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enlightenment/src/bin/e_exec.c

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/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
#include "e.h"
#define MAX_OUTPUT_CHARACTERS 5000
/* TODO:
* - Clear e_exec_instances on shutdown
* - Clear e_exec_start_pending on shutdown
* - Create border add handler
* - Launch .desktop in terminal if .desktop requires it
*/
typedef struct _E_Exec_Launch E_Exec_Launch;
typedef struct _E_Exec_Search E_Exec_Search;
struct _E_Exec_Launch
{
E_Zone *zone;
const char *launch_method;
};
struct _E_Exec_Search
{
Efreet_Desktop *desktop;
int startup_id;
pid_t pid;
};
struct _E_Config_Dialog_Data
{
Efreet_Desktop *desktop;
char *exec;
Ecore_Exe_Event_Del event;
Ecore_Exe_Event_Data *error;
Ecore_Exe_Event_Data *read;
char *label;
char *exit;
char *signal;
};
/* local subsystem functions */
static E_Exec_Instance *_e_exec_cb_exec(void *data, Efreet_Desktop *desktop, char *exec, int remaining);
static int _e_exec_cb_expire_timer(void *data);
static int _e_exec_cb_exit(void *data, int type, void *event);
static Evas_Bool _e_exec_startup_id_pid_find(const Evas_Hash *hash __UNUSED__, const char *key __UNUSED__, void *value, void *data);
static void _e_exec_error_dialog(Efreet_Desktop *desktop, const char *exec, Ecore_Exe_Event_Del *event, Ecore_Exe_Event_Data *error, Ecore_Exe_Event_Data *read);
static void _fill_data(E_Config_Dialog_Data *cfdata);
static void *_create_data(E_Config_Dialog *cfd);
static void _free_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata);
static Evas_Object *_basic_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);
static Evas_Object *_advanced_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);
static Evas_Object *_dialog_scrolltext_create(Evas *evas, char *title, Ecore_Exe_Event_Data_Line *lines);
static void _dialog_save_cb(void *data, void *data2);
/* local subsystem globals */
static Evas_List *e_exec_start_pending = NULL;
static Evas_Hash *e_exec_instances = NULL;
static int startup_id = 0;
static Ecore_Event_Handler *_e_exec_exit_handler = NULL;
static Ecore_Event_Handler *_e_exec_border_add_handler = NULL;
/* externally accessible functions */
EAPI int
e_exec_init(void)
{
_e_exec_exit_handler =
ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _e_exec_cb_exit, NULL);
#if 0
_e_exec_border_add_handler =
ecore_event_handler_add(E_EVENT_BORDER_ADD, _e_exec_cb_event_border_add, NULL);
#endif
return 1;
}
EAPI int
e_exec_shutdown(void)
{
char buf[256];
snprintf(buf, sizeof(buf), "%i", startup_id);
e_util_env_set("E_STARTUP_ID", buf);
if (_e_exec_exit_handler) ecore_event_handler_del(_e_exec_exit_handler);
if (_e_exec_border_add_handler) ecore_event_handler_del(_e_exec_border_add_handler);
evas_hash_free(e_exec_instances);
evas_list_free(e_exec_start_pending);
return 1;
}
EAPI E_Exec_Instance *
e_exec(E_Zone *zone, Efreet_Desktop *desktop, const char *exec,
Ecore_List *files, const char *launch_method)
{
E_Exec_Launch *launch;
E_Exec_Instance *inst = NULL;
if ((!desktop) && (!exec)) return NULL;
