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Check locking errors

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This commit is contained in:
Sebastian Ramacher 2019-01-18 21:10:26 +01:00
parent a8f377f0fe
commit 34ee70f3d6
1 changed files with 15 additions and 6 deletions
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21
zathura/database-plain.c
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@ -653,10 +653,15 @@ zathura_db_read_key_file_from_file(const char* path)
}
/* open file */
FILE* file = fopen(path, "rw");
FILE* file = fopen(path, "r+");
if (file == NULL) {
return NULL;
}
/* and lock it */
if (file_lock_set(fileno(file), F_WRLCK) != 0) {
fclose(file);
return NULL;
}
GKeyFile* key_file = g_key_file_new();
if (key_file == NULL) {
@ -665,7 +670,6 @@ zathura_db_read_key_file_from_file(const char* path)
}
/* read config file */
file_lock_set(fileno(file), F_WRLCK);
char* content = girara_file_read2(file);
fclose(file);
if (content == NULL) {
@ -728,8 +732,7 @@ zathura_db_write_key_file_to_file(const char* file, GKeyFile* key_file)
return;
}
file_lock_set(fd, F_WRLCK);
if (write(fd, content, strlen(content)) == 0) {
if (file_lock_set(fd, F_WRLCK) != 0 || write(fd, content, strlen(content)) == 0) {
girara_error("Failed to write to %s", file);
}
close(fd);
@ -782,7 +785,10 @@ plain_io_read(GiraraInputHistoryIO* db)
}
/* read input history file */
file_lock_set(fileno(file), F_RDLCK);
if (file_lock_set(fileno(file), F_RDLCK) != 0) {
fclose(file);
return NULL;
}
char* content = girara_file_read2(file);
fclose(file);
@ -813,7 +819,10 @@ plain_io_append(GiraraInputHistoryIO* db, const char* input)
}
/* read input history file */
file_lock_set(fileno(file), F_WRLCK);
if (file_lock_set(fileno(file), F_WRLCK) != 0) {
fclose(file);
return;
}
char* content = girara_file_read2(file);
rewind(file);