#include #include #include #include #include #include #include "../rc.h" #include "buffers.h" #include "file.h" #define READ_BUFFER_SIZE 1024 int file_read_dump(buffer_t **buffer, const char *filename) { int fd = -1; buffer_t *new_buf = NULL; uint8_t data[READ_BUFFER_SIZE]; ssize_t current_read; if (!filename) return RC_BAD_PARAM; if ((fd = open(filename, O_RDONLY)) == -1) { fprintf(stderr, "Cannot open %s for reading, returned %d:%s\n", filename, errno, strerror(errno)); return RC_FAIL; } CHECK_FCT(buffer_new_from_data(&new_buf, NULL, 0, 0)); do { current_read = read(fd, data, READ_BUFFER_SIZE); if (current_read == -1) { fprintf(stderr, "Failed to read data from file, returned %d:%s\n", errno, strerror(errno)); return RC_FAIL; } CHECK_FCT(buffer_append_data(new_buf, data, current_read)); } while(current_read == READ_BUFFER_SIZE); *buffer = new_buf; buffer_dump(new_buf, stdout); close(fd); return RC_OK; }