launch = E_NEW(E_Exec_Launch, 1);
if (!launch) return NULL;
if (zone)
{
launch->zone = zone;
e_object_ref(E_OBJECT(launch->zone));
}
if (launch_method)
launch->launch_method = evas_stringshare_add(launch_method);
if (desktop)
{
if (exec)
inst = _e_exec_cb_exec(launch, NULL, strdup(exec), 0);
else
inst = efreet_desktop_command_get(desktop, files, _e_exec_cb_exec, launch);
}
else
inst = _e_exec_cb_exec(launch, NULL, strdup(exec), 0);
return inst;
}
EAPI Efreet_Desktop *
e_exec_startup_id_pid_find(int startup_id, pid_t pid)
{
E_Exec_Search search;
search.desktop = NULL;
search.startup_id = startup_id;
search.pid = pid;
evas_hash_foreach(e_exec_instances, _e_exec_startup_id_pid_find, &search);
return search.desktop;
}
/* local subsystem functions */
static E_Exec_Instance *
_e_exec_cb_exec(void *data, Efreet_Desktop *desktop, char *exec, int remaining)
{
E_Exec_Instance *inst = NULL;
E_Exec_Launch *launch;
Ecore_Exe *exe;
char *penv_display;
char buf[4096];
launch = data;
if (desktop)
{
inst = E_NEW(E_Exec_Instance, 1);
if (!inst) return NULL;
}
if (startup_id == 0)
{
const char *p;
p = getenv("E_STARTUP_ID");
if (p) startup_id = atoi(p);
e_util_env_set("E_STARTUP_ID", NULL);
}
if (++startup_id < 1) startup_id = 1;
/* save previous env vars we need to save */
penv_display = getenv("DISPLAY");
if (penv_display) penv_display = strdup(penv_display);
if ((penv_display) && (launch->zone))
{
const char *p1, *p2;
char buf2[32];
int head;
head = launch->zone->container->manager->num;
/* set env vars */
p1 = strrchr(penv_display, ':');
p2 = strrchr(penv_display, '.');
if ((p1) && (p2) && (p2 > p1)) /* "blah:x.y" */
{
/* yes it could overflow... but who will overflow DISPLAY eh? why? to
* "exploit" your own applications running as you?
*/
strcpy(buf, penv_display);
buf[p2 - penv_display + 1] = 0;
snprintf(buf2, sizeof(buf2), "%i", head);
strcat(buf, buf2);
}
else if (p1) /* "blah:x */
{
strcpy(buf, penv_display);
snprintf(buf2, sizeof(buf2), ".%i", head);
strcat(buf, buf2);
}
else
strcpy(buf, penv_display);
e_util_env_set("DISPLAY", buf);
}
snprintf(buf, sizeof(buf), "E_START|%i", startup_id);
e_util_env_set("DESKTOP_STARTUP_ID", buf);
e_util_library_path_strip();
//// FIXME: seem to be some issues with the pipe and filling up ram - need to
//// check. for now disable.
// exe = ecore_exe_pipe_run(exec,
// ECORE_EXE_PIPE_AUTO | ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_ERROR |
// ECORE_EXE_PIPE_READ_LINE_BUFFERED | ECORE_EXE_PIPE_ERROR_LINE_BUFFERED,
// inst);
exe = ecore_exe_run(exec, inst);
e_util_library_path_restore();
if (penv_display)
{
e_util_env_set("DISPLAY", penv_display);
free(penv_display);
}
if (!exe)
{
E_FREE(inst);
e_util_dialog_show(_("Run Error"),
_("Enlightenment was unable to fork a child process:<br>"
"<br>"
"%s<br>"),
exec);
return NULL;
}
/* reset env vars */
if (launch->launch_method) e_exehist_add(launch->launch_method, exec);
free(exec);
/* 20 lines at start and end, 20x100 limit on bytes at each end. */
//// FIXME: seem to be some issues with the pipe and filling up ram - need to
//// check. for now disable.
