Initial release of Maemo 5 port of gnuplot

[gnuplot] / src / util.h

diff --git a/src/util.h b/src/util.h
new file mode 100644 (file)
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+++ b/src/util.h
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+/*
+ * $Id: util.h,v 1.27 2005/10/22 05:50:13 sfeam Exp $
+ */
+
+/* GNUPLOT - util.h */
+
+/*[
+ * Copyright 1986 - 1993, 1998, 2004   Thomas Williams, Colin Kelley
+ *
+ * Permission to use, copy, and distribute this software and its
+ * documentation for any purpose with or without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.
+ *
+ * Permission to modify the software is granted, but not the right to
+ * distribute the complete modified source code.  Modifications are to
+ * be distributed as patches to the released version.  Permission to
+ * distribute binaries produced by compiling modified sources is granted,
+ * provided you
+ *   1. distribute the corresponding source modifications from the
+ *    released version in the form of a patch file along with the binaries,
+ *   2. add special version identification to distinguish your version
+ *    in addition to the base release version number,
+ *   3. provide your name and address as the primary contact for the
+ *    support of your modified version, and
+ *   4. retain our contact information in regard to use of the base
+ *    software.
+ * Permission to distribute the released version of the source code along
+ * with corresponding source modifications in the form of a patch file is
+ * granted with same provisions 2 through 4 for binary distributions.
+ *
+ * This software is provided "as is" without express or implied warranty
+ * to the extent permitted by applicable law.
+]*/
+
+#ifndef GNUPLOT_UTIL_H
+# define GNUPLOT_UTIL_H
+
+#include "gp_types.h"
+#include "stdfn.h"             /* for size_t */
+
+/* special token number meaning 'do not draw the "caret"', for
+ * int_error and friends: */
+#define NO_CARET (-1)
+
+/* token number meaning 'the error was in the datafile, not the
+   command line' */
+#define DATAFILE (-2)
+
+/* TRUE if command just typed; becomes FALSE whenever we
+ * send some other output to screen.  If FALSE, the command line
+ * will be echoed to the screen before the ^ error message.
+ */
+extern TBOOLEAN screen_ok;
+
+/* decimal sign */
+extern char *decimalsign;
+
+extern const char *current_prompt; /* needed by is_error() and friends */
+
+/* Functions exported by util.c: */
+
+/* Command parsing helpers: */
+#if 0 /* UNUSED */
+int chr_in_str __PROTO((int, int));
+#endif
+int equals __PROTO((int, const char *));
+int almost_equals __PROTO((int, const char *));
+int isstring __PROTO((int));
+int isanumber __PROTO((int));
+int isletter __PROTO((int));
+int is_definition __PROTO((int));
+void copy_str __PROTO((char *, int, int));
+size_t token_len __PROTO((int));
+void quote_str __PROTO((char *, int, int));
+void capture __PROTO((char *, int, int, int));
+void m_capture __PROTO((char **, int, int));
+void m_quote_capture __PROTO((char **, int, int));
+char *try_to_get_string __PROTO((void));
+void parse_esc __PROTO((char *));
+int type_udv __PROTO((int));
+
+#ifdef GP_STRING_VARS
+char *gp_stradd __PROTO((const char *, const char *));
+#define isstringvalue(c_token) (isstring(c_token) || type_udv(c_token)==STRING)
+#else
+#define isstringvalue(c_token) isstring(c_token)
+#endif
+
+/* HBB 20010726: IMHO this one belongs into alloc.c: */
+char *gp_strdup __PROTO((const char *));
+
+/* HBB 20020405: moved this here, from axis.[ch] */
+void gprintf __PROTO((char *, size_t, char *, double, double));
+
+/* Error message handling */
+#if defined(VA_START) && defined(STDC_HEADERS)
+void os_error __PROTO((int, const char *, ...));
+void int_error __PROTO((int, const char *, ...));
+void int_warn __PROTO((int, const char *, ...));
+void graph_error __PROTO((const char *, ...));
+#else
+void os_error __PROTO(());
+void int_error __PROTO(());
+void int_warn __PROTO(());
+void graph_error __PROTO(());
+#endif
+
+/* Helper functions for help_command() */
+/* FIXME HBB 20010726: should be moved to where help_comamnd() is, and
+ * made static. Currently, that's command.c, but it should probably
+ * move to help.c, instead. */
+void lower_case __PROTO((char *));
+void squash_spaces __PROTO((char *));
+
+TBOOLEAN existdir __PROTO((const char *));
+
+char *getusername __PROTO((void));
+
+#endif /* GNUPLOT_UTIL_H */