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#if !defined(lint) && !defined(LINT)
static char rcsid[] = "$Header: env.c,v 2.2 90/07/18 00:23:48 vixie Exp $";
#endif
/* Copyright 1988,1990 by Paul Vixie
* All rights reserved
*
* Distribute freely, except: don't remove my name from the source or
* documentation (don't take credit for my work), mark your changes (don't
* get me blamed for your possible bugs), don't alter or remove this
* notice. May be sold if buildable source is provided to buyer. No
* warrantee of any kind, express or implied, is included with this
* software; use at your own risk, responsibility for damages (if any) to
* anyone resulting from the use of this software rests entirely with the
* user.
*
* Send bug reports, bug fixes, enhancements, requests, flames, etc., and
* I'll try to keep a version up to date. I can be reached as follows:
* Paul Vixie, 329 Noe Street, San Francisco, CA, 94114, (415) 864-7013,
* paul@vixie.sf.ca.us || {hoptoad,pacbell,decwrl,crash}!vixie!paul
*/
#include "cron.h"
char **
env_init()
{
extern char *malloc();
register char **p = (char **) malloc(sizeof(char **));
p[0] = NULL;
return p;
}
char **
env_set(envp, envstr)
char **envp;
char *envstr;
{
extern char *realloc(), *savestr();
register int count, found;
register char **p;
/*
* count the number of elements, including the null pointer;
* also set 'found' to -1 or index of entry if already in here.
*/
found = -1;
for (count = 0; envp[count] != NULL; count++)
{
if (!strcmp_until(envp[count], envstr, '='))
found = count;
}
count++; /* for the null pointer
*/
if (found != -1)
{
/*
* it exists already, so just free the existing setting,
* save our new one there, and return the existing array.
*/
free(envp[found]);
envp[found] = savestr(envstr);
return envp;
}
/*
* it doesn't exist yet, so resize the array, move null pointer over
* one, save our string over the old null pointer, and return resized
* array.
*/
p = (char **) realloc(
(char *) envp,
(unsigned) ((count+1) * sizeof(char **))
);
p[count] = p[count-1];
p[count-1] = savestr(envstr);
return p;
}
int
load_env(envstr, f)
char *envstr;
FILE *f;
{
/* return ERR = end of file
* FALSE = not an env setting (file was repositioned)
* TRUE = was an env setting
*/
char *strcpy(), *sprintf();
long filepos;
int fileline;
char name[MAX_TEMPSTR], val[MAX_ENVSTR];
int fields, strdtb();
void skip_comments();
filepos = ftell(f);
fileline = LineNumber;
skip_comments(f);
if (EOF == get_string(envstr, MAX_ENVSTR, f, "\n"))
return ERR;
Debug(DPARS, ("load_env, read <%s>\n", envstr))
name[0] = val[0] = '\0';
fields = sscanf(envstr, "%[^ =] = %[^\n#]", name, val);
if (fields != 2)
{
Debug(DPARS, ("load_env, not 2 fields (%d)\n", fields))
fseek(f, filepos, 0);
Set_LineNum(fileline);
return FALSE;
}
/* 2 fields from scanf; looks like an env setting
*/
/*
* process value string
*/
{
int len = strdtb(val);
if (len >= 2)
if (val[0] == '\'' || val[0] == '"')
if (val[len-1] == val[0])
{
val[len-1] = '\0';
(void) strcpy(val, val+1);
}
}
(void) sprintf(envstr, "%s=%s", name, val);
Debug(DPARS, ("load_env, <%s> <%s> -> <%s>\n", name, val, envstr))
return TRUE;
}
char *
env_get(name, envp)
char *name;
char **envp;
{
char *index();
for (; *envp; envp++)
if (!strcmp_until(*envp, name, '='))
return index(*envp, '=') + 1;
return NULL;
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.