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Fix an off-by-one error

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mmdolze
2009-02-25 21:31:47 +00:00
parent 5b6d9f3915
commit 133a48cf34
1 changed files with 2 additions and 1 deletions
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server/drivers/picolcd.c
+2 -1
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@@ -441,6 +441,8 @@ MODULE_EXPORT void picoLCD_string(Driver *drvthis, int x, int y, unsigned char s
if (x < 1 || x > p->width) if (x < 1 || x > p->width)
return; return;
x--; y--; /* Convert 1-based to 0-based */
len = strlen((char *)string); len = strlen((char *)string);
if (len + x > p->width) { if (len + x > p->width) {
debug(RPT_DEBUG, "%s: string overlength (>%d). Start: %d Length: %d (%s)", debug(RPT_DEBUG, "%s: string overlength (>%d). Start: %d Length: %d (%s)",
@@ -449,7 +451,6 @@ MODULE_EXPORT void picoLCD_string(Driver *drvthis, int x, int y, unsigned char s
len = p->width - x; /* Copy what we can */ len = p->width - x; /* Copy what we can */
} }
x--; y--; /* Convert 1-based to 0-based */
dest = p->framebuf + (y * p->width + x); dest = p->framebuf + (y * p->width + x);
memcpy(dest, string, len * sizeof(unsigned char)); memcpy(dest, string, len * sizeof(unsigned char));