#include "msd_dir.h"
#ifndef __TURBOC__
#include <malloc.h>
-#else
-#include <stdlib.h>
#endif
#include <string.h>
#include <dos.h>
#ifndef NULL
# define NULL 0
-#endif /* NULL */
+#endif /* NULL */
#ifndef MAXPATHLEN
# define MAXPATHLEN 255
-#endif /* MAXPATHLEN */
+#endif /* MAXPATHLEN */
/* attribute stuff */
#define A_RONLY 0x01
#define ATTRIBUTES (A_RONLY | A_SYSTEM | A_DIR)
/* what find first/next calls look use */
-typedef struct
- {
- char d_buf[21];
- char d_attribute;
- unsigned short d_time;
- unsigned short d_date;
- long d_size;
- char d_name[13];
- }
-
-Dta_buf;
-
-static char *getdirent ();
-static void mysetdta ();
-static void free_dircontents ();
-
-static Dta_buf dtabuf;
-static Dta_buf *dtapnt = &dtabuf;
-static union REGS reg, nreg;
+typedef struct {
+ char d_buf[21];
+ char d_attribute;
+ unsigned short d_time;
+ unsigned short d_date;
+ long d_size;
+ char d_name[13];
+} Dta_buf;
+
+static char *getdirent();
+static void mysetdta();
+static void free_dircontents();
+
+static Dta_buf dtabuf;
+static Dta_buf *dtapnt = &dtabuf;
+static union REGS reg, nreg;
#if defined(M_I86LM)
-static struct SREGS sreg;
+static struct SREGS sreg;
#endif
-DIR *
-opendir (name)
- char *name;
+DIR *
+opendir(name)
+ char *name;
{
- struct stat statb;
- DIR *dirp;
- char c;
- char *s;
- struct _dircontents *dp;
- char nbuf[MAXPATHLEN + 1];
-
- if (stat (name, &statb) < 0 || (statb.st_mode & S_IFMT) != S_IFDIR)
- return (DIR *) NULL;
- if (Newisnull (dirp, DIR))
- return (DIR *) NULL;
- if (*name && (c = name[strlen (name) - 1]) != '\\' && c != '/')
- (void) strcat (strcpy (nbuf, name), "\\*.*");
- else
- (void) strcat (strcpy (nbuf, name), "*.*");
- dirp->dd_loc = 0;
- mysetdta ();
- dirp->dd_contents = dirp->dd_cp = (struct _dircontents *) NULL;
- if ((s = getdirent (nbuf)) == (char *) NULL)
- return dirp;
- do
- {
- if (Newisnull (dp, struct _dircontents) || (dp->_d_entry =
- malloc ((unsigned) (strlen (s) + 1))) == (char *) NULL)
- {
- if (dp)
- free ((char *) dp);
- free_dircontents (dirp->dd_contents);
- return (DIR *) NULL;
- }
- if (dirp->dd_contents)
- dirp->dd_cp = dirp->dd_cp->_d_next = dp;
- else
- dirp->dd_contents = dirp->dd_cp = dp;
- (void) strcpy (dp->_d_entry, s);
- dp->_d_next = (struct _dircontents *) NULL;
- }
- while ((s = getdirent ((char *) NULL)) != (char *) NULL);
- dirp->dd_cp = dirp->dd_contents;
-
- return dirp;
+ struct stat statb;
+ DIR *dirp;
+ char c;
+ char *s;
+ struct _dircontents *dp;
+ char nbuf[MAXPATHLEN + 1];
+
+ if (stat(name, &statb) < 0 || (statb.st_mode & S_IFMT) != S_IFDIR)
+ return (DIR *) NULL;
+ if (Newisnull(dirp, DIR))
+ return (DIR *) NULL;
+ if (*name && (c = name[strlen(name) - 1]) != '\\' && c != '/')
+ (void) strcat(strcpy(nbuf, name), "\\*.*");
+ else
+ (void) strcat(strcpy(nbuf, name), "*.*");
+ dirp->dd_loc = 0;
+ mysetdta();
+ dirp->dd_contents = dirp->dd_cp = (struct _dircontents *) NULL;
+ if ((s = getdirent(nbuf)) == (char *) NULL)
+ return dirp;
+ do {
+ if (Newisnull(dp, struct _dircontents) || (dp->_d_entry =
+ malloc((unsigned) (strlen(s) + 1))) == (char *) NULL)
+ {
+ if (dp)
+ free((char *) dp);
+ free_dircontents(dirp->dd_contents);
+ return (DIR *) NULL;
+ }
+ if (dirp->dd_contents)
+ dirp->dd_cp = dirp->dd_cp->_d_next = dp;
+ else
+ dirp->dd_contents = dirp->dd_cp = dp;
+ (void) strcpy(dp->_d_entry, s);
+ dp->_d_next = (struct _dircontents *) NULL;
+ } while ((s = getdirent((char *) NULL)) != (char *) NULL);
+ dirp->dd_cp = dirp->dd_contents;
+
+ return dirp;
