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Allow enabling of tab expansion via the TABS environment variable. - sam - An u… |
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git clone git://vernunftzentrum.de/sam.git |
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LICENSE |
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--- |
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commit 1dd8035b1ece549eff2a6b57a5ae2a6aebcb2441 |
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parent 5fc6fa96da153d7df639c9c01a398fd146b8c857 |
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Author: Rob King <[email protected]> |
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Date: Thu, 28 Jul 2016 10:15:21 -0500 |
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Allow enabling of tab expansion via the TABS environment variable. |
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Diffstat: |
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doc/sam.1 | 10 ++++++++++ |
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libframe/frinit.c | 6 ++++++ |
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2 files changed, 16 insertions(+), 0 deletions(-) |
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--- |
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diff --git a/doc/sam.1 b/doc/sam.1 |
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@@ -1047,6 +1047,16 @@ By default, this is the string |
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A number between 1 and 12, indicating the width of a tab character. |
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This number is treated as a multiplier of the width of the '0' character. |
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The default is 8. |
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+.Pp |
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+If the number specified for |
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+.Ev TABS |
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+is negative, the absolute value of that number is used and automatic tab expan… |
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+.Po |
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+as for the |
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+.Fl e |
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+flag |
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+.Pc |
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+is enabled. |
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.El |
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.Sh FILES |
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.Bl -tag -width Ds |
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diff --git a/libframe/frinit.c b/libframe/frinit.c |
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@@ -5,11 +5,17 @@ |
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#include <frame.h> |
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int tabwidth = 8; |
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+extern int expandtabs; |
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void |
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frinit(Frame *f, Rectangle r, XftFont *ft, Bitmap *b) |
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{ |
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int tabs = atoi(getenv("TABS") ? getenv("TABS") : ""); |
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+ if (tabs < 0){ |
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+ tabs = -tabs; |
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+ expandtabs = 1; |
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+ } |
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+ |
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if (tabs > 0 && tabs <= 12) |
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tabwidth = tabs; |
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