src/medit/image.c:72: error: RESOURCE_LEAK
  resource of type `_IO_FILE` acquired by call to `fopen()` at line 20, column 10 is not released after line 72, column 13.
Showing all 20 steps of the trace


src/medit/image.c:6:1: start of procedure loadPPM()
4.   
5.   
6. > PPMimage *loadPPM(const char *imgname,int *type) {
7.     pPPMimage  result;
8.     FILE      *fp;

src/medit/image.c:13:3: 
11.   
12.     /* search for image */
13. >   ptr = strstr(imgname,".ppm");
14.     if ( !ptr ) {
15.       strcpy(data,imgname);

src/medit/image.c:14:9: Taking false branch
12.     /* search for image */
13.     ptr = strstr(imgname,".ppm");
14.     if ( !ptr ) {
              ^
15.       strcpy(data,imgname);
16.       strcat(data,".ppm");

src/medit/image.c:20:5: 
18.     } 
19.     else
20. >     fp = fopen(imgname,"rb");
21.     if ( !fp ) {
22.       fprintf(stderr,"  ## Unable to open file %s.\n",imgname);

src/medit/image.c:21:9: Taking false branch
19.     else
20.       fp = fopen(imgname,"rb");
21.     if ( !fp ) {
              ^
22.       fprintf(stderr,"  ## Unable to open file %s.\n",imgname);
23.       return(0);

src/medit/image.c:26:9: Taking false branch
24.     }
25.   
26.     if ( !fgets(buff,sizeof(buff),fp) ) {
              ^
27.       fprintf(stderr,"  ## Invalid file header.\n");
28.       return(0);

src/medit/image.c:32:8: Taking false branch
30.   
31.     /* check header file */
32.     if ( buff[0] != 'P' ) {
             ^
33.       fprintf(stderr,"  ## Invalid image format.\n");
34.       return(0);

src/medit/image.c:37:3: 
35.     }
36.     
37. >   switch(buff[1]) {
38.     case '2': typimg = P2;  break;
39.     case '3': typimg = P3;  break;

src/medit/image.c:38:3: Switch condition is true. Entering switch case
36.     
37.     switch(buff[1]) {
38.     case '2': typimg = P2;  break;
        ^
39.     case '3': typimg = P3;  break;
40.     case '5': typimg = P5;  break;

src/medit/image.c:38:13: 
36.     
37.     switch(buff[1]) {
38. >   case '2': typimg = P2;  break;
39.     case '3': typimg = P3;  break;
40.     case '5': typimg = P5;  break;

src/medit/image.c:48:3: 
46.     
47.     /* allocate memory to store imagee */
48. >   result = malloc(sizeof(PPMimage));
49.     if ( !result ) {
50.       fprintf(stderr,"  ## Unable to load image.\n");

src/medit/image.c:49:9: Taking false branch
47.     /* allocate memory to store imagee */
48.     result = malloc(sizeof(PPMimage));
49.     if ( !result ) {
              ^
50.       fprintf(stderr,"  ## Unable to load image.\n");
51.       return(0);

src/medit/image.c:55:5: 
53.   
54.     do {
55. >     ret = fscanf(fp,"%s",buff);
56.       if ( ret == EOF ) break;
57.       /* check and strip comments */

src/medit/image.c:56:10: Taking true branch
54.     do {
55.       ret = fscanf(fp,"%s",buff);
56.       if ( ret == EOF ) break;
               ^
57.       /* check and strip comments */
58.       if ( buff[0] == '#' )

src/medit/image.c:67:3: 
65.   
66.     /* read columns + lines */
67. >   ret  = sscanf(buff,"%d",&s);
68.     result->sizeX = (short)s;
69.     ret += fscanf(fp,"%d",&s);

src/medit/image.c:68:3: 
66.     /* read columns + lines */
67.     ret  = sscanf(buff,"%d",&s);
68. >   result->sizeX = (short)s;
69.     ret += fscanf(fp,"%d",&s);
70.     result->sizeY = (short)s;

src/medit/image.c:69:3: 
67.     ret  = sscanf(buff,"%d",&s);
68.     result->sizeX = (short)s;
69. >   ret += fscanf(fp,"%d",&s);
70.     result->sizeY = (short)s;
71.     if ( ret != 2 ) {

src/medit/image.c:70:3: 
68.     result->sizeX = (short)s;
69.     ret += fscanf(fp,"%d",&s);
70. >   result->sizeY = (short)s;
71.     if ( ret != 2 ) {
72.       fprintf(stderr,"  ## Error loading image.\n");

src/medit/image.c:71:8: Taking true branch
69.     ret += fscanf(fp,"%d",&s);
70.     result->sizeY = (short)s;
71.     if ( ret != 2 ) {
             ^
72.       fprintf(stderr,"  ## Error loading image.\n");
73.       free(result);

src/medit/image.c:72:5: 
70.     result->sizeY = (short)s;
71.     if ( ret != 2 ) {
72. >     fprintf(stderr,"  ## Error loading image.\n");
73.       free(result);
74.       return(0);