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authorPeter Breitenlohner <peb@mppmu.mpg.de>2009-06-15 15:19:28 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2009-06-15 15:19:28 +0000
commit4b9080e91796d90175624fb4968fecff03cf6a51 (patch)
tree53ff63b969c729a82ea7e420f1bfa6b7a9019bb7 /Build/source/texk/dvidvi
parent111d2d7a78adef3847b442151cbb7f1d42542ffc (diff)
avoid compiler warnings
git-svn-id: svn://tug.org/texlive/trunk@13765 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvidvi')
-rw-r--r--Build/source/texk/dvidvi/ChangeLog9
-rw-r--r--Build/source/texk/dvidvi/dvidvi.c171
2 files changed, 71 insertions, 109 deletions
diff --git a/Build/source/texk/dvidvi/ChangeLog b/Build/source/texk/dvidvi/ChangeLog
index 120a7758252..65c752a1e46 100644
--- a/Build/source/texk/dvidvi/ChangeLog
+++ b/Build/source/texk/dvidvi/ChangeLog
@@ -1,3 +1,12 @@
+2009-06-09 Peter Breitenlohner <peb@mppmu.mpg.de>
+
+ * Makefile.am (AM_CFLAGS): enable compiler warnings.
+ * dvidvi.c: declare most function as static and define them
+ with ANSI C prototypes. #include <unistd.h> to declare isatty.
+ Remove unused variables.
+ Remove SHORTINT (to select '%ld' or '%d' format specifiers),
+ all relevant variables are integer (typedef'ed as long).
+
2009-06-02 Peter Breitenlohner <peb@mppmu.mpg.de>
* dvidvi.c: always include <stdlib.h>, to avoid implicit
diff --git a/Build/source/texk/dvidvi/dvidvi.c b/Build/source/texk/dvidvi/dvidvi.c
index 0ff035f1cc5..e1d175dc719 100644
--- a/Build/source/texk/dvidvi/dvidvi.c
+++ b/Build/source/texk/dvidvi/dvidvi.c
@@ -59,6 +59,14 @@ void error(char *);
#include <config.h>
#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#else
+#ifndef __cplusplus
+extern int isatty (int );
+#endif /* __cplusplus */
+#endif
+
#ifdef KPATHSEA
#include <kpathsea/c-fopen.h>
#define READBIN FOPEN_RBIN_MODE
@@ -93,20 +101,6 @@ void error(char *);
#endif
#endif /* not KPATHSEA */
-#ifdef XENIX
-#define SHORTINT
-#else
-#undef SHORTINT
-#endif
-#ifdef MSDOS
-#define SHORTINT
-#endif
-#ifdef __TOS__
-#ifdef __TURBOC__
-#define SHORTINT
-#endif
-#endif
-
/*
* Type declarations. integer must be a 32-bit signed; shalfword must
* be a sixteen-bit signed; halfword must be a sixteen-bit unsigned;
@@ -209,13 +203,13 @@ short comlen[256] = {
* updating the current position as necessary.
*/
-void
-abortpage()
+static void
+abortpage(void)
{
error("! unexpected eof on DVI file") ;
}
-shalfword dvibyte()
+static shalfword dvibyte(void)
{
register shalfword i ;
if ((i=getc(infile))==EOF)
@@ -223,20 +217,22 @@ shalfword dvibyte()
return(i) ;
}
-halfword twobytes()
+static halfword twobytes(void)
{
register halfword i ;
i = dvibyte() ;
return(i*256+dvibyte()) ; }
-integer threebytes()
+#if 0 /* not used */
+static integer threebytes(void)
{
register integer i ;
i = twobytes() ;
return(i*256+dvibyte()) ; }
+#endif
-shalfword
-signedbyte()
+static shalfword
+signedbyte(void)
{
register shalfword i ;
if ((i=getc(infile))==EOF)
@@ -245,24 +241,26 @@ signedbyte()
else return(i-256) ;
}
-shalfword
-signedpair()
+static shalfword
+signedpair(void)
{
register shalfword i ;
i = signedbyte() ;
return(i*256+dvibyte()) ;
}
-integer
-signedtrio()
+#if 0 /* not used */
+static integer
+signedtrio(void)
{
register integer i ;
i = signedpair() ;
return(i*256+dvibyte()) ;
}
+#endif
-integer
-signedquad()
+static integer
+signedquad(void)
{
register integer i ;
i = signedpair() ;
@@ -277,9 +275,7 @@ signedquad()
* transformpages makes the transformation for the options -f -i -l -x
*/
-integer transf(p,q)
-integer p;
-halfword q;
+static integer transf(integer p, halfword q)
{
int i=0, j=0;
@@ -288,7 +284,8 @@ int i=0, j=0;
if ( j != q ) error ("! Page specified not found");
return (i++);
}
-void transformpages()
+
+static void transformpages(void)
{
int i;
@@ -304,8 +301,7 @@ int i;
/*
*
*/
-integer fontdeflen(p)
-integer p;
+static integer fontdeflen(integer p)
{
fseek(infile,p+14,SEEK_SET);
return (16L+dvibyte()+dvibyte());
@@ -315,8 +311,7 @@ integer p;
* Simulation of dvibuf, get the character located at the position
* p in the input dvi file
*/
-unsigned char dvibuf(p)
-integer p;
+static unsigned char dvibuf(integer p)
{
fseek(infile,p,SEEK_SET);
return(dvibyte());
@@ -325,8 +320,7 @@ integer p;
/*
* Read a string of length n from the file into the string temp
*/
-void stringdvibuf(p,n)
-integer p,n;
+static void stringdvibuf(integer p, integer n)
{
fseek(infile,p,SEEK_SET);
while ( n-- > 0 )
@@ -336,7 +330,7 @@ integer p,n;
/*
* Print a usage error messsage, and quit.
