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make pa_make_power_of_two() and pa_is_power_of_two() inline functions

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1698 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-08-22 17:05:41 +00:00
parent 190648a3ed
commit 0449966852
2 changed files with 17 additions and 20 deletions
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18
src/pulsecore/core-util.c
View file

@ -1208,21 +1208,3 @@ char *pa_truncate_utf8(char *c, size_t l) {
return c; return c;
} }
int pa_is_power_of_two(unsigned n) {
return !(n & (n - 1));
}
unsigned pa_make_power_of_two(unsigned n) {
unsigned j = n;
if (pa_is_power_of_two(n))
return n;
while (j) {
j = j >> 1;
n = n | j;
}
return n + 1;
}

19
src/pulsecore/core-util.h
View file

@ -97,7 +97,22 @@ int pa_snprintf(char *str, size_t size, const char *format, ...);
char *pa_truncate_utf8(char *c, size_t l); char *pa_truncate_utf8(char *c, size_t l);
int pa_is_power_of_two(unsigned n); static inline int pa_is_power_of_two(unsigned n) {
unsigned pa_make_power_of_two(unsigned n); return !(n & (n - 1));
}
static inline unsigned pa_make_power_of_two(unsigned n) {
unsigned j = n;
if (pa_is_power_of_two(n))
return n;
while (j) {
j = j >> 1;
n = n | j;
}
return n + 1;
}
#endif #endif