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@c -*- mode: Noweb; noweb-doc-mode: texinfo-mode; noweb-code-mode: c-mode -*-
@node File u_basic.c,,,Top
@chapter File @file{u_basic.c}
@section File header
<<u_basic.c : *>>=
<<u_basic.c : copyright and license>>
/* DO NOT read or edit this file ! Use ../noweb/u_basic.nw instead */
<<u_basic.c : include directives>>
<<u_basic.c : u_basic_strdup()>>
<<u_basic.c : u_basic_strdup_multiple()>>
<<u_basic.c : u_basic_breakup_string()>>
@
<<u_basic.c : copyright and license>>=
/* gEDA - GPL Electronic Design Automation
* libgeda - gEDA's library
* Copyright (C) 1998, 1999, 2000 Kazu Hirata / Ales Hvezda
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
*/
@
<<u_basic.c : include directives>>=
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <guile/gh.h>
@
@section Function @code{u_basic_strdup()}
@defun u_basic_strdup p
@end defun
<<u_basic.c : u_basic_strdup()>>=
/* Kazu Hirata <kazu@seul.org> on July 25, 1999 - My own version of
* strdup(). */
char *
u_basic_strdup(const char* p)
{
char *q = (char *) malloc(strlen(p) + 1);
if (q == NULL) {
return NULL;
}
return strcpy(q, p);
}
@ %def u_basic_strdup
@section Function @code{u_basic_strdup_multiple()}
@defun u_basic_strdup_multiple str ...
@end defun
<<u_basic.c : u_basic_strdup_multiple()>>=
/* Kazu Hirata <kazu@seul.org> on July 25, 1999 - Allocates memory and
* returns a pointer to a string that contains all strings passed as
* parameters combined. The last one must be NULL so that the function
* can identify the end of the list. */
char *
u_basic_strdup_multiple(const char *str, ...)
{
int len;
va_list vl;
char *all;
const char *tmp;
/* get the total length */
va_start(vl, str);
len = 0;
for(tmp = str; tmp != NULL; tmp = va_arg(vl, char *)) {
len += strlen(tmp);
}
va_end(vl);
/* '\0' is big enough to occupy its own seat */
len++;
/* allocate memory for all of them */
all = malloc(sizeof(char) * len);
if(all == NULL) {
/* oops, the operating system is not nice to me... */
return NULL;
}
/* now combine them all */
va_start(vl, str);
len = 0;
for(tmp = str; tmp != NULL; tmp = va_arg(vl, char *)) {
strcpy(&all[len], tmp);
len += strlen(tmp);
}
va_end(vl);
return all;
}
@ %def u_basic_strdup_multiple
@section Function @code{u_basic_breakup_string()}
@defun u_basic_breakup_string string count
@end defun
<<u_basic.c : u_basic_breakup_string()>>=
/* delimiters are , or space */
/* count starts at zero */
char *
u_basic_breakup_string(char *string, int count)
{
int i=0, j=0;
int internal_counter=0;
int done=FALSE;
char *return_value;
/* skip over any leading white space */
while(string[i] == ' ' && !string[i]) {
i++;
}
/* Allocate space for temp string storage (+1 for null character) */
return_value = malloc(sizeof(char)*(strlen(string) + 1));
while(!done) {
/* oops, ran out of string before we found what we were */
/* looking for */
if (i > strlen(string)) {
free(return_value);
return(NULL);
}
/* skip over any leading white space */
while(string[i] == ' ' && string[i] != '\0') {
i++;
}
j = 0;
/* Old forgiving parsing */
/* while(string[i] != ',' && string[i] != ';' && */
/* string[i] != ' ' && string[i] != '\0') {*/
while(string[i] != ',' && string[i] != '\0') {
return_value[j] = string[i];
i++; j++;
}
if (internal_counter == count) {
done = TRUE;
} else {
internal_counter++;
i++; /* skip the offending character */
}
}
return_value[j] = '\0';
return(return_value);
}
@ %def u_basic_breakup_string
|
