From ea2c802a617f03aa01b21c762e240343d701c477 Mon Sep 17 00:00:00 2001
From: Jakub <jakubb.06@protonmail.com>
Date: Wed, 4 Jan 2023 15:03:27 -0500
Subject: [PATCH] case insensitive patch

---
 dmenu.1                                |  6 +--
 dmenu.c                                | 11 +++---
 patches/dmenu-caseinsensitive-5.0.diff | 53 ++++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 8 deletions(-)
 create mode 100644 patches/dmenu-caseinsensitive-5.0.diff

diff --git a/dmenu.1 b/dmenu.1
index c80cd20..7612eef 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -3,7 +3,7 @@
 dmenu \- dynamic menu
 .SH SYNOPSIS
 .B dmenu
-.RB [ \-bfiv ]
+.RB [ \-bfsv ]
 .RB [ \-l
 .IR lines ]
 .RB [ \-h
@@ -49,8 +49,8 @@ dmenu appears centered on the screen.
 dmenu grabs the keyboard before reading stdin if not reading from a tty. This
 is faster, but will lock up X until stdin reaches end\-of\-file.
 .TP
-.B \-i
-dmenu matches menu items case insensitively.
+.B \-s
+dmenu matches menu items case sensitively.
 .TP
 .BI \-l " lines"
 dmenu lists items vertically, with the given number of lines.
diff --git a/dmenu.c b/dmenu.c
index d2ba430..4b6c7c8 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -63,8 +63,9 @@ static Colormap cmap;
 
 #include "config.h"
 
-static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
-static char *(*fstrstr)(const char *, const char *) = strstr;
+static char * cistrstr(const char *s, const char *sub);
+static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
+static char *(*fstrstr)(const char *, const char *) = cistrstr;
 static void xinitvisual();
 
 static unsigned int
@@ -766,9 +767,9 @@ main(int argc, char *argv[])
 			fast = 1;
 		else if (!strcmp(argv[i], "-c"))   /* centers dmenu on screen */
 			centered = 1;
-		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
-			fstrncmp = strncasecmp;
-			fstrstr = cistrstr;
+		else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
+			fstrncmp = strncmp;
+			fstrstr = strstr;
 		} else if (i + 1 == argc)
 			usage();
 		/* these options take one argument */
diff --git a/patches/dmenu-caseinsensitive-5.0.diff b/patches/dmenu-caseinsensitive-5.0.diff
new file mode 100644
index 0000000..f476bc9
--- /dev/null
+++ b/patches/dmenu-caseinsensitive-5.0.diff
@@ -0,0 +1,53 @@
+diff --git a/dmenu.1 b/dmenu.1
+index 323f93c..3e3b31b 100644
+--- a/dmenu.1
++++ b/dmenu.1
+@@ -3,7 +3,7 @@
+ dmenu \- dynamic menu
+ .SH SYNOPSIS
+ .B dmenu
+-.RB [ \-bfiv ]
++.RB [ \-bfsv ]
+ .RB [ \-l
+ .IR lines ]
+ .RB [ \-m
+@@ -44,8 +44,8 @@ dmenu appears at the bottom of the screen.
+ dmenu grabs the keyboard before reading stdin if not reading from a tty. This
+ is faster, but will lock up X until stdin reaches end\-of\-file.
+ .TP
+-.B \-i
+-dmenu matches menu items case insensitively.
++.B \-s
++dmenu matches menu items case sensitively.
+ .TP
+ .BI \-l " lines"
+ dmenu lists items vertically, with the given number of lines.
+diff --git a/dmenu.c b/dmenu.c
+index 65f25ce..855df59 100644
+--- a/dmenu.c
++++ b/dmenu.c
+@@ -55,8 +55,9 @@ static Clr *scheme[SchemeLast];
+ 
+ #include "config.h"
+ 
+-static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
+-static char *(*fstrstr)(const char *, const char *) = strstr;
++static char * cistrstr(const char *s, const char *sub);
++static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
++static char *(*fstrstr)(const char *, const char *) = cistrstr;
+ 
+ static void
+ appenditem(struct item *item, struct item **list, struct item **last)
+@@ -709,9 +710,9 @@ main(int argc, char *argv[])
+ 			topbar = 0;
+ 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
+ 			fast = 1;
+-		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+-			fstrncmp = strncasecmp;
+-			fstrstr = cistrstr;
++		else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
++			fstrncmp = strncmp;
++			fstrstr = strstr;
+ 		} else if (i + 1 == argc)
+ 			usage();
+ 		/* these options take one argument */