1 files changed, 239 insertions, 219 deletions

diff --git a/libf2c/libI77/open.c b/libf2c/libI77/open.c
index 9e3ce67cd79..b03ec34b494 100644
--- a/libf2c/libI77/open.c
+++ b/libf2c/libI77/open.c
@@ -6,7 +6,7 @@
 #ifdef MSDOS
 #include "io.h"
 #else
-#include "unistd.h"	/* for access */
+#include "unistd.h"		/* for access */
 #endif
 #endif
 
@@ -14,267 +14,287 @@
 #undef min
 #undef max
 #include <stdlib.h>
-extern int f__canseek(FILE*);
-extern integer f_clos(cllist*);
+extern int f__canseek (FILE *);
+extern integer f_clos (cllist *);
 
 #ifdef NON_ANSI_RW_MODES
-char *f__r_mode[2] = {"r", "r"};
-char *f__w_mode[4] = {"w", "w", "r+w", "r+w"};
+char *f__r_mode[2] = { "r", "r" };
+char *f__w_mode[4] = { "w", "w", "r+w", "r+w" };
 #else
-char *f__r_mode[2] = {"rb", "r"};
-char *f__w_mode[4] = {"wb", "w", "r+b", "r+"};
+char *f__r_mode[2] = { "rb", "r" };
+char *f__w_mode[4] = { "wb", "w", "r+b", "r+" };
 #endif
 
- static char f__buf0[400], *f__buf = f__buf0;
- int f__buflen = (int)sizeof(f__buf0);
+static char f__buf0[400], *f__buf = f__buf0;
+int f__buflen = (int) sizeof (f__buf0);
 
- static void
-f__bufadj(int n, int c)
+static void
+f__bufadj (int n, int c)
 {
-	unsigned int len;
-	char *nbuf, *s, *t, *te;
+  unsigned int len;
+  char *nbuf, *s, *t, *te;
 
-	if (f__buf == f__buf0)
-		f__buflen = 1024;
-	while(f__buflen <= n)
-		f__buflen <<= 1;
-	len = (unsigned int)f__buflen;
-	if (len != f__buflen || !(nbuf = (char*)malloc(len)))
-		f__fatal(113, "malloc failure");
-	s = nbuf;
-	t = f__buf;
-	te = t + c;
-	while(t < te)
-		*s++ = *t++;
-	if (f__buf != f__buf0)
-		free(f__buf);
-	f__buf = nbuf;
-	}
+  if (f__buf == f__buf0)
+    f__buflen = 1024;
+  while (f__buflen <= n)
+    f__buflen <<= 1;
+  len = (unsigned int) f__buflen;
+  if (len != f__buflen || !(nbuf = (char *) malloc (len)))
+    f__fatal (113, "malloc failure");
+  s = nbuf;
+  t = f__buf;
+  te = t + c;
+  while (t < te)
+    *s++ = *t++;
+  if (f__buf != f__buf0)
+    free (f__buf);
+  f__buf = nbuf;
+}
 
- int
-f__putbuf(int c)
+int
+f__putbuf (int c)
 {
-	char *s, *se;
-	int n;
+  char *s, *se;
+  int n;
 
-	if (f__hiwater > f__recpos)
-		f__recpos = f__hiwater;
-	n = f__recpos + 1;
-	if (n >= f__buflen)
-		f__bufadj(n, f__recpos);
-	s = f__buf;
-	se = s + f__recpos;
-	if (c)
-		*se++ = c;
-	*se = 0;
-	for(;;) {
-		fputs(s, f__cf);
-		s += strlen(s);
-		if (s >= se)
-			break;	/* normally happens the first time */
-		putc(*s++, f__cf);
-		}
-	return 0;
-	}
+  if (f__hiwater > f__recpos)
+    f__recpos = f__hiwater;
+  n = f__recpos + 1;
+  if (n >= f__buflen)
+    f__bufadj (n, f__recpos);
+  s = f__buf;
+  se = s + f__recpos;
+  if (c)
+    *se++ = c;
+  *se = 0;
+  for (;;)
+    {
+      fputs (s, f__cf);
+      s += strlen (s);
+      if (s >= se)
+	break;			/* normally happens the first time */
+      putc (*s++, f__cf);
+    }
+  return 0;
+}
 
- void
-x_putc(int c)
+void
+x_putc (int c)
 {
-	if (f__recpos >= f__buflen)
-		f__bufadj(f__recpos, f__buflen);
-	f__buf[f__recpos++] = c;
-	}
+  if (f__recpos >= f__buflen)
+    f__bufadj (f__recpos, f__buflen);
+  f__buf[f__recpos++] = c;
+}
 