// ecore_exe_auto_limits_set(exe, 2000, 2000, 20, 20);
ecore_exe_tag_set(exe, "E/exec");
if (desktop)
{
Evas_List *l;
efreet_desktop_ref(desktop);
inst->desktop = desktop;
inst->exe = exe;
inst->startup_id = startup_id;
inst->launch_time = ecore_time_get();
inst->expire_timer = ecore_timer_add(10.0, _e_exec_cb_expire_timer, inst);
l = evas_hash_find(e_exec_instances, desktop->orig_path);
if (l)
{
l = evas_list_append(l, inst);
evas_hash_modify(e_exec_instances, desktop->orig_path, l);
}
else
{
l = evas_list_append(l, inst);
e_exec_instances = evas_hash_add(e_exec_instances, desktop->orig_path, l);
}
e_exec_start_pending = evas_list_append(e_exec_start_pending, desktop);
}
else if (exe)
{
E_FREE(inst);
inst = NULL;
ecore_exe_free(exe);
}
if (!remaining)
{
if (launch->launch_method) evas_stringshare_del(launch->launch_method);
if (launch->zone) e_object_unref(E_OBJECT(launch->zone));
free(launch);
}
return inst;
}
static int
_e_exec_cb_expire_timer(void *data)
{
E_Exec_Instance *inst;
inst = data;
e_exec_start_pending = evas_list_remove(e_exec_start_pending, inst->desktop);
inst->expire_timer = NULL;
return 0;
}
static int
_e_exec_cb_exit(void *data, int type, void *event)
{
Evas_List *instances;
Ecore_Exe_Event_Del *ev;
E_Exec_Instance *inst;
ev = event;
if (!ev->exe) return 1;
// if (ecore_exe_tag_get(ev->exe)) printf(" tag %s\n", ecore_exe_tag_get(ev->exe));
if (!(ecore_exe_tag_get(ev->exe) &&
(!strcmp(ecore_exe_tag_get(ev->exe), "E/exec")))) return 1;
inst = ecore_exe_data_get(ev->exe);
if (!inst) return 1;
/* /bin/sh uses this if cmd not found */
if ((ev->exited) &&
((ev->exit_code == 127) || (ev->exit_code == 255)))
{
E_Dialog *dia;
dia = e_dialog_new(e_container_current_get(e_manager_current_get()),
"E", "_e_exec_run_error_dialog");
if (dia)
{
char buf[4096];
e_dialog_title_set(dia, _("Application run error"));
snprintf(buf, sizeof(buf),
_("Enlightenment was unable to run the application:<br>"
"<br>"
"%s<br>"
"<br>"
"The application failed to start."),
ecore_exe_cmd_get(ev->exe));
e_dialog_text_set(dia, buf);
e_dialog_button_add(dia, _("OK"), NULL, NULL, NULL);
e_dialog_button_focus_num(dia, 1);
e_win_centered_set(dia->win, 1);
e_dialog_show(dia);
}
}
/* Let's hope that everything returns this properly. */
else if (!((ev->exited) && (ev->exit_code == EXIT_SUCCESS)))
{
/* filter out common exits via signals - int/term/quit. not really
* worth popping up a dialog for */
if (!
((ev->signalled) &&
((ev->exit_signal == SIGINT) ||
(ev->exit_signal == SIGQUIT) ||
(ev->exit_signal == SIGTERM)))
)
{
/* Show the error dialog with details from the exe. */
_e_exec_error_dialog(inst->desktop, ecore_exe_cmd_get(ev->exe), ev,
ecore_exe_event_data_get(ev->exe, ECORE_EXE_PIPE_ERROR),
ecore_exe_event_data_get(ev->exe, ECORE_EXE_PIPE_READ));
}
}
if (inst->desktop)
{
instances = evas_hash_find(e_exec_instances, inst->desktop->orig_path);
if (instances)
{
instances = evas_list_remove(instances, inst);
if (instances)
evas_hash_modify(e_exec_instances, inst->desktop->orig_path, instances);
else
e_exec_instances = evas_hash_del(e_exec_instances, inst->desktop->orig_path, NULL);
}
}
e_exec_start_pending = evas_list_remove(e_exec_start_pending, inst->desktop);
if (inst->expire_timer) ecore_timer_del(inst->expire_timer);
if (inst->desktop) efreet_desktop_free(inst->desktop);
free(inst);
return 1;
}
static Evas_Bool
_e_exec_startup_id_pid_find(const Evas_Hash *hash __UNUSED__, const char *key __UNUSED__, void *value, void *data)
