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su: Fix running it without arguments The commit 8f5a0c3 introduced a regression… |
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git clone git://git.suckless.org/ubase |
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--- |
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commit a570a80ed1606bed43118cb148fc83c3ac22b5c1 |
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parent 4cd0b143801b1135abd2b7012cfed020710a4e68 |
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Author: Roberto E. Vargas Caballero <[email protected]> |
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Date: Thu, 7 Mar 2024 22:35:31 +0100 |
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su: Fix running it without arguments |
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The commit 8f5a0c3 introduced a regression and the logic |
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to control the number of arguments was broken after it, |
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giving an error when su was executed without parameters. |
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Diffstat: |
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M su.c | 6 +++--- |
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1 file changed, 3 insertions(+), 3 deletions(-) |
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--- |
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diff --git a/su.c b/su.c |
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@@ -26,7 +26,7 @@ usage(void) |
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int |
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main(int argc, char *argv[]) |
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{ |
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- char *usr = "root", *pass; |
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+ char *usr, *pass; |
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char *shell, *envshell, *term; |
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struct passwd *pw; |
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char *newargv[3]; |
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@@ -43,9 +43,9 @@ main(int argc, char *argv[]) |
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usage(); |
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} ARGEND; |
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- if (argc != 1) |
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+ if (argc > 1) |
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usage(); |
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- usr = argv[0]; |
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+ usr = argc > 0 ? argv[0] : "root"; |
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errno = 0; |
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pw = getpwnam(usr); |
