diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/buffer.c | 2 | ||||
-rw-r--r-- | common/buffer.h | 97 |
2 files changed, 98 insertions, 1 deletions
diff --git a/common/buffer.c b/common/buffer.c index 07fa059..ea8f5a7 100644 --- a/common/buffer.c +++ b/common/buffer.c @@ -1,6 +1,6 @@ #include "usuals.h" -#include "httpauthd.h" +#include "buffer.h" #include "stringx.h" #include <syslog.h> diff --git a/common/buffer.h b/common/buffer.h new file mode 100644 index 0000000..e9a6b8a --- /dev/null +++ b/common/buffer.h @@ -0,0 +1,97 @@ + +#ifndef _BUFFER_H_ +#define _BUFFER_H_ + +/* ----------------------------------------------------------------------- + * Memory Buffers + */ + +struct ha_buffer_internal; + +/* A buffer which owns memory */ +typedef struct ha_buffer +{ + struct ha_buffer_internal* _ft; + struct ha_buffer_internal* _dt; + char* _pp; + char* _rp; +} +ha_buffer_t; + +/* Initializes a buffer */ +void ha_bufinit(ha_buffer_t* buf); + +/* Frees all memory associated with a buffer */ +void ha_buffree(ha_buffer_t* buf); + +/* Resets a buffer for later reuse */ +void ha_bufreset(ha_buffer_t* buf); + +#define ha_buflen(buf) \ + ((buf)->_rp - (buf)->_pp) + +#define ha_bufchar(buf) \ + ((!ha_buferr(buf) && ha_buflen(buf) > 0) ? *((buf)->_pp) : '\0' ) + +#define ha_bufdata(buf) \ + ((buf)->_pp) + +#define ha_buferr(buf) \ + ((buf)->_dt == NULL) + +/* Buffer input functions ------------------------------------------------ */ + +/* Read a line from an input handle */ +int ha_bufreadline(int fd, ha_buffer_t* buf); + +/* Parse the current line */ +char* ha_bufparseline(ha_buffer_t* buf, int trim); + +/* Parse a word from the current block */ +char* ha_bufparseword(ha_buffer_t* buf, const char* delims); + +#define ha_bufskip(buf) \ + ((buf)->_pp = (buf)->_rp) + +#define ha_bufeat(buf) \ + ((!ha_buferr(buf) && ha_buflen(buf) > 0) ? ++((buf)->_pp) : (buf)->_pp) + +/* Buffer output functions ----------------------------------------------- */ + +/* Adds multiple strings together */ +char* ha_bufmcat(ha_buffer_t* buf, ...); + +/* Copies a string to the buffer */ +char* ha_bufcpy(ha_buffer_t* buf, const char* src); + +/* Copies a portion of a string to the buffer */ +char* ha_bufncpy(ha_buffer_t* buf, const char* src, size_t len); + +/* Opens up the end of the current block so it can be joined by more data */ +#define ha_bufjoin(buf) \ + ((buf)->_rp && ((buf)->_rp != (buf)->_pp) ? (buf)->_rp-- : (buf)->_rp) + +#define ha_bufcat ha_bufcpy + +/* Buffer allocation functions ------------------------------------------- */ + +/* Memory allocation */ +void* ha_bufmalloc(ha_buffer_t* buf, size_t bytes); + +void* ha_bufmemdup(ha_buffer_t* buf, const void* src, size_t bytes); + +/* Buffer Encoding Functions --------------------------------------------- */ + +/* Encode an array of bytes in base 64 */ +char* ha_bufenc64(ha_buffer_t* buf, const void* src, size_t bytes); + +/* Decode an array of bytes from base 64 */ +void* ha_bufdec64(ha_buffer_t* buf, const char* src, size_t* bytes); + +/* Encode an array of bytes in hex */ +char* ha_bufenchex(ha_buffer_t* buf, const void* src, size_t bytes); + +/* Decode an array of bytes in hex */ +void* ha_bufdechex(ha_buffer_t* buf, const char* src, size_t* bytes); + +#endif /* _BUFFER_H_ */ |