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authorJoseph Hunkeler <jhunkeler@gmail.com>2020-03-18 22:25:27 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2020-03-18 22:25:27 -0400
commitccaeb7092b5ad40b1b3833c987ba3ec4d47f0bb8 (patch)
treeae167772a9a2343aa77bf8944b56abe853f6a2ec /src/find.c
parent3731bb4679ee8716d4f579d5744c36a2d1b4a257 (diff)
downloadspmc-ccaeb7092b5ad40b1b3833c987ba3ec4d47f0bb8.tar.gz
Refactor project: build/install libspm[_static.a].so to make unit testing possible
Diffstat (limited to 'src/find.c')
-rw-r--r--src/find.c151
1 files changed, 0 insertions, 151 deletions
diff --git a/src/find.c b/src/find.c
deleted file mode 100644
index 348a8f7..0000000
--- a/src/find.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/**
- * @file find.c
- */
-#include "spm.h"
-
-/**
- * glob callback function
- * @param epath path to file that generated the error condition
- * @param eerrno the error condition
- * @return the error condition
- */
-int errglob(const char *epath, int eerrno) {
- fprintf(stderr, "glob matching error: %s (%d)", epath, eerrno);
- return eerrno;
-}
-
-/**
- * Scan a directory for a file by name, or by wildcard
- *
- * @param root directory path to scan
- * @param filename file to find (wildcards accepted)
- * @return success=path to file, failure=NULL
- */
-char *find_file(const char *root, const char *filename) {
- glob_t results;
- int glob_flags = 0;
- int match = 0;
- char path[PATH_MAX];
- memset(path, '\0', PATH_MAX);
-
- // GUARD
- if (!root || !filename || strstr(filename, "..") || strstr(filename, "./")) {
- return NULL;
- }
-
- if (realpath(root, path) == NULL) {
- perror("Cannot determine realpath()");
- fprintf(SYSERROR);
- return NULL;
- }
-
- strcat(path, "/");
- strcat(path, filename);
-
- // Save a little time if the file exists
- if (access(path, F_OK) != -1) {
- return strdup(path);
- }
-
- // Inject wildcard
- strcat(path, "*");
- // Search for the file
- match = glob(path, glob_flags, errglob, &results);
-
- if (match != 0) {
- // report critical errors except GLOB_NOMATCH
- if (match == GLOB_NOSPACE || match == GLOB_ABORTED) {
- fprintf(SYSERROR);
- }
- globfree(&results);
- return NULL;
- }
-
- // Replace path string with wanted path string
- strcpy(path, results.gl_pathv[0]);
-
- globfree(&results);
- return strdup(path);
-}
-
-/**
- * Scan the package directory for a package by name
- * @param filename file to find
- * @return success=path to file, failure=NULL
- */
-char *find_package(const char *filename) {
- char *repo = join((char *[]) {SPM_GLOBAL.package_dir, SPM_GLOBAL.repo_target, NULL}, DIRSEPS);
- char *match = find_file(repo, filename);
- free(repo);
- return match;
-}
-
-/**
- * Determine whether `pattern` is present within a file
- * @param filename
- * @param pattern
- * @return 0=found, 1=not found, -1=OS error
- */
-int find_in_file(const char *filename, const char *pattern) {
- int result = 1; // default "not found"
-
- FILE *fp = fopen(filename, "rb");
- if (!fp) {
- return -1;
- }
-
- long int file_len = get_file_size(filename);
- if (file_len == -1) {
- fclose(fp);
- return -1;
- }
- char *buffer = (char *)calloc((size_t) file_len, sizeof(char));
- if (!buffer) {
- fclose(fp);
- return -1;
- }
- size_t pattern_len = strlen(pattern);
-
- fread(buffer, (size_t) file_len, sizeof(char), fp);
- fclose(fp);
-
- for (size_t i = 0; i < (size_t) file_len; i++) {
- if (memcmp(&buffer[i], pattern, pattern_len) == 0) {
- result = 0; // found
- break;
- }
- }
- free(buffer);
- return result;
-}
-
-/**
- * Get the full path of a shell command
- * @param program
- * @return success=absolute path to program, failure=NULL
- */
-char *find_executable(const char *program) {
- int found = 0;
- char *result = NULL;
- char *env_path = NULL;
- env_path = getenv("PATH");
- if (!env_path) {
- return NULL;
- }
- char **search_paths = split(env_path, ":");
-
- char buf[PATH_MAX];
- for (int i = 0; search_paths[i] != NULL; i++) {
- sprintf(buf, "%s%c%s", search_paths[i], DIRSEP, program);
- if (access(buf, F_OK | X_OK) == 0) {
- found = 1;
- break;
- }
- memset(buf, '\0', sizeof(buf));
- }
- if (found) {
- result = strdup(buf);
- }
- split_free(search_paths);
- return result;
-}