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6 changed files with 0 additions and 316 deletions

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@ -1,19 +0,0 @@
#ifndef VIETER_DYNARRAY
#define VIETER_DYNARRAY
#include <stdlib.h>
#include <string.h>
typedef struct dyn_array DynArray;
DynArray *dynarray_init(size_t initial_capacity);
void dynarray_add(DynArray *da, const char * s);
void dynarray_free(DynArray *da);
/**
* Convert a DynArray into an array by freeing all its surrounding components
* and returning the underlying array pointer.
*/
char **dynarray_convert(DynArray *da);
#endif

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@ -1,26 +0,0 @@
#ifndef VIETER_PACKAGE
#define VIETER_PACKAGE
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include "archive.h"
#include "archive_entry.h"
#include "package_info.h"
#include "dynarray.h"
typedef struct pkg {
char *path;
PkgInfo *info;
DynArray *files;
int compression;
} Pkg;
Pkg *package_read_archive(const char *pkg_path);
void package_free(Pkg ** ptp);
char *package_to_description(Pkg *pkg);
#endif

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@ -1,39 +0,0 @@
#ifndef VIETER_PACKAGE_INFO
#define VIETER_PACKAGE_INFO
#define FREE_STRING(sp) if (sp != NULL) free(sp)
#include <stdint.h>
#include "dynarray.h"
typedef struct pkg_info {
char *name;
char *base;
char *version;
char *description;
int64_t size;
int64_t csize;
char *url;
char *arch;
int64_t build_date;
char *packager;
char *pgpsig;
int64_t pgpsigsize;
DynArray *groups;
DynArray *licenses;
DynArray *replaces;
DynArray *depends;
DynArray *conflicts;
DynArray *provides;
DynArray *optdepends;
DynArray *makedepends;
DynArray *checkdepends;
} PkgInfo;
PkgInfo *package_info_init();
void package_info_parse(PkgInfo *pkg_info, char *pkg_info_str);
void package_info_free(PkgInfo *pkg_info);
#endif

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@ -1,55 +0,0 @@
#include "dynarray.h"
struct dyn_array {
char **array;
size_t size;
size_t capacity;
};
DynArray *dynarray_init(size_t initial_capacity) {
DynArray *da = malloc(sizeof(DynArray));
da->size = 0;
da->capacity = initial_capacity;
return da;
}
void dynarray_add(DynArray *da, const char *s) {
// An empty dynarray does not have an allocated internal array yet
if (da->size == 0) {
da->array = malloc(sizeof(char*) * da->capacity);
}
// Double array size if it's full
else if (da->size == da->capacity) {
da->array = realloc(da->array, da->capacity * 2);
da->capacity *= 2;
}
da->array[da->size] = strdup(s);
da->size++;
}
void dynarray_free(DynArray *da) {
if (da == NULL) {
return;
}
if (da->array != NULL) {
for (size_t i = 0; i < da->size; i++) {
free(da->array[i]);
}
free(da->array);
}
free(da);
}
char **dynarray_convert(DynArray *da) {
char **array = da->array;
da->array = NULL;
dynarray_free(da);
return array;
}

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@ -1,98 +0,0 @@
#include "package.h"
static char *ignored_names[5] = {
".BUILDINFO",
".INSTALL",
".MTREE",
".PKGINFO",
".CHANGELOG"
};
static int ignored_words_len = sizeof(ignored_names) / sizeof(char *);
Pkg *package_init() {
return calloc(sizeof(PkgInfo), 1);
}
Pkg *package_read_archive(const char *pkg_path) {
struct archive *a = archive_read_new();
struct archive_entry *entry = archive_entry_new();
// These three are the most commonly used compression methods
archive_read_support_filter_zstd(a);
archive_read_support_filter_gzip(a);
archive_read_support_filter_xz(a);
// Contents should always be a tarball
archive_read_support_format_tar(a);
// TODO where does this 10240 come from?
int r = archive_read_open_filename(a, pkg_path, 10240);
// Exit early if we weren't able to successfully open the archive for reading
if (r != ARCHIVE_OK) {
return NULL;
}
int compression_code = archive_filter_code(a, 0);
const char *path_name;
PkgInfo *pkg_info;
DynArray *files = dynarray_init(16);
while (archive_read_next_header(a, &entry) == ARCHIVE_OK) {
path_name = archive_entry_pathname(entry);
bool ignore = false;
for (size_t i = 0; i < ignored_words_len; i++) {
if (strcmp(path_name, ignored_names[i]) == 0) {
ignore = true;
break;
}
}
if (!ignore) {
dynarray_add(files, path_name);
}
if (strcmp(path_name, ".PKGINFO") == 0) {
// Read data of file into memory buffer
int size = archive_entry_size(entry);
char *buf = malloc(size);
archive_read_data(a, buf, size);
// Parse package info string into a struct
pkg_info = package_info_init();
package_info_parse(pkg_info, buf);
free(buf);
} else {
archive_read_data_skip(a);
}
}
// Get size of file
struct stat stats;
if (stat(pkg_path, &stats) != 0) {
return NULL;
}
pkg_info->csize = stats.st_size;
archive_read_free(a);
archive_entry_free(entry);
// Create final return value
Pkg *pkg = package_init();
pkg->path = strdup(pkg_path);
pkg->info = pkg_info;
pkg->files = files;
pkg->compression = compression_code;
return pkg;
}
char *package_to_description(Pkg *pkg) {
}

