CRT: add debug printing function

This commit is contained in:
Christian Göttsche 2021-12-08 13:01:40 +01:00
parent 2ae1906479
commit 1da78b5818
2 changed files with 18 additions and 0 deletions

11
CRT.c
View File

@ -13,6 +13,7 @@ in the source distribution for its full text.
#include <fcntl.h> #include <fcntl.h>
#include <langinfo.h> #include <langinfo.h>
#include <signal.h> #include <signal.h>
#include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -844,6 +845,16 @@ static void dumpStderr(void) {
stderrRedirectNewFd = -1; stderrRedirectNewFd = -1;
} }
void CRT_debug_impl(const char* file, size_t lineno, const char* func, const char* fmt, ...) {
va_list args;
fprintf(stderr, "[%s:%zu (%s)]: ", file, lineno, func);
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, "\n");
}
#else /* !NDEBUG */ #else /* !NDEBUG */
static void redirectStderr(void) { static void redirectStderr(void) {

7
CRT.h
View File

@ -150,6 +150,13 @@ typedef enum ColorElements_ {
void CRT_fatalError(const char* note) ATTR_NORETURN; void CRT_fatalError(const char* note) ATTR_NORETURN;
#ifdef NDEBUG
# define CRT_debug(...)
#else
void CRT_debug_impl(const char* file, size_t lineno, const char* func, const char* fmt, ...) ATTR_FORMAT(printf, 4, 5);
# define CRT_debug(...) CRT_debug_impl(__FILE__, __LINE__, __func__, __VA_ARGS__)
#endif
void CRT_handleSIGSEGV(int signal) ATTR_NORETURN; void CRT_handleSIGSEGV(int signal) ATTR_NORETURN;
#define KEY_WHEELUP KEY_F(30) #define KEY_WHEELUP KEY_F(30)