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Fix argument terminator handling in dunstify

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`g_option_context_parse` which we use to parse command line arguments
leaves the argument terminator, "--", in the argv under specific
circumstances which can cause inconsistent results.

Credit to Opal Hart for reporting this.
This commit is contained in:
Nikos Tsipinakis 2019-06-16 21:23:50 +03:00
parent 264df67a63
commit 7fc23b23d0
1 changed files with 33 additions and 5 deletions
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38
dunstify.c
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@ -76,6 +76,33 @@ void print_serverinfo(void)
spec_version);
}
/*
* Glib leaves the option terminator "--" in the argv after parsing in some
* cases. This function gets the specified argv element ignoring the first
* terminator.
*
* See https://developer.gnome.org/glib/stable/glib-Commandline-option-parser.html#g-option-context-parse for details
*/
char *get_argv(char *argv[], int index)
{
for (int i = 0; i <= index; i++) {
if (strcmp(argv[i], "--") == 0) {
return argv[index + 1];
}
}
return argv[index];
}
/* Count the number of arguments in argv excluding the terminator "--" */
int count_args(char *argv[], int argc) {
for (int i = 0; i < argc; i++) {
if (strcmp(argv[i], "--") == 0)
return argc - 1;
}
return argc;
}
void parse_commandline(int argc, char *argv[])
{
GError *error = NULL;
@ -100,17 +127,18 @@ void parse_commandline(int argc, char *argv[])
die(0);
}
if (argc < 2 && close_id < 1) {
int n_args = count_args(argv, argc);
if (n_args < 2 && close_id < 1) {
g_printerr("I need at least a summary\n");
die(1);
} else if (argc < 2) {
} else if (n_args < 2) {
summary = g_strdup("These are not the summaries you are looking for");
} else {
summary = g_strdup(argv[1]);
summary = g_strdup(get_argv(argv, 1));
}
if (argc > 2) {
body = g_strcompress(argv[2]);
if (n_args > 2) {
body = g_strcompress(get_argv(argv, 2));
}
if (urgency_str) {