74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
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#ifndef SC_STRBUF_H
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#define SC_STRBUF_H
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#include "common.h"
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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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struct sc_strbuf {
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char *s;
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size_t len;
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size_t cap;
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};
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/**
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* Initialize the string buffer
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*
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* `buf->s` must be manually freed by the caller.
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*/
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bool
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sc_strbuf_init(struct sc_strbuf *buf, size_t init_cap);
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/**
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* Append a string
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*
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* Append `len` characters from `s` to the buffer.
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*/
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bool
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sc_strbuf_append(struct sc_strbuf *buf, const char *s, size_t len);
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/**
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* Append a char
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*
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* Append a single character to the buffer.
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*/
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bool
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sc_strbuf_append_char(struct sc_strbuf *buf, const char c);
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/**
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* Append a char `n` times
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*
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* Append the same characters `n` times to the buffer.
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*/
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bool
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sc_strbuf_append_n(struct sc_strbuf *buf, const char c, size_t n);
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/**
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* Append a NUL-terminated string
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*/
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static inline bool
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sc_strbuf_append_str(struct sc_strbuf *buf, const char *s) {
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return sc_strbuf_append(buf, s, strlen(s));
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}
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/**
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* Append a static string
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*
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* Append a string whose size is known at compile time (for
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* example a string literal).
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*/
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#define sc_strbuf_append_staticstr(BUF, S) \
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sc_strbuf_append(BUF, S, sizeof(S) - 1)
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/**
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* Shrink the buffer capacity to its current length
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*
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* This resizes `buf->s` to fit the content.
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*/
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void
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sc_strbuf_shrink(struct sc_strbuf *buf);
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#endif
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