/* Page through a file like the more command
* cmdstr command string to process
* ipwdstr Initial PWD
*/
void rosh_more(const char *cmdstr)
{
int fd;
char filestr[ROSH_PATH_SZ];
int cmdpos;
int rows, cols;
char *scrbuf;
int ret;
ROSH_DEBUG("CMD: '%s'\n", cmdstr);
/* Initialization */
filestr[0] = 0;
cmdpos = 0;
ret = getscreensize(1, &rows, &cols);
if (ret) {
ROSH_DEBUG("getscreensize() fail(%d); fall back\n", ret);
ROSH_DEBUG("\tROWS='%d'\tCOLS='%d'\n", rows, cols);
/* If either fail, go under normal size, just in case */
if (!rows)
rows = 20;
if (!cols)
cols = 75;
}
ROSH_DEBUG("\tUSE ROWS='%d'\tCOLS='%d'\n", rows, cols);
/* 32 bit align beginning of row and over allocate */
scrbuf = malloc(rows * ((cols+3)&(INT_MAX - 3)));
if (!scrbuf)
return;
/* skip the first word */
cmdpos = rosh_parse_sp_1(filestr, cmdstr, cmdpos);
cmdpos = rosh_parse_sp_1(filestr, cmdstr, cmdpos);
if (strlen(filestr) > 0) {
/* There is no need to mess up the console if we don't have a
file */
rosh_console_raw();
while (strlen(filestr) > 0) {
printf("--File = '%s'\n", filestr);
fd = open(filestr, O_RDONLY);
if (fd != -1) {
rosh_more_fd(fd, rows, cols, scrbuf);
close(fd);
} else {
rosh_error(errno, "more", filestr);
errno = 0;
}
cmdpos = rosh_parse_sp_1(filestr, cmdstr, cmdpos);
}
rosh_console_std();
}
free(scrbuf);
} /* rosh_more */
/* Page through a file like the more command
* cmdstr command string to process
* ipwdstr Initial PWD
*/
void rosh_more(const char *cmdstr)
{
int fd;
char filestr[ROSH_PATH_SZ];
int cmdpos;
int rows, cols;
ROSH_DEBUG("CMD: '%s'\n", cmdstr);
/* Initialization */
filestr[0] = 0;
cmdpos = 0;
if (getscreensize(1, &rows, &cols)) {
ROSH_DEBUG("getscreensize() fail; fall back\n");
ROSH_DEBUG("\tROWS='%d'\tCOLS='%d'\n", rows, cols);
/* If either fail, go under normal size, just in case */
if (!rows)
rows = 20;
if (!cols)
cols = 75;
}
ROSH_DEBUG("\tUSE ROWS='%d'\tCOLS='%d'\n", rows, cols);
/* skip the first word */
cmdpos = rosh_parse_sp_1(filestr, cmdstr, cmdpos);
cmdpos = rosh_parse_sp_1(filestr, cmdstr, cmdpos);
if (strlen(filestr) > 0) {
/* There is no need to mess up the console if we don't have a
file */
rosh_console_raw();
while (strlen(filestr) > 0) {
printf("--File = '%s'\n", filestr);
fd = open(filestr, O_RDONLY);
if (fd != -1) {
rosh_more_fd(fd, rows, cols);
close(fd);
} else {
rosh_error(errno, "more", filestr);
errno = 0;
}
cmdpos = rosh_parse_sp_1(filestr, cmdstr, cmdpos);
}
rosh_console_std();
}
} /* rosh_more */
