feat: Adding malloc wrapper for memory safety.
This commit is contained in:
44
src/list.c
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44
src/list.c
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@@ -0,0 +1,44 @@
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#include "list.h"
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#include <stdlib.h>
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void set_ll_append(struct SETBlockMeta *head, struct SETBlockMeta *next)
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{
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while (head->next)
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head = head->next;
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head->next = next;
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next->prev = head;
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}
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void set_ll_free_all(struct SETBlockMeta *head)
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{
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while (head)
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{
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void *block_start = head;
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head = head->next;
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free(block_start);
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}
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}
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struct SETBlockMeta *set_ll_free_one(struct SETBlockMeta *head, void *address)
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{
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struct SETBlockMeta *meta = address - (sizeof(struct SETBlockMeta));
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if (meta == head)
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{
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struct SETBlockMeta *ret = meta->next;
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ret->prev = NULL;
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ret->end = meta->end;
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free(meta);
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return ret;
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}
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meta->prev->next = meta->next;
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if (meta->next)
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meta->next->prev = meta->prev;
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free(meta);
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return head;
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}
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175
src/set.c
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175
src/set.c
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@@ -0,0 +1,175 @@
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#include "set.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "set_asserts.h"
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#ifdef COLORIZED
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#define ANSI_COLOR_RED "\x1b[31m"
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#define ANSI_COLOR_GREEN "\x1b[32m"
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#define ANSI_COLOR_YELLOW "\x1b[33m"
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#define ANSI_COLOR_BLUE "\x1b[34m"
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#define ANSI_COLOR_MAGENTA "\x1b[35m"
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#define ANSI_COLOR_CYAN "\x1b[36m"
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#define ANSI_COLOR_RESET "\x1b[0m"
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#else
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#define ANSI_COLOR_RED
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#define ANSI_COLOR_GREEN
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#define ANSI_COLOR_YELLOW
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#define ANSI_COLOR_BLUE
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#define ANSI_COLOR_MAGENTA
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#define ANSI_COLOR_CYAN
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#define ANSI_COLOR_RESET
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#endif
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// clang-format off
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#define BANNER \
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"" \
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" _____ _ _ _____ _ " \
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"_____ _ \n" \
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" / ___| | | | | ___| | | |_ " \
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"_| | | \n" \
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" \\ `--. _ __ ___ __ _| | | | |__ _ __ ___ _ _ __ _| |__ | " \
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"| ___ ___| |_ ___ _ __ \n" \
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" `--. | '_ ` _ \\ / _` | | | | __| '_ \\ / _ \\| | | |/ _` | '_ \\ " \
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" | |/ _ / __| __/ _ | '__|\n" \
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" /\\__/ | | | | | | (_| | | | | |__| | | | (_) | |_| | (_| | | | | | " \
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"| __\\__ | || __| | \n" \
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" \\____/|_| |_| |_|\\__,_|_|_| \\____|_| |_|\\___/ \\__,_|\\__, |_| " \
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"|_| \\_/\\___|___/\\__\\___|_| \n" \
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" __/ | " \
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" \n" \
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" |___/ " \
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" \n" \
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""
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//clang-format on
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static void log_test_summary(struct SETest *test)
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{
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if (test->passed)
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{
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printf("Test: %s" ANSI_COLOR_GREEN " - passed." ANSI_COLOR_RESET"\n",
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test->name);
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}
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else
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{
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printf("Test: %s" ANSI_COLOR_RED " - failed.\n" ANSI_COLOR_RESET
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" Reason: \n %s\n\n",
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test->name, test->error_msg);
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}
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}
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static void log_abnormal_termination(int status)
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{
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fprintf(stderr,
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ANSI_COLOR_RED "A test terminated with signal: %d" ANSI_COLOR_RESET,
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WTERMSIG(status));
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}
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static void dispatch_single_test(struct SETest *test)
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{
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pid_t testPID = fork();
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if (testPID == 0)
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{
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test->function(test);
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log_test_summary(test);
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// set_free_all();
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exit(0);
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}
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}
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static void dispatch_tests(struct SETSuit *suit)
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{
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printf("\n\n==== Running suit: %s (%d) ====\n\n", suit->name, suit->len);
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if (suit->setup != NULL && !suit->setup())
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{
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fprintf(stderr, "Suit not executed: Setup failed.\n");
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}
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struct SETest *test = suit->tests;
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for (int i = 0; i < suit->len; i++)
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{
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dispatch_single_test(&test[i]);
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}
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int status = 0;
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// Wait for all tests.