*/
-void usage() {
+static void usage(void) {
(void)fprintf(stderr,banner);
(void)fprintf(stderr,"Usage: dvidvi [options] input[.dvi] [output]\n");
(void)fprintf(stderr,"where options are:\n");
@@ -357,8 +351,7 @@ void usage() {
/*
* Print an error message, and exit if it is fatal.
*/
-void error(s)
-char *s ;
+void error(char *s)
{
(void)fprintf(stderr, "%s\n", s) ; /* AKT: was dvidvi: %s */
if (*s == '!')
@@ -383,8 +376,7 @@ char *s ;
* 0 <= whole
*/
integer defaultscale = 4736286 ;
-integer scale(whole, num, den, sf)
-integer whole, num, den, sf ;
+static integer scale(integer whole, integer num, integer den, integer sf)
{
integer v ;
@@ -407,8 +399,7 @@ integer whole, num, den, sf ;
*
* (Could blow up if a parameter * mag / 1000 > 2^30 sp.)
*/
-void scalemag(p)
-long *p ;
+static void scalemag(long *p)
{
int negative ;
@@ -425,8 +416,7 @@ long *p ;
* Convert a sequence of digits into an integer; return -1 if no digits.
* Advance the passed pointer as well.
*/
-integer myatol(s)
-char **s ;
+static integer myatol(char **s)
{
register char *p ;
register integer result ;
@@ -440,17 +430,14 @@ char **s ;
}
if (p == *s)
usage() ;
- else {
- *s = p ;
- return(result) ;
- }
+ *s = p ;
+ return(result) ;
}
/*
* Get a dimension, allowing all the various extensions, and
* defaults.
*/
-integer myatodim(s)
-char **s ;
+static integer myatodim(char **s)
{
register integer w, num, den ;
register char *p ;
@@ -522,8 +509,7 @@ char **s ;
* depending on the values of options -f, -l, -i and -x
*/
-short selectedpage (n)
-integer n;
+static short selectedpage (integer n)
{
short i;
@@ -541,8 +527,8 @@ short i;
/*
* Initialize sets up all the globals and data structures.
*/
-void
-initialize()
+static void
+initialize(void)
{
int i;
/* initialize values in case of option -m is not specified */
@@ -579,11 +565,9 @@ int i;
* Parse the arguments to the routine, and stuff everything away
* into those globals above.
*/
-void processargs(argc, argv)
-int argc ;
-char *argv[] ;
+static void processargs(int argc, char *argv[])
{
- char *p, *q ;
+ char *q ;
int i, pageno, lastext = -1 ;
long hoffset, voffset ;
int reversed ;
@@ -612,11 +596,7 @@ case 'f' :
else if (*p == '@') {
p++; firsttransf = 1 ;
}
-#ifdef SHORTINT
if(sscanf(p, "%ld", &firstpage)==0)
-#else /* ~SHORTINT */
- if(sscanf(p, "%d", &firstpage)==0)
-#endif /* ~SHORTINT */
error("! Bad first page option (-f).") ;
break ;
case 'i' :
@@ -660,21 +640,13 @@ case 'l':
else if (*p == '@') {
p++; lasttransf = 1 ;
}
-#ifdef SHORTINT
if(sscanf(p, "%ld", &lastpage)==0)
-#else /* ~SHORTINT */
- if(sscanf(p, "%d", &lastpage)==0)
-#endif /* ~SHORTINT */
error("! Bad last page option (-l).") ;
break ;
case 'p' :
if (*p == 0 && argv[i+1])
p = argv[++i] ;
-#ifdef SHORTINT
if (sscanf(p, "%ld", &pagemodulo)==0)
-#else /* ~SHORTINT */
- if (sscanf(p, "%d", &pagemodulo)==0)
-#endif /* ~SHORTINT */
error("! Bad pagemodulo option (-p).") ;
break ;
case 'm' :
@@ -734,11 +706,7 @@ case 'm' :
case 'n' :
if (*p == 0 && argv[i+1])
p = argv[++i] ;
-#ifdef SHORTINT
if (sscanf(p, "%ld", &maxpages)==0)
-#else /* ~SHORTINT */
- if (sscanf(p, "%d", &maxpages)==0)
-#endif /* ~SHORTINT */
error("! Bad number of pages option (-n).") ;
break ;
case 'q' : case 'Q' :
@@ -849,7 +817,7 @@ default:
if(!oname) {
oname="stdout";
if (!isatty(fileno(stdout)))
- SET_BINARY(fileno(stdout));
+ (void)SET_BINARY(fileno(stdout));
}
if (*oname != 0 && !quiet) {
@@ -861,8 +829,7 @@ default:
/*
* Grabs a pointer, and checks it for validity.
