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Pass file paths to key handler via stdin; fixes issue #187

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This commit is contained in:
Bert Münnich
2014-11-27 22:37:20 +01:00
parent 51854c6148
commit 216ad81b59
3 changed files with 71 additions and 55 deletions
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85
main.c
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@ -481,12 +481,13 @@ void clear_resize(void)
void run_key_handler(const char *key, unsigned int mask)
{
pid_t pid;
int i, j, retval, status;
int fcnt = mode == MODE_THUMB && markcnt > 0 ? markcnt : 1;
FILE *pfs;
bool marked = mode == MODE_THUMB && markcnt > 0;
bool changed = false;
char **args, kstr[32], oldbar[BAR_L_LEN];
struct stat *oldst, newst;
struct { int fn; struct stat st; } *finfo;
int f, i, pfd[2], retval, status;
int fcnt = marked ? markcnt : 1;
char kstr[32], oldbar[BAR_L_LEN];
struct stat *oldst, st;
if (keyhandler.cmd == NULL) {
if (!keyhandler.warned) {
@ -498,55 +499,66 @@ void run_key_handler(const char *key, unsigned int mask)
if (key == NULL)
return;
finfo = s_malloc(fcnt * sizeof(*finfo));
args = s_malloc((fcnt + 3) * sizeof(*args));
args[0] = keyhandler.cmd;
args[1] = kstr;
args[fcnt+2] = NULL;
if (mode == MODE_IMAGE || markcnt == 0) {
finfo[0].fn = fileidx;
stat(files[fileidx].path, &finfo[0].st);
args[2] = (char*) files[fileidx].path;
} else for (i = j = 0; i < filecnt; i++) {
if (files[i].marked) {
finfo[j].fn = i;
stat(files[i].path, &finfo[j++].st);
args[j+1] = (char*) files[i].path;
}
if (pipe(pfd) < 0) {
warn("could not create pipe for key handler");
return;
}
snprintf(kstr, sizeof(kstr), "%s%s%s%s",
mask & ControlMask ? "C-" : "",
mask & Mod1Mask ? "M-" : "",
mask & ShiftMask ? "S-" : "", key);
if ((pfs = fdopen(pfd[1], "w")) == NULL) {
close(pfd[0]), close(pfd[1]);
warn("could not open pipe for key handler");
return;
}
oldst = s_malloc(fcnt * sizeof(*oldst));
memcpy(oldbar, win.bar.l.buf, sizeof(oldbar));
strncpy(win.bar.l.buf, "Running key handler...", win.bar.l.size);
win_draw(&win);
win_set_cursor(&win, CURSOR_WATCH);
snprintf(kstr, sizeof(kstr), "%s%s%s%s",
mask & ControlMask ? "C-" : "",
mask & Mod1Mask ? "M-" : "",
mask & ShiftMask ? "S-" : "", key);
if ((pid = fork()) == 0) {
execv(keyhandler.cmd, args);
close(pfd[1]);
dup2(pfd[0], 0);
execl(keyhandler.cmd, keyhandler.cmd, kstr, NULL);
warn("could not exec key handler");
exit(EXIT_FAILURE);
} else if (pid < 0) {
}
close(pfd[0]);
if (pid < 0) {
fclose(pfs);
warn("could not fork key handler");
goto end;
}
for (f = i = 0; f < fcnt; i++) {
if ((marked && files[i].marked) || (!marked && i == fileidx)) {
stat(files[i].path, &oldst[f]);
fprintf(pfs, "%s\n", files[i].name);
f++;
}
}
fclose(pfs);
waitpid(pid, &status, 0);
retval = WEXITSTATUS(status);
if (WIFEXITED(status) == 0 || retval != 0)
warn("key handler exited with non-zero return value: %d", retval);
for (i = 0; i < fcnt; i++) {
oldst = &finfo[i].st;
if (stat(files[finfo[i].fn].path, &newst) != 0 ||
memcmp(&oldst->st_mtime, &newst.st_mtime, sizeof(newst.st_mtime)) != 0)
{
if (tns.thumbs != NULL) {
tns_unload(&tns, finfo[i].fn);
tns.loadnext = MIN(tns.loadnext, finfo[i].fn);
for (f = i = 0; f < fcnt; i++) {
if ((marked && files[i].marked) || (!marked && i == fileidx)) {
if (stat(files[i].path, &st) != 0 ||
memcmp(&oldst[f].st_mtime, &st.st_mtime, sizeof(st.st_mtime)) != 0)
{
if (tns.thumbs != NULL) {
tns_unload(&tns, i);
tns.loadnext = MIN(tns.loadnext, i);
}
changed = true;
}
changed = true;
f++;
}
}
end:
@ -558,10 +570,9 @@ end:
memcpy(win.bar.l.buf, oldbar, win.bar.l.size);
}
}
free(oldst);
reset_cursor();
redraw();
free(finfo);
free(args);
}
#define MODMASK(mask) ((mask) & (ShiftMask|ControlMask|Mod1Mask))