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more updates for dos compatibility

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This commit is contained in:
Gregory Gauthier 2026-01-30 12:37:28 +00:00
parent 0ffe156bcd
commit 814f1014a1
8 changed files with 195 additions and 51 deletions
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8
BUILD.BAT
View File

@ -10,12 +10,12 @@ ECHO.
REM Create build directory if it doesn't exist
IF NOT EXIST build MKDIR build
ECHO Compiling addnote.exe...
TCC -A -w -ml -I.\include -ebuild\addnote.exe src\addnote.c
ECHO Compiling cnadd.exe...
TCC -A -w -ml -I.\include -ebuild\cnadd.exe src\cnadd.c
IF ERRORLEVEL 1 GOTO ERROR
ECHO Compiling dumpnotes.exe...
TCC -A -w -ml -I.\include -ebuild\dumpnotes.exe src\dumpnotes.c
ECHO Compiling cndump.exe...
TCC -A -w -ml -I.\include -ebuild\cndump.exe src\cndump.c
IF ERRORLEVEL 1 GOTO ERROR
ECHO.

18
CMakeLists.txt Normal file
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@ -0,0 +1,18 @@
# CMakeLists.txt - For CLion IDE support only
# Actual builds should use: make (Linux) or make -f MAKEFILE.TC (DOS/Win32)
cmake_minimum_required(VERSION 3.10)
project(cnotes C)
# Force C89/C90 standard
set(CMAKE_C_STANDARD 90)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)
# Match our Makefile flags for consistent IDE warnings
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ansi -Wpedantic -Wall -Wextra")
include_directories(include)
add_executable(cnadd src/cnadd.c)
add_executable(cndump src/cndump.c)

10
MAKEFILE.TC
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@ -23,16 +23,16 @@ BUILDDIR = build
.c.obj:
$(CC) $(CFLAGS) -c -o$*.obj $<
all: $(BUILDDIR) $(BUILDDIR)\addnote.exe $(BUILDDIR)\dumpnotes.exe
all: $(BUILDDIR) $(BUILDDIR)\cnadd.exe $(BUILDDIR)\cndump.exe
$(BUILDDIR):
if not exist $(BUILDDIR) mkdir $(BUILDDIR)
$(BUILDDIR)\addnote.exe: $(SRCDIR)\addnote.c $(INCDIR)\platform.h
$(CC) $(CFLAGS) -e$(BUILDDIR)\addnote.exe $(SRCDIR)\addnote.c
$(BUILDDIR)\cnadd.exe: $(SRCDIR)\cnadd.c $(INCDIR)\platform.h $(INCDIR)\config.h
$(CC) $(CFLAGS) -e$(BUILDDIR)\cnadd.exe $(SRCDIR)\cnadd.c
$(BUILDDIR)\dumpnotes.exe: $(SRCDIR)\dumpnotes.c $(INCDIR)\platform.h
$(CC) $(CFLAGS) -e$(BUILDDIR)\dumpnotes.exe $(SRCDIR)\dumpnotes.c
$(BUILDDIR)\cndump.exe: $(SRCDIR)\cndump.c $(INCDIR)\platform.h $(INCDIR)\config.h
$(CC) $(CFLAGS) -e$(BUILDDIR)\cndump.exe $(SRCDIR)\cndump.c
clean:
if exist $(BUILDDIR)\*.exe del $(BUILDDIR)\*.exe

