bell rings if input matches on regex in .bellmatch - lchat - A line oriented chat front end for ii.
(HTM) git clone git://git.suckless.org/lchat
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---
(DIR) commit 5152e1d331ca3dff844c7ee7aecf43874a4ccb03
(DIR) parent 3476e0bbc8a9d8fbf5a5846f0a765163b5a2254d
(HTM) Author: Jan Klemkow <j.klemkow@wemelug.de>
Date: Mon, 28 Dec 2015 21:04:59 +0100
bell rings if input matches on regex in .bellmatch
Diffstat:
M lchat.1 | 5 +++++
M lchat.c | 31 ++++++++++++++++++++++++++++++-
2 files changed, 35 insertions(+), 1 deletion(-)
---
(DIR) diff --git a/lchat.1 b/lchat.1
@@ -75,6 +75,11 @@ Uses
to search for in and out file.
Default path is the current working directory.
.El
+.Sh FILES
+.Bl -tag -width Ds
+.It .bellmatch
+contains regular expressions that controls bell ring on matching input.
+.El
.Sh SEE ALSO
.Xr tail 1 ,
.Xr ii 1
(DIR) diff --git a/lchat.c b/lchat.c
@@ -51,6 +51,29 @@ exit_handler(void)
err(EXIT_FAILURE, "tcsetattr");
}
+static bool
+bell_match(const char *str, const char *regex_file)
+{
+ FILE *fh = NULL;
+ char cmd[BUFSIZ];
+
+ if (access(regex_file, R_OK) == -1)
+ return true;
+
+ snprintf(cmd, sizeof cmd, "exec grep -qf %s", regex_file);
+
+ if ((fh = popen(cmd, "w")) == NULL)
+ err(EXIT_FAILURE, "popen");
+
+ if (fputs(str, fh) == EOF)
+ err(EXIT_FAILURE, "fputs");
+
+ if (pclose(fh) == 0)
+ return true;
+
+ return false;
+}
+
static void
line_output(struct slackline *sl, char *file)
{
@@ -89,6 +112,7 @@ main(int argc, char *argv[])
int ch;
bool empty_line = false;
bool bell_flag = true;
+ char *bell_file = ".bellmatch";
size_t history_len = 5;
char *prompt = ">";
size_t prompt_len = strlen(prompt);
@@ -242,7 +266,12 @@ main(int argc, char *argv[])
err(EXIT_FAILURE, "read");
if (write(STDOUT_FILENO, buf, n) == -1)
err(EXIT_FAILURE, "write");
- if (bell_flag) /* ring the bell on external input */
+
+ /* terminate the input buffer with NUL */
+ buf[n == BUFSIZ ? n - 1 : n] = '\0';
+
+ /* ring the bell on external input */
+ if (bell_flag && bell_match(buf, bell_file))
putchar('\a');
}
out: