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Diffstat (limited to 'musicopy.c')
-rw-r--r--musicopy.c61
1 files changed, 53 insertions, 8 deletions
diff --git a/musicopy.c b/musicopy.c
index d0967f3..b1766a6 100644
--- a/musicopy.c
+++ b/musicopy.c
@@ -9,6 +9,7 @@
#include <wordexp.h>
#include <sys/stat.h>
#include <openssl/sha.h>
+#include <argp.h>
char* music_dir;
char* playlist_dir;
@@ -20,8 +21,48 @@ char** include;
int include_length;
char* existing;
-char* config_section = "default";
-int buffer_size = 4096;
+struct arguments {
+ int buffer_size;
+ char* config_section;
+ bool dry_run;
+};
+
+struct arguments arguments = {
+ .buffer_size = 4096,
+ .config_section = "default",
+ .dry_run = false
+};
+
+const char *argp_program_version = "0.1.0";
+const char *argp_program_bug_address = "https://github.com/lonkaars/musicopy/";
+static char doc[] = "a simple utility that copies music and playlists";
+static char args_doc[] = "arguments";
+static struct argp_option options[] = {
+ { "buffer_size", 'b', "SIZE", 0, "Buffer size (in bytes) used for copying, higher means less syscalls (faster) but more memory usage, lower is more syscalls (slower) but less memory usage"},
+ { "player", 'p', "PLAYER", 0, "Config section to use"},
+ { "dry_run", 'd', 0, 0, "Don't copy files, just print what would be copied"},
+ { 0 }
+};
+
+static error_t parse_opt (int key, char *arg, struct argp_state *state) {
+ switch (key) {
+ case 'b': {
+ arguments.buffer_size = atoi(arg);
+ break;
+ }
+ case 'p': {
+ arguments.config_section = strdup(arg);
+ break;
+ }
+ case 'd': {
+ arguments.dry_run = true;
+ break;
+ }
+ }
+ return 0;
+}
+
+static struct argp argp = { options, parse_opt, args_doc, doc };
void mkpath(char* file_path, mode_t mode) {
for (char* p = strchr(file_path + 1, '/'); p; p = strchr(p + 1, '/')) {
@@ -33,14 +74,16 @@ void mkpath(char* file_path, mode_t mode) {
}
void cp(char* source_path, char* dest_path) {
+ if(arguments.dry_run) return;
+
FILE *source, *dest;
source = fopen(source_path, "rb");
dest = fopen(dest_path, "wb");
- char buffer[buffer_size];
+ char buffer[arguments.buffer_size];
size_t size;
- while ((size = fread(buffer, 1, buffer_size, source)))
+ while ((size = fread(buffer, 1, arguments.buffer_size, source)))
fwrite(buffer, 1, size, dest);
fclose(source);
@@ -74,7 +117,7 @@ void append(char*** dest, int* length, char* add) {
}
static int handler(void* user, const char* section, const char* name, const char* value) {
- if (strcmp(section, config_section) != 0) return 1;
+ if (strcmp(section, arguments.config_section) != 0) return 1;
if (0 == strcmp(name, "music_dir")) music_dir = strdup(value);
else if (0 == strcmp(name, "playlist_dir")) playlist_dir = strdup(value);
@@ -136,10 +179,10 @@ void sha1_file(char* path, unsigned char (*hash)[SHA_DIGEST_LENGTH]) {
FILE *file;
file = fopen(path, "rb");
- char buffer[buffer_size];
+ char buffer[arguments.buffer_size];
size_t size;
- while ((size = fread(buffer, 1, buffer_size, file)))
+ while ((size = fread(buffer, 1, arguments.buffer_size, file)))
SHA1_Update(&ctx, buffer, size);
fclose(file);
@@ -209,7 +252,9 @@ int dir_callback(const char* path, const struct stat *sb, int tflag) {
return 0;
}
-int main() {
+int main(int argc, char* argv[]) {
+ argp_parse(&argp, argc, argv, 0, 0, NULL);
+
load_config();
expandpath(&music_dir);