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while (wait(&status) > 0)
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{
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if (WTERMSIG(status) != 0)
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log_abnormal_termination(status);
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};
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if (shmdt(suit->tests) < 0)
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{
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fprintf(stderr, "%s\n", "Couldn't detach suit space after dispatch.");
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perror("shmat");
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exit(1);
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}
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if (shmctl(suit->shm_key, IPC_RMID, 0) == -1)
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{
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fprintf(stderr, "%s\n", "Couldn't remove suit space after dispatch.");
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perror("shctl");
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exit(1);
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}
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if (suit->tear_down != NULL && !suit->tear_down())
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{
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fprintf(stderr, "Teardown failed.\n");
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}
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}
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static void dispatch_test_suits(struct SETSuit **suits, int counter)
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{
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for (int i = 0; i < counter; i++)
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{
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dispatch_tests(suits[i]);
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munmap((void*)suits[i], sizeof(struct SETSuit));
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}
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}
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int main(int argc, char **argv)
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{
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#ifndef NO_BANNER
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printf("\n\n%s", BANNER);
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#endif /* ifndef NO_BANNER */
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if (!set_up())
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{
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fprintf(stderr, "%s\n", "Setup call returned with error. Aborting execution.");
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return 1;
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}
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int counter = 0;
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set_bundle_suits(NULL, &counter, true);
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struct SETSuit *suits[counter];
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counter = 0;
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set_bundle_suits(suits, &counter, false);
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dispatch_test_suits(suits, counter);
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if (!tear_down())
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{
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fprintf(stderr, "%s\n", "Teardown returned with error.");
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return 1;
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}
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return 0;
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}
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77
src/utils.c
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77
src/utils.c
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@@ -0,0 +1,77 @@
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#include "utils.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/shm.h>
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#include "list.h"
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#include <unistd.h>
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struct SETBlockMeta *block_meta_head = NULL;
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char *format_string(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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size_t size = vsnprintf(NULL, 0, fmt, args);
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char *out = (char *)malloc(size + 1);
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if (!out)
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{
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fprintf(stderr, "%s", "Failed to allocate for format string.\n");
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}
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va_end(args);
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va_start(args, fmt);
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vsnprintf(out, size + 1, fmt, args);
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va_end(args);
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return out;
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}
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int create_shared_suit_space(size_t size)
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{
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int suit_space_id = shmget(IPC_PRIVATE, size, IPC_CREAT | 0600);
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if (suit_space_id == -1)
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{
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fprintf(stdout, "Couldn't create suite space of size: %lu\n", size);
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perror("shmget");
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exit(1);
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}
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return suit_space_id;
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}
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void *set_malloc(size_t n)
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{
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void *blocks = malloc(n + sizeof(struct SETBlockMeta));
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struct SETBlockMeta *meta = blocks;
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meta->next = NULL;
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if (block_meta_head == NULL)
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{
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meta->end = meta;
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}
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else
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{
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meta->end = NULL;
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set_ll_append(block_meta_head->end, meta);
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block_meta_head->end = meta;
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}
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return blocks + sizeof(struct SETBlockMeta);
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}
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void set_free(void *address)
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{
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block_meta_head = set_ll_free_one(block_meta_head, address);
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}
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void set_free_all()
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{
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set_ll_free_all(block_meta_head);
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block_meta_head = NULL;
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}
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