diff options
Diffstat (limited to 'src/nvim/rbuffer.h')
| -rw-r--r-- | src/nvim/rbuffer.h | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/src/nvim/rbuffer.h b/src/nvim/rbuffer.h index 35fb16508e..a8dfcac580 100644 --- a/src/nvim/rbuffer.h +++ b/src/nvim/rbuffer.h @@ -1,4 +1,4 @@ -// Ring buffer implementation. This is basically an array that wraps read/write +// Specialized ring buffer. This is basically an array that wraps read/write // pointers around the memory region. It should be more efficient than the old // RBuffer which required memmove() calls to relocate read/write positions. // @@ -36,30 +36,36 @@ // // Note that the rbuffer_{produced,consumed} calls are necessary or these macros // create infinite loops -#define RBUFFER_UNTIL_EMPTY(buf, rptr, rcnt) \ - for (size_t rcnt = 0, _r = 1; _r; _r = 0) \ - for (char *rptr = rbuffer_read_ptr(buf, &rcnt); \ - buf->size; \ - rptr = rbuffer_read_ptr(buf, &rcnt)) +#define RBUFFER_UNTIL_EMPTY(buf, rptr, rcnt) \ + for (size_t rcnt = 0, _r = 1; _r; _r = 0) /* NOLINT(readability/braces) */ \ + for ( /* NOLINT(readability/braces) */ \ + char *rptr = rbuffer_read_ptr(buf, &rcnt); \ + buf->size; \ + rptr = rbuffer_read_ptr(buf, &rcnt)) -#define RBUFFER_UNTIL_FULL(buf, wptr, wcnt) \ - for (size_t wcnt = 0, _r = 1; _r; _r = 0) \ - for (char *wptr = rbuffer_write_ptr(buf, &wcnt); \ - rbuffer_space(buf); \ - wptr = rbuffer_write_ptr(buf, &wcnt)) +#define RBUFFER_UNTIL_FULL(buf, wptr, wcnt) \ + for (size_t wcnt = 0, _r = 1; _r; _r = 0) /* NOLINT(readability/braces) */ \ + for ( /* NOLINT(readability/braces) */ \ + char *wptr = rbuffer_write_ptr(buf, &wcnt); \ + rbuffer_space(buf); \ + wptr = rbuffer_write_ptr(buf, &wcnt)) // Iteration -#define RBUFFER_EACH(buf, c, i) \ - for (size_t i = 0; i < buf->size; i = buf->size) \ - for (char c = 0; \ - i < buf->size ? ((int)(c = *rbuffer_get(buf, i))) || 1 : 0; \ +#define RBUFFER_EACH(buf, c, i) \ + for (size_t i = 0; /* NOLINT(readability/braces) */ \ + i < buf->size; \ + i = buf->size) \ + for (char c = 0; /* NOLINT(readability/braces) */ \ + i < buf->size ? ((int)(c = *rbuffer_get(buf, i))) || 1 : 0; \ i++) -#define RBUFFER_EACH_REVERSE(buf, c, i) \ - for (size_t i = buf->size; i != SIZE_MAX; i = SIZE_MAX) \ - for (char c = 0; \ - i-- > 0 ? ((int)(c = *rbuffer_get(buf, i))) || 1 : 0; \ +#define RBUFFER_EACH_REVERSE(buf, c, i) \ + for (size_t i = buf->size; /* NOLINT(readability/braces) */ \ + i != SIZE_MAX; \ + i = SIZE_MAX) \ + for (char c = 0; /* NOLINT(readability/braces) */ \ + i-- > 0 ? ((int)(c = *rbuffer_get(buf, i))) || 1 : 0; \ ) typedef struct rbuffer RBuffer; |