}
void
-closedir (dirp)
- DIR *dirp;
+closedir(dirp)
+ DIR *dirp;
{
- free_dircontents (dirp->dd_contents);
- free ((char *) dirp);
+ free_dircontents(dirp->dd_contents);
+ free((char *) dirp);
}
-struct dirent *
-readdir (dirp)
- DIR *dirp;
+struct dirent *
+readdir(dirp)
+ DIR *dirp;
{
- static struct dirent dp;
-
- if (dirp->dd_cp == (struct _dircontents *) NULL)
- return (struct dirent *) NULL;
- dp.d_namlen = dp.d_reclen =
- strlen (strcpy (dp.d_name, dirp->dd_cp->_d_entry));
- strlwr (dp.d_name); /* JF */
- dp.d_ino = 0;
- dirp->dd_cp = dirp->dd_cp->_d_next;
- dirp->dd_loc++;
-
- return &dp;
+ static struct dirent dp;
+
+ if (dirp->dd_cp == (struct _dircontents *) NULL)
+ return (struct dirent *) NULL;
+ dp.d_namlen = dp.d_reclen =
+ strlen(strcpy(dp.d_name, dirp->dd_cp->_d_entry));
+ strlwr(dp.d_name); /* JF */
+ dp.d_ino = 0;
+ dirp->dd_cp = dirp->dd_cp->_d_next;
+ dirp->dd_loc++;
+
+ return &dp;
}
void
-seekdir (dirp, off)
- DIR *dirp;
- long off;
+seekdir(dirp, off)
+ DIR *dirp;
+ long off;
{
- long i = off;
- struct _dircontents *dp;
-
- if (off < 0)
- return;
- for (dp = dirp->dd_contents; --i >= 0 && dp; dp = dp->_d_next)
- ;
- dirp->dd_loc = off - (i + 1);
- dirp->dd_cp = dp;
+ long i = off;
+ struct _dircontents *dp;
+
+ if (off < 0)
+ return;
+ for (dp = dirp->dd_contents ; --i >= 0 && dp ; dp = dp->_d_next)
+ ;
+ dirp->dd_loc = off - (i + 1);
+ dirp->dd_cp = dp;
}
long
-telldir (dirp)
- DIR *dirp;
+telldir(dirp)
+ DIR *dirp;
{
- return dirp->dd_loc;
+ return dirp->dd_loc;
}
-static void
-free_dircontents (dp)
- struct _dircontents *dp;
+static void
+free_dircontents(dp)
+ struct _dircontents *dp;
{
- struct _dircontents *odp;
-
- while (dp)
- {
- if (dp->_d_entry)
- free (dp->_d_entry);
- dp = (odp = dp)->_d_next;
- free ((char *) odp);
- }
+ struct _dircontents *odp;
+
+ while (dp) {
+ if (dp->_d_entry)
+ free(dp->_d_entry);
+ dp = (odp = dp)->_d_next;
+ free((char *) odp);
+ }
}
-static char *
-getdirent (dir)
- char *dir;
+static char *
+getdirent(dir)
+ char *dir;
{
- if (dir != (char *) NULL)
- { /* get first entry */
- reg.h.ah = DOSI_FINDF;
- reg.h.cl = ATTRIBUTES;
+ if (dir != (char *) NULL) { /* get first entry */
+ reg.h.ah = DOSI_FINDF;
+ reg.h.cl = ATTRIBUTES;
#if defined(M_I86LM)
- reg.x.dx = FP_OFF (dir);
- sreg.ds = FP_SEG (dir);
+ reg.x.dx = FP_OFF(dir);
+ sreg.ds = FP_SEG(dir);
#else
- reg.x.dx = (unsigned) dir;
+ reg.x.dx = (unsigned) dir;
#endif
- }
- else
- { /* get next entry */
- reg.h.ah = DOSI_FINDN;
+ } else { /* get next entry */
+ reg.h.ah = DOSI_FINDN;
#if defined(M_I86LM)
- reg.x.dx = FP_OFF (dtapnt);
- sreg.ds = FP_SEG (dtapnt);
+ reg.x.dx = FP_OFF(dtapnt);
+ sreg.ds = FP_SEG(dtapnt);
#else
- reg.x.dx = (unsigned) dtapnt;
+ reg.x.dx = (unsigned) dtapnt;
#endif
- }
+ }
#if defined(M_I86LM)
- intdosx (®, &nreg, &sreg);
+ intdosx(®, &nreg, &sreg);
#else
- intdos (®, &nreg);
+ intdos(®, &nreg);
#endif
- if (nreg.x.cflag)
- return (char *) NULL;
+ if (nreg.x.cflag)
+ return (char *) NULL;
- return dtabuf.d_name;
+ return dtabuf.d_name;
}
-static void
-mysetdta ()
+static void
+mysetdta()
{
- reg.h.ah = DOSI_SDTA;
+ reg.h.ah = DOSI_SDTA;
#if defined(M_I86LM)
- reg.x.dx = FP_OFF (dtapnt);
- sreg.ds = FP_SEG (dtapnt);
- intdosx (®, &nreg, &sreg);
+ reg.x.dx = FP_OFF(dtapnt);
+ sreg.ds = FP_SEG(dtapnt);
+ intdosx(®, &nreg, &sreg);
#else
- reg.x.dx = (int) dtapnt;
- intdos (®, &nreg);
+ reg.x.dx = (int) dtapnt;
+ intdos(®, &nreg);
#endif
}
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