Mercurial > trustbridge
comparison common/listutil.c @ 86:6f1a73575c99
Check input parameters
| author | Andre Heinecke <aheinecke@intevation.de> |
|---|---|
| date | Thu, 20 Mar 2014 16:23:02 +0000 |
| parents | 8ffbb48528ae |
| children | 00f9b91f4039 |
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| 85:e52df5870c4f | 86:6f1a73575c99 |
|---|---|
| 38 */ | 38 */ |
| 39 #define READ_FILE_UNREADABLE -1 | 39 #define READ_FILE_UNREADABLE -1 |
| 40 #define READ_FILE_TOO_LARGE -2 | 40 #define READ_FILE_TOO_LARGE -2 |
| 41 #define READ_FILE_NO_MEMORY -3 | 41 #define READ_FILE_NO_MEMORY -3 |
| 42 #define READ_FILE_READ_FAILED -4 | 42 #define READ_FILE_READ_FAILED -4 |
| 43 #define READ_FILE_INVALID_CALL -5 | |
| 43 static int read_file(const char *file_name, char **data, size_t *size, | 44 static int read_file(const char *file_name, char **data, size_t *size, |
| 44 const size_t max_size) | 45 const size_t max_size) |
| 45 { | 46 { |
| 46 FILE *f; | 47 FILE *f; |
| 47 long file_size; | 48 long file_size; |
| 49 | |
| 50 if (!file_name || !data || !size || !max_size) { | |
| 51 return READ_FILE_INVALID_CALL; | |
| 52 } | |
| 48 | 53 |
| 49 f = fopen(file_name, "rb"); | 54 f = fopen(file_name, "rb"); |
| 50 if (f == NULL) | 55 if (f == NULL) |
| 51 return READ_FILE_UNREADABLE; | 56 return READ_FILE_UNREADABLE; |
| 52 | 57 |