Initial commit

Currently spaces to consecutive QUOTE_CHAR's that start a line.

Quote char and line buffer size are customizable via the Makefil.

Tested with mutt display_filter successfully.

2 files changed, 82 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f239f85
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,26 @@
+out = outlook-fix
+warn = -Wall -Wpedantic
+cc = cc
+std = c99
+
+#
+# Variables
+#
+
+# Maximum line char count. Lines longer than this will be truncated, so make
+# sure this is a sane size.
+LINE_BUF_SIZE = -D LINE_BUF_SIZE=1024
+
+# The quote indent character. Typically is '>'.
+# This must have the two single quotes. Very unsafe if these aren't here.
+QUOTE_CHAR = -D QUOTE_CHAR="'>'"
+
+# Build the cflags
+CFLAGS = $(QUOTE_CHAR) $(LINE_BUF_SIZE)
+
+
+all:
+	$(cc) $(warn) -std=$(std) $(dbg) $(CFLAGS) src/main.c -o $(out)
+
+debug:
+	make all dbg='-g'
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..b3f7d69
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef LINE_BUF_SIZE
+  #define LINE_BUF_SIZE 1024
+#endif
+
+#ifndef QUOTE_CHAR
+  #define QUOTE_CHAR '>'
+#endif
+
+
+void fix_line(char* out, char* line) {
+  int cursor;
+  int fixcursor;
+
+  // Initialize
+  out[0] = '\0';
+
+  // Reset the cursors
+  cursor = 0;
+  fixcursor = 0;
+
+  // One char at a time...
+  while(line[cursor] != '\0') {
+    if(line[cursor] != QUOTE_CHAR) {
+      // As soon as we stop finding > chars, copy the rest and break;
+      strcpy(&out[fixcursor], &line[cursor]);
+      break;
+    } else {
+      out[fixcursor] = QUOTE_CHAR;
+      // If the next char isn't a space, insert one.
+      // We don't want double-stacked spaces in case someone did format
+      // something correctly.
+      if(line[cursor + 1] != ' ') {
+        fixcursor++;
+        out[fixcursor] = ' ';
+      }
+    }
+    cursor++;
+    fixcursor++;
+  }
+}
+
+
+int main(int argc, char* argv[]) {
+  char buf[LINE_BUF_SIZE];
+  char fixbuf[LINE_BUF_SIZE];
+
+  while(fgets(buf, LINE_BUF_SIZE, stdin) != NULL) {
+    fix_line(fixbuf, buf);
+    printf("%s", fixbuf);
+  }
+  return 0;
+}