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Add utils for str8 printing

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Abdelrahman Said 2025-02-09 15:13:50 +00:00
parent bbf38499ca
commit d1d6a8e64b
1 changed files with 5 additions and 1 deletions
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6
src/core/strings/str8/str8.h
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@ -17,12 +17,16 @@ struct str8 {
typedef const Str8 Str8RO; typedef const Str8 Str8RO;
// Utilities to be used with printf functions
#define WAPP_STR8_SPEC "%.*s"
#define wapp_str8_varg(STRING) (int)STRING.size, STRING.buf
#define wapp_str8_buf(CAPACITY) ((Str8){.capacity = CAPACITY, .size = 0, .buf = (c8[CAPACITY]){0}}) #define wapp_str8_buf(CAPACITY) ((Str8){.capacity = CAPACITY, .size = 0, .buf = (c8[CAPACITY]){0}})
// Utilises the fact that memcpy returns pointer to dest buffer and that getting // Utilises the fact that memcpy returns pointer to dest buffer and that getting
// address of compound literals is valid in C to create a string on the stack // address of compound literals is valid in C to create a string on the stack
#define wapp_str8_lit(STRING) ((Str8){.capacity = (sizeof(STRING) - 1) * 2, \ #define wapp_str8_lit(STRING) ((Str8){.capacity = (sizeof(STRING) - 1) * 2, \
.size = sizeof(STRING) - 1, \ .size = sizeof(STRING) - 1, \
.buf = memcpy(&((c8 [sizeof(STRING) * 2]){0}), STRING, sizeof(STRING))}) .buf = memcpy(&((c8 [sizeof(STRING) * 2]){0}), STRING, sizeof(STRING))})
#define wapp_str8_lit_ro(STRING) ((Str8RO){.capacity = sizeof(STRING) - 1, \ #define wapp_str8_lit_ro(STRING) ((Str8RO){.capacity = sizeof(STRING) - 1, \
.size = sizeof(STRING) - 1, \ .size = sizeof(STRING) - 1, \