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fixed a memory leak & segfault in tresize.

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Aurélien Aptel 2009-05-26 02:21:02 +02:00
parent 059d2ba264
commit 129bcd7586
1 changed files with 16 additions and 9 deletions
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25
st.c
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@ -573,7 +573,7 @@ void
tputc(char c) { tputc(char c) {
static int inesc = 0; static int inesc = 0;
dump(c); //dump(c);
/* start of escseq */ /* start of escseq */
if(c == '\033') if(c == '\033')
escreset(), inesc = 1; escreset(), inesc = 1;
@ -636,20 +636,24 @@ tresize(int col, int row) {
if(col < 1 || row < 1) if(col < 1 || row < 1)
return; return;
/* alloc */
line = calloc(row, sizeof(Line)); line = calloc(row, sizeof(Line));
for(i = 0 ; i < row; i++) for(i = 0 ; i < row; i++)
line[i] = calloc(col, sizeof(Glyph)); line[i] = calloc(col, sizeof(Glyph));
for(i = 0 ; i < minrow; i++) { /* copy */
memcpy(line[i], term.line[i], mincol * sizeof(Glyph)); for(i = 0 ; i < minrow; i++)
free(term.line[i]); memcpy(line[i], term.line[i], mincol * sizeof(Glyph));
} /* free */
for(i = 0; i < term.row; i++)
free(term.line[i]);
free(term.line); free(term.line);
LIMIT(term.c.x, 0, col-1); LIMIT(term.c.x, 0, col-1);
LIMIT(term.c.y, 0, row-1); LIMIT(term.c.y, 0, row-1);
LIMIT(term.top, 0, row-1); LIMIT(term.top, 0, row-1);
LIMIT(term.bot, 0, row-1); LIMIT(term.bot, 0, row-1);
// if(term.bot == term.row-1)
term.bot = row-1; term.bot = row-1;
term.line = line; term.line = line;
term.col = col, term.row = row; term.col = col, term.row = row;
} }
@ -775,7 +779,10 @@ xcursor(int mode) {
static int oldx = 0; static int oldx = 0;
static int oldy = 0; static int oldy = 0;
Glyph g = {' ', ATnone, DefaultBG, DefaultCS, 0}; Glyph g = {' ', ATnone, DefaultBG, DefaultCS, 0};
LIMIT(oldx, 0, term.col-1);
LIMIT(oldy, 0, term.row-1);
if(term.line[term.c.y][term.c.x].state & CRset) if(term.line[term.c.y][term.c.x].state & CRset)
g.c = term.line[term.c.y][term.c.x].c; g.c = term.line[term.c.y][term.c.x].c;
/* remove the old cursor */ /* remove the old cursor */
@ -859,7 +866,7 @@ resize(XEvent *e) {
col = e->xconfigure.width / xw.cw; col = e->xconfigure.width / xw.cw;
row = e->xconfigure.height / xw.ch; row = e->xconfigure.height / xw.ch;
if(term.col != col && term.row != row) { if(term.col != col || term.row != row) {
tresize(col, row); tresize(col, row);
ttyresize(col, row); ttyresize(col, row);
xw.w = e->xconfigure.width; xw.w = e->xconfigure.width;