{
E_Exec_Search *search;
Evas_List *instances, *l;
search = data;
instances = value;
for (l = instances; l; l = l->next)
{
E_Exec_Instance *inst;
inst = l->data;
if (((search->startup_id > 0) && (search->startup_id == inst->startup_id)) ||
((inst->exe) && (search->pid > 1) &&
(search->pid == ecore_exe_pid_get(inst->exe))))
{
search->desktop = inst->desktop;
return 0;
}
}
return 1;
}
static void
_e_exec_error_dialog(Efreet_Desktop *desktop, const char *exec, Ecore_Exe_Event_Del *event,
Ecore_Exe_Event_Data *error, Ecore_Exe_Event_Data *read)
{
E_Config_Dialog *cfd;
E_Config_Dialog_View *v;
E_Config_Dialog_Data *cfdata;
E_Container *con;
v = E_NEW(E_Config_Dialog_View, 1);
if (!v) return;
cfdata = E_NEW(E_Config_Dialog_Data, 1);
if (!cfdata)
{
free(v);
return;
}
cfdata->desktop = desktop;
if (exec) cfdata->exec = strdup(exec);
cfdata->error = error;
cfdata->read = read;
cfdata->event = *event;
v->create_cfdata = _create_data;
v->free_cfdata = _free_data;
v->basic.create_widgets = _basic_create_widgets;
v->advanced.create_widgets = _advanced_create_widgets;
con = e_container_current_get(e_manager_current_get());
/* Create The Dialog */
cfd = e_config_dialog_new(con, _("Application Execution Error"),
"E", "_e_exec_error_exit_dialog",
NULL, 0, v, cfdata);
}
static void
_fill_data(E_Config_Dialog_Data *cfdata)
{
char buf[4096];
if (!cfdata->label)
{
snprintf(buf, sizeof(buf), _("%s stopped running unexpectedly."), cfdata->desktop->name);
cfdata->label = strdup(buf);
}
if ((cfdata->event.exited) && (!cfdata->exit))
{
snprintf(buf, sizeof(buf),
_("An exit code of %i was returned from %s."), cfdata->event.exit_code, cfdata->exec);
cfdata->exit = strdup(buf);
}
if ((cfdata->event.signalled) && (!cfdata->signal))
{
if (cfdata->event.exit_signal == SIGINT)
snprintf(buf, sizeof(buf),
_("%s was interrupted by an Interrupt Signal."), cfdata->desktop->exec);
else if (cfdata->event.exit_signal == SIGQUIT)
snprintf(buf, sizeof(buf), _("%s was interrupted by a Quit Signal."),
cfdata->exec);
else if (cfdata->event.exit_signal == SIGABRT)
snprintf(buf, sizeof(buf),
_("%s was interrupted by an Abort Signal."), cfdata->exec);
else if (cfdata->event.exit_signal == SIGFPE)
snprintf(buf, sizeof(buf),
_("%s was interrupted by a Floating Point Error."), cfdata->exec);
else if (cfdata->event.exit_signal == SIGKILL)
snprintf(buf, sizeof(buf),
_("%s was interrupted by an Uninterruptable Kill Signal."), cfdata->exec);
else if (cfdata->event.exit_signal == SIGSEGV)
snprintf(buf, sizeof(buf),
_("%s was interrupted by a Segmentation Fault."), cfdata->exec);
else if (cfdata->event.exit_signal == SIGPIPE)
snprintf(buf, sizeof(buf),
_("%s was interrupted by a Broken Pipe."), cfdata->exec);
else if (cfdata->event.exit_signal == SIGTERM)
snprintf(buf, sizeof(buf),
_("%s was interrupted by a Termination Signal."), cfdata->exec);
else if (cfdata->event.exit_signal == SIGBUS)
snprintf(buf, sizeof(buf),
_("%s was interrupted by a Bus Error."), cfdata->exec);
else
snprintf(buf, sizeof(buf),
_("%s was interrupted by the signal number %i."),
cfdata->exec, cfdata->event.exit_signal);
cfdata->signal = strdup(buf);
/* FIXME: Add sigchld_info stuff
* cfdata->event.data
* siginfo_t
* {
* int si_signo; Signal number
* int si_errno; An errno value
* int si_code; Signal code
* pid_t si_pid; Sending process ID
* uid_t si_uid; Real user ID of sending process
* int si_status; Exit value or signal
* clock_t si_utime; User time consumed
