home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Usenet 1994 October
/
usenetsourcesnewsgroupsinfomagicoctober1994disk2.iso
/
unix
/
volume4
/
settz
/
scheck.c
< prev
next >
Wrap
C/C++ Source or Header
|
1986-11-30
|
1KB
|
71 lines
#
/*LINTLIBRARY*/
#include "stdio.h"
#ifdef OBJECTID
static char sccsid[] = "@(#)scheck.c 7.9";
#endif
#include "ctype.h"
#ifndef alloc_t
#define alloc_t unsigned
#endif
#ifndef MAL
#define MAL NULL
#endif
extern char * malloc();
char *
scheck(string, format)
char * string;
char * format;
{
register char * fbuf;
register char * fp;
register char * tp;
register int c;
register char * result;
char dummy;
result = "";
if (string == NULL || format == NULL)
return result;
fbuf = malloc((alloc_t) (2 * strlen(format) + 4));
if (fbuf == MAL)
return result;
fp = format;
tp = fbuf;
while ((*tp++ = c = *fp++) != '\0') {
if (c != '%')
continue;
if (*fp == '%') {
*tp++ = *fp++;
continue;
}
*tp++ = '*';
if (*fp == '*')
++fp;
while (isascii(*fp) && isdigit(*fp))
*tp++ = *fp++;
if (*fp == 'l' || *fp == 'h')
*tp++ = *fp++;
else if (*fp == '[')
do *tp++ = *fp++;
while (*fp != '\0' && *fp != ']');
if ((*tp++ = *fp++) == '\0')
break;
}
*(tp - 1) = '%';
*tp++ = 'c';
*tp++ = '\0';
if (sscanf(string, fbuf, &dummy) != 1)
result = format;
free(fbuf);
return result;
}