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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_200
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235_01
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ovstr.c
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1987-06-16
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/* 001 14-Feb-87 ovstr.c
Some OV specific string routines.
Copyright (c) 1987 by Blue Sky Software. All rights reserved.
*/
#include "ov.h"
/*****************************************************************************
M U S T A L L O C
*****************************************************************************/
char * ALTCALL
mustalloc(len) /* allocate memory or die */
int len;
{
char *mp;
if (mp = (char *) malloc(len)) /* try to allocate, return addr if ok */
return(mp);
/* Can't allocate, time to die! The following routines better not call us! */
reset_tty();
putstr("\r\nOverView ran out of memory!\r\n");
exit();
}
/*****************************************************************************
M U S T D U P
*****************************************************************************/
char * ALTCALL
mustdup(sp) /* duplicate a string or die */
char *sp;
{
char *nsp;
nsp = mustalloc(strlen(sp)+1);
strcpy(nsp,sp);
return(nsp);
}
/*****************************************************************************
M U S T N D U P
*****************************************************************************/
char * ALTCALL
mustndup(sp,n) /* duplicate part of a string or die! */
char *sp;
int n;
{
char *nsp;
nsp = mustalloc(n+1);
*nsp = '\0';
strncat(nsp,sp,n);
return(nsp);
}