* clock_t si_stime; System time consumed
* sigval_t si_value; Signal value
* int si_int; POSIX.1b signal
* void * si_ptr; POSIX.1b signal
* void * si_addr; Memory location which caused fault
* int si_band; Band event
* int si_fd; File descriptor
* }
*/
}
}
static void *
_create_data(E_Config_Dialog *cfd)
{
E_Config_Dialog_Data *cfdata;
cfdata = cfd->data;
_fill_data(cfdata);
return cfdata;
}
static void
_free_data(E_Config_Dialog *cfd, E_Config_Dialog_Data *cfdata)
{
if (cfdata->error) ecore_exe_event_data_free(cfdata->error);
if (cfdata->read) ecore_exe_event_data_free(cfdata->read);
E_FREE(cfdata->exec);
E_FREE(cfdata->signal);
E_FREE(cfdata->exit);
E_FREE(cfdata->label);
free(cfdata);
}
static Evas_Object *
_dialog_scrolltext_create(Evas *evas, char *title, Ecore_Exe_Event_Data_Line *lines)
{
int i;
Evas_Object *obj, *os;
char *text;
char *trunc_note = _("***The remaining output has been truncated. Save the output to view.***\n");
int tlen, max_lines;
os = e_widget_framelist_add(evas, _(title), 0);
obj = e_widget_textblock_add(evas);
tlen = 0;
for (i = 0; lines[i].line != NULL; i++)
{
tlen += lines[i].size + 1;
/* When the program output is extraordinarily long, it can cause
* significant delays during text rendering. Limit to a fixed
* number of characters. */
if (tlen > MAX_OUTPUT_CHARACTERS)
{
tlen -= lines[i].size + 1;
tlen += strlen(trunc_note);
break;
}
}
max_lines = i;
text = alloca(tlen + 1);
if (text)
{
text[0] = 0;
for (i = 0; i < max_lines; i++)
{
strcat(text, lines[i].line);
strcat(text, "\n");
}
/* Append the warning about truncated output. */
if (lines[max_lines].line != NULL)
strcat(text, trunc_note);
e_widget_textblock_plain_set(obj, text);
}
e_widget_min_size_set(obj, 240, 120);
e_widget_framelist_object_append(os, obj);
return os;
}
static Evas_Object *
_basic_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata)
{
char buf[4096];
int error_length = 0;
Evas_Object *o, *ob, *os;
_fill_data(cfdata);
o = e_widget_list_add(evas, 0, 0);
ob = e_widget_label_add(evas, cfdata->label);
e_widget_list_object_append(o, ob, 1, 1, 0.5);
if (cfdata->error)
error_length = cfdata->error->size;
if (error_length)
{
os = _dialog_scrolltext_create(evas, _("Error Logs"), cfdata->error->lines);
e_widget_list_object_append(o, os, 1, 1, 0.5);
}
else
{
ob = e_widget_label_add(evas, _("There was no error message."));
e_widget_list_object_append(o, ob, 1, 1, 0.5);
}
ob = e_widget_button_add(evas, _("Save This Message"), "enlightenment/run",
_dialog_save_cb, NULL, cfdata);
e_widget_list_object_append(o, ob, 0, 0, 0.5);
snprintf(buf, sizeof(buf), _("This error log will be saved as %s/%s.log"),
e_user_homedir_get(), cfdata->desktop->name);
ob = e_widget_label_add(evas, buf);
e_widget_list_object_append(o, ob, 1, 1, 0.5);
return o;
}
static Evas_Object *
_advanced_create_widgets(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata)
{
char buf[4096];
int read_length = 0;
int error_length = 0;
Evas_Object *o, *of, *ob, *ot;
_fill_data(cfdata);
o = e_widget_list_add(evas, 0, 0);
ot = e_widget_table_add(evas, 0);
ob = e_widget_label_add(evas, cfdata->label);
e_widget_list_object_append(o, ob, 1, 1, 0.5);
if (cfdata->exit)
{
of = e_widget_framelist_add(evas, _("Error Information"), 0);
ob = e_widget_label_add(evas, _(cfdata->exit));
e_widget_framelist_object_append(of, ob);
e_widget_list_object_append(o, of, 1, 1, 0.5);
}
if (cfdata->signal)
{
of = e_widget_framelist_add(evas, _("Error Signal Information"), 0);
