/ops.c')
| -rw-r--r-- | src/ops.c | 108 |
1 files changed, 41 insertions, 67 deletions
@@ -383,9 +383,7 @@ static void shift_block(oparg_T *oap, int amount) /* if we're splitting a TAB, allow for it */ bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0); len = (int)STRLEN(bd.textstart) + 1; - newp = alloc_check((unsigned)(bd.textcol + i + j + len)); - if (newp == NULL) - return; + newp = (char_u *) xmalloc((size_t)(bd.textcol + i + j + len)); memset(newp, NUL, (size_t)(bd.textcol + i + j + len)); memmove(newp, oldp, (size_t)bd.textcol); copy_chars(newp + bd.textcol, (size_t)i, TAB); @@ -469,9 +467,7 @@ static void shift_block(oparg_T *oap, int amount) + fill + (unsigned)STRLEN(non_white) + 1; - newp = alloc_check(new_line_len); - if (newp == NULL) - return; + newp = (char_u *) xmalloc((size_t)(new_line_len)); memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp)); copy_spaces(newp + (verbatim_copy_end - oldp), (size_t)fill); STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white); @@ -531,9 +527,7 @@ static void block_insert(oparg_T *oap, char_u *s, int b_insert, struct block_def } } - newp = alloc_check((unsigned)(STRLEN(oldp)) + s_len + count + 1); - if (newp == NULL) - continue; + newp = (char_u *) xmalloc((size_t)(STRLEN(oldp) + s_len + count + 1)); /* copy up to shifted part */ memmove(newp, oldp, (size_t)(offset)); @@ -1496,9 +1490,7 @@ int op_delete(oparg_T *oap) */ n = bd.textlen - bd.startspaces - bd.endspaces; oldp = ml_get(lnum); - newp = alloc_check((unsigned)STRLEN(oldp) + 1 - n); - if (newp == NULL) - continue; + newp = (char_u *) xmalloc((size_t)(STRLEN(oldp) + 1 - n)); /* copy up to deleted part */ memmove(newp, oldp, (size_t)bd.textcol); /* insert spaces */ @@ -1778,9 +1770,7 @@ int op_replace(oparg_T *oap, int c) oldp = ml_get_curline(); oldlen = STRLEN(oldp); - newp = alloc_check((unsigned)oldlen + 1 + n); - if (newp == NULL) - continue; + newp = (char_u *) xmalloc((size_t)(oldlen + 1 + n)); memset(newp, NUL, (size_t)(oldlen + 1 + n)); /* copy up to deleted part */ memmove(newp, oldp, (size_t)bd.textcol); @@ -1804,10 +1794,8 @@ int op_replace(oparg_T *oap, int c) } } else { /* Replacing with \r or \n means splitting the line. */ - after_p = alloc_check( - (unsigned)(oldlen + 1 + n - STRLEN(newp))); - if (after_p != NULL) - STRMOVE(after_p, oldp); + after_p = (char_u *) xmalloc((size_t)(oldlen + 1 + n - STRLEN(newp))); + STRMOVE(after_p, oldp); } /* replace the line */ ml_replace(curwin->w_cursor.lnum, newp, FALSE); @@ -2279,43 +2267,37 @@ int op_change(oparg_T *oap) if (ins_len > 0) { /* Subsequent calls to ml_get() flush the firstline data - take a * copy of the inserted text. */ - if ((ins_text = alloc_check((unsigned)(ins_len + 1))) != NULL) { - vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); - for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; - linenr++) { - block_prep(oap, &bd, linenr, TRUE); - if (!bd.is_short || virtual_op) { - pos_T vpos; - - /* If the block starts in virtual space, count the - * initial coladd offset as part of "startspaces" */ - if (bd.is_short) { - vpos.lnum = linenr; - (void)getvpos(&vpos, oap->start_vcol); - } else - vpos.coladd = 0; - oldp = ml_get(linenr); - newp = alloc_check((unsigned)(STRLEN(oldp) - + vpos.coladd - + ins_len + 1)); - if (newp == NULL) - continue; - /* copy up to block start */ - memmove(newp, oldp, (size_t)bd.textcol); - offset = bd.textcol; - copy_spaces(newp + offset, (size_t)vpos.coladd); - offset += vpos.coladd; - memmove(newp + offset, ins_text, (size_t)ins_len); - offset += ins_len; - oldp += bd.textcol; - STRMOVE(newp + offset, oldp); - ml_replace(linenr, newp, FALSE); - } + ins_text = (char_u *) xmalloc((size_t)(ins_len + 1)); + vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); + for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; + linenr++) { + block_prep(oap, &bd, linenr, TRUE); + if (!bd.is_short || virtual_op) { + pos_T vpos; + + /* If the block starts in virtual space, count the + * initial coladd offset as part of "startspaces" */ + if (bd.is_short) { + vpos.lnum = linenr; + (void)getvpos(&vpos, oap->start_vcol); + } else + vpos.coladd = 0; + oldp = ml_get(linenr); + newp = (char_u *) xmalloc((size_t)(STRLEN(oldp) + vpos.coladd + ins_len + 1)); + /* copy up to block start */ + memmove(newp, oldp, (size_t)bd.textcol); + offset = bd.textcol; + copy_spaces(newp + offset, (size_t)vpos.coladd); + offset += vpos.coladd; + memmove(newp + offset, ins_text, (size_t)ins_len); + offset += ins_len; + oldp += bd.textcol; + STRMOVE(newp + offset, oldp); + ml_replace(linenr, newp, FALSE); } - check_cursor(); - - changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); } + check_cursor(); + changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); vim_free(ins_text); } } @@ -2920,9 +2902,7 @@ do_put ( /* insert the new text */ totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; - newp = alloc_check((unsigned)totlen + oldlen + 1); - if (newp == NULL) - break; + newp = (char_u *) xmalloc((size_t)(totlen + oldlen + 1)); /* copy part up to cursor to new line */ ptr = newp; memmove(ptr, oldp, (size_t)bd.textcol); @@ -3018,9 +2998,7 @@ do_put ( totlen = count * yanklen; if (totlen > 0) { oldp = ml_get(lnum); - newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1)); - if (newp == NULL) - goto end; /* alloc() gave an error message */ + newp = (char_u *) xmalloc((size_t)(STRLEN(oldp) + totlen + 1)); memmove(newp, oldp, (size_t)col); ptr = newp + col; for (i = 0; i < count; ++i) { @@ -3063,9 +3041,7 @@ do_put ( lnum = new_cursor.lnum; ptr = ml_get(lnum) + col; totlen = (int)STRLEN(y_array[y_size - 1]); - newp = alloc_check((unsigned)(STRLEN(ptr) + totlen + 1)); - if (newp == NULL) - goto error; + newp = (char_u *) xmalloc((size_t)(STRLEN(ptr) + totlen + 1)); STRCPY(newp, y_array[y_size - 1]); STRCAT(newp, ptr); /* insert second line */ @@ -3073,9 +3049,7 @@ do_put ( vim_free(newp); oldp = ml_get(lnum); - newp = alloc_check((unsigned)(col + yanklen + 1)); - if (newp == NULL) - goto error; + newp = (char_u *) xmalloc((size_t)(col + yanklen + 1)); /* copy first part of line */ memmove(newp, oldp, (size_t)col); /* append to first line */ @@ -3569,7 +3543,7 @@ int do_join(long count, int insert_space, int save_undo, int use_formatoptions) col = sumsize - currsize - spaces[count - 1]; /* allocate the space for the new line */ - newp = alloc_check((unsigned)(sumsize + 1)); + newp = (char_u *) xmalloc((size_t)(sumsize + 1)); cend = newp + sumsize; *cend = 0; |