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Add ueberzug support

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This commit is contained in:
Nikita Ivanov
2022-05-26 02:57:50 +05:00
parent 6a5fb93850
commit 0ab9be934f
15 changed files with 284 additions and 41 deletions
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33
utils.c
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@@ -10,12 +10,21 @@ char *program;
int spawn_redirect(const void *arg)
{
int **fds = (int **)arg;
int *pipe = fds[0];
int *fd = fds[1];
int *fds = (int *)arg;
ERRCHK_RET(close(pipe[0]) == -1, FUNCFAILED("close"), ERRNOS);
ERRCHK_RET(dup2(pipe[1], *fd) == -1, FUNCFAILED("dup2"), ERRNOS);
ERRCHK_RET(close(fds[0]) == -1, FUNCFAILED("close"), ERRNOS);
ERRCHK_RET(dup2(fds[1], fds[2]) == -1, FUNCFAILED("dup2"), ERRNOS);
return OK;
}
int spawn_wait(pid_t pid, int *exitcode)
{
int stat;
ERRCHK_RET(waitpid(pid, &stat, 0) == -1, FUNCFAILED("waitpid"), ERRNOS);
if (exitcode && WIFEXITED(stat))
*exitcode = WEXITSTATUS(stat);
return OK;
}
@@ -43,20 +52,18 @@ int spawn(char *args[], pid_t *cpid, int *exitcode, int (*cfunc)(const void *),
exit(EXIT_FAILURE);
execvp(args[0], args);
if (errno == ENOENT)
exit(NOTEXIST_EC);
PRINTINTERR(FUNCFAILED("exec"), ERRNOS);
exit(EXIT_FAILURE);
}
if (cpid) {
if (cpid)
*cpid = pid;
} else {
int stat;
ERRCHK_RET(waitpid(pid, &stat, 0) == -1, FUNCFAILED("waitpid"),
ERRNOS);
if (exitcode && WIFEXITED(stat))
*exitcode = WEXITSTATUS(stat);
}
if (exitcode)
ERRCHK_RET_OK(spawn_wait(pid, exitcode));
return OK;
}