45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#define _GNU_SOURCE
|
|
#undef _FORTIFY_SOURCE
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <dlfcn.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
|
|
int vprintf(const char *format, va_list ap) {
|
|
if (strncmp(format, "profiling:", strlen("profiling:")) == 0)
|
|
return 0;
|
|
|
|
static int (*func_fprintf)(const char *format, va_list ap) = NULL;
|
|
if (func_fprintf == NULL)
|
|
func_fprintf = (int (*)(const char *format, va_list ap))dlsym(RTLD_NEXT, "vprintf");
|
|
|
|
return func_fprintf(format, ap);
|
|
}
|
|
int printf(const char *format, ...) {
|
|
va_list ap;
|
|
va_start(ap, format);
|
|
int res = vprintf(format, ap);
|
|
va_end(ap);
|
|
return res;
|
|
}
|
|
|
|
int vfprintf(FILE *stream, const char *format, va_list ap) {
|
|
if (strncmp(format, "profiling:", strlen("profiling:")) == 0)
|
|
return 0;
|
|
|
|
static int (*func_vfprintf)(FILE * stream, const char *format, va_list ap) = NULL;
|
|
if (func_vfprintf == NULL)
|
|
func_vfprintf = (int (*)(FILE * stream, const char *format, va_list ap))dlsym(RTLD_NEXT, "vfprintf");
|
|
|
|
return func_vfprintf(stream, format, ap);
|
|
}
|
|
|
|
int fprintf(FILE *stream, const char *format, ...) {
|
|
va_list ap;
|
|
va_start(ap, format);
|
|
int res = vfprintf(stream, format, ap);
|
|
va_end(ap);
|
|
return res;
|
|
}
|