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author | Joseph Hunkeler <jhunkeler@gmail.com> | 2019-12-18 21:57:51 -0500 |
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committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2019-12-18 21:57:51 -0500 |
commit | 534657dd6fc2ee98159e41d2700554fed0da2c4e (patch) | |
tree | d9316757b060d68e5640ea9ecb56b29c62adedfc /deps.c | |
parent | 3166627f1485e2f05421fe874b2236852fe5d017 (diff) | |
download | spmc-534657dd6fc2ee98159e41d2700554fed0da2c4e.tar.gz |
Refactor project structure
Diffstat (limited to 'deps.c')
-rw-r--r-- | deps.c | 188 |
1 files changed, 0 insertions, 188 deletions
@@ -1,188 +0,0 @@ -// -// Created by jhunk on 12/16/19. -// -#include "spm.h" - -int exists(const char *filename) { - return access(filename, F_OK); -} - -int dep_seen(Dependencies **deps, const char *name) { - if (!deps) { - return -1; - } - for (int i = 0; i != (*deps)->records; i++) { - if (strstr((*deps)->list[i], name) != NULL) { - return 1; - } - } - return 0; -} - -int dep_init(Dependencies **deps) { - (*deps) = (Dependencies *)calloc(1, sizeof(Dependencies)); - (*deps)->__size = 2; - (*deps)->records = 0; - (*deps)->list = (char **)calloc((*deps)->__size, sizeof(char *)); - if (!(*deps)->list) { - return -1; - } - return 0; -} - -void dep_free(Dependencies **deps) { - if ((*deps) != NULL) { - return; - } - for (int i = 0; i < (*deps)->__size; i++) { - if ((*deps)->list[i] != NULL) { - free((*deps)->list[i]); - } - } - free((*deps)); -} - -int dep_append(Dependencies **deps, char *_name) { - char *name = NULL; - char *bname = NULL; - - if (!(*deps)) { - return -1; - } - - name = find_package(_name); - if (!name) { - perror(_name); - fprintf(SYSERROR); - return -1; - } - - bname = basename(name); - if (!bname) { - perror(name); - fprintf(SYSERROR); - return -1; - } - - (*deps)->__size++; - (*deps)->list = (char **)realloc((*deps)->list, sizeof(char *) * (*deps)->__size); - if (!(*deps)->list) { - free(name); - return -1; - } - - (*deps)->list[(*deps)->records] = (char *)calloc(strlen(bname) + 1, sizeof(char)); - if (!(*deps)->list[(*deps)->records]) { - free(name); - return -1; - } - - strcpy((*deps)->list[(*deps)->records], bname); - (*deps)->records++; - - free(name); - return 0; -} - -int dep_solve(Dependencies **deps, const char *filename) { - if (!(*deps)) { - return -1; - } - if (exists(filename) != 0) { - return -1; - } - FILE *fp = fopen(filename, "r"); - if (!fp) { - perror(filename); - return -1; - } - - char data[BUFSIZ]; - memset(data, '\0', sizeof(data)); - - char *line = data; - int line_count = 0; - while (fgets(line, BUFSIZ, fp) != NULL) { - size_t line_length = strlen(line); - if (line_length > 1 && strstr(line, "\r\n")) { - line[line_length - 2] = '\0'; - } - if (line_length > 1 && line[line_length - 1] == '\n') { - line[line_length - 1] = '\0'; - } - if (strcmp(line, "") == 0) { - continue; - } - line_count++; - if (dep_seen(deps, line) > 0) { - // Already seen this dependency. Skip it. - continue; - } - else { - // Have not seen this dependency before - if (dep_append(deps, line) == 0) { - dep_solve(deps, line); - } - } - } - fclose(fp); - return line_count; -} - -int dep_all(Dependencies **deps, const char *_package) { - static int next = 0; - char *package = NULL; - char depfile[PATH_MAX]; - char template[PATH_MAX]; - char suffix[PATH_MAX] = "spm_depends_all_XXXXXX"; - - // Verify the requested package pattern exists - package = find_package(_package); - if (!package) { - perror(_package); - fprintf(SYSERROR); - return -1; - } - - // Create a new temporary directory and extract the requested package into it - sprintf(template, "%s%c%s", TMP_DIR, DIRSEP, suffix); - char *tmpdir = mkdtemp(template); - if (!tmpdir) { - perror(template); - fprintf(SYSERROR); - return -1; - } - if (tar_extract_file(package, ".SPM_DEPENDS", tmpdir) < 0) { - perror(package); - fprintf(SYSERROR); - return -1; - } - - // Scan depencency tree - sprintf(depfile, "%s%c%s", tmpdir, DIRSEP, ".SPM_DEPENDS"); - int resolved = dep_solve(deps, depfile); - - // NOTE: - // 1. `resolved` is the number of dependencies for the package we're scanning - // 2. `next` permits us to converge on `resolved`, otherwise `i` would reset to `0` each time `dep_all` is called - for (int i = next; i < resolved; i++) { - next++; - if (dep_seen(deps, (*deps)->list[i])) { - dep_all(deps, (*deps)->list[i]); - } - } - - // Remove temporary data - unlink(depfile); - unlink(tmpdir); - return 0; -} - -void dep_show(Dependencies **deps) { - if ((*deps) == NULL) { - return; - } - for (int i = 0; i < (*deps)->records; i++) { - printf("%d: %s\n", i, (*deps)->list[i]); - } -} |