Refactor project structure

1 files changed, 0 insertions, 237 deletions

diff --git a/relocation.c b/relocation.c
deleted file mode 100644
index 13ae799..0000000
--- a/relocation.c
+++ /dev/null
@@ -1,237 +0,0 @@
-#include "spm.h"
-
-int replace_text(char *data, const char *spattern, const char *sreplacement) {
-    char *tmp = data;
-    size_t data_len = strlen(data);
-    size_t spattern_len = strlen(spattern);
-    size_t sreplacement_len = strlen(sreplacement);
-
-    if (sreplacement_len > spattern_len) {
-        fprintf(stderr, "replacement string too long\n");
-        return -1;
-    }
-
-    while (*tmp != '\0') {
-        if (strncmp(tmp, spattern, spattern_len) == 0) {
-            memmove(tmp, sreplacement, sreplacement_len);
-            memmove(tmp + sreplacement_len, tmp + spattern_len, data_len - spattern_len);
-        }
-        tmp++;
-    }
-    return 0;
-}
-
-/**
- * Replace all occurrences of `oldstr` in file `path` with `newstr`
- * @param filename
- * @param oldstr
- * @param newstr
- * @return success=0, failure=-1, or value of `ferror()`
- */
-int file_replace_text(char *filename, const char *spattern, const char *sreplacement) {
-    char data[BUFSIZ];
-    char tempfile[PATH_MAX];
-    FILE *fp = NULL;
-    if ((fp = fopen(filename, "r")) == NULL) {
-        perror(filename);
-        return -1;
-    }
-
-    sprintf(tempfile, "%s.spmfrt", filename);
-    FILE *tfp = NULL;
-    if ((tfp = fopen(tempfile, "w+")) == NULL) {
-        perror(tempfile);
-        return -1;
-    }
-
-    // Zero the data buffer
-    memset(data, '\0', BUFSIZ);
-    while(fgets(data, BUFSIZ, fp) != NULL) {
-        replace_text(data, spattern, sreplacement);
-        fprintf(tfp, "%s", data);
-    }
-    fclose(fp);
-    rewind(tfp);
-
-    // Truncate the original file
-    if ((fp = fopen(filename, "w+")) == NULL) {
-        perror(filename);
-        return -1;
-    }
-    // Zero the data buffer once more
-    memset(data, '\0', BUFSIZ);
-    // Dump the contents of the temporary file into the original file
-    while(fgets(data, BUFSIZ, tfp) != NULL) {
-        fprintf(fp, "%s", data);
-    }
-    fclose(fp);
-    fclose(tfp);
-
-    // Remove temporary file
-    unlink(tempfile);
-    return 0;
-}
-
-/**
- * Free memory allocated by `prefixes_read` function
- * @param entry array of RelocationEntry
- */
-void prefixes_free(RelocationEntry **entry) {
-    if (!entry) {
-        return;
-    }
-    for (int i = 0; entry[i] != NULL; i++) {
-        if (entry[i]->prefix) free(entry[i]->prefix);
-        if (entry[i]->path) free(entry[i]->path);
-        if (entry[i]) free(entry[i]);
-    }
-    free(entry);
-}
-
-/**
- * Parse a prefix file
- *
- * The file format is as follows:
- *
- * ~~~
- * #prefix
- * path
- * #prefix
- * path
- * #...N
- * ...N
- * ~~~
- * @param filename
- * @return success=array of RelocationEntry, failure=NULL
- */
-RelocationEntry **prefixes_read(const char *filename) {
-    size_t i = 0;
-    int record_count = 0;
-    int parity = 0;
-    FILE *fp = fopen(filename, "r");
-    if (!fp) {
-        fprintf(SYSERROR);
-        return NULL;
-    }
-    RelocationEntry **entry = NULL;
-    char line[BUFSIZ];
-    memset(line, '\0', BUFSIZ);
-
-    while (fgets(line, BUFSIZ, fp) != NULL) {
-        if (isempty(line)) {
-            continue;
-        }
-        record_count++;
-    }
-    rewind(fp);
-
-    // Initialize the relocation entry array
-    if (record_count == 0) {
-        return NULL;
-    }
-
-    parity = record_count % 2;
-    if (parity != 0) {
-        fprintf(stderr, "%s: records are not divisible by 2 (got: %d %% 2 = %d)\n", filename, record_count, parity);
-        return NULL;
-    }
-    record_count /= 2;
-
-    entry = (RelocationEntry **)calloc(record_count + 1, sizeof(RelocationEntry *));
-    if (!entry) {
-        return NULL;
-    }
-    for (int i = 0; i < record_count; i++) {
-        entry[i] = (RelocationEntry *) calloc(1, sizeof(RelocationEntry));
-        if (!entry[i]) {
-            return NULL;
-        }
-    }
-
-    int do_prefix = 0;
-    int do_path = 0;
-    while (fgets(line, BUFSIZ, fp) != NULL) {
-        char *wtf = line;
-        if (isempty(line)) {
-            continue;
-        }
-        if (startswith(line, "#") == 0) {
-            do_prefix = 1;
-        }
-        else {
-            do_path = 1;
-        }
-
-        // Allocate a relocation record
-        if (!entry[i]) {
-            fclose(fp);
-            return NULL;
-        }
-
-
-        if (do_prefix) {
-            // Populate prefix data (a prefix starts with a #)
-            entry[i]->prefix = (char *) calloc(strlen(line) + 1, sizeof(char));
-            if (!entry[i]->prefix) {
-                fclose(fp);
-                return NULL;
-            }
-            strncpy(entry[i]->prefix, line, strlen(line));
-            // Remove prefix delimiter and whitespace
-            strchrdel(entry[i]->prefix, "#");
-            entry[i]->prefix = strip(entry[i]->prefix);
-            do_prefix = 0;
-            continue;
-        }
-
-        else if (do_path) {
-            // Populate path data
-            entry[i]->path = (char *) calloc(strlen(line) + 1, sizeof(char));
-            if (!entry[i]->path) {
-                fclose(fp);
-                return NULL;
-            }
-            strncpy(entry[i]->path, line, strlen(line));
-            entry[i]->path = strip(entry[i]->path);
-            do_path = 0;
-        }
-        i++;
-    }
-    fclose(fp);
-    return entry;
-}
-
-int relocate(const char *_filename, const char *_oldstr, const char *_newstr) {
-    int returncode;
-    Process *proc = NULL;
-    char *oldstr = strdup(_oldstr);
-    char *newstr = strdup(_newstr);
-    char *filename = strdup(_filename);
-    char cmd[PATH_MAX];
-
-    memset(cmd, '\0', sizeof(cmd));
-    sprintf(cmd, "reloc \"%s\" \"%s\" \"%s\" \"%s\"", oldstr, newstr, filename, filename);
-
-    // sanitize command
-    strchrdel(cmd, "&;|");
-
-    shell(&proc, SHELL_OUTPUT, cmd);
-    if (!proc) {
-        free(oldstr);
-        free(newstr);
-        free(filename);
-        return -1;
-    }
-
-    returncode = proc->returncode;
-    if (returncode != 0 && proc->output) {
-        fprintf(stderr, proc->output);
-    }
-
-    shell_free(proc);
-    free(oldstr);
-    free(newstr);
-    free(filename);
-    return returncode;
-}
-