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-rw-r--r--src/utils.c87
1 files changed, 74 insertions, 13 deletions
diff --git a/src/utils.c b/src/utils.c
index 2d2f615..2d30bfc 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -1,7 +1,7 @@
/*
* Calcurse - text-based organizer
*
- * Copyright (c) 2004-2020 calcurse Development Team <misc@calcurse.org>
+ * Copyright (c) 2004-2023 calcurse Development Team <misc@calcurse.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -626,6 +626,42 @@ long min2sec(unsigned minutes)
return minutes * MININSEC;
}
+int modify_wday(int wday, int shift)
+{
+ return (WEEKINDAYS + wday + shift) % WEEKINDAYS;
+}
+
+/* returns char* representing a wday, used for internal functions */
+char *get_wday_default_string(int wday)
+{
+ switch(wday) {
+ case MONDAY:
+ return "Monday";
+ break;
+ case TUESDAY:
+ return "Tuesday";
+ break;
+ case WEDNESDAY:
+ return "Wednesday";
+ break;
+ case THURSDAY:
+ return "Thursday";
+ break;
+ case FRIDAY:
+ return "Friday";
+ break;
+ case SATURDAY:
+ return "Saturday";
+ break;
+ case SUNDAY:
+ return "Sunday";
+ break;
+ default:
+ return "Sunday";
+ break;
+ }
+}
+
/*
* Display a scroll bar when there are so many items that they
* can not be displayed inside the corresponding panel.
@@ -1317,21 +1353,32 @@ void psleep(unsigned secs)
/*
* Fork and execute an external process.
*
- * If pfdin and/or pfdout point to a valid address, a pipe is created and the
- * appropriate file descriptors are written to pfdin/pfdout.
+ * If pfdin/pfdout/pfderr point to a valid address, a pipe is created and the
+ * appropriate file descriptors are written to pfdin/pfdout/pfderr.
+ *
+ * If new_session is non-zero, setsid() is called after forking.
*/
-int fork_exec(int *pfdin, int *pfdout, const char *path,
- const char *const *arg)
+int fork_exec(int *pfdin, int *pfdout, int *pfderr, int new_session,
+ const char *path, const char *const *arg)
{
- int pin[2], pout[2];
+ int pin[2], pout[2], perr[2];
int pid;
if (pfdin && (pipe(pin) == -1))
return 0;
if (pfdout && (pipe(pout) == -1))
return 0;
+ if (pfderr && (pipe(perr) == -1))
+ return 0;
if ((pid = fork()) == 0) {
+ if (pfderr) {
+ if (dup2(perr[0], STDERR_FILENO) < 0)
+ _exit(127);
+ close(perr[0]);
+ close(perr[1]);
+ }
+
if (pfdout) {
if (dup2(pout[0], STDIN_FILENO) < 0)
_exit(127);
@@ -1346,6 +1393,11 @@ int fork_exec(int *pfdin, int *pfdout, const char *path,
close(pin[1]);
}
+ if (new_session) {
+ if ((setsid() < 0))
+ _exit(127);
+ }
+
execvp(path, (char *const *)arg);
_exit(127);
} else {
@@ -1353,6 +1405,8 @@ int fork_exec(int *pfdin, int *pfdout, const char *path,
close(pin[1]);
if (pfdout)
close(pout[0]);
+ if (pfderr)
+ close(perr[0]);
if (pid > 0) {
if (pfdin) {
@@ -1363,11 +1417,17 @@ int fork_exec(int *pfdin, int *pfdout, const char *path,
fcntl(pout[1], F_SETFD, FD_CLOEXEC);
*pfdout = pout[1];
}
+ if (pfderr) {
+ fcntl(perr[1], F_SETFD, FD_CLOEXEC);
+ *pfderr = perr[1];
+ }
} else {
if (pfdin)
close(pin[0]);
if (pfdout)
close(pout[1]);
+ if (pfderr)
+ close(perr[1]);
return 0;
}
}
@@ -1376,8 +1436,8 @@ int fork_exec(int *pfdin, int *pfdout, const char *path,
/* Execute an external program in a shell. */
int
-shell_exec(int *pfdin, int *pfdout, const char *path,
- const char *const *arg)
+shell_exec(int *pfdin, int *pfdout, int *pfderr, int new_session,
+ const char *path, const char *const *arg)
{
int argc, i;
const char **narg;
@@ -1406,7 +1466,7 @@ shell_exec(int *pfdin, int *pfdout, const char *path,
narg[3] = NULL;
}
- ret = fork_exec(pfdin, pfdout, *narg, narg);
+ ret = fork_exec(pfdin, pfdout, pfderr, new_session, *narg, narg);
if (arg0)
mem_free(arg0);
@@ -1416,7 +1476,7 @@ shell_exec(int *pfdin, int *pfdout, const char *path,
}
/* Wait for a child process to terminate. */
-int child_wait(int *pfdin, int *pfdout, int pid)
+int child_wait(int *pfdin, int *pfdout, int *pfderr, int pid)
{
int stat;
@@ -1424,6 +1484,8 @@ int child_wait(int *pfdin, int *pfdout, int pid)
close(*pfdin);
if (pfdout)
close(*pfdout);
+ if (pfderr)
+ close(*pfderr);
if (waitpid(pid, &stat, 0) == pid)
return stat;
@@ -1643,7 +1705,7 @@ static void print_date(time_t date, time_t day, const char *extformat)
if (!strcmp(extformat, "epoch")) {
printf("%ld", (long)date);
} else {
- time_t day_start = update_time_in_date(day, 0, 0);
+ time_t day_start = DAY(day);
time_t day_end = date_sec_change(day_start, 0, 1);
struct tm lt;
@@ -2079,8 +2141,7 @@ char *day_ins(char **template, time_t t)
{
char *day, *msg;
- day = date_sec2date_str(update_time_in_date(t, 0 , 0),
- DATEFMT(conf.input_datefmt));
+ day = date_sec2date_str(DAY(t), DATEFMT(conf.input_datefmt));
asprintf(&msg, *template, day);
mem_free(day);
return msg;