diff options
Diffstat (limited to 'editors/nvi/patches/nvi-10-no_one_line_visual.patch')
| -rw-r--r-- | editors/nvi/patches/nvi-10-no_one_line_visual.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/editors/nvi/patches/nvi-10-no_one_line_visual.patch b/editors/nvi/patches/nvi-10-no_one_line_visual.patch new file mode 100644 index 0000000..1718091 --- /dev/null +++ b/editors/nvi/patches/nvi-10-no_one_line_visual.patch @@ -0,0 +1,24 @@ +#! /bin/sh /usr/share/dpatch/dpatch-run +## 10no_one_line_visual.dpatch by <hesso@pool.math.tu-berlin.de> +## +## DP: Catch segfaults when the screen is only one line high. + +@DPATCH@ +diff -Naur nvi-1.81.6.orig/vi/vi.c nvi-1.81.6/vi/vi.c +--- nvi-1.81.6.orig/vi/vi.c 2007-11-18 17:41:42.000000000 +0100 ++++ nvi-1.81.6/vi/vi.c 2008-05-01 18:15:14.000000000 +0200 +@@ -974,6 +974,14 @@ + sp->rows = vip->srows = O_VAL(sp, O_LINES); + sp->cols = O_VAL(sp, O_COLUMNS); + sp->t_rows = sp->t_minrows = O_VAL(sp, O_WINDOW); ++ /* ++ * To avoid segfaults on terminals with only one line, ++ * catch this corner case now and die explicitly. ++ */ ++ if (sp->t_rows == 0) { ++ (void)fprintf(stderr, "Error: Screen too small for visual mode.\n"); ++ return 1; ++ } + if (sp->rows != 1) { + if (sp->t_rows > sp->rows - 1) { + sp->t_minrows = sp->t_rows = sp->rows - 1; |