kolibrios-fun/programs/system/shell/cmd/cmd_more.c
Coldy 7805691d08 shell:
- fixed definitions
- stack locals changed to heap variables (reduced app size)

git-svn-id: svn://kolibrios.org@9808 a494cfbc-eb01-0410-851d-a64ba20cac60
2022-05-08 08:22:31 +00:00

94 lines
1.7 KiB
C
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int cmd_more(char file[]) {
kol_struct70 k70;
kol_struct_BDVK bdvk;
unsigned result, i;
unsigned long long filesize, pos;
char buf[81]; //<2F><><EFBFBD><EFBFBD>
char* temp = (char*) malloc(FILENAME_MAX);
unsigned flags;
if (strlen(file)<1) {
printf (CMD_MORE_USAGE);
return TRUE;
}
if ( '/' == file[0])
{
strcpy(temp, file);
if ( !file_check(temp) )
{
file_not_found(file);
return FALSE;
}
}
else
{
strcpy(temp, cur_dir);
if (temp[strlen(temp)-1] != '/')
strcat(temp, "/"); // add slash
strcat(temp, file);
if ( !file_check(temp) )
{
file_not_found(file);
return FALSE;
}
}
k70.p00 = 5;
k70.p04 = k70.p12 = 0;
//k70.p08 = 0;
k70.p16 = (unsigned) &bdvk;
k70.p20 = 0;
k70.p21 = temp;
result = kol_file_70(&k70); // <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><E0ACA0> <20><><E4A0A9>
if ( 0 != result )
return FALSE;
filesize = bdvk.p32; // <20><><EFBFBD><EFBFBD><EFBFBD><><E0A0A7><EFBFBD><><E4A0A9>
buf[80]=0;
flags = con_get_flags();
for (pos=0;pos<filesize;pos+=80)
{
memset(buf, 0, 80);
k70.p00 = 0;
k70.p04 = pos;
// k70.p08 = 0; // bug for over 4Gb files, but "more" is unusable there
k70.p12 = 80;
k70.p16 = (unsigned) buf;
k70.p20 = 0;
k70.p21 = temp;
result = kol_file_70(&k70); // <20><EFBFBD><E2A5AD> 80 ᨬ<><E1A8AC><EFBFBD><EFBFBD><EFBFBD>
for (i=0; i<80; i++)
{
if (27 == buf[i])
con_set_flags(flags|0x100);
else con_set_flags(flags);
printf ("%c", buf[i]);
}
if ( 0 != result )
{
con_set_flags(flags);
printf ("\n\r");
return TRUE;
}
}
con_set_flags(flags);
printf ("\n\r");
free(temp);
return TRUE;
}