22
Makefile
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@ -2,17 +2,17 @@
# Strict C89/ANSI compliant build
CC = gcc
CFLAGS = -ansi -pedantic -Wall -Wextra -O2
CFLAGS = -ansi -Wpedantic -Wall -Wextra -O2
INCLUDES = -I include
SRCDIR = src
INCDIR = include
BUILDDIR = build
SOURCES = $(SRCDIR)/addnote.c $(SRCDIR)/dumpnotes.c
HEADERS = $(INCDIR)/platform.h
SOURCES = $(SRCDIR)/cnadd.c $(SRCDIR)/cndump.c
HEADERS = $(INCDIR)/platform.h $(INCDIR)/config.h
TARGETS = $(BUILDDIR)/addnote $(BUILDDIR)/dumpnotes
TARGETS = $(BUILDDIR)/cnadd $(BUILDDIR)/cndump
.PHONY: all clean install uninstall
@ -21,19 +21,19 @@ all: $(BUILDDIR) $(TARGETS)
$(BUILDDIR):
mkdir -p $(BUILDDIR)
$(BUILDDIR)/addnote: $(SRCDIR)/addnote.c $(HEADERS)
$(CC) $(CFLAGS) $(INCLUDES) -o $@ $(SRCDIR)/addnote.c
$(BUILDDIR)/cnadd: $(SRCDIR)/cnadd.c $(HEADERS)
$(CC) $(CFLAGS) $(INCLUDES) -o $@ $(SRCDIR)/cnadd.c
$(BUILDDIR)/dumpnotes: $(SRCDIR)/dumpnotes.c $(HEADERS)
$(CC) $(CFLAGS) $(INCLUDES) -o $@ $(SRCDIR)/dumpnotes.c
$(BUILDDIR)/cndump: $(SRCDIR)/cndump.c $(HEADERS)
$(CC) $(CFLAGS) $(INCLUDES) -o $@ $(SRCDIR)/cndump.c
clean:
rm -rf $(BUILDDIR)
# Install to /usr/local/bin (optional, run with sudo)
install: $(TARGETS)
install -m 755 $(BUILDDIR)/addnote /usr/local/bin/
install -m 755 $(BUILDDIR)/dumpnotes /usr/local/bin/
install -m 755 $(BUILDDIR)/cnadd /usr/local/bin/
install -m 755 $(BUILDDIR)/cndump /usr/local/bin/
uninstall:
rm -f /usr/local/bin/addnote /usr/local/bin/dumpnotes
rm -f /usr/local/bin/cnadd /usr/local/bin/cndump

12
compile_commands.json Normal file
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@ -0,0 +1,12 @@
[
{
"directory": ".",
"command": "gcc -ansi -Wpedantic -Wall -Wextra -O2 -I include -c src/cnadd.c -o build/cnadd.o",
"file": "src/cnadd.c"
},
{
"directory": ".",
"command": "gcc -ansi -Wpedantic -Wall -Wextra -O2 -I include -c src/cndump.c -o build/cndump.o",
"file": "src/cndump.c"
}
]

77
include/config.h Normal file
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@ -0,0 +1,77 @@
/*
* config.h - Configuration settings for cnotes
*
* Platform-specific defaults for notes file location.
* Users can override at compile time with -DCNOTES_DIR="path"
* or at runtime via CNOTES_PATH environment variable.
*/
#ifndef CONFIG_H
#define CONFIG_H
#include "platform.h"
/*
* CNOTES_FILE - The filename for the notes database
* This is the same across all platforms (8.3 compatible for DOS)
*/
#ifndef CNOTES_FILE
#define CNOTES_FILE "cnotes.csv"
#endif
/*
* CNOTES_DIR - Default directory path (relative to home)
*
* Can be overridden at compile time:
* gcc -DCNOTES_DIR=\".cnotes\" ...
* tcc -DCNOTES_DIR=".cnotes" ...
*
* Platform defaults:
* DOS: Current directory (empty string)
* Windows: .cnotes (in USERPROFILE)
* Unix: .local/share/cnotes (XDG-style)
*/
#ifndef CNOTES_DIR
#if defined(__MSDOS__) || defined(__DOS__)
#define CNOTES_DIR ""
#elif defined(_WIN32)
#define CNOTES_DIR ".cnotes"
#else
#define CNOTES_DIR ".local/share/cnotes"
#endif
#endif
/*
* CNOTES_PATH_ENV - Environment variable to override notes location
*
* If set, this environment variable provides the full path to the
* notes directory, overriding both CNOTES_DIR and HOME_ENV.
*
* Example:
* export CNOTES_PATH=/custom/path/to/notes
* set CNOTES_PATH=C:\NOTES
*/
#define CNOTES_PATH_ENV "CNOTES_PATH"
/*
* Field lengths and limits
*/
#define CATEGORY_LENGTH 10
#define FREETEXT_MAX_LENGTH 125
#define DEFAULT_CATEGORY "General"
/*
* MAX_ENTRIES - Maximum number of entries dumpnotes can load
*
* DOS has limited memory, so we use a smaller default there.
* Can be overridden at compile time: -DMAX_ENTRIES=500
*/
#ifndef MAX_ENTRIES
#if defined(__MSDOS__) || defined(__DOS__)
#define MAX_ENTRIES 500
#else
#define MAX_ENTRIES 5000
#endif
#endif
#endif /* CONFIG_H */

