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Coverage: Do not print messages from gcov

We need to ignore messages from gcov. All those messages
start with profiling: and are printed using vfprintf(), so
the only thing we can do is add a library overriding those
functions and linking apt-pkg to it.
tags/devuan/2.0.1+devuan1
Julian Andres Klode 4 years ago
parent
commit
bccb344412
3 changed files with 57 additions and 0 deletions
  1. +4
    -0
      apt-pkg/CMakeLists.txt
  2. +3
    -0
      test/interactive-helper/CMakeLists.txt
  3. +50
    -0
      test/interactive-helper/libnoprofile.c

+ 4
- 0
apt-pkg/CMakeLists.txt View File

@@ -49,3 +49,7 @@ add_version_script(apt-pkg)
install(TARGETS apt-pkg LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(FILES ${headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/apt-pkg)
flatify(${PROJECT_BINARY_DIR}/include/apt-pkg/ "${headers}")

if(CMAKE_BUILD_TYPE STREQUAL "Coverage")
target_link_libraries(apt-pkg PUBLIC noprofile)
endif()

+ 3
- 0
test/interactive-helper/CMakeLists.txt View File

@@ -8,3 +8,6 @@ add_executable(aptwebserver aptwebserver.cc)
target_link_libraries(aptwebserver apt-pkg ${CMAKE_THREAD_LIBS_INIT})
add_executable(test_fileutl test_fileutl.cc)
target_link_libraries(test_fileutl apt-pkg)

add_library(noprofile SHARED libnoprofile.c)
target_link_libraries(noprofile ${CMAKE_DL_LIBS})

+ 50
- 0
test/interactive-helper/libnoprofile.c View File

@@ -0,0 +1,50 @@
#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) {
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");

va_list ap2;
va_copy(ap2, ap);
if (strncmp(format, "profiling:", strlen("profiling:")) == 0)
return 0;
int res = func_fprintf(format, ap2);
va_end(ap2);
return res;
}
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) {
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");

va_list ap2;
va_copy(ap2, ap);
if (strncmp(format, "profiling:", strlen("profiling:")) == 0)
return 0;
int res = func_vfprintf(stream, format, ap2);
va_end(ap2);
return res;
}

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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