forked from vieter-v/libvieter
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d252c55fb0
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ad8c37c9ea
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@ -1,19 +0,0 @@
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#ifndef VIETER_DYNARRAY
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#define VIETER_DYNARRAY
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#include <stdlib.h>
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#include <string.h>
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typedef struct dyn_array DynArray;
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DynArray *dynarray_init(size_t initial_capacity);
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void dynarray_add(DynArray *da, const char * s);
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void dynarray_free(DynArray *da);
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/**
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* Convert a DynArray into an array by freeing all its surrounding components
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* and returning the underlying array pointer.
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*/
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char **dynarray_convert(DynArray *da);
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#endif
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#ifndef VIETER_PACKAGE
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#define VIETER_PACKAGE
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include <stdlib.h>
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#include "archive.h"
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#include "archive_entry.h"
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#include "package_info.h"
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#include "dynarray.h"
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typedef struct pkg {
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char *path;
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PkgInfo *info;
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DynArray *files;
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int compression;
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} Pkg;
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Pkg *package_read_archive(const char *pkg_path);
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void package_free(Pkg ** ptp);
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char *package_to_description(Pkg *pkg);
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#endif
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@ -1,39 +0,0 @@
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#ifndef VIETER_PACKAGE_INFO
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#define VIETER_PACKAGE_INFO
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#define FREE_STRING(sp) if (sp != NULL) free(sp)
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#include <stdint.h>
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#include "dynarray.h"
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typedef struct pkg_info {
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char *name;
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char *base;
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char *version;
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char *description;
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int64_t size;
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int64_t csize;
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char *url;
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char *arch;
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int64_t build_date;
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char *packager;
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char *pgpsig;
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int64_t pgpsigsize;
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DynArray *groups;
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DynArray *licenses;
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DynArray *replaces;
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DynArray *depends;
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DynArray *conflicts;
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DynArray *provides;
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DynArray *optdepends;
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DynArray *makedepends;
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DynArray *checkdepends;
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} PkgInfo;
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PkgInfo *package_info_init();
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void package_info_parse(PkgInfo *pkg_info, char *pkg_info_str);
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void package_info_free(PkgInfo *pkg_info);
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#endif
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@ -1,55 +0,0 @@
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#include "dynarray.h"
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struct dyn_array {
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char **array;
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size_t size;
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size_t capacity;
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};
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DynArray *dynarray_init(size_t initial_capacity) {
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DynArray *da = malloc(sizeof(DynArray));
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da->size = 0;
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da->capacity = initial_capacity;
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return da;
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}
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void dynarray_add(DynArray *da, const char *s) {
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// An empty dynarray does not have an allocated internal array yet
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if (da->size == 0) {
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da->array = malloc(sizeof(char*) * da->capacity);
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}
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// Double array size if it's full
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else if (da->size == da->capacity) {
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da->array = realloc(da->array, da->capacity * 2);
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da->capacity *= 2;
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}
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da->array[da->size] = strdup(s);
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da->size++;
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}
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void dynarray_free(DynArray *da) {
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if (da == NULL) {
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return;
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}
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if (da->array != NULL) {
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for (size_t i = 0; i < da->size; i++) {
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free(da->array[i]);
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}
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free(da->array);
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}
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free(da);
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}
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char **dynarray_convert(DynArray *da) {
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char **array = da->array;
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da->array = NULL;
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dynarray_free(da);
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return array;
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}
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#include "package.h"
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static char *ignored_names[5] = {
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".BUILDINFO",
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".INSTALL",
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".MTREE",
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".PKGINFO",
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".CHANGELOG"
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};
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static int ignored_words_len = sizeof(ignored_names) / sizeof(char *);
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Pkg *package_init() {
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return calloc(sizeof(PkgInfo), 1);
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}
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Pkg *package_read_archive(const char *pkg_path) {
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struct archive *a = archive_read_new();
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struct archive_entry *entry = archive_entry_new();
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// These three are the most commonly used compression methods
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archive_read_support_filter_zstd(a);
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archive_read_support_filter_gzip(a);
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archive_read_support_filter_xz(a);
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// Contents should always be a tarball
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archive_read_support_format_tar(a);
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// TODO where does this 10240 come from?