42
src/addnote.c → src/cnadd.c
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@ -5,12 +5,7 @@
#include <sys/stat.h>
#include "platform.h"
#define CATEGORY_LENGTH 10
#define FREETEXT_MAX_LENGTH 125
#define DEFAULT_CATEGORY "General"
#define CNOTES_DIR ".local/share/cnotes"
#define CNOTES_FILE "cnotes.csv"
#include "config.h"
int ensure_directory_exists(const char *path) {
struct stat st;
@ -34,23 +29,46 @@ int ensure_directory_exists(const char *path) {
}
int get_cnotes_path(char *buffer, size_t bufsize) {
const char *custom_path;
const char *home;
size_t len;
/* First check for CNOTES_PATH environment variable override */
custom_path = getenv(CNOTES_PATH_ENV);
if (custom_path != NULL && strlen(custom_path) > 0) {
if (strlen(custom_path) >= bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
}
strcpy(buffer, custom_path);
return 1;
}
/* Fall back to HOME_ENV + CNOTES_DIR */
home = getenv(HOME_ENV);
if (home == NULL) {
fprintf(stderr, "Error: %s environment variable not set\n", HOME_ENV);
fprintf(stderr, "Hint: Set %s to specify notes directory\n", CNOTES_PATH_ENV);
return 0;
}
/* Build path: $HOME/.local/share/cnotes */
/* Build path: $HOME/CNOTES_DIR (or just $HOME if CNOTES_DIR is empty) */
len = strlen(home);
if (len + strlen(CNOTES_DIR) + 2 > bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
if (strlen(CNOTES_DIR) == 0) {
/* DOS mode: use home directory directly */
if (len >= bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
}
strcpy(buffer, home);
} else {
/* Unix/Windows: append CNOTES_DIR to home */
if (len + strlen(CNOTES_DIR) + 2 > bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
}
sprintf(buffer, "%s" PATH_SEP_STR "%s", home, CNOTES_DIR);
}
sprintf(buffer, "%s" PATH_SEP_STR "%s", home, CNOTES_DIR);
return 1;
}

