2021-06-17 21:32:24 +00:00
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#pragma once
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <dlfcn.h>
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#include "log.h"
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// Check Memory Allocation
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#define ALLOC_CHECK(obj) \
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{ \
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if (obj == NULL) { \
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ERR("(%s:%i) Memory Allocation Failed", __FILE__, __LINE__); \
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} \
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}
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// Hook Library Function
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#define HOOK(name, return_type, args) \
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typedef return_type (*name##_t)args; \
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static name##_t real_##name = NULL; \
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\
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__attribute__((__unused__)) static void ensure_##name() { \
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if (!real_##name) { \
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dlerror(); \
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real_##name = (name##_t) dlsym(RTLD_NEXT, #name); \
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if (!real_##name) { \
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ERR("Error Resolving Symbol: "#name": %s", dlerror()); \
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} \
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} \
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2021-07-05 01:23:12 +00:00
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} \
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2021-06-17 21:32:24 +00:00
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\
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__attribute__((__used__)) return_type name args
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// Macro To Reset Environmental Variables To Pre-MCPI State
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#define RESET_ENVIRONMENTAL_VARIABLE(name) \
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{ \
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char *original_env_value = getenv("ORIGINAL_" name); \
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if (original_env_value != NULL) { \
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setenv(name, original_env_value, 1); \
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} else { \
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unsetenv(name); \
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} \
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}
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// Safe Version Of pipe()
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static inline void safe_pipe2(int pipefd[2], int flags) {
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if (pipe2(pipefd, flags) != 0) {
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ERR("Unable To Create Pipe: %s", strerror(errno));
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}
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}
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