blob: f3841edceb031185bf69d22f3361e7042c9660dd (
plain)
- #ifndef _CHUNK_H_
- #define _CHUNK_H_
- #include <string.h>
- #include <ctype.h>
- #include <stdlib.h>
- #include <assert.h>
- #include "buffer.h"
- typedef struct {
- const unsigned char *data;
- int len;
- int alloc;
- } chunk;
- static inline void chunk_free(chunk *c)
- {
- if (c->alloc)
- free((char *)c->data);
- c->data = NULL;
- c->alloc = 0;
- c->len = 0;
- }
- static inline void chunk_ltrim(chunk *c)
- {
- assert(!c->alloc);
- while (c->len && isspace(c->data[0])) {
- c->data++;
- c->len--;
- }
- }
- static inline void chunk_rtrim(chunk *c)
- {
- while (c->len > 0) {
- if (!isspace(c->data[c->len - 1]))
- break;
- c->len--;
- }
- }
- static inline void chunk_trim(chunk *c)
- {
- chunk_ltrim(c);
- chunk_rtrim(c);
- }
- static inline int chunk_strchr(chunk *ch, int c, int offset)
- {
- const unsigned char *p = memchr(ch->data + offset, c, ch->len - offset);
- return p ? (int)(p - ch->data) : ch->len;
- }
- static inline unsigned char *chunk_to_cstr(chunk *c)
- {
- unsigned char *str;
- str = malloc(c->len + 1);
- memcpy(str, c->data, c->len);
- str[c->len] = 0;
- return str;
- }
- static inline chunk chunk_literal(const char *data)
- {
- chunk c = {(const unsigned char *)data, data ? strlen(data) : 0, 0};
- return c;
- }
- static inline chunk chunk_dup(const chunk *ch, int pos, int len)
- {
- chunk c = {ch->data + pos, len, 0};
- return c;
- }
- static inline chunk chunk_buf_detach(gh_buf *buf)
- {
- chunk c;
- c.len = buf->size;
- c.data = gh_buf_detach(buf);
- c.alloc = 1;
- return c;
- }
- #endif
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