Merge pull request #61 from jhunkeler/restructure-the-world

Restructure the world

1 files changed, 0 insertions, 155 deletions

diff --git a/src/relocation.c b/src/relocation.c
deleted file mode 100644
index 852aca4..0000000
--- a/src/relocation.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/**
- * @file relocation.c
- */
-#include "relocation.h"
-#include "str.h"
-
-/**
- * Replace all occurrences of `target` with `replacement` in `original`
- *
- * ~~~{.c}
- * char *str = calloc(100, sizeof(char));
- * strcpy(str, "This are a test.");
- * if (replace_text(str, "are", "is")) {
- *     fprintf(stderr, "string replacement failed\n");
- *     exit(1);
- * }
- * // str is: "This is a test."
- * free(str);
- * ~~~
- *
- * @param original string to modify
- * @param target string value to replace
- * @param replacement string value
- * @return 0 on success, -1 on error
- */
-int replace_text(char *original, const char *target, const char *replacement, unsigned flags) {
-    char buffer[STASIS_BUFSIZ];
-    char *pos = original;
-    char *match = NULL;
-    size_t original_len = strlen(original);
-    size_t target_len = strlen(target);
-    size_t rep_len = strlen(replacement);
-    size_t buffer_len = 0;
-
-    if (original_len > sizeof(buffer)) {
-        errno = EINVAL;
-        SYSERROR("The original string is larger than buffer: %zu > %zu\n", original_len, sizeof(buffer));
-        return -1;
-    }
-
-    memset(buffer, 0, sizeof(buffer));
-    if ((match = strstr(pos, target))) {
-        while (*pos != '\0') {
-            // append to buffer the bytes leading up to the match
-            strncat(buffer, pos, match - pos);
-            // position in the string jump ahead to the beginning of the match
-            pos = match;
-
-            // replacement is shorter than the target
-            if (rep_len < target_len) {
-                // shrink the string
-                strcat(buffer, replacement);
-                memmove(pos, pos + target_len, strlen(pos) - target_len);
-                memset(pos + (strlen(pos) - target_len), 0, target_len);
-            } else { // replacement is longer than the target
-                // write the replacement value to the buffer
-                strcat(buffer, replacement);
-                // target consumed. jump to the end of the substring.
-                pos += target_len;
-            }
-            if (flags & REPLACE_TRUNCATE_AFTER_MATCH) {
-                if (strstr(pos, LINE_SEP)) {
-                    strcat(buffer, LINE_SEP);
-                }
-                break;
-            }
-            // find more matches
-            if (!(match = strstr(pos, target))) {
-                // no more matches
-                // append whatever remains to the buffer
-                strcat(buffer, pos);
-                // stop
-                break;
-            }
-        }
-    } else {
-        return 0;
-    }
-
-    buffer_len = strlen(buffer);
-    if (buffer_len < original_len) {
-        // truncate whatever remains of the original buffer
-        memset(original + buffer_len, 0, original_len - buffer_len);
-    }
-    // replace original with contents of buffer
-    strcpy(original, buffer);
-    return 0;
-}
-
-/**
- * Replace `target` with `replacement` in `filename`
- *
- * ~~~{.c}
- * if (file_replace_text("/path/to/file.txt", "are", "is")) {
- *     fprintf(stderr, "failed to replace strings in file\n");
- *     exit(1);
- * }
- * ~~~
- *
- * @param filename path to file
- * @param target string value to replace
- * @param replacement string
- * @return 0 on success, -1 on error
- */
-int file_replace_text(const char* filename, const char* target, const char* replacement, unsigned flags) {
-    int result;
-    char buffer[STASIS_BUFSIZ];
-    char tempfilename[] = "tempfileXXXXXX";
-    FILE *fp;
-    FILE *tfp;
-
-    fp = fopen(filename, "r");
-    if (!fp) {
-        fprintf(stderr, "unable to open for reading: %s\n", filename);
-        return -1;
-    }
-
-    tfp = fopen(tempfilename, "w+");
-    if (!tfp) {
-        SYSERROR("unable to open temporary fp for writing: %s", tempfilename);
-        fclose(fp);
-        return -1;
-    }
-
-    // Write modified strings to temporary file
-    result = 0;
-    while (fgets(buffer, sizeof(buffer), fp) != NULL) {
-        if (strstr(buffer, target)) {
-            if (replace_text(buffer, target, replacement, flags)) {
-                result = -1;
-            }
-        }
-        fputs(buffer, tfp);
-    }
-    fflush(tfp);
-
-    // Replace original with modified copy
-    fclose(fp);
-    fp = fopen(filename, "w+");
-    if (!fp) {
-        SYSERROR("unable to reopen %s for writing", filename);
-        return -1;
-    }
-
-    // Update original file
-    rewind(tfp);
-    while (fgets(buffer, sizeof(buffer), tfp) != NULL) {
-        fputs(buffer, fp);
-    }
-    fclose(fp);
-    fclose(tfp);
-
-    remove(tempfilename);
-    return result;
-}
\ No newline at end of file