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--- main.c.orig 1992-04-14 20:41:24 UTC
+++ main.c
@@ -1,6 +1,14 @@
/* Copyright (c) 1991 Sun Wu and Udi Manber. All Rights Reserved. */
#include "agrep.h"
#include "checkfile.h"
+#include <unistd.h>
+#include <fcntl.h>
+
+int exponen(int m);
+void r_output (CHAR *buffer, int i, int end, int j);
+void file_out(char *fname);
+void usage(void);
+void checksg(CHAR *Pattern, int D);
unsigned Mask[MAXSYM];
unsigned Init1, NO_ERR_MASK, Init[MaxError];
@@ -33,7 +41,7 @@ int NOFILENAME = 0, /* Boolean flag, s
extern int init();
int table[WORD][WORD];
-initial_value()
+void initial_value()
{
int i;
@@ -51,7 +59,7 @@ initial_value()
for (i=0; i< MAXSYM; i++) Mask[i] = 0;
}
-compute_next(M, Next, Next1)
+void compute_next(M, Next, Next1)
int M; unsigned *Next, *Next1;
{
int i, j=0, n, k, temp;
@@ -110,7 +118,7 @@ int M; unsigned *Next, *Next1;
return;
}
-exponen(m)
+int exponen(m)
int m;
{ int i, ex;
ex= 1;
@@ -118,7 +126,7 @@ int m;
return(ex);
}
-re1(Text, M, D)
+void re1(Text, M, D)
int Text, M, D;
{
register unsigned i, c, r0, r1, r2, r3, CMask, Newline, Init0, r_NO_ERR;
@@ -393,7 +401,7 @@ Nextchar1: i=i+1;
return;
} /* re1 */
-re(Text, M, D)
+void re(Text, M, D)
int Text, M, D;
{
register unsigned i, c, r1, r2, r3, CMask, k, Newline, Init0, Init1, end;
@@ -595,7 +603,7 @@ Nextchar1: i++;
} /* re */
-r_output (buffer, i, end, j)
+void r_output (buffer, i, end, j)
int i, end, j;
CHAR *buffer;
{
@@ -612,7 +620,7 @@ int bp;
while (bp <= i ) putchar(buffer[bp++]);
}
-main(argc, argv)
+int main(argc, argv)
int argc; char *argv[];
{
int N, M, D=0, fp, fd, i, j;
@@ -751,7 +759,7 @@ int argc; char *argv[];
}
if (!(PAT_FILE) && Pattern[0] == '\0') { /* Pattern not set with -e option */
if (argc == 0) usage();
- strcpy(Pattern, *argv);
+ strncpy(Pattern, *argv, sizeof(Pattern));
argc--;
argv++;
}
@@ -897,7 +905,7 @@ CONT:
} /* end of main() */
-file_out(fname)
+void file_out(fname)
char *fname;
{
int num_read;
@@ -921,7 +929,7 @@ CHAR buf[4097];
}
-usage()
+void usage()
{
fprintf(stderr, "usage: %s [-#cdehiklnpstvwxBDGIS] [-f patternfile] pattern [files]\n", Progname);
printf("\n");
@@ -942,7 +950,7 @@ usage()
exit(2);
}
-checksg(Pattern, D)
+void checksg(Pattern, D)
CHAR *Pattern; int D;
{
char c;
@@ -999,7 +1007,8 @@ CHAR *Pattern; int D;
return;
}
-output (buffer, i1, i2, j)
+void output (register CHAR *buffer, int i1, int i2, int j);
+void output (buffer, i1, i2, j)
register CHAR *buffer; int i1, i2, j;
{
register CHAR *bp, *outend;
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