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added xcb_sumof() with restriction to uint8_t

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This commit is contained in:
Christoph Reimann 2010-07-13 19:56:44 +02:00
parent 3f79628bec
commit 8c2707773b
2 changed files with 11 additions and 0 deletions
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10
src/xcb_util.c
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@ -59,6 +59,16 @@ int xcb_popcount(uint32_t mask)
return ((y + (y >> 3)) & 030707070707) % 077;
}
int xcb_sumof(uint8_t *list, int len)
{
int i, s = 0;
for(i=0; i<len; i++) {
s += *list;
list++;
}
return s;
}
static int _xcb_parse_display(const char *name, char **host, char **protocol,
int *displayp, int *screenp)
{

1
src/xcbext.h
View file

@ -86,6 +86,7 @@ int xcb_poll_for_reply(xcb_connection_t *c, unsigned int request, void **reply,
/* xcb_util.c */
int xcb_popcount(uint32_t mask);
int xcb_sumof(uint8_t *list, int len);
#ifdef __cplusplus
}