From 9f9476c233dae1b45492891f20b085e1b82d3c73 Mon Sep 17 00:00:00 2001
From: Liam Waldron <liamwaldron@everestlinux.org>
Date: Thu, 19 Oct 2023 08:33:26 -0400
Subject: [PATCH] init

---
 Makefile            |  9 +++++++++
 README              | 19 +++++++++++++++++++
 config.mk           |  6 ++++++
 include/csvparser.h |  7 +++++++
 man/libcsvparser.3  | 16 ++++++++++++++++
 src/libcsvparser.c  | 35 +++++++++++++++++++++++++++++++++++
 6 files changed, 92 insertions(+)
 create mode 100644 Makefile
 create mode 100644 README
 create mode 100644 config.mk
 create mode 100644 include/csvparser.h
 create mode 100644 man/libcsvparser.3
 create mode 100644 src/libcsvparser.c

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..8da406e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+include config.mk
+
+all:
+	$(CC) -c src/libcsvparser.c -o src/libcsvparser.o
+	ar -rc src/libcsvparser.a src/libcsvparser.o
+
+install:
+	install src/libcsvparser.a $(PREFIX)/lib
+	install include/libcsvparser.h $(PREFIX)/include
diff --git a/README b/README
new file mode 100644
index 0000000..5db1bd6
--- /dev/null
+++ b/README
@@ -0,0 +1,19 @@
++ libcsvparser
+
+A very simple CSV parsing library
+
++ Usage
+
+	#include <csvparser.h>
+
+	int main() {
+		parse_tokens(FILE);
+	}
+
+	(user)$ gcc prog.c -lcsvparser -o prog
+
+	See 'man 3 libcsvparser' for more information.
+
++ Installation
+
+	Customize config.mk, then run 'make', followed by 'make install' as root.
diff --git a/config.mk b/config.mk
new file mode 100644
index 0000000..df51552
--- /dev/null
+++ b/config.mk
@@ -0,0 +1,6 @@
+#
+# config.mk
+#
+
+CC = /bin/gcc
+PREFIX = /usr
diff --git a/include/csvparser.h b/include/csvparser.h
new file mode 100644
index 0000000..99708e3
--- /dev/null
+++ b/include/csvparser.h
@@ -0,0 +1,7 @@
+#ifndef CSVPARSER_H_
+#define CSVPARSER_H_
+
+/* Functions */
+int parse_tokens(char *file);
+
+#endif
diff --git a/man/libcsvparser.3 b/man/libcsvparser.3
new file mode 100644
index 0000000..8e72ae9
--- /dev/null
+++ b/man/libcsvparser.3
@@ -0,0 +1,16 @@
+.\" Manpage for libcsvparser.
+.TH man 3 "19 October 2023" "1.0" "Everest Linux Libraries Manual"
+.SH NAME
+libcsvparser \- csv parsing library
+.SH SYNOPSIS
+#include <csvparser.h>
+
+parse_tokens(FILE);
+
+(user)$ gcc -lcsvparser prog.c -o prog
+.SH DESCRIPTION
+libcsvparser is a library that can read a .csv file and print out its tokens individually. It is provided as a static library only.
+.SH BUGS
+Report all bugs on the issues page at https://git.everestlinux.org/EverestLinux/libcsvparser
+.SH AUTHOR
+Liam Waldron (liamwaldron@everestlinux.org)
diff --git a/src/libcsvparser.c b/src/libcsvparser.c
new file mode 100644
index 0000000..ed1ca47
--- /dev/null
+++ b/src/libcsvparser.c
@@ -0,0 +1,35 @@
+/*
+	libcsvparser.c - simple CSV parser
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#define MAXCHAR 1000
+
+int
+parse_tokens(char *file)
+{
+	FILE *fp;
+	char row[MAXCHAR];
+	char *token;
+
+	fp = fopen(file, "r");
+	if (fp == NULL) {
+		printf("csv file %s not found\n", file);
+		return 1;
+	}
+
+	while (feof(fp) != true) {
+		fgets(row, MAXCHAR, fp);
+		token = strtok(row, ",");
+
+		while (token != NULL) {
+			printf("%s\n", token);
+			token = strtok(NULL, ",");
+		}
+	}
+
+	return 0;
+}