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api/tesseractmain: Fix memory leak caused by exit()

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When exit() is called from ParseArgs(), no destructors are executed
for the auto variables vars_vec and vars_values.

Making both variables static fixes the memory leaks, because now the
destructors are always executed.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2016-10-24 20:18:39 +02:00
parent 53c572b47a
commit f1d3a3b7c3
1 changed files with 7 additions and 1 deletions
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8
api/tesseractmain.cpp
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@ -358,6 +358,8 @@ void PreloadRenderers(tesseract::TessBaseAPI* api,
* main()
*
**********************************************************************/
int main(int argc, char **argv) {
const char* lang = "eng";
const char* image = NULL;
@ -365,9 +367,13 @@ int main(int argc, char **argv) {
const char* datapath = NULL;
bool list_langs = false;
bool print_parameters = false;
GenericVector<STRING> vars_vec, vars_values;
int arg_i = 1;
tesseract::PageSegMode pagesegmode = tesseract::PSM_AUTO;
/* main() calls functions like ParseArgs which call exit().
* This results in memory leaks if vars_vec and vars_values are
* declared as auto variables (destructor is not called then). */
static GenericVector<STRING> vars_vec;
static GenericVector<STRING> vars_values;
#if defined(HAVE_TIFFIO_H) && defined(_WIN32)
/* Show libtiff warnings on console (not in GUI). */