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#define _GNU_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;
}
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