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int r = archive_read_open_filename(a, pkg_path, 10240);
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// Exit early if we weren't able to successfully open the archive for reading
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if (r != ARCHIVE_OK) {
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return NULL;
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}
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int compression_code = archive_filter_code(a, 0);
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const char *path_name;
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PkgInfo *pkg_info;
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DynArray *files = dynarray_init(16);
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while (archive_read_next_header(a, &entry) == ARCHIVE_OK) {
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path_name = archive_entry_pathname(entry);
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bool ignore = false;
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for (size_t i = 0; i < ignored_words_len; i++) {
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if (strcmp(path_name, ignored_names[i]) == 0) {
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ignore = true;
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break;
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}
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}
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if (!ignore) {
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dynarray_add(files, path_name);
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}
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if (strcmp(path_name, ".PKGINFO") == 0) {
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// Read data of file into memory buffer
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int size = archive_entry_size(entry);
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char *buf = malloc(size);
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archive_read_data(a, buf, size);
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// Parse package info string into a struct
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pkg_info = package_info_init();
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package_info_parse(pkg_info, buf);
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free(buf);
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} else {
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archive_read_data_skip(a);
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}
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}
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// Get size of file
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struct stat stats;
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if (stat(pkg_path, &stats) != 0) {
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return NULL;
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}
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pkg_info->csize = stats.st_size;
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archive_read_free(a);
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archive_entry_free(entry);
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// Create final return value
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Pkg *pkg = package_init();
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pkg->path = strdup(pkg_path);
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pkg->info = pkg_info;
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pkg->files = files;
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pkg->compression = compression_code;
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return pkg;
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}
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char *package_to_description(Pkg *pkg) {
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}
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@ -1,79 +0,0 @@
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#include <stdbool.h>
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#include "package_info.h"
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#define PKG_INFO_STRING(key_ptr, field) if ((value_ptr = strstr(value_ptr, key_ptr)) != NULL) { \
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value_ptr += strlen(key_ptr);\
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tail_ptr = strchr(value_ptr, '\n');\
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tail_ptr[0] = '\0'; \
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pkg_info->field = strdup(value_ptr); \
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tail_ptr[0] = '\n'; \
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} value_ptr = tail_ptr;
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#define PKG_INFO_INT(key_ptr, field) value_ptr = strstr(value_ptr, key_ptr) + strlen(key_ptr);\
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tail_ptr = strchr(value_ptr, '\n');\
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tail_ptr[0] = '\0'; \
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pkg_info->field = atoi(value_ptr); \
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tail_ptr[0] = '\n'; \
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value_ptr = tail_ptr;
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#define PKG_INFO_ARRAY(key_ptr, field) while((value_ptr = strstr(value_ptr, key_ptr)) != NULL){ \
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value_ptr = value_ptr + strlen(key_ptr);\
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tail_ptr = strchr(value_ptr, '\n'); \
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tail_ptr[0] = '\0'; \
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if(pkg_info->field == NULL) { pkg_info->field = dynarray_init(4); } \
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dynarray_add(pkg_info->field, value_ptr); \
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tail_ptr[0] = '\n'; \
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value_ptr = tail_ptr;\
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} value_ptr = tail_ptr;
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PkgInfo *package_info_init() {
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return calloc(1, sizeof(PkgInfo));
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}
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void package_info_free(PkgInfo *pkg_info) {
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FREE_STRING(pkg_info->name);
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FREE_STRING(pkg_info->base);
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FREE_STRING(pkg_info->version);
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FREE_STRING(pkg_info->description);
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FREE_STRING(pkg_info->url);
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FREE_STRING(pkg_info->arch);
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FREE_STRING(pkg_info->packager);
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FREE_STRING(pkg_info->pgpsig);
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dynarray_free(pkg_info->groups);
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dynarray_free(pkg_info->licenses);
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dynarray_free(pkg_info->replaces);
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dynarray_free(pkg_info->depends);
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dynarray_free(pkg_info->conflicts);
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dynarray_free(pkg_info->provides);
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dynarray_free(pkg_info->optdepends);
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dynarray_free(pkg_info->makedepends);
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dynarray_free(pkg_info->checkdepends);
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free(pkg_info);
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}
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void package_info_parse(PkgInfo *pkg_info, char *pkg_info_str) {
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char *value_ptr = pkg_info_str, *tail_ptr;
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PKG_INFO_STRING("\npkgname = ", name);
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PKG_INFO_STRING("\npkgbase = ", base);
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PKG_INFO_STRING("\npkgver = ", version);
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PKG_INFO_STRING("\npkgdesc = ", description);
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PKG_INFO_STRING("\nurl = ", url);
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PKG_INFO_INT("\nbuilddate = ", build_date);
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PKG_INFO_STRING("\npackager = ", packager);
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PKG_INFO_INT("\nsize = ", size);
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PKG_INFO_STRING("\narch = ", arch);
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PKG_INFO_ARRAY("\nlicense = ", licenses);
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PKG_INFO_ARRAY("\nreplaces = ", replaces);
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PKG_INFO_ARRAY("\ngroup = ", groups);
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PKG_INFO_ARRAY("\nconflict = ", conflicts);
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PKG_INFO_ARRAY("\nprovides = ", provides);
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PKG_INFO_ARRAY("\ndepend = ", depends);
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PKG_INFO_ARRAY("\noptdepend = ", optdepends);
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PKG_INFO_ARRAY("\nmakedepend = ", makedepends);
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PKG_INFO_ARRAY("\ncheckdepend = ", checkdepends);
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}
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