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Fixed segfault when input file has not been found #5

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Fixed segfault when input file has not been found #5

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4 changes: 2 additions & 2 deletions gpx-main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -52,9 +52,9 @@ static int sio_port = -1;
static void exit_handler(void)
{
// close open files
if(file_in != stdin) {
if(file_in != stdin && file_in != NULL) {
fclose(file_in);
if(file_out != stdout) {
if(file_out != stdout && file_out != NULL) {
if(ferror(file_out)) {
perror("Error writing to output file");
}
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