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154 lines
4.6 KiB
C
154 lines
4.6 KiB
C
/********************************************************************\
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* file-utils.c -- simple file utilities *
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* Copyright (C) 1997 Robin D. Clark <rclark@cs.hmc.edu> *
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* Copyright (C) 1998 Rob Browning *
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* Copyright (C) 1998-2000 Linas Vepstas <linas@linas.org> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License*
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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\********************************************************************/
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#include <config.h>
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#include <glib.h>
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#include <glib/gstdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#else
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# include <io.h>
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# define close _close
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# define lseek _lseek
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# define read _read
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#endif
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#include "file-utils.h"
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#include "gnc-engine.h"
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#include "gnc-filepath-utils.h"
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#include "gnc-gkeyfile-utils.h"
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#include "gnc-uri-utils.h"
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/* This static indicates the debugging module that this .o belongs to. */
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static QofLogModule log_module = G_LOG_DOMAIN;
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/********************************************************************\
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\********************************************************************/
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/********************************************************************\
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* gncReadFile *
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* *
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* Args: filename - the name of the html file to read *
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* data - pointer to set to the buffer of data read in *
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* Return: size of data read *
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* Global: helpPath - the path to the help files *
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\********************************************************************/
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int
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gncReadFile (const char * filename, char ** data)
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{
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char *buf = NULL;
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char *fullname;
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int size = 0;
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int fd;
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if (!filename || filename[0] == '\0') return 0;
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/* construct absolute path if we received a relative path */
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fullname = gnc_path_find_localized_html_file (filename);
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if (!fullname) return 0;
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/* Open file: */
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fd = g_open( fullname, O_RDONLY, 0 );
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g_free(fullname);
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fullname = NULL;
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if ( fd == -1 )
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{
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int norr = errno;
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PERR ("file %s: (%d) %s\n", filename, norr, strerror(norr));
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return 0;
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}
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/* Find size: */
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size = lseek( fd, 0, SEEK_END );
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lseek( fd, 0, SEEK_SET );
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/* Allocate memory */
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buf = g_new(char, size + 1);
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/* read in file */
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if ( read(fd, buf, size) == -1 )
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{
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g_free(buf);
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buf = NULL;
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}
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else
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{
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buf[size] = '\0';
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}
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close(fd);
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*data = buf;
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return size;
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}
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/***********************************************************************
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* gnc_getline -- read a line from the input file, up to and including
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* the newline.
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*
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* Args: line - pointer to hold the buffer for the whole line (allocated by
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* this function)
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* file - the file from which to read
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* Return: the number of bytes read
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*
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* The caller MUST g_free() the line returned from this call in all
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* cases where it is non-NULL!
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*/
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gint64
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gnc_getline (gchar **line, FILE *file)
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{
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char str[BUFSIZ];
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gint64 len;
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GString *gs;
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g_return_val_if_fail(line, -1);
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*line = NULL;
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g_return_val_if_fail(file, -1);
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gs = g_string_new("");
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while (fgets(str, sizeof(str), file) != NULL)
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{
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g_string_append(gs, str);
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len = strlen(str);
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if (str[len-1] == '\n')
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break;
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}
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len = gs->len;
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*line = gs->str;
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g_string_free(gs, FALSE);
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return len;
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}
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/* ----------------------- END OF FILE --------------------- */
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