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autosave on exit

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KubaPro010
2025-12-19 21:09:15 +01:00
parent cbc1152891
commit 86ace60034
8 changed files with 94 additions and 113 deletions
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73
src/rds_fs.c Normal file
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@@ -0,0 +1,73 @@
#include "rds_fs.h"
void saveToFile(RDSEncoder *enc) {
char encoderPath[128];
snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
RDSEncoder tempEncoder;
FILE *file = fopen(encoderPath, "rb");
if (file) {
fread(&tempEncoder, sizeof(RDSEncoder), 1, file);
fclose(file);
} else memcpy(&tempEncoder, enc, sizeof(RDSEncoder));
memcpy(tempEncoder.data, enc->data, sizeof(RDSData) * PROGRAMS);
memcpy(tempEncoder.rtpData, enc->rtpData, sizeof(RDSRTPlusData) * PROGRAMS * 2);
memcpy(&tempEncoder.encoder_data, &enc->encoder_data, sizeof(RDSEncoderData));
tempEncoder.program = enc->program;
RDSEncoderFile rdsEncoderfile = {.file_starter = 225, .file_middle = 160, .file_ender = 95, .program = tempEncoder.program};
memcpy(&rdsEncoderfile.data[enc->program], &tempEncoder.data[enc->program], sizeof(RDSData));
memcpy(&rdsEncoderfile.rtpData[enc->program], &tempEncoder.rtpData[enc->program], sizeof(RDSRTPlusData) * 2);
memcpy(&rdsEncoderfile.encoder_data, &tempEncoder.encoder_data, sizeof(RDSEncoderData));
rdsEncoderfile.crc = crc16_ccitt((char *)&rdsEncoderfile, offsetof(RDSEncoderFile, crc));
file = fopen(encoderPath, "wb");
if (!file) {
perror("Error opening file");
return;
}
fwrite(&rdsEncoderfile, sizeof(RDSEncoderFile), 1, file);
fclose(file);
}
void loadFromFile(RDSEncoder *enc) {
char encoderPath[128];
snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
RDSEncoderFile rdsEncoderfile;
FILE *file = fopen(encoderPath, "rb");
if (!file) {
perror("Error opening file");
return;
}
fread(&rdsEncoderfile, sizeof(rdsEncoderfile), 1, file);
fclose(file);
if (rdsEncoderfile.file_starter != 225 || rdsEncoderfile.file_ender != 95 || rdsEncoderfile.file_middle != 160) {
fprintf(stderr, "[RDSENCODER-FILE] Invalid file format\n");
return;
}
if (crc16_ccitt((char*)&rdsEncoderfile, offsetof(RDSEncoderFile, crc)) != rdsEncoderfile.crc) {
fprintf(stderr, "[RDSENCODER-FILE] CRC mismatch! Data may be corrupted\n");
return;
}
for (int i = 0; i < PROGRAMS; i++) {
memcpy(&(enc->data[i]), &(rdsEncoderfile.data[i]), sizeof(RDSData));
memcpy(&(enc->rtpData[i]), &(rdsEncoderfile.rtpData[i]), sizeof(RDSRTPlusData)*2);
}
memcpy(&(enc->encoder_data), &(rdsEncoderfile.encoder_data), sizeof(RDSEncoderData));
enc->program = rdsEncoderfile.program;
}
int isFileSaved() {
char encoderPath[128];
snprintf(encoderPath, sizeof(encoderPath), "%s/.rdsEncoder", getenv("HOME"));
FILE *file = fopen(encoderPath, "rb");
if(!file) return 0;
fclose(file);
return 1;
}