From 500b1fbb0f5d91f80f6f86067f898c72f4b2aa58 Mon Sep 17 00:00:00 2001 From: aidan Date: Thu, 27 Aug 2020 04:47:07 +0000 Subject: fixed output from commands without a newline end. This is useful when using commands such as tr -d '\n' to strip newlines from output. --- dwmblocks.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/dwmblocks.c b/dwmblocks.c index 5abd10d..b6f696f 100644 --- a/dwmblocks.c +++ b/dwmblocks.c @@ -50,16 +50,17 @@ static void (*writestatus) () = setroot; void getcmd(const Block *block, char *output) { strcpy(output, block->icon); - char *cmd = block->command; - FILE *cmdf = popen(cmd,"r"); + FILE *cmdf = popen(block->command, "r"); if (!cmdf) return; - char c; int i = strlen(block->icon); fgets(output+i, CMDLENGTH-i-delimLen, cmdf); i = strlen(output); - if (delim[0] != '\0' && --i) - strncpy(output+i, delim, delimLen); + if (delim[0] != '\0') { + //only chop off newline if one is present at the end + i = output[i-1] == '\n' ? i-1 : i; + strncpy(output+i, delim, delimLen); + } else output[i++] = '\0'; pclose(cmdf); -- cgit v1.2.3