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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2003-2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#include "platform_defs.h"
#include "input.h"
#include <ctype.h>
#include <stdbool.h>
#ifdef ENABLE_EDITLINE
# include <histedit.h>
#endif
extern char *progname;
static char *
get_prompt(void)
{
static char prompt[FILENAME_MAX + 2 /*"> "*/ + 1 /*"\0"*/ ];
if (!prompt[0])
snprintf(prompt, sizeof(prompt), "%s> ", progname);
return prompt;
}
#ifdef ENABLE_EDITLINE
static char *el_get_prompt(EditLine *e) { return get_prompt(); }
char *
fetchline(void)
{
static EditLine *el;
static History *hist;
HistEvent hevent;
const char *cmd;
char *line;
int count;
if (!el) {
hist = history_init();
history(hist, &hevent, H_SETSIZE, 100);
el = el_init(progname, stdin, stdout, stderr);
el_source(el, NULL);
el_set(el, EL_SIGNAL, 1);
el_set(el, EL_PROMPT, el_get_prompt);
el_set(el, EL_HIST, history, (const char *)hist);
el_set(el, EL_EDITOR, "emacs");
}
cmd = el_gets(el, &count);
if (!cmd)
return NULL;
line = strdup(cmd);
if (!line)
return NULL;
if (count > 0)
line[count-1] = '\0';
if (*line)
history(hist, &hevent, H_ENTER, line);
return line;
}
#else
# define MAXREADLINESZ 1024
char *
fetchline(void)
{
char *p, *line = malloc(MAXREADLINESZ);
if (!line)
return NULL;
printf("%s", get_prompt());
fflush(stdout);
if (!fgets(line, MAXREADLINESZ, stdin)) {
free(line);
return NULL;
}
p = line + strlen(line);
if (p != line && p[-1] == '\n')
p[-1] = '\0';
return line;
}
#endif
char **
breakline(
char *input,
int *count)
{
int c = 0;
char *p;
char **rval = calloc(1, sizeof(char *));
while (rval && (p = strsep(&input, " ")) != NULL) {
if (!*p)
continue;
c++;
rval = realloc(rval, sizeof(*rval) * (c + 1));
if (!rval) {
c = 0;
break;
}
rval[c - 1] = p;
rval[c] = NULL;
}
*count = c;
return rval;
}
void
doneline(
char *input,
char **vec)
{
free(input);
free(vec);
}
struct timeval
tsub(struct timeval t1, struct timeval t2)
{
t1.tv_usec -= t2.tv_usec;
if (t1.tv_usec < 0) {
t1.tv_usec += 1000000;
t1.tv_sec--;
}
t1.tv_sec -= t2.tv_sec;
return t1;
}
double
tdiv(double value, struct timeval tv)
{
return value / ((double)tv.tv_sec + ((double)tv.tv_usec / 1000000.0));
}
#define HOURS(sec) ((sec) / (60 * 60))
#define MINUTES(sec) (((sec) % (60 * 60)) / 60)
#define SECONDS(sec) ((sec) % 60)
#define USEC_TO_100THS(usec) ((usec) / 1000 / 10)
void
timestr(
struct timeval *tv,
char *ts,
size_t size,
int format)
{
if (format & TERSE_FIXED_TIME) {
if (!HOURS(tv->tv_sec)) {
snprintf(ts, size, "%u:%02u.%02u",
(unsigned int) MINUTES(tv->tv_sec),
(unsigned int) SECONDS(tv->tv_sec),
(unsigned int) USEC_TO_100THS(tv->tv_usec));
return;
}
format |= VERBOSE_FIXED_TIME; /* fallback if hours needed */
}
if ((format & VERBOSE_FIXED_TIME) || tv->tv_sec) {
snprintf(ts, size, "%u:%02u:%02u.%02u",
(unsigned int) HOURS(tv->tv_sec),
(unsigned int) MINUTES(tv->tv_sec),
(unsigned int) SECONDS(tv->tv_sec),
(unsigned int) USEC_TO_100THS(tv->tv_usec));
} else {
snprintf(ts, size, "0.%04u sec",
(unsigned int) tv->tv_usec / 100);
}
}
/*
* Convert from a pair of arbitrary user strings into a timespec.
*/
int
timespec_from_string(
const char *secs,
const char *nsecs,
struct timespec *ts)
{
char *p;
unsigned long long int ll;
if (!secs || !nsecs || !ts)
return 1;
ll = strtoull(secs, &p, 0);
if (*p)
return 1;
ts->tv_sec = ll;
if ((unsigned long long int)ts->tv_sec != ll)
return 1;
ll = strtoull(nsecs, &p, 0);
if (*p)
return 1;
ts->tv_nsec = ll;
if ((unsigned long long int)ts->tv_nsec != ll)
return 1;
return 0;
}
bool isdigits_only(
const char *str)
{
int i;
for (i = 0; i < strlen(str); i++) {
if (!isdigit(str[i]))
return false;
}
return true;
}
#define HAVE_FTW_H 1 /* TODO: configure me */
#ifndef HAVE_FTW_H
int
nftw(
char *dir,
int (*fn)(const char *, const struct stat *, int, struct FTW *),
int depth,
int flags)
{
fprintf(stderr, "%s: not implemented, no recursion available\n",
__FUNCTION__);
return 0;
}
#endif
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