X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fsys-file-writer.c;h=ac5f4c903ed0266a4e50bc87a43c9b29e177cf9e;hb=66946a0a0cab3a51e6fded95aef4e991baee319f;hp=a761d4a29fc4e7262e1520104aa0aae0e32f4e47;hpb=c5ad65b0351ab1d897eb072eeaec06fb37802b01;p=pspp diff --git a/src/data/sys-file-writer.c b/src/data/sys-file-writer.c index a761d4a29f..ac5f4c903e 100644 --- a/src/data/sys-file-writer.c +++ b/src/data/sys-file-writer.c @@ -144,8 +144,8 @@ static void put_cmp_opcode (struct sfm_writer *, uint8_t); static void put_cmp_number (struct sfm_writer *, double); static void put_cmp_string (struct sfm_writer *, const void *, size_t); -bool write_error (const struct sfm_writer *); -bool close_writer (struct sfm_writer *); +static bool write_error (const struct sfm_writer *); +static bool close_writer (struct sfm_writer *); /* Returns default options for writing a system file. */ struct sfm_write_options @@ -159,8 +159,7 @@ sfm_writer_default_options (void) } /* Opens the system file designated by file handle FH for writing - cases from dictionary D according to the given OPTS. If - COMPRESS is nonzero, the system file will be compressed. + cases from dictionary D according to the given OPTS. No reference to D is retained, so it may be modified or destroyed at will after this function returns. D is not @@ -209,9 +208,9 @@ sfm_open_writer (struct file_handle *fh, struct dictionary *d, goto error; /* Create the file on disk. */ - mode = S_IRUSR | S_IRGRP | S_IROTH; + mode = 0444; if (opts.create_writeable) - mode |= S_IWUSR | S_IWGRP | S_IWOTH; + mode |= 0222; w->rf = replace_file_start (fh_get_file_name (fh), "wb", mode, &w->file, NULL); if (w->rf == NULL) @@ -269,10 +268,7 @@ sfm_open_writer (struct file_handle *fh, struct dictionary *d, write_int (w, 0); if (write_error (w)) - { - close_writer (w); - return NULL; - } + goto error; return casewriter_create (dict_get_proto (d), &sys_file_casewriter_class, w); @@ -947,7 +943,7 @@ sys_file_casewriter_destroy (struct casewriter *writer, void *w_) } /* Returns true if an I/O error has occurred on WRITER, false otherwise. */ -bool +static bool write_error (const struct sfm_writer *writer) { return ferror (writer->file); @@ -955,7 +951,7 @@ write_error (const struct sfm_writer *writer) /* Closes a system file after we're done with it. Returns true if successful, false if an I/O error occurred. */ -bool +static bool close_writer (struct sfm_writer *w) { bool ok; @@ -976,7 +972,7 @@ close_writer (struct sfm_writer *w) /* Seek back to the beginning and update the number of cases. This is just a courtesy to later readers, so there's no need to check return values or report errors. */ - if (ok && w->case_cnt <= INT32_MAX && !fseek (w->file, 80, SEEK_SET)) + if (ok && w->case_cnt <= INT32_MAX && !fseeko (w->file, 80, SEEK_SET)) { write_int (w, w->case_cnt); clearerr (w->file);