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Add stack_push_many method

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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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2
include/extra/memory.h
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@ -14,6 +14,7 @@ typedef struct libcdsb_stack_node {
extern void libcdsb_stack_init (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 (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_pop (stack_t* stack) Nonnull__(1);
extern void libcdsb_stack_flush (stack_t* stack) Nonnull__(1); extern void libcdsb_stack_flush (stack_t* stack) Nonnull__(1);
@ -32,6 +33,7 @@ extern void libcdsb_free(void* s);
#define stack_init libcdsb_stack_init #define stack_init libcdsb_stack_init
#define stack_push libcdsb_stack_push #define stack_push libcdsb_stack_push
#define stack_push_many libcdsb_stack_push_many
#define stack_pop libcdsb_stack_pop #define stack_pop libcdsb_stack_pop
#define stack_flush libcdsb_stack_flush #define stack_flush libcdsb_stack_flush

26
src/extra-stack.c
View File

@ -1,6 +1,7 @@
/* This software is licensed by the MIT License, see LICENSE file */ /* This software is licensed by the MIT License, see LICENSE file */
/* Copyright © 2022 Gregory Lirent */ /* Copyright © 2022 Gregory Lirent */
#include <stdarg.h>
#include <stdlib.h> #include <stdlib.h>
#include "__internal/include.h" #include "__internal/include.h"
#undef malloc #undef malloc
@ -26,6 +27,31 @@ void libcdsb_stack_push(stack_t* x, void* value) {
x->value = 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) { void* libcdsb_stack_pop(stack_t* x) {
stack_t* n; stack_t* n;