dte test coverage

Directory: ./
File: src/util/string.h
Date: 2025-10-16 19:09:21
Exec Total Coverage
Lines: 27 27 100.0%
Functions: 8 8 100.0%
Branches: 5 6 83.3%
Line Branch Exec Source
1 #ifndef UTIL_STRING_H
2 #define UTIL_STRING_H
3
4 #include <stddef.h>
5 #include <string.h>
6 #include "bit.h"
7 #include "macros.h"
8 #include "str-util.h"
9 #include "string-view.h"
10 #include "unicode.h"
11 #include "xmalloc.h"
12
13 enum {
14 STRING_ALLOC_MULTIPLE = 16,
15 };
16
17 typedef struct {
18 char NONSTRING *buffer;
19 size_t alloc;
20 size_t len;
21 } String;
22
23 #define STRING_INIT { \
24 .buffer = NULL, \
25 .alloc = 0, \
26 .len = 0 \
27 }
28
29 #define string_append_literal(s, x) string_append_buf(s, x, STRLEN(x))
30
31 void string_append_buf(String *s, const char *ptr, size_t len) NONNULL_ARG(1) NONNULL_ARG_IF_NONZERO_LENGTH(2, 3);
32
33 33458 static inline String string_new(size_t size)
34 {
35 33458 size = next_multiple(size, STRING_ALLOC_MULTIPLE);
36 66916 return (String) {
37
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 33458 .buffer = size ? xmalloc(size) : NULL,
38 .alloc = size,
39 .len = 0
40 };
41 }
42
43 2 static inline String string_new_from_buf(const char *buf, size_t len)
44 {
45 2 size_t alloc = next_multiple(len, STRING_ALLOC_MULTIPLE);
46 4 return (String) {
47
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 2 .buffer = len ? memcpy(xmalloc(alloc), buf, len) : NULL,
48 .alloc = alloc,
49 .len = len,
50 };
51 }
52
53 1 static inline void string_append_string(String *s1, const String *s2)
54 {
55 1 string_append_buf(s1, s2->buffer, s2->len);
56 1 }
57
58 1049 static inline void string_append_cstring(String *s, const char *cstr)
59 {
60 1049 string_append_buf(s, cstr, strlen(cstr));
61 1049 }
62
63 9833 static inline void string_append_strview(String *s, StringView sv)
64 {
65 9833 string_append_buf(s, sv.data, sv.length);
66 9833 }
67
68 5 static inline void string_replace_byte(String *s, char byte, char rep)
69 {
70
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 5 if (s->len) {
71 4 strn_replace_byte(s->buffer, s->len, byte, rep);
72 }
73 5 }
74
75 2 static inline StringView strview_from_string(const String *s)
76 {
77 2 return string_view(s->buffer, s->len);
78 }
79
80 9278 static inline size_t string_clear(String *s)
81 {
82 9278 size_t oldlen = s->len;
83 9278 s->len = 0;
84 9278 return oldlen;
85 }
86
87 char *string_reserve_space(String *s, size_t more) NONNULL_ARGS_AND_RETURN;
88 void string_append_byte(String *s, unsigned char byte) NONNULL_ARGS;
89 size_t string_append_codepoint(String *s, CodePoint u) NONNULL_ARGS;
90 size_t string_insert_codepoint(String *s, size_t pos, CodePoint u) NONNULL_ARGS;
91 void string_insert_buf(String *s, size_t pos, const char *buf, size_t len) NONNULL_ARG(1) NONNULL_ARG_IF_NONZERO_LENGTH(3, 4);
92 void string_append_memset(String *s, unsigned char byte, size_t len) NONNULL_ARGS;
93 void string_sprintf(String *s, const char *fmt, ...) PRINTF(2) NONNULL_ARGS;
94 char *string_steal_cstring(String *s) NONNULL_ARGS_AND_RETURN WARN_UNUSED_RESULT;
95 char *string_clone_cstring(const String *s) XSTRDUP WARN_UNUSED_RESULT;
96 const char *string_borrow_cstring(String *s) NONNULL_ARGS_AND_RETURN WARN_UNUSED_RESULT;
97 void string_remove(String *s, size_t pos, size_t len) NONNULL_ARGS;
98 void string_free(String *s) NONNULL_ARGS;
99
100 #endif
101