From 534d2e4abb5ef821de5e04302d9217ba7bba5feb Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 13 Nov 2019 16:46:39 -0500
Subject: Rename main.c

---
 main.c | 184 -----------------------------------------------------------------
 1 file changed, 184 deletions(-)
 delete mode 100644 main.c

(limited to 'main.c')

diff --git a/main.c b/main.c
deleted file mode 100644
index ee3cc0b..0000000
--- a/main.c
+++ /dev/null
@@ -1,184 +0,0 @@
-#include "reloc.h"
-
-
-RelocMatch *reloc_match(char *haystack, const char *needle) {
-    char *data = haystack;
-    size_t needle_size = strlen(needle);
-    RelocMatch *match = NULL;
-
-    // Search the needle in the data
-    if (!(memcmp(data, needle, needle_size))) {
-        if (!(match = calloc(1, sizeof(RelocMatch)))) {
-            fprintf(stderr,"Failed to allocate RelocMatch structure: %s\n", strerror(errno));
-            exit(1);
-        }
-        size_t data_end = strlen(data);
-        match->begin = data;
-        match->end = match->begin + needle_size;
-        match->length = match->end - match->begin;
-        match->post = match->end;
-        match->post_length = strlen(match->post);
-        match->total_length = data_end;
-    }
-    return match;
-}
-
-
-RelocData *reloc_read(const char *filename) {
-    char *data = NULL;
-    FILE *fp = NULL;
-    size_t size = 0;
-    RelocData *result;
-
-    // Open file for reading in binary mode
-    if (!(fp = fopen(filename, "rb"))) {
-        fprintf(stderr, "Cannot open %s: %s\n", filename, strerror(errno));
-        exit(1);
-    }
-
-    // Determine file size
-    fseek(fp, 0, SEEK_END);
-    size = ftell(fp);
-    rewind(fp);
-
-    if (!(data = calloc(sizeof(char), size + 1))) {
-        fprintf(stderr, "Failed to allocate data array: %s\n", strerror(errno));
-        exit(1);
-    }
-
-    // Read data into array
-    fread(data, sizeof(char), size, fp);
-    if (!(result = (RelocData *)malloc(sizeof(RelocData)))) {
-        fprintf(stderr, "Failed to allocate RelocData structure: %s\n", strerror(errno));
-        exit(1);
-    }
-    result->size = size;
-    result->data = data;
-    result->path = strdup(filename);
-    return result;
-}
-
-
-size_t reloc_write(RelocData *finfo, const char *filename) {
-    FILE *fp;
-
-    // Open file for writing in binary mode
-    if (!(fp = fopen(filename, "w+b"))) {
-        fprintf(stderr,"Cannot open %s for writing: %s\n", filename, strerror(errno));
-        exit(1);
-    }
-
-    // Write data
-    return fwrite(finfo->data, sizeof(char), finfo->size, fp);
-}
-
-
-void reloc_deinit_data(RelocData *finfo) {
-    if (finfo) {
-        if (finfo->path) {
-            free(finfo->path);
-        }
-        free(finfo);
-    }
-}
-
-
-void reloc_replace(RelocMatch *match, const char *rstr) {
-    size_t rstr_length = strlen(rstr);
-    if (rstr_length > match->length) {
-        fprintf(stderr, "Replacement string is too long ("SIZE_T_FMT " > " SIZE_T_FMT ")\n", rstr_length, match->length);
-        return;
-    }
-    char *data = match->begin;
-    size_t i = 0;
-
-    // Overwrite data with replacement string
-    while (i < rstr_length) {
-        *data = *rstr;
-        data++;
-        rstr++;
-        i++;
-    }
-
-    i = 0;
-    // Append remaining bytes not part of the original match to the replaced string
-    char *post = match->post;
-    while (i < match->post_length) {
-        *data = *post;
-        data++;
-        post++;
-        i++;
-    }
-
-    // Destroy bytes between the end of the original data and the end of the replaced string
-    memset(data, '\0', post - data);
-}
-
-
-void show_version() {
-    printf("%s\n", VERSION);
-}
-
-
-int main(int argc, char *argv[]) {
-    char *program = argv[0];
-    char *program_relative = strrchr(program, DIRSEP);
-    if (program_relative) {
-        program = program_relative + 1;
-    }
-
-    for (int i = 0; i < argc; i++) {
-        if (!strcmp(argv[i], "--version") || !strcmp(argv[i], "-V")) {
-            show_version();
-            exit(0);
-        }
-    }
-
-    if (argc < 5) {
-        printf("%s [-V] <str1> <str2> <input_file> <output_file>\n"
-               "\n"
-               "Arguments:\n"
-               "--version (-V) - Display version and exit\n"
-               "str1           - Pattern to search for\n"
-               "str2           - Replace str1 with contents of str2\n"
-               "input_file     - Path to input file\n"
-               "output_file    - Path to output file\n"
-               "\n"
-               "Example:\n"
-               "%s /original/path /new/path input.bin output.bin\n"
-               "\n", program, program);
-        exit(1);
-    }
-
-    char *needle = strdup(argv[1]);
-    char *replacement = strdup(argv[2]);
-    char *input_file = strdup(argv[3]);
-    char *output_file = strdup(argv[4]);
-    RelocData *info = reloc_read(input_file);
-    size_t records = 0;
-
-    for (size_t i = 0; i < info->size; i++) {
-        RelocMatch *match = NULL;
-        if (!(match = reloc_match(&info->data[i], needle))) {
-            // No match found
-            continue;
-        }
-        // Replace string
-        reloc_replace(match, replacement);
-        free(match);
-        records++;
-    }
-
-    // Write output file to disk
-    reloc_write(info, output_file);
-
-    // Report number of strings processed
-    printf(SIZE_T_FMT"\n", records);
-
-    free(needle);
-    free(replacement);
-    free(input_file);
-    free(output_file);
-    reloc_deinit_data(info);
-    return 0;
-}
-- 
cgit