 #define opnerr(f,m,s) \
   do {if(f) {f__init &= ~2; errno= m;} else opn_err(m,s,a); return(m);} while(0)
 
- static void
-opn_err(int m, char *s, olist *a)
+static void
+opn_err (int m, char *s, olist * a)
 {
-	if (a->ofnm) {
-		/* supply file name to error message */
-		if (a->ofnmlen >= f__buflen)
-			f__bufadj((int)a->ofnmlen, 0);
-		g_char(a->ofnm, a->ofnmlen, f__curunit->ufnm = f__buf);
-		}
-	f__fatal(m, s);
-	}
+  if (a->ofnm)
+    {
+      /* supply file name to error message */
+      if (a->ofnmlen >= f__buflen)
+	f__bufadj ((int) a->ofnmlen, 0);
+      g_char (a->ofnm, a->ofnmlen, f__curunit->ufnm = f__buf);
+    }
+  f__fatal (m, s);
+}
 
-integer f_open(olist *a)
-{	unit *b;
-	integer rv;
-	char buf[256], *s, *env;
-	cllist x;
-	int ufmt;
-	FILE *tf;
-	int fd, len;
+integer
+f_open (olist * a)
+{
+  unit *b;
+  integer rv;
+  char buf[256], *s, *env;
+  cllist x;
+  int ufmt;
+  FILE *tf;
+  int fd, len;
 #ifndef NON_UNIX_STDIO
-	int n;
+  int n;
 #endif
-	if(f__init != 1) f_init();
-	f__external = 1;
-	if(a->ounit>=MXUNIT || a->ounit<0)
-		err(a->oerr,101,"open");
-	f__curunit = b = &f__units[a->ounit];
-	if(b->ufd) {
-		if(a->ofnm==0)
-		{
-		same:	if (a->oblnk)
-				b->ublnk = *a->oblnk == 'z' || *a->oblnk == 'Z';
-			return(0);
-		}
+  if (f__init != 1)
+    f_init ();
+  f__external = 1;
+  if (a->ounit >= MXUNIT || a->ounit < 0)
+    err (a->oerr, 101, "open");
+  f__curunit = b = &f__units[a->ounit];
+  if (b->ufd)
+    {
+      if (a->ofnm == 0)
+	{
+	same:if (a->oblnk)
+	    b->ublnk = *a->oblnk == 'z' || *a->oblnk == 'Z';
+	  return (0);
+	}
 #ifdef NON_UNIX_STDIO
-		if (b->ufnm
-		 && strlen(b->ufnm) == a->ofnmlen
-		 && !strncmp(b->ufnm, a->ofnm, (unsigned)a->ofnmlen))
-			goto same;
+      if (b->ufnm
+	  && strlen (b->ufnm) == a->ofnmlen
+	  && !strncmp (b->ufnm, a->ofnm, (unsigned) a->ofnmlen))
+	goto same;
 #else
-		g_char(a->ofnm,a->ofnmlen,buf);
-		if (f__inode(buf,&n) == b->uinode && n == b->udev)
-			goto same;
+      g_char (a->ofnm, a->ofnmlen, buf);
+      if (f__inode (buf, &n) == b->uinode && n == b->udev)
+	goto same;
 #endif
-		x.cunit=a->ounit;
-		x.csta=0;
-		x.cerr=a->oerr;
-		if ((rv = f_clos(&x)) != 0)
-			return rv;
-		}
-	b->url = (int)a->orl;
-	b->ublnk = a->oblnk && (*a->oblnk == 'z' || *a->oblnk == 'Z');
-	if(a->ofm==0)
-	{	if(b->url>0) b->ufmt=0;
-		else b->ufmt=1;
-	}
-	else if(*a->ofm=='f' || *a->ofm == 'F') b->ufmt=1;
-	else b->ufmt=0;
-	ufmt = b->ufmt;
+      x.cunit = a->ounit;
+      x.csta = 0;
+      x.cerr = a->oerr;
+      if ((rv = f_clos (&x)) != 0)
+	return rv;
+    }
+  b->url = (int) a->orl;
+  b->ublnk = a->oblnk && (*a->oblnk == 'z' || *a->oblnk == 'Z');
+  if (a->ofm == 0)
+    {
+      if (b->url > 0)
+	b->ufmt = 0;
+      else
+	b->ufmt = 1;
+    }
+  else if (*a->ofm == 'f' || *a->ofm == 'F')
+    b->ufmt = 1;
+  else
+    b->ufmt = 0;
+  ufmt = b->ufmt;
 #ifdef url_Adjust
-	if (b->url && !ufmt)
-		url_Adjust(b->url);
+  if (b->url && !ufmt)
+    url_Adjust (b->url);
 #endif
-	if (a->ofnm) {
-		g_char(a->ofnm,a->ofnmlen,buf);
-		if (!buf[0])
-			opnerr(a->oerr,107,"open");
-		}
-	else
-		sprintf(buf, "fort.%ld", (long)a->ounit);
-	b->uscrtch = 0;
-	b->uend=0;
-	b->uwrt = 0;
