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#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include "config.h"
static void append(int, char *);
static void last(char *);
static void edit(char *);
static void usage(void);
void
append(int d, char *fullpath)
{
FILE *fp;
FILE *read;
char *line = NULL;
char timebuf[100];
size_t len = 0;
time_t t;
switch(d) {
case 0:
fputs("Enter note: ", stdout);
if (getline(&line, &len, stdin) <= 1) {
puts("\nNothing entered, exiting.");
free(line);
exit(0);
}
break;
case 1:
if (!(read = popen(dmenucmd, "r"))) {
perror("popen");
exit(1);
} else if (getline(&line, &len, read) <= 1) {
pclose(read);
free(line);
exit(0);
} else if (pclose(read) < 0) {
perror("pclose");
exit(1);
}
break;
default: abort();
}
if (!(fp = fopen(fullpath, "a"))) {
perror("fopen");
exit(1);
}
t = time(NULL);
if (!strftime(timebuf, sizeof(timebuf), TIMEFORMAT, localtime(&t))) {
fputs("strftime: result string exceeds buffer size\n", stderr);
exit(1);
}
fprintf(fp, "[%s] %s\n", timebuf, line);
free(line);
fclose(fp);
}
void
last(char *fullpath)
{
FILE *fp;
int count = 0;
long int pos;
char s[100];
if (!(fp = fopen(fullpath, "r"))) {
perror("fopen");
exit(1);
}
fseek(fp, 0, SEEK_END);
if (!(pos = ftell(fp)))
exit(0);
while (1) {
fseek(fp, --pos, SEEK_SET);
if (!pos)
break;
else if ((fgetc(fp) == '\n') && (count++ == 20))
break;
}
while (fgets(s, sizeof(s), fp) != NULL) {
printf("%s", s);
}
fclose(fp);
}
void
edit(char *fullpath)
{
char *editor;
if ((editor = getenv("EDITOR")) == NULL) {
editor = "vi";
}
char *cmd[] = { editor, fullpath, NULL };
execvp(cmd[0], cmd);
}
void
usage(void)
{
fputs("usage: note [option]\n"
" -a append to the main file\n"
" -d append using dmenu\n"
" -s show last 10 notes\n"
" -e edit the main file\n", stderr);
exit(1);
}
int
main(int argc, char *argv[])
{
int opt;
char fullpath[100];
if (argc != 2) {
usage();
}
snprintf(fullpath, sizeof(fullpath), "%s/%s", getenv("HOME"), filepath);
while ((opt = getopt(argc, argv, "adse")) != -1) {
switch (opt) {
case 'a':
append(0, fullpath);
break;
case 'd':
append(1, fullpath);
break;
case 's':
last(fullpath);
break;
case 'e':
edit(fullpath);
break;
default:
usage();
}
}
return 0;
}
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