Mercurial > trustbridge
comparison common/listutil.c @ 769:44257ecdae6d
Make Read File public
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Thu, 10 Jul 2014 19:11:09 +0200 |
| parents | aa48ea7ead1f |
| children | 7861950f7637 |
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| 768:3f290ea49d45 | 769:44257ecdae6d |
|---|---|
| 32 #include <polarssl/sha256.h> | 32 #include <polarssl/sha256.h> |
| 33 #pragma GCC diagnostic pop | 33 #pragma GCC diagnostic pop |
| 34 | 34 |
| 35 #define MAX_FILESIZE (MAX_LINE_LENGTH * MAX_LINES) | 35 #define MAX_FILESIZE (MAX_LINE_LENGTH * MAX_LINES) |
| 36 | 36 |
| 37 /** | |
| 38 * @brief Read a file into memory. | |
| 39 * | |
| 40 * The caller needs to free data | |
| 41 * | |
| 42 * @param[in] fileName Name of the file. | |
| 43 * @param[out] data the file content | |
| 44 * @param[out] size size in bytes of the file content. | |
| 45 * @param[in] max_size the maximum amount of bytes to read. | |
| 46 * | |
| 47 * @return 0 on success an error code otherwise. | |
| 48 */ | |
| 49 #define READ_FILE_UNREADABLE -1 | 37 #define READ_FILE_UNREADABLE -1 |
| 50 #define READ_FILE_TOO_LARGE -2 | 38 #define READ_FILE_TOO_LARGE -2 |
| 51 #define READ_FILE_NO_MEMORY -3 | 39 #define READ_FILE_NO_MEMORY -3 |
| 52 #define READ_FILE_READ_FAILED -4 | 40 #define READ_FILE_READ_FAILED -4 |
| 53 #define READ_FILE_INVALID_CALL -5 | 41 #define READ_FILE_INVALID_CALL -5 |
| 54 static int read_file(const char *file_name, char **data, size_t *size, | 42 int |
| 43 read_file(const char *file_name, char **data, size_t *size, | |
| 55 const size_t max_size) | 44 const size_t max_size) |
| 56 { | 45 { |
| 57 FILE *f; | 46 FILE *f; |
| 58 long file_size; | 47 long file_size; |
| 59 | 48 |