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Add some comments - smdev - suckless mdev |
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git clone git://git.suckless.org/smdev |
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Log |
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Files |
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README |
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LICENSE |
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--- |
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commit 5ce5c84744b108344c59ac30c77ef6a0d2dcde76 |
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parent d7f305ee12680d8f218e73e6e3d5d77b74b319d6 |
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Author: sin <[email protected]> |
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Date: Wed, 21 Aug 2013 11:19:21 +0100 |
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Add some comments |
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Diffstat: |
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M smdev.c | 4 ++++ |
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1 file changed, 4 insertions(+), 0 deletions(-) |
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--- |
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diff --git a/smdev.c b/smdev.c |
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@@ -107,6 +107,7 @@ create_dev(const char *path) |
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if (matchrule(Rule, devname) < 0) |
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continue; |
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+ /* Create the dev paths if necessary */ |
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if (Rule->path) { |
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switch (Rule->path[0]) { |
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case '=': |
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@@ -129,6 +130,7 @@ create_dev(const char *path) |
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} |
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} |
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+ /* Create the actual dev nodes */ |
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ret = mknod(devpath, Rules[i].mode | type, makedev(maj, min)); |
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if (ret < 0 && errno != EEXIST) |
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eprintf("mknod %s:", devpath); |
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@@ -142,12 +144,14 @@ create_dev(const char *path) |
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if (ret < 0) |
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eprintf("chown %s:", devpath); |
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+ /* Export the needed environment */ |
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if (chdir("/dev") < 0) |
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eprintf("chdir /dev:"); |
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snprintf(buf, sizeof(buf), "SMDEV=%s", devname); |
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if (putenv(buf) < 0) |
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eprintf("putenv:"); |
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+ /* Run the command hooks for this rule */ |
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if (Rule->cmd) { |
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switch (Rule->cmd[0]) { |
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case '@': |
