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/*
* $Id: support.c 5754 2007-11-16 05:52:26Z ajc $
*
* Server-side utility functions
*
*/
#include "sysdep.h"
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "support.h"
/*
* strproc() - make a string 'nice'
*/
void strproc(char *string)
{
int a, b;
if (string == NULL) return;
if (IsEmptyStr(string)) return;
/* Convert non-printable characters to blanks */
for (a=0; !IsEmptyStr(&string[a]); ++a) {
if (string[a]<32) string[a]=32;
if (string[a]>126) string[a]=32;
}
/* a is now the length of our string. */
/* Remove leading and trailing blanks */
while( (string[a-1]<33) && (!IsEmptyStr(string)) )
string[--a]=0;
b = 0;
while( (string[b]<33) && (!IsEmptyStr(&string[b])) )
b++;
if (b > 0)
memmove(string,&string[b], a - b + 1);
/* Remove double blanks */
for (a=0; !IsEmptyStr(&string[a]); ++a) {
if ((string[a]==32)&&(string[a+1]==32)) {
strcpy(&string[a],&string[a+1]);
a=0;
}
}
/* remove characters which would interfere with the network */
for (a=0; !IsEmptyStr(&string[a]); ++a) {
while (string[a]=='!') strcpy(&string[a],&string[a+1]);
while (string[a]=='@') strcpy(&string[a],&string[a+1]);
while (string[a]=='_') strcpy(&string[a],&string[a+1]);
while (string[a]==',') strcpy(&string[a],&string[a+1]);
while (string[a]=='%') strcpy(&string[a],&string[a+1]);
while (string[a]=='|') strcpy(&string[a],&string[a+1]);
}
}
/*
* get a line of text from a file
* ignores lines starting with #
*/
int getstring(FILE *fp, char *string)
{
int a,c;
do {
strcpy(string,"");
a=0;
do {
c=getc(fp);
if (c<0) {
string[a]=0;
return(-1);
}
string[a++]=c;
} while(c!=10);
string[a-1]=0;
} while(string[0]=='#');
return(strlen(string));
}
/*
* mesg_locate() - locate a message or help file, case insensitive
*/
void mesg_locate(char *targ, size_t n, const char *searchfor,
int numdirs, const char * const *dirs)
{
int a;
char buf[SIZ];
struct stat test;
for (a=0; a<numdirs; ++a) {
snprintf(buf, sizeof buf, "%s/%s", dirs[a], searchfor);
if (!stat(buf, &test)) {
snprintf(targ, n, "%s/%s", dirs[a], searchfor);
return;
}
}
strcpy(targ,"");
}
#ifndef HAVE_STRERROR
/*
* replacement strerror() for systems that don't have it
*/
char *strerror(int e)
{
static char buf[32];
snprintf(buf,sizeof buf,"errno = %d",e);
return(buf);
}
#endif
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