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Close fd if there was an empty return. - dwmstatus - A simple dwm status applic… |
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git clone git://git.suckless.org/dwmstatus |
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LICENSE |
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--- |
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commit 81cdc8f4a2528374842049c214937349b30fbebc |
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parent a30f9f5bd1c9c3fcd96b32e3919206df0e9306bf |
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Author: Christoph Lohmann <[email protected]> |
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Date: Sun, 29 Jan 2023 12:15:22 +0100 |
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Close fd if there was an empty return. |
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* Not closing will use up all file descriptors over time. |
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Diffstat: |
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M dwmstatus.c | 4 +++- |
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1 file changed, 3 insertions(+), 1 deletion(-) |
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--- |
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diff --git a/dwmstatus.c b/dwmstatus.c |
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@@ -106,8 +106,10 @@ readfile(char *base, char *file) |
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if (fd == NULL) |
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return NULL; |
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- if (fgets(line, sizeof(line)-1, fd) == NULL) |
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+ if (fgets(line, sizeof(line)-1, fd) == NULL) { |
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+ fclose(fd); |
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return NULL; |
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+ } |
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fclose(fd); |
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return smprintf("%s", line); |
