| … | |
… | |
| 62 | return TRUE; |
62 | return TRUE; |
| 63 | } |
63 | } |
| 64 | #endif |
64 | #endif |
| 65 | #endif |
65 | #endif |
| 66 | |
66 | |
| 67 | char * fptools_id = "$Id: fptools.c,v 1.5 2002/03/31 20:08:42 root Exp $"; |
67 | char * fptools_id = "$Id: fptools.c,v 1.6 2002/08/19 23:25:36 root Exp $"; |
| 68 | |
68 | |
| 69 | /* |
69 | /* |
| 70 | * some versions of free can't handle a NULL pointer properly |
70 | * some versions of free can't handle a NULL pointer properly |
| 71 | * (ANSI says, free ignores a NULL pointer, but some machines |
71 | * (ANSI says, free ignores a NULL pointer, but some machines |
| 72 | * prefer to SIGSEGV on it) |
72 | * prefer to SIGSEGV on it) |
| … | |
… | |
| 438 | char * TOOLEXPORT |
438 | char * TOOLEXPORT |
| 439 | _FP_fgets (char *buf, int n, FILE *stream) |
439 | _FP_fgets (char *buf, int n, FILE *stream) |
| 440 | { |
440 | { |
| 441 | char *obp = buf; |
441 | char *obp = buf; |
| 442 | int c; |
442 | int c; |
|
|
443 | |
|
|
444 | /* shield against buffer overflows caused by "255 - bytes_left"-kind of bugs when bytes_left > 255 */ |
|
|
445 | if (n <= 0) |
|
|
446 | return NULL; |
| 443 | |
447 | |
| 444 | if (feof (stream)) |
448 | if (feof (stream)) |
| 445 | return NULL; |
449 | return NULL; |
| 446 | |
450 | |
| 447 | while (--n) { |
451 | while (--n) { |
