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Fix a memory issue because list was not initialized correctly

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Fix a bug with getopt that would cause --center to segfault
This commit is contained in:
Bradlee Speice 2012-07-18 09:27:38 -04:00
parent 92e98b9a8f
commit fe3a6e8515
1 changed files with 7 additions and 4 deletions
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11
examples/cva-match.c
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@ -44,7 +44,7 @@ int main( int argc, char** argv )
int tolerance = INT_MAX; int tolerance = INT_MAX;
int search_method = CV_TM_SQDIFF; int search_method = CV_TM_SQDIFF;
int useX = 0; /* bool useX = false; */ int useX = 0; /* bool useX = false; */
int useCenter = 0; Bool useCenter = False;
char *xDisplayLocation; char *xDisplayLocation;
Display *display; Display *display;
/* This line to suppress a compiler warning */ /* This line to suppress a compiler warning */
@ -54,7 +54,8 @@ int main( int argc, char** argv )
xDisplayLocation = ""; xDisplayLocation = "";
/* Set up the linked list for slave images */ /* Set up the linked list for slave images */
basic_list *list_head = NULL, *list_curr = NULL, *list_prev = NULL; basic_list *list_head, *list_curr, *list_prev;
list_head = list_curr = list_prev = NULL;
/* Start getopt */ /* Start getopt */
while (1) while (1)
@ -114,6 +115,7 @@ int main( int argc, char** argv )
} }
list_curr->fileName = optarg; list_curr->fileName = optarg;
list_curr->next = (basic_list *) malloc (sizeof(basic_list)); list_curr->next = (basic_list *) malloc (sizeof(basic_list));
list_curr->next->fileName = NULL;
list_curr = list_curr->next; list_curr = list_curr->next;
break; break;
@ -142,7 +144,8 @@ int main( int argc, char** argv )
break; break;
case 'c': case 'c':
useCenter = 1; useCenter = True;
break;
case 'o': case 'o':
tolerance = atoi(optarg); tolerance = atoi(optarg);
@ -196,7 +199,7 @@ int main( int argc, char** argv )
} while ( list_curr->fileName != NULL ); } while ( list_curr->fileName != NULL );
/* And free the final element */ /* And free the final element */
free(list_curr); free(list_curr);
/* Clean up X */ /* Clean up X */
if (useX) if (useX)