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@ -1,79 +0,0 @@
#include <stdbool.h>
#include "package_info.h"
#define PKG_INFO_STRING(key_ptr, field) if ((value_ptr = strstr(value_ptr, key_ptr)) != NULL) { \
value_ptr += strlen(key_ptr);\
tail_ptr = strchr(value_ptr, '\n');\
tail_ptr[0] = '\0'; \
pkg_info->field = strdup(value_ptr); \
tail_ptr[0] = '\n'; \
} value_ptr = tail_ptr;
#define PKG_INFO_INT(key_ptr, field) value_ptr = strstr(value_ptr, key_ptr) + strlen(key_ptr);\
tail_ptr = strchr(value_ptr, '\n');\
tail_ptr[0] = '\0'; \
pkg_info->field = atoi(value_ptr); \
tail_ptr[0] = '\n'; \
value_ptr = tail_ptr;
#define PKG_INFO_ARRAY(key_ptr, field) while((value_ptr = strstr(value_ptr, key_ptr)) != NULL){ \
value_ptr = value_ptr + strlen(key_ptr);\
tail_ptr = strchr(value_ptr, '\n'); \
tail_ptr[0] = '\0'; \
if(pkg_info->field == NULL) { pkg_info->field = dynarray_init(4); } \
dynarray_add(pkg_info->field, value_ptr); \
tail_ptr[0] = '\n'; \
value_ptr = tail_ptr;\
} value_ptr = tail_ptr;
PkgInfo *package_info_init() {
return calloc(1, sizeof(PkgInfo));
}
void package_info_free(PkgInfo *pkg_info) {
FREE_STRING(pkg_info->name);
FREE_STRING(pkg_info->base);
FREE_STRING(pkg_info->version);
FREE_STRING(pkg_info->description);
FREE_STRING(pkg_info->url);
FREE_STRING(pkg_info->arch);
FREE_STRING(pkg_info->packager);
FREE_STRING(pkg_info->pgpsig);
dynarray_free(pkg_info->groups);
dynarray_free(pkg_info->licenses);
dynarray_free(pkg_info->replaces);
dynarray_free(pkg_info->depends);
dynarray_free(pkg_info->conflicts);
dynarray_free(pkg_info->provides);
dynarray_free(pkg_info->optdepends);
dynarray_free(pkg_info->makedepends);
dynarray_free(pkg_info->checkdepends);
free(pkg_info);
}
void package_info_parse(PkgInfo *pkg_info, char *pkg_info_str) {
char *value_ptr = pkg_info_str, *tail_ptr;
PKG_INFO_STRING("\npkgname = ", name);
PKG_INFO_STRING("\npkgbase = ", base);
PKG_INFO_STRING("\npkgver = ", version);
PKG_INFO_STRING("\npkgdesc = ", description);
PKG_INFO_STRING("\nurl = ", url);
PKG_INFO_INT("\nbuilddate = ", build_date);
PKG_INFO_STRING("\npackager = ", packager);
PKG_INFO_INT("\nsize = ", size);
PKG_INFO_STRING("\narch = ", arch);
PKG_INFO_ARRAY("\nlicense = ", licenses);
PKG_INFO_ARRAY("\nreplaces = ", replaces);
PKG_INFO_ARRAY("\ngroup = ", groups);
PKG_INFO_ARRAY("\nconflict = ", conflicts);
PKG_INFO_ARRAY("\nprovides = ", provides);
PKG_INFO_ARRAY("\ndepend = ", depends);
PKG_INFO_ARRAY("\noptdepend = ", optdepends);
PKG_INFO_ARRAY("\nmakedepend = ", makedepends);
PKG_INFO_ARRAY("\ncheckdepend = ", checkdepends);
}