-	b->ufd = 0;
-	b->urw = 3;
-	switch(a->osta ? *a->osta : 'u')
-	{
-	case 'o':
-	case 'O':
+  if (a->ofnm)
+    {
+      g_char (a->ofnm, a->ofnmlen, buf);
+      if (!buf[0])
+	opnerr (a->oerr, 107, "open");
+    }
+  else
+    sprintf (buf, "fort.%ld", (long) a->ounit);
+  b->uscrtch = 0;
+  b->uend = 0;
+  b->uwrt = 0;
+  b->ufd = 0;
+  b->urw = 3;
+  switch (a->osta ? *a->osta : 'u')
+    {
+    case 'o':
+    case 'O':
 #ifdef NON_POSIX_STDIO
-		if (!(tf = fopen(buf,"r")))
-			opnerr(a->oerr,errno,"open");
-		fclose(tf);
+      if (!(tf = fopen (buf, "r")))
+	opnerr (a->oerr, errno, "open");
+      fclose (tf);
 #else
-		if (access(buf,0))
-			opnerr(a->oerr,errno,"open");
+      if (access (buf, 0))
+	opnerr (a->oerr, errno, "open");
 #endif
-		break;
-	 case 's':
-	 case 'S':
-		b->uscrtch=1;
-#ifdef HAVE_MKSTEMP             /* Allow use of TMPDIR preferentially. */
-		env = getenv("TMPDIR");
-		if (!env) env = getenv("TEMP");
-		if (!env) env = "/tmp";
-		len = strlen(env);
-		if (len > 256 - sizeof "/tmp.FXXXXXX")
-		  err (a->oerr, 132, "open");
-		strcpy(buf, env);
-		strcat(buf, "/tmp.FXXXXXX");
-		fd = mkstemp(buf);
-		if (fd == -1 || close(fd))
-		  err (a->oerr, 132, "open");
+      break;
+    case 's':
+    case 'S':
+      b->uscrtch = 1;
+#ifdef HAVE_MKSTEMP		/* Allow use of TMPDIR preferentially. */
+      env = getenv ("TMPDIR");
+      if (!env)
+	env = getenv ("TEMP");
+      if (!env)
+	env = "/tmp";
+      len = strlen (env);
+      if (len > 256 - sizeof "/tmp.FXXXXXX")
+	err (a->oerr, 132, "open");
+      strcpy (buf, env);
+      strcat (buf, "/tmp.FXXXXXX");
+      fd = mkstemp (buf);
+      if (fd == -1 || close (fd))
+	err (a->oerr, 132, "open");
 #else /* ! defined (HAVE_MKSTEMP) */
 #ifdef HAVE_TEMPNAM		/* Allow use of TMPDIR preferentially. */
-		s = tempnam (0, buf);
-		if (strlen (s) >= sizeof (buf))
-		  err (a->oerr, 132, "open");
-		(void) strcpy (buf, s);
-		free (s);
+      s = tempnam (0, buf);
+      if (strlen (s) >= sizeof (buf))
+	err (a->oerr, 132, "open");
+      (void) strcpy (buf, s);
+      free (s);
 #else /* ! defined (HAVE_TEMPNAM) */
 #ifdef HAVE_TMPNAM
-		tmpnam(buf);
+      tmpnam (buf);
 #else
-		(void) strcpy(buf,"tmp.FXXXXXX");
-		(void) mktemp(buf);
+      (void) strcpy (buf, "tmp.FXXXXXX");
+      (void) mktemp (buf);
 #endif
 #endif /* ! defined (HAVE_TEMPNAM) */
 #endif /* ! defined (HAVE_MKSTEMP) */
-		goto replace;
-	case 'n':
-	case 'N':
+      goto replace;
+    case 'n':
+    case 'N':
 #ifdef NON_POSIX_STDIO
-		if ((tf = fopen(buf,"r")) || (tf = fopen(buf,"a"))) {
-			fclose(tf);
-			opnerr(a->oerr,128,"open");
-			}
+      if ((tf = fopen (buf, "r")) || (tf = fopen (buf, "a")))
+	{
+	  fclose (tf);
+	  opnerr (a->oerr, 128, "open");
+	}
 #else
-		if (!access(buf,0))
-			opnerr(a->oerr,128,"open");
+      if (!access (buf, 0))
+	opnerr (a->oerr, 128, "open");
 #endif
-		/* no break */
-	case 'r':	/* Fortran 90 replace option */
-	case 'R':
- replace:
-		if (tf = fopen(buf,f__w_mode[0]))
-			fclose(tf);
-	}
+      /* no break */
+    case 'r':			/* Fortran 90 replace option */
+    case 'R':
+    replace:
+      if (tf = fopen (buf, f__w_mode[0]))
+	fclose (tf);
+    }
 
