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[script] Don't segfault when hashing empty strings.

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Check for the empty string.
This commit is contained in:
M Joonas Pihlaja 2008-12-08 09:23:37 +02:00 • committed by Chris Wilson
parent 4ba77f7765
commit 620028fd19
1 changed files with 7 additions and 4 deletions
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11
util/cairo-script/cairo-script-interpreter.c
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@ -221,12 +221,15 @@ static unsigned long
_intern_string_hash (const char *str, int len)
{
const signed char *p = (const signed char *) str;
unsigned int h = *p;
if (len > 0) {
unsigned int h = *p;
for (p += 1; --len; p++)
h = (h << 5) - h + *p;
while (--len)
h = (h << 5) - h + *++p;
return h;
return h;
}
return 0;
}
static cairo_bool_t