ob = e_widget_label_add(evas, _(cfdata->signal));
e_widget_framelist_object_append(of, ob);
e_widget_list_object_append(o, of, 1, 1, 0.5);
}
if (cfdata->read)
read_length = cfdata->read->size;
if (read_length)
{
of = _dialog_scrolltext_create(evas, _("Output Data"), cfdata->read->lines);
/* FIXME: Add stdout "start". */
/* FIXME: Add stdout "end". */
}
else
{
of = e_widget_framelist_add(evas, _("Output Data"), 0);
ob = e_widget_label_add(evas, _("There was no output."));
e_widget_framelist_object_append(of, ob);
}
e_widget_table_object_append(ot, of, 0, 0, 1, 1, 1, 1, 1, 1);
if (cfdata->error)
error_length = cfdata->error->size;
if (error_length)
{
of = _dialog_scrolltext_create(evas, _("Error Logs"), cfdata->error->lines);
/* FIXME: Add stderr "start". */
/* FIXME: Add stderr "end". */
}
else
{
of = e_widget_framelist_add(evas, _("Error Logs"), 0);
ob = e_widget_label_add(evas, _("There was no error message."));
e_widget_framelist_object_append(of, ob);
}
e_widget_table_object_append(ot, of, 1, 0, 1, 1, 1, 1, 1, 1);
e_widget_list_object_append(o, ot, 1, 1, 0.5);
ob = e_widget_button_add(evas, _("Save This Message"), "enlightenment/run", _dialog_save_cb, NULL, cfdata);
e_widget_list_object_append(o, ob, 0, 0, 0.5);
snprintf(buf, sizeof(buf), _("This error log will be saved as %s/%s.log"),
e_user_homedir_get(), cfdata->desktop->name);
ob = e_widget_label_add(evas, buf);
e_widget_list_object_append(o, ob, 1, 1, 0.5);
return o;
}
static void
_dialog_save_cb(void *data, void *data2)
{
E_Config_Dialog_Data *cfdata;
FILE *f;
char *text;
char buf[1024];
char buffer[4096];
int read_length = 0;
int i, tlen;
cfdata = data2;
snprintf(buf, sizeof(buf), "%s/%s.log", e_user_homedir_get(),
e_util_filename_escape(cfdata->desktop->name));
f = fopen(buf, "w");
if (!f) return;
if (cfdata->exit)
{
snprintf(buffer, sizeof(buffer), "Error Information:\n\t%s\n\n", cfdata->exit);
fwrite(buffer, sizeof(char), strlen(buffer), f);
}
if (cfdata->signal)
{
snprintf(buffer, sizeof(buffer), "Error Signal Information:\n\t%s\n\n", cfdata->signal);
fwrite(buffer, sizeof(char), strlen(buffer), f);
}
if (cfdata->read)
read_length = cfdata->read->size;
if (read_length)
{
tlen = 0;
for (i = 0; cfdata->read->lines[i].line != NULL; i++)
tlen += cfdata->read->lines[i].size + 2;
text = alloca(tlen + 1);
if (text)
{
text[0] = 0;
for (i = 0; cfdata->read->lines[i].line != NULL; i++)
{
strcat(text, "\t");
strcat(text, cfdata->read->lines[i].line);
strcat(text, "\n");
}
snprintf(buffer, sizeof(buffer), "Output Data:\n%s\n\n", text);
fwrite(buffer, sizeof(char), strlen(buffer), f);
}
}
else
{
snprintf(buffer, sizeof(buffer), "Output Data:\n\tThere was no output\n\n");
fwrite(buffer, sizeof(char), strlen(buffer), f);
}
/* Reusing this var */
read_length = 0;
if (cfdata->error)
read_length = cfdata->error->size;
if (read_length)
{
tlen = 0;
for (i = 0; cfdata->error->lines[i].line != NULL; i++)
tlen += cfdata->error->lines[i].size + 1;
text = alloca(tlen + 1);
if (text)
{
text[0] = 0;
for (i = 0; cfdata->error->lines[i].line != NULL; i++)
{
strcat(text, "\t");
strcat(text, cfdata->error->lines[i].line);
strcat(text, "\n");
}
snprintf(buffer, sizeof(buffer), "Error Logs:\n%s\n", text);
fwrite(buffer, sizeof(char), strlen(buffer), f);
}
}
else
{
snprintf(buffer, sizeof(buffer), "Error Logs:\n\tThere was no error message\n");
fwrite(buffer, sizeof(char), strlen(buffer), f);
}
fclose(f);
}
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