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Correct tag non-returning functions

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The noreturn attribute can be used to allow the compiler to perform
better optimisations and/or warnings.
This commit is contained in:
Matt Clarkson
2015-05-21 17:48:00 +01:00
parent 5cf0b41576
commit faee7ad229
1 changed files with 10 additions and 2 deletions
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12
src/main.c
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@@ -35,6 +35,14 @@
#define IGNORE_UNUSED_RESULT(a) ((void)((a) && 1)) #define IGNORE_UNUSED_RESULT(a) ((void)((a) && 1))
#endif #endif
#if defined(__cplusplus) && (__cplusplus >= 201103L)
#define NO_RETURN [[noreturn]]
#elif defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
#define NO_RETURN _Noreturn
#else
#define NO_RETURN
#endif
#include <sys/stat.h> #include <sys/stat.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@@ -131,7 +139,7 @@ static struct mg_option main_config_options[] = {
static void WINCDECL signal_handler(int sig_num) { g_exit_flag = sig_num; } static void WINCDECL signal_handler(int sig_num) { g_exit_flag = sig_num; }
static void die(const char *fmt, ...) static NO_RETURN void die(const char *fmt, ...)
{ {
va_list ap; va_list ap;
char msg[200] = ""; char msg[200] = "";
@@ -163,7 +171,7 @@ static void show_server_name(void)
fprintf(stderr, "CivetWeb v%s, built on %s\n", mg_version(), __DATE__); fprintf(stderr, "CivetWeb v%s, built on %s\n", mg_version(), __DATE__);
} }
static void show_usage_and_exit(const char *exeName) static NO_RETURN void show_usage_and_exit(const char *exeName)
{ {
const struct mg_option *options; const struct mg_option *options;
int i; int i;