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4 commits
epitar-dem
...
master
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ca10e8aac8 | ||
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2c07b3f2f9 | ||
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c6408716d5 | ||
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8ec0d9a4ee |
11 changed files with 93 additions and 64 deletions
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@ -22,7 +22,7 @@ $(TARGET): $(OBJS)
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@echo $(OBJS)
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all: $(OBJS)
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$(CC) -o $@ $^ $(LDFLAGS) $(LDLIBS)
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$(CC) -o $(TARGET) $^ $(LDFLAGS) $(LDLIBS)
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debug: CFLAGS += $(DBG_CFLAGS)
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debug: LDFLAGS += $(DBG_LDFLAGS)
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@ -3,6 +3,57 @@
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#include "utils/config.h"
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#include "utils/errors.h"
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static int handle_err_code(enum error_code err, struct config *config)
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{
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int ret_code = 0;
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switch (err)
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{
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case SUCCESS:
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ret_code = 0;
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break;
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case BAD_CHECKSUM:
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puts("epitar: bad checksum");
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ret_code = 2;
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break;
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case NOT_IMPLEMENTED:
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puts("epitar: Function not implemented");
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ret_code = 2;
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break;
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case FILE_NOT_FOUND:
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if (config->mode == ARCHIVE)
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{
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// Rest of code should have printed the first part of the line
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printf(" to tarball %s\n", config->archive_file);
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ret_code = 3;
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break;
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}
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__attribute__((fallthrough));
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case EMPTY_ARCHIVE:
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if (config->mode == ARCHIVE)
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{
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puts("epitar: cowardly refusing to create an empty archive");
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ret_code = 1;
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}
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else
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{
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printf("epitar: error extracting tarball %s\n",
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config->archive_file);
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ret_code = 3;
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}
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break;
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default:
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printf("epitar: error extracting tarball %s\n", config->archive_file);
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ret_code = 3;
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break;
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}
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return ret_code;
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}
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int main(int argc, char **argv)
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{
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// Handle args
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@ -32,48 +83,7 @@ int main(int argc, char **argv)
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err = archive(config.archive_file, config.input_files, config.verbose);
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}
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int ret_code = 0;
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switch (err)
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{
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case SUCCESS:
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ret_code = 0;
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break;
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// case UNKNOWN_ERROR:
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// printf("epitar: error extracting tarball %s\n",
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// config.archive_file); ret_code = 3; break;
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case BAD_CHECKSUM:
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puts("epitar: bad checksum");
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ret_code = 2;
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break;
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case NOT_IMPLEMENTED:
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puts("epitar: Function not implemented");
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ret_code = 2;
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break;
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case FILE_NOT_FOUND:
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if (config.mode == ARCHIVE)
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{
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// Rest of code should have printed the first part of the line
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printf(" to tarball %s\n", config.archive_file);
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ret_code = 3;
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break;
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}
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__attribute__((fallthrough));
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case EMPTY_ARCHIVE:
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puts("epitar: cowardly refusing to create an empty archive");
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ret_code = 1;
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break;
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default:
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printf("epitar: error extracting tarball %s\n", config.archive_file);
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ret_code = 3;
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break;
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}
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int ret_code = handle_err_code(err, &config);
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destroy_config(&config);
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return ret_code;
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}
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@ -100,7 +100,7 @@ static enum error_code archivefile(FILE *archive, char *file_path, bool verbose)
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FILE *file = fopen(file_path, "r");
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if (file == NULL)
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{
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printf("Unable to add file %s", file_path);
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printf("unable to add file %s", file_path);
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return FILE_NOT_FOUND;
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}
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@ -162,7 +162,7 @@ static enum error_code archivedir(FILE *archive, char *dir_path, bool verbose)
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if (isdir == FILE_NOT_FOUND)
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{
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// Does not exists
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printf("Unable to add file %s", dir_path);
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printf("unable to add file %s", dir_path);
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err = FILE_NOT_FOUND;
