From f1638f63a7e0ffe854ec6bb940c4ed1e4a175215 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <hr@hrhr.dev>
Date: Fri, 27 Mar 2020 00:42:31 -0400
Subject: initial commit
---
Makefile | 9 +++++++++
badroff.c | 18 +++++++++++++++++
sb.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
sb.h | 11 +++++++++++
4 files changed, 105 insertions(+)
create mode 100644 Makefile
create mode 100644 badroff.c
create mode 100644 sb.c
create mode 100644 sb.h
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..32e5f37
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+.POSIX:
+.PHONY: all clean
+OBJS = badroff.o sb.o
+badroff: $(OBJS)
+ $(CC) $(OBJS)
+badroff.o: badroff.c sb.h
+sb.o: sb.c sb.h
+clean:
+ rm -f badroff $(OBJS)
diff --git a/badroff.c b/badroff.c
new file mode 100644
index 0000000..5149c23
--- /dev/null
+++ b/badroff.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include "sb.h"
+
+int main(int argc, char** argv){
+ FILE* in;
+ int c;
+ if (argc >= 2)
+ in = fopen(argv[1], "r");
+ else
+ in = stdin;
+ if (in == NULL){
+ perror(argv[1]);
+ return 1;
+ }
+ while ( (c = fgetc(in)) != EOF){
+
+ }
+}
diff --git a/sb.c b/sb.c
new file mode 100644
index 0000000..0353545
--- /dev/null
+++ b/sb.c
@@ -0,0 +1,67 @@
+#include <stdlib.h>
+#include <string.h>
+#include "sb.h"
+
+struct node{ // linked list, but strings don't have to be max size
+ size_t cap;
+ size_t len;
+ char* text;
+ node* next;
+};
+
+// malloc might fail, but the entire program should just crash if it does
+node* newsb(size_t cap){
+ node* sb;
+ sb = malloc(sizeof(node));
+ sb->text = malloc(sizeof(char)*cap);
+ sb->len = 0; sb->cap = cap;
+ sb->next = NULL;
+ return sb;
+}
+
+node* extendsb(node* tail){
+ tail->next = newsb(tail->cap*2);
+ return tail->next;
+}
+
+node* appendsb(node* tail, const char* str){
+ for (int i=0; str[i] != '\0'; i++){
+ if (tail->len == tail->cap) tail = extendsb(tail); // if full, extend
+ *(tail->text + tail->len) = str[i]; // copy str[i] to last open spot
+ tail->len++;
+ }
+ return tail;
+}
+///////// i want to prevent this duplication but cant figure out how :(
+
+node* addchrsb(node* tail, char chr){
+ if (tail->len == tail->cap) tail = extendsb(tail); // if full, extend
+ *(tail->text + tail->len) = chr; // copy str[i] to last open spot
+ tail->len++;
+ return tail;
+}
+
+char* tostr(node* head){ // destructive; frees the whole chain
+ int len;
+ char* str;
+ len = lensb(head);
+ str = malloc((len+1)*sizeof(char)); // need +1 for null terminator
+ str[len] = '\0';
+
+ len = 0; //controls progression through str
+ do {
+ strncpy(str+len, head->text, head->len);
+ len += head->len;
+ head = head->next;
+ free(head);
+ } while ( head != NULL);
+ return str;
+}
+
+int lensb(node* head){ // how much space do i need to concat all strings
+ int len = 0;
+ do {
+ len += head->len;
+ } while ( (head = head->next) != NULL);
+ return len;
+}
diff --git a/sb.h b/sb.h
new file mode 100644
index 0000000..e3785fd
--- /dev/null
+++ b/sb.h
@@ -0,0 +1,11 @@
+#ifndef _SB_INCLUDE
+#define _SB_INCLUDE
+
+typedef struct node node;
+node* newsb(size_t cap);
+node* extendsb(node* tail);
+node* appendsb(node* tail, const char* str);
+char* tostr(node* head);
+int lensb(node* head);
+
+#endif
--
cgit