v4k-git-backup/tools/split.c

103 lines
3.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#define MAX_FILENAME_LENGTH 256
#define MAX_LINE_LENGTH 1024
void print_usage(const char* program_name) {
fprintf(stderr, "Usage: %s --input <input_file> --output-path <output_path>\n", program_name);
}
int main(int argc, char* argv[]) {
char* input_file = NULL;
char* output_path = NULL;
// Parse command-line arguments
for (int i = 1; i < argc; i += 2) {
if (i + 1 >= argc) {
fprintf(stderr, "Error: Missing argument value\n");
print_usage(argv[0]);
return 1;
}
if (strcmp(argv[i], "--input") == 0) {
input_file = argv[i + 1];
} else if (strcmp(argv[i], "--output-path") == 0) {
output_path = argv[i + 1];
} else {
fprintf(stderr, "Error: Unknown argument %s\n", argv[i]);
print_usage(argv[0]);
return 1;
}
}
if (!input_file || !output_path) {
fprintf(stderr, "Error: Missing required arguments\n");
print_usage(argv[0]);
return 1;
}
FILE* input = fopen(input_file, "r");
if (!input) {
fprintf(stderr, "Error: Unable to open input file %s\n", input_file);
return 1;
}
char line[MAX_LINE_LENGTH];
char current_filename[MAX_FILENAME_LENGTH] = "";
FILE* current_output = NULL;
while (fgets(line, sizeof(line), input)) {
if (strncmp(line, "#line 1 ", 8) == 0) {
// Close previous output file if open
if (current_output) {
fclose(current_output);
current_output = NULL;
}
// Extract new filename
sscanf(line, "#line 1 \"%[^\"]\"", current_filename);
// Open new output file
char output_filename[MAX_FILENAME_LENGTH * 2];
snprintf(output_filename, sizeof(output_filename), "%s/%s", output_path, current_filename);
current_output = fopen(output_filename, "w");
if (!current_output) {
fprintf(stderr, "Error: Unable to open output file %s\n", output_filename);
fclose(input);
return 1;
}
// printf("Writing file: %s\n", current_filename);
} else if (strncmp(line, "#line 0", 7) == 0) {
// Close current output file
if (current_output) {
fclose(current_output);
current_output = NULL;
}
} else if (current_output) {
// Write line to current output file
fputs(line, current_output);
}
}
// Close any open files
if (current_output) {
fclose(current_output);
}
fclose(input);
printf("OK\n");
return 0;
}
/*
compiled with:
cc -ObjC join.c -I../engine -o join.osx -framework Cocoa -framework IOKit -framework audiotoolbox -framework coreaudio -O3
cc join.c -I../engine -o join.linux -lm -lpthread -ldl -lX11 -O3
tcc join.c -I..\engine
cl join.c -I..\engine /openmp /Os /Ox /O2 /Oy /MT /DNDEBUG /GL /GF /Gw /arch:AVX2 /link /OPT:ICF /LTCG
del *.o & del *.obj & del *.lib & del *.exp & del *.pdb
*/