diff options
Diffstat (limited to 'com32/lib/readdir.c')
| -rw-r--r-- | com32/lib/readdir.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/com32/lib/readdir.c b/com32/lib/readdir.c new file mode 100644 index 00000000..bfa52526 --- /dev/null +++ b/com32/lib/readdir.c @@ -0,0 +1,54 @@ +/* + * readdir.c + */ + +#include <dirent.h> +#include <stdio.h> +#include <errno.h> + +#include <com32.h> +#include <string.h> +#include <unistd.h> +#include <fcntl.h> + +struct dirent *readdir(DIR *dir) +{ + struct dirent *newde; + com32sys_t regs; + + newde = NULL; + if ((dir != NULL) && (dir->dd_fd != 0) && (dir->dd_stat >= 0)) { + memset(__com32.cs_bounce, 0, 32); + memset(®s, 0, sizeof(regs)); + + regs.eax.w[0] = 0x0021; + regs.esi.w[0] = dir->dd_fd; + regs.edi.w[0] = OFFS(__com32.cs_bounce); + regs.es = SEG(__com32.cs_bounce); + + __com32.cs_intcall(0x22, ®s, ®s); + + /* Don't do this as we won't be able to rewind. + dir->dd_fd = regs.esi.w[0]; /* Shouldn't be needed? */ + if ((!(regs.eflags.l & EFLAGS_CF)) && (regs.esi.w[0] != 0)) { + newde = calloc(1, sizeof(newde)); + if (newde != NULL) { + strcpy(newde->d_name, __com32.cs_bounce); + newde->d_mode = regs.edx.b[0]; + newde->d_size = regs.eax.l; + newde->d_ino = regs.ebx.l; + dir->dd_stat = 1; + } else { + dir->dd_stat = -2; + errno = ENOMEM; + } + } else { + dir->dd_stat = -1; + errno = EIO; /* Is this the right nmber? */ + } + } else { + errno = EBADF; + } + + return newde; +} |