Fixed issue with empty command delimiter

This meant that the delimiters were added when when both the icon and
output where empty.

diff --git a/dwmblocks.c b/dwmblocks.c
index e3e34a1..c66dbc7 100644 (file)
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -56,6 +56,8 @@ void getcmd(const Block *block, char *output)
        int i = strlen(block->icon);
        fgets(output+i, CMDLENGTH-i-delimLen, cmdf);
        i = strlen(output);
+       if (i == 0)//return if block and command output are both empty
+               return;
        if (delim[0] != '\0') {
                //only chop off newline if one is present at the end
                i = output[i-1] == '\n' ? i-1 : i;