snarmph
59b55c7f6c
dir -> directory walker similar to dirent
dirwatch -> lets you watch a directory for changes in another thread
vec -> generic vector
62 lines
No EOL
1.5 KiB
C
62 lines
No EOL
1.5 KiB
C
#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Basic usage:
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*
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* // this function will be called from another thread every time
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* // something happens to 'path'
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* void onEvent(const char *path, int action, dirwatch_file_t file) {
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* switch(action) {
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* case DIRWATCH_FILE_ADDED: [do something] break;
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* case DIRWATCH_FILE_REMOVED: [do something] break;
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* case DIRWATCH_FILE_RENAMED: [do something] break;
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* }
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* }
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*
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* int main() {
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* dirwatch_t dir = watchDir((dirwatch_desc_t){
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* .dirname = "watch/",
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* .on_event = onEvent
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* });
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*
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* waitForWatchDir(&dir);
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* }
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*/
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#include <stdbool.h>
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enum {
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DIRWATCH_FILE_ADDED,
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DIRWATCH_FILE_REMOVED,
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DIRWATCH_FILE_RENAMED,
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};
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typedef struct {
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char *name;
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char *oldname;
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} dirwatch_file_t;
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typedef void (*dirwatch_cb_t)(const char *path, int action, dirwatch_file_t data);
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typedef struct {
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const char *path;
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dirwatch_cb_t on_event;
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} dirwatch_desc_t;
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typedef struct {
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void *handle;
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dirwatch_desc_t *desc;
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} dirwatch_t;
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// Creates a thread and starts watching the folder specified by desc
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// if any action happend on_event will be called from this thread
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dirwatch_t watchDir(dirwatch_desc_t desc);
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// waits forever
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void waitForWatchDir(dirwatch_t *ctx);
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// stops dirwatch thread, if immediately is true, it will try to close it right away
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// otherwise it might wait for one last event
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void stopWatchDir(dirwatch_t *ctx, bool immediately); |