*/
-integer ptr(where)
-register integer where ;
+static integer ptr(integer where)
{
fseek(infile,where,SEEK_SET);
where = signedquad() ;
@@ -874,7 +841,7 @@ register integer where ;
/*
* This routine store the page locations by tracing the pointers backwards.
*/
-void searchpageloc()
+static void searchpageloc(void)
{
integer p,num ;
@@ -896,7 +863,7 @@ void searchpageloc()
* This routine simply reads the entire dvi file, and then initializes
* some values about it.
*/
-void readdvifile() {
+static void readdvifile(void) {
integer p ;
unsigned char c,d,e ;
@@ -982,8 +949,7 @@ void readdvifile() {
/*
* Output a single byte, keeping track of where we are.
*/
-void outdvibyte(c)
-unsigned char c ;
+static void outdvibyte(unsigned char c)
{
fputc(c, stdout) ;
dviloc++ ;
@@ -991,8 +957,7 @@ unsigned char c ;
/*
* Send out two bytes.
*/
-void outdvi2(v)
-integer v ;
+static void outdvi2(integer v)
{
outdvibyte((unsigned char)(v >> 8)) ;
outdvibyte((unsigned char)(v & 255)) ;
@@ -1000,8 +965,7 @@ integer v ;
/*
* Send out a longword.
*/
-void outdviquad(v)
-integer v ;
+static void outdviquad(integer v)
{
outdvi2(v >> 16) ;
outdvi2(v & 65535) ;
@@ -1010,8 +974,7 @@ integer v ;
* This routine just copies some stuff from the buffer on out.
* Suppose the file is positioned correctly before
*/
-void putbuf(length)
-integer length ;
+static void putbuf(integer length)
{
while ( length-- > 0 )
outdvibyte(dvibyte()) ;
@@ -1019,8 +982,7 @@ integer length ;
/*
* This routine outputs a string, terminated by null.
*/
-void putstr(s)
-register unsigned char *s ;
+static void putstr(unsigned char *s)
{
while (*s)
outdvibyte(*s++) ;
@@ -1028,7 +990,7 @@ register unsigned char *s ;
/*
* Here we write the preamble to the dvi file.
*/
-void writepreamble() {
+static void writepreamble(void) {
/* just copy the first 14 bytes of the file */
fseek(infile,0L,SEEK_SET);
putbuf(14L) ;
@@ -1038,8 +1000,7 @@ void writepreamble() {
/*
* This routine writes out a font definition.
*/
-void putfontdef(f)
-int f ;
+static void putfontdef(int f)
{
integer p,q ;
@@ -1051,7 +1012,7 @@ int f ;
/*
* The postamble is next.
*/
-void writepostamble() {
+static void writepostamble(void) {
int i ;
integer p ;
@@ -1076,7 +1037,7 @@ void writepostamble() {
/*
* This routine starts a page, by writing out a bop command.
*/
-void beginpage() {
+static void beginpage(void) {
int i ;
integer p ;
@@ -1092,10 +1053,9 @@ void beginpage() {
* This routine sends out a page. We need to handle the
* landscape special, though.
*/
-void dopage(num)
-integer num ;
+static void dopage(integer num)
{
- register integer p,q ;
+ register integer p ;
register int len ;
integer v, oldp ;
unsigned char c;
@@ -1119,11 +1079,7 @@ integer num ;
prettycolumn = 0 ;
}
prettycolumn += i + 1 ;
-#ifdef SHORTINT
(void)fprintf(stderr, "[%ld", num+1) ;
-#else /* ~SHORTINT */
- (void)fprintf(stderr, "[%d", num+1) ;
-#endif /* ~SHORTINT */
(void)fflush(stderr) ;
}
p = pageloc[num] + 45 ;
@@ -1193,7 +1149,7 @@ default: fprintf(stderr, "Bad dvi command was %d at %ld\n", len, p) ;
/*
* Here we end a page. Simple enough.
*/
-void endpage() {
+static void endpage(void) {
outputpages++ ;
outdvibyte(140) ;
}
@@ -1201,12 +1157,11 @@ void endpage() {
* This is our main routine for output, which runs through all the
* pages we need to output.
*/
-void writedvifile() {
+static void writedvifile(void) {
integer pagenum ;
int ppp ;
integer actualpageno, lastpageno ;
struct pagespec *ps ;
- integer p ;
Boolean beginp ;
writepreamble() ;
@@ -1259,9 +1214,7 @@ void writedvifile() {
}
writepostamble() ;
}
-int main(argc, argv)
-int argc ;
-char *argv[] ;
+int main(int argc, char *argv[])
{
processargs(argc, argv) ;
readdvifile() ;