-	b->ufnm=(char *) malloc((unsigned int)(strlen(buf)+1));
-	if(b->ufnm==NULL) opnerr(a->oerr,113,"no space");
-	(void) strcpy(b->ufnm,buf);
-	if ((s = a->oacc) && b->url)
-		ufmt = 0;
-	if(!(tf = fopen(buf, f__w_mode[ufmt|2]))) {
-		if (tf = fopen(buf, f__r_mode[ufmt]))
-			b->urw = 1;
-		else if (tf = fopen(buf, f__w_mode[ufmt])) {
-			b->uwrt = 1;
-			b->urw = 2;
-			}
-		else
-			err(a->oerr, errno, "open");
-		}
-	b->useek = f__canseek(b->ufd = tf);
+  b->ufnm = (char *) malloc ((unsigned int) (strlen (buf) + 1));
+  if (b->ufnm == NULL)
+    opnerr (a->oerr, 113, "no space");
+  (void) strcpy (b->ufnm, buf);
+  if ((s = a->oacc) && b->url)
+    ufmt = 0;
+  if (!(tf = fopen (buf, f__w_mode[ufmt | 2])))
+    {
+      if (tf = fopen (buf, f__r_mode[ufmt]))
+	b->urw = 1;
+      else if (tf = fopen (buf, f__w_mode[ufmt]))
+	{
+	  b->uwrt = 1;
+	  b->urw = 2;
+	}
+      else
+	err (a->oerr, errno, "open");
+    }
+  b->useek = f__canseek (b->ufd = tf);
 #ifndef NON_UNIX_STDIO
-	if((b->uinode = f__inode(buf,&b->udev)) == -1)
-		opnerr(a->oerr,108,"open");
+  if ((b->uinode = f__inode (buf, &b->udev)) == -1)
+    opnerr (a->oerr, 108, "open");
 #endif
-	if(b->useek)
-		if (a->orl)
-			FSEEK(b->ufd, 0, SEEK_SET);
-		else if ((s = a->oacc) && (*s == 'a' || *s == 'A')
-			&& FSEEK(b->ufd, 0, SEEK_END))
-				opnerr(a->oerr,129,"open");
-	return(0);
+  if (b->useek)
+    if (a->orl)
+      FSEEK (b->ufd, 0, SEEK_SET);
+    else if ((s = a->oacc) && (*s == 'a' || *s == 'A')
+	     && FSEEK (b->ufd, 0, SEEK_END))
+      opnerr (a->oerr, 129, "open");
+  return (0);
 }
-fk_open(int seq, int fmt, ftnint n)
-{	char nbuf[10];
-	olist a;
-	int rtn;
-	int save_init;
 
-	(void) sprintf(nbuf,"fort.%ld",(long)n);
-	a.oerr=1;
-	a.ounit=n;
-	a.ofnm=nbuf;
-	a.ofnmlen=strlen(nbuf);
-	a.osta=NULL;
-	a.oacc= seq==SEQ?"s":"d";
-	a.ofm = fmt==FMT?"f":"u";
-	a.orl = seq==DIR?1:0;
-	a.oblnk=NULL;
-	save_init = f__init;
-	f__init &= ~2;
-	rtn = f_open(&a);
-	f__init = save_init | 1;
-	return rtn;
+fk_open (int seq, int fmt, ftnint n)
+{
+  char nbuf[10];
+  olist a;
+  int rtn;
+  int save_init;
+
+  (void) sprintf (nbuf, "fort.%ld", (long) n);
+  a.oerr = 1;
+  a.ounit = n;
+  a.ofnm = nbuf;
+  a.ofnmlen = strlen (nbuf);
+  a.osta = NULL;
+  a.oacc = seq == SEQ ? "s" : "d";
+  a.ofm = fmt == FMT ? "f" : "u";
+  a.orl = seq == DIR ? 1 : 0;
+  a.oblnk = NULL;
+  save_init = f__init;
+  f__init &= ~2;
+  rtn = f_open (&a);
+  f__init = save_init | 1;
+  return rtn;
 }