53
src/dumpnotes.c → src/cndump.c
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@ -6,16 +6,12 @@
#include <stdlib.h>
#include <string.h>
#include "platform.h"
#include "config.h"
#define MAX_LENGTH 500 /* Allow fgets to read up to this many characters */
#define DATE_LENGTH 10 /* YYYY-MM-DD */
#define TIME_LENGTH 5 /* HH:MM */
#define CATEGORY_LENGTH 10 /* CATEGORY__ */
#define TXTMSG_LENGTH 125 /* Max length of a text message */
#define MAX_ENTRIES 1500 /* Maximum number of entries to load */
#define CNOTES_FILE "cnotes.csv"
#define CNOTES_DIR ".local/share/cnotes"
typedef enum {
@ -150,23 +146,46 @@ int parse_line(const char *line, Entry *entry) {
}
int get_cnotes_path(char *buffer, size_t bufsize) {
const char *custom_path;
const char *home;
size_t len;
/* First check for CNOTES_PATH environment variable override */
custom_path = getenv(CNOTES_PATH_ENV);
if (custom_path != NULL && strlen(custom_path) > 0) {
if (strlen(custom_path) + strlen(CNOTES_FILE) + 2 > bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
}
sprintf(buffer, "%s" PATH_SEP_STR "%s", custom_path, CNOTES_FILE);
return 1;
}
/* Fall back to HOME_ENV + CNOTES_DIR */
home = getenv(HOME_ENV);
if (home == NULL) {
fprintf(stderr, "Error: %s environment variable not set\n", HOME_ENV);
fprintf(stderr, "Hint: Set %s to specify notes directory\n", CNOTES_PATH_ENV);
return 0;
}
/* Build path: $HOME/.local/share/cnotes/cnotes.csv */
/* Build path to cnotes file */
len = strlen(home);
if (len + strlen(CNOTES_DIR) + strlen(CNOTES_FILE) + 3 > bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
if (strlen(CNOTES_DIR) == 0) {
/* DOS mode: file in home directory directly */
if (len + strlen(CNOTES_FILE) + 2 > bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
}
sprintf(buffer, "%s" PATH_SEP_STR "%s", home, CNOTES_FILE);
} else {
/* Unix/Windows: HOME/CNOTES_DIR/CNOTES_FILE */
if (len + strlen(CNOTES_DIR) + strlen(CNOTES_FILE) + 3 > bufsize) {
fprintf(stderr, "Error: Path too long\n");
return 0;
}
sprintf(buffer, "%s" PATH_SEP_STR "%s" PATH_SEP_STR "%s", home, CNOTES_DIR, CNOTES_FILE);
}
sprintf(buffer, "%s" PATH_SEP_STR "%s" PATH_SEP_STR "%s", home, CNOTES_DIR, CNOTES_FILE);
return 1;
}
@ -192,8 +211,8 @@ int main(int argc, char *argv[]) {
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-d") == 0 || strcmp(argv[i], "--date") == 0) {
if (sort_mode != SORT_NONE) {
fprintf(stderr, "dumpnotes: cannot specify multiple sort options\n");
fprintf(stderr, "usage: dumpnotes [[-d|--date] | [-c|--category]] [-r|--reverse] [filename]\n");
fprintf(stderr, "cndump: cannot specify multiple sort options\n");
fprintf(stderr, "usage: cndump [[-d|--date] | [-c|--category]] [-r|--reverse] [filename]\n");
exit(1);
}
sort_mode = SORT_DATE;
@ -201,8 +220,8 @@ int main(int argc, char *argv[]) {
else if (strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "--category") == 0) {
if (sort_mode != SORT_NONE) {
fprintf(stderr, "dumpnotes: cannot specify multiple sort options\n");
fprintf(stderr, "usage: dumpnotes [[-d|--date] | [-c|--category]] [-r|--reverse] [filename]\n");
fprintf(stderr, "cndump: cannot specify multiple sort options\n");
fprintf(stderr, "usage: cndump [[-d|--date] | [-c|--category]] [-r|--reverse] [filename]\n");
exit(1);
}
sort_mode = SORT_CATEGORY;
@ -228,7 +247,7 @@ int main(int argc, char *argv[]) {
notesfile = fopen(file_path, "r");
if (notesfile == NULL) {
fprintf(stderr, "Error: Cannot open file '%s'\n", file_path);
fprintf(stderr, "Hint: Use 'addnote' to create your first entry\n");
fprintf(stderr, "Hint: Use 'cnadd' to create your first entry\n");
return 1;
}
@ -238,7 +257,7 @@ int main(int argc, char *argv[]) {
entry_count++;
}
else {
fprintf(stderr, "dumpnotes: invalid line: %s\n", line);
fprintf(stderr, "cndump: invalid line: %s\n", line);
}
}
fclose(notesfile);