Subversion Repositories SvarDOS

Rev

Rev 2225 | Rev 2241 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2225 Rev 2230
Line 89... Line 89...
89 
/*  char fname[13]; */
 89 
/*  char fname[13]; */
90 
  char fname[12];
 90 
  char fname[12];
91 
};
 91 
};
92 
 
 92 
 
93 
 
 93 
 
- 
 
 94 
static void far *cmd_dir_farmalloc(unsigned short segcount);
- 
 
 95 
#pragma aux cmd_dir_farmalloc = \
- 
 
 96 
"mov ah, 0x48" \
- 
 
 97 
"int 0x21" \
- 
 
 98 
"jnc DONE" \
- 
 
 99 
"xor ax, ax" \
- 
 
 100 
"DONE:" \
- 
 
 101 
"xor bx, bx" \
- 
 
 102 
"mov es, ax" \
- 
 
 103 
parm [bx] \
- 
 
 104 
modify [ax] \
- 
 
 105 
value [es bx] \
- 
 
 106 
 
- 
 
 107 
 
- 
 
 108 
static void cmd_dir_farfree(void far *ptr);
- 
 
 109 
#pragma aux cmd_dir_farfree = \
- 
 
 110 
"mov ah, 0x49" \
- 
 
 111 
"int 0x21" \
- 
 
 112 
parm [es ax] \
- 
 
 113 
modify [ax]
- 
 
 114 
 
- 
 
 115 
 
- 
 
 116 
 
94 
/* fills freebytes with free bytes for drv (A=0, B=1, etc)
117 
/* fills freebytes with free bytes for drv (A=0, B=1, etc)
95 
 * returns DOS ERR code on failure */
 118 
 * returns DOS ERR code on failure */
96 
static unsigned short cmd_dir_df(unsigned long *freebytes, unsigned char drv) {
 119 
static unsigned short cmd_dir_df(unsigned long *freebytes, unsigned char drv) {
97 
  unsigned short res = 0;
 120 
  unsigned short res = 0;
98 
  unsigned short sects_per_clust = 0, avail_clusts = 0, bytes_per_sect = 0;
 121 
  unsigned short sects_per_clust = 0, avail_clusts = 0, bytes_per_sect = 0;
Line 780... Line 803...
780 
    /* allocate a memory buffer - try several sizes until one succeeds */
 803 
    /* allocate a memory buffer - try several sizes until one succeeds */
781 
    unsigned short max_dta_bufcount;
 804 
    unsigned short max_dta_bufcount;
782 
 
 805 
 
783 
    /* compute the amount of DTAs I can buffer */
 806 
    /* compute the amount of DTAs I can buffer */
784 
    for (max_dta_bufcount = MAX_SORTABLE_FILES; max_dta_bufcount != 0; max_dta_bufcount /= 2) {
 807 
    for (max_dta_bufcount = MAX_SORTABLE_FILES; max_dta_bufcount != 0; max_dta_bufcount /= 2) {
785 
      dtabuf = _fmalloc(max_dta_bufcount * sizeof(struct TINYDTA));
 808 
      dtabuf = cmd_dir_farmalloc(max_dta_bufcount * sizeof(struct TINYDTA) / 16);
786 
      if (dtabuf != NULL) break;
 809 
      if (dtabuf != NULL) break;
787 
    }
 810 
    }
788 
    /* printf("max_dta_bufcount = %u\n", max_dta_bufcount); */
 811 
    /* printf("max_dta_bufcount = %u\n", max_dta_bufcount); */
789 
 
 812 
 
790 
    if (dtabuf == NULL) {
 813 
    if (dtabuf == NULL) {
Line 1029... Line 1052...
1029 
  }
 1052 
  }
1030 
 
 1053 
 
1031 
  GAMEOVER:
 1054 
  GAMEOVER:
1032 
 
 1055 
 
1033 
  /* free the buffer memory (if used) */
 1056 
  /* free the buffer memory (if used) */
1034 
  if (glob_sortcmp_dat.dtabuf_root != NULL) _ffree(glob_sortcmp_dat.dtabuf_root);
 1057 
  if (glob_sortcmp_dat.dtabuf_root != NULL) cmd_dir_farfree(glob_sortcmp_dat.dtabuf_root);
1035 
 
 1058 
 
1036 
  free(buf);
 1059 
  free(buf);
1037 
  return(CMD_OK);
 1060 
  return(CMD_OK);
1038 
}
 1061 
}