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}
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else if (isdir == SUCCESS)
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@ -204,7 +204,7 @@ enum error_code archive(char *archive_name, char **files, bool verbose)
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if (isdir == FILE_NOT_FOUND)
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{
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// Does not exists
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printf("Unable to add file %s", *current_file);
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printf("unable to add file %s", *current_file);
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err = FILE_NOT_FOUND;
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}
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else if (isdir == SUCCESS)
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@ -1,10 +1,10 @@
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#ifndef ARCHIVE_H
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#define ARCHIVE_H
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#include "../utils/errors.h"
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#include <stdbool.h>
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#include "../utils/errors.h"
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/* @brief Archives the listed `files` into `archive_name`
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* @return 0 on success, the corresponding error code otherwise
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*/
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@ -5,6 +5,7 @@
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#include <string.h>
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#include "../utils/filesystem.h"
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#include "tar.h"
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/**
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*
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@ -49,9 +50,14 @@ static enum error_code extract_ustar(FILE *stream, struct ustar_header *header)
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static enum error_code extract_unixtar(FILE *stream,
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struct unixtar_header *header)
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{
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(void)stream;
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(void)header;
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return NOT_IMPLEMENTED;
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struct file_stats stats = { .name = header->name,
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.length = strtol(header->size, NULL, 8),
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.content_stream = stream,
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.mode = header->mode,
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.uid = header->uid,
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.gid = header->gid,
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.mtime = header->mtime };
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return create_file(&stats);
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}
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/**
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@ -130,6 +136,12 @@ enum error_code extract(char *archive_name, bool verbose)
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got_empty_block = false;
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}
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if (!check_checksum(&header))
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{
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fclose(stream);
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return BAD_CHECKSUM;
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}
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// Extract file
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enum error_code err = extract_file(stream, &header, verbose);
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if (err != SUCCESS)
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@ -81,7 +81,7 @@ enum arg_error_code args_handler(int argc, char **argv, struct config *config)
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// Parse option flags
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int opt;
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while ((opt = getopt(argc, argv, "cxvh")) != -1)
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while ((opt = getopt(argc, argv, ":cvxh")) != -1)
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{
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int err = handle_opt(opt, config);
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if (err == ARG_HELP)
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@ -180,7 +180,7 @@ char *listdirectory(char *path)
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return de->d_name;
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}
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void freedirectory()
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void freedirectory(void)
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{
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if (current_dir != NULL)
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{
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@ -59,6 +59,6 @@ char *listdirectory(char *path);
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* related allocated memory
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* @warn Use this function if you only partially listed a directory previously.
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*/
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void freedirectory();
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void freedirectory(void);
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#endif // FILESYSTEM_H
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@ -1,3 +0,0 @@
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#include "utils.h"
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#include <stdio.h>
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@ -1,6 +0,0 @@
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#ifndef MISC_H
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#define MISC_H
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void print_str_array(const char **input_files);
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#endif /* MISC_H */
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@ -282,7 +282,23 @@ echo -e "\n$BBlue=== Help and Invalid Arguments ===$Color_Off"
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test_help "Help flag"
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test_invalid_args "No arguments" ""
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test_invalid_args "Invalid flag" "-z"
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test_invalid_args "Missing archive" "-c"
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test_invalid_args "Invalid flagS" "-zbk"
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test_invalid_args "Invalid position" "test.tar -h"
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test_invalid_args "Invalid flags and position" "test.tar -z"
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test_invalid_args "Invalid flags and position mix" "test.tar -zhx"
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test_invalid_args "Invalid position" "test.tar -z"
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test_invalid_args "Invalid flag mix" "-zh"
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test_invalid_args "Invalid flag mix 2" "-hnh"
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test_invalid_args "Invalid flag mix 3" "-cnc"
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test_invalid_args "Invalid flag mix 3" "-hhhz"
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test_invalid_args "Invalid flag mix 3" "-hnc"
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test_invalid_args "Invalid flag mix 3" "-cch"
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test_invalid_args "Invalid flag mix 3" "-cnc"
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test_invalid_args "Valid flags multiple" "-cc"
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test_invalid_args "Incompatible flag" "-cx"
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test_invalid_args "Missing op flag" "-v"
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test_invalid_args "Missing archive (c)" "-c"
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test_invalid_args "Missing archive (x)" "-x"
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test_invalid_args "Extract with files" "-x archive.tar file.txt"
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echo -e "\n$BBlue=== Edge Cases ===$Color_Off"
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