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Add stack_push_many method

This commit is contained in:
Gregory Lirent 2022-08-18 00:08:10 +03:00
parent 862e85145c
commit 3cbf7a6fdf
2 changed files with 36 additions and 8 deletions
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18
include/extra/memory.h
View File

@ -12,10 +12,11 @@ typedef struct libcdsb_stack_node {
void* value;
} stack_t;
extern void libcdsb_stack_init (stack_t* stack) Nonnull__(1);
extern void libcdsb_stack_push (stack_t* stack, void* value) Nonnull__(1);
extern void* libcdsb_stack_pop (stack_t* stack) Nonnull__(1);
extern void libcdsb_stack_flush(stack_t* stack) Nonnull__(1);
extern void libcdsb_stack_init (stack_t* stack) Nonnull__(1);
extern void libcdsb_stack_push (stack_t* stack, void* value) Nonnull__(1);
extern void libcdsb_stack_push_many(stack_t* stack, size_t n, ...) Nonnull__(1);
extern void* libcdsb_stack_pop (stack_t* stack) Nonnull__(1);
extern void libcdsb_stack_flush (stack_t* stack) Nonnull__(1);
extern void* libcdsb_aalloc (size_t a, size_t n) Warn_unused_result__;
extern void* libcdsb_malloc (size_t n) Warn_unused_result__;
@ -30,9 +31,10 @@ extern void libcdsb_free(void* s);
#define realloc libcdsb_realloc
#define free libcdsb_free
#define stack_init libcdsb_stack_init
#define stack_push libcdsb_stack_push
#define stack_pop libcdsb_stack_pop
#define stack_flush libcdsb_stack_flush
#define stack_init libcdsb_stack_init
#define stack_push libcdsb_stack_push
#define stack_push_many libcdsb_stack_push_many
#define stack_pop libcdsb_stack_pop
#define stack_flush libcdsb_stack_flush
#endif /* LIBCDSB_EXTRA_MEMORY_H */

26
src/extra-stack.c
View File

@ -1,6 +1,7 @@
/* This software is licensed by the MIT License, see LICENSE file */
/* Copyright © 2022 Gregory Lirent */
#include <stdarg.h>
#include <stdlib.h>
#include "__internal/include.h"
#undef malloc
@ -26,6 +27,31 @@ void libcdsb_stack_push(stack_t* x, void* value) {
x->value = value;
}
void libcdsb_stack_push_many(stack_t* x, size_t c, ...) {
va_list args;
stack_t* n;
va_start(args, c);
if (c) {
if (!x->value) {
x->value = va_arg(args, void*);
--c;
}
while (c--) {
if (!(n = malloc(sizeof(*n))))
abort();
n->prev = x->prev;
n->value = x->value;
x->prev = n;
}
}
va_end(args);
}
void* libcdsb_stack_pop(stack_t* x) {
stack_t* n;