diff options
Diffstat (limited to 'file_reader.c')
| -rwxr-xr-x | file_reader.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/file_reader.c b/file_reader.c new file mode 100755 index 0000000..eea7761 --- /dev/null +++ b/file_reader.c | |||
| @@ -0,0 +1,42 @@ | |||
| 1 | #include "file_reader.h" | ||
| 2 | |||
| 3 | #define BUFFER_SIZE 16384 | ||
| 4 | |||
| 5 | File* file_open(const char* filename) | ||
| 6 | { | ||
| 7 | File* retval = malloc(sizeof(File)); | ||
| 8 | retval->name = filename; | ||
| 9 | retval->data = malloc(0); | ||
| 10 | retval->size = 0; | ||
| 11 | FILE* file = fopen(filename, "rb"); | ||
| 12 | if(file) | ||
| 13 | { | ||
| 14 | do | ||
| 15 | { | ||
| 16 | retval->data = realloc(retval->data, retval->size + BUFFER_SIZE); | ||
| 17 | retval->size += fread(&retval->data[retval->size], 1, BUFFER_SIZE, file); | ||
| 18 | } while(!feof(file)); | ||
| 19 | retval->data = realloc(retval->data, retval->size); | ||
| 20 | fclose(file); | ||
| 21 | return retval; | ||
| 22 | } | ||
| 23 | else | ||
| 24 | { | ||
| 25 | perror(filename); | ||
| 26 | return NULL; | ||
| 27 | } | ||
| 28 | } | ||
| 29 | |||
| 30 | void file_close(File* file) | ||
| 31 | { | ||
| 32 | free(file->data); | ||
| 33 | free(file); | ||
| 34 | } | ||
| 35 | |||
| 36 | int main() | ||
| 37 | { | ||
| 38 | File* file = file_open("strict.dtd"); | ||
| 39 | puts(file->data); | ||
| 40 | file_close(file); | ||
| 41 | return 0; | ||
| 42 | } | ||
