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fixed string cutting in draw.c

This commit is contained in:
Anselm R.Garbe 2006-08-14 08:52:15 +02:00
parent 95766d6241
commit 4d67199a4b
1 changed files with 10 additions and 2 deletions
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12
draw.c
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@ -26,7 +26,7 @@ drawtext(const char *text, Bool invert)
{ {
int x, y, w, h; int x, y, w, h;
static char buf[256]; static char buf[256];
unsigned int len; unsigned int len, olen;
XGCValues gcv; XGCValues gcv;
XPoint points[5]; XPoint points[5];
XRectangle r = { dc.x, dc.y, dc.w, dc.h }; XRectangle r = { dc.x, dc.y, dc.w, dc.h };
@ -51,7 +51,7 @@ drawtext(const char *text, Bool invert)
return; return;
w = 0; w = 0;
len = strlen(text); olen = len = strlen(text);
if(len >= sizeof(buf)) if(len >= sizeof(buf))
len = sizeof(buf) - 1; len = sizeof(buf) - 1;
memcpy(buf, text, len); memcpy(buf, text, len);
@ -64,6 +64,14 @@ drawtext(const char *text, Bool invert)
/* shorten text if necessary */ /* shorten text if necessary */
while(len && (w = textnw(buf, len)) > dc.w - h) while(len && (w = textnw(buf, len)) > dc.w - h)
buf[--len] = 0; buf[--len] = 0;
if(len < olen) {
if(len > 3)
memcpy(buf + len - 4, "...\0", 4);
else if(len > 2)
memcpy(buf + len - 3, "..\0", 3);
else if(len > 1)
memcpy(buf + len - 2, ".\0", 2);
}
if(w > dc.w) if(w > dc.w)
return; /* too long */ return; /* too long */