diff options
| -rw-r--r-- | subhook.c | 16 | ||||
| -rw-r--r-- | subhook_private.h | 7 | ||||
| -rw-r--r-- | subhook_x86.c | 13 |
3 files changed, 18 insertions, 18 deletions
@@ -27,29 +27,29 @@ #include "subhook_private.h" SUBHOOK_EXPORT void *SUBHOOK_API subhook_get_src(subhook_t hook) { - if (!hook) { - return 0; + if (hook == NULL) { + return NULL; } return hook->src; } SUBHOOK_EXPORT void *SUBHOOK_API subhook_get_dst(subhook_t hook) { - if (!hook) { - return 0; + if (hook == NULL) { + return NULL; } return hook->dst; } SUBHOOK_EXPORT void *SUBHOOK_API subhook_get_trampoline(subhook_t hook) { - if (!hook) { - return 0; + if (hook == NULL) { + return NULL; } return hook->trampoline; } SUBHOOK_EXPORT int SUBHOOK_API subhook_is_installed(subhook_t hook) { - if (!hook) { - return 0; + if (hook == NULL) { + return false; } return hook->installed; } diff --git a/subhook_private.h b/subhook_private.h index 3f80b73..0458969 100644 --- a/subhook_private.h +++ b/subhook_private.h @@ -28,6 +28,13 @@ #include <stddef.h> +#ifndef true + #define true 1 +#endif +#ifndef false + #define false 0 +#endif + struct subhook_struct { int installed; void *src; diff --git a/subhook_x86.c b/subhook_x86.c index 1d87b47..688fb88 100644 --- a/subhook_x86.c +++ b/subhook_x86.c @@ -50,13 +50,6 @@ #include <stdint.h> #endif -#ifndef true - #define true 1 -#endif -#ifndef false - #define false 0 -#endif - #define MAX_INSN_LEN 15 /* maximum length of x86 instruction */ #define JMP_OPCODE 0xE9 @@ -444,7 +437,7 @@ SUBHOOK_EXPORT subhook_t SUBHOOK_API subhook_new(void *src, } SUBHOOK_EXPORT void SUBHOOK_API subhook_free(subhook_t hook) { - if (!hook) { + if (hook == NULL) { return; } free(hook->trampoline); @@ -455,7 +448,7 @@ SUBHOOK_EXPORT void SUBHOOK_API subhook_free(subhook_t hook) { SUBHOOK_EXPORT int SUBHOOK_API subhook_install(subhook_t hook) { int error; - if (!hook) { + if (hook == NULL) { return -EINVAL; } if (hook->installed) { @@ -472,7 +465,7 @@ SUBHOOK_EXPORT int SUBHOOK_API subhook_install(subhook_t hook) { } SUBHOOK_EXPORT int SUBHOOK_API subhook_remove(subhook_t hook) { - if (!hook) { + if (hook == NULL) { return -EINVAL; } if (!hook->installed) { |