diff options
Diffstat (limited to 'buffer.h')
| -rw-r--r-- | buffer.h | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -5,15 +5,16 @@ #include <stdbool.h> #include "text.h" -typedef struct { /* a dynamically growing buffer storing arbitrary data */ +/* a dynamically growing buffer storing arbitrary data, used for registers/macros */ +typedef struct { char *data; /* NULL if empty */ size_t len; /* current length of data */ size_t size; /* maximal capacity of the buffer */ } Buffer; -/* initalize a (stack allocated) Buffer insteance */ +/* initalize a (stack allocated) Buffer instance */ void buffer_init(Buffer*); -/* relase/free all data stored in this buffer, reset size to zero */ +/* release/free all data stored in this buffer, reset size to zero */ void buffer_release(Buffer*); /* reserve space to store at least size bytes in this buffer.*/ bool buffer_grow(Buffer*, size_t size); @@ -31,8 +32,9 @@ bool buffer_insert0(Buffer*, size_t pos, const char *data); bool buffer_append(Buffer*, const void *data, size_t len); /* append NUl-terminated data */ bool buffer_append0(Buffer*, const char *data); - +/* insert new data at the start of the buffer */ bool buffer_prepend(Buffer*, const void *data, size_t len); +/* prepend NUL-terminated data */ bool buffer_prepend0(Buffer*, const char *data); #endif |