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| author | Christian Neukirchen <chneukirchen@gmail.com> | 2016-07-20 15:06:31 +0200 |
|---|---|---|
| committer | Christian Neukirchen <chneukirchen@gmail.com> | 2016-07-20 15:10:43 +0200 |
| commit | 2c2be8bd3725787b38835576efd22a1bb78c743b (patch) | |
| tree | b21d9f30a80fe9ed419383ba76869479a9164e1d /mscan.c | |
| parent | e709f6f58841483c62b09423f6ae237db12885d7 (diff) | |
| download | mblaze-2c2be8bd3725787b38835576efd22a1bb78c743b.tar.gz mblaze-2c2be8bd3725787b38835576efd22a1bb78c743b.tar.xz mblaze-2c2be8bd3725787b38835576efd22a1bb78c743b.zip | |
mscan: use tty width
Diffstat (limited to 'mscan.c')
| -rw-r--r-- | mscan.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/mscan.c b/mscan.c index 1ccb9ac..c4392ed 100644 --- a/mscan.c +++ b/mscan.c @@ -1,5 +1,6 @@ #define _GNU_SOURCE +#include <sys/ioctl.h> #include <sys/stat.h> #include <sys/types.h> @@ -15,7 +16,9 @@ #include "blaze822.h" -wchar_t replacement = '?'; +static int cols; +static wchar_t replacement = L'?'; +static char *cur; void u8putstr(FILE *out, char *s, size_t l, int pad) @@ -44,8 +47,6 @@ u8putstr(FILE *out, char *s, size_t l, int pad) putc(' ', out); } -static char *cur; - void oneline(char *file) { @@ -62,7 +63,7 @@ oneline(char *file) struct message *msg = blaze822(file); if (!msg) { - int p = 80-38-3-indent; + int p = cols-38-3-indent; printf("%*.*s\\_ %*.*s\n", -38 - indent, 38 + indent, "", -p, p, file); return; @@ -141,7 +142,7 @@ oneline(char *file) int z; for (z = 0; z < indent; z++) printf(" "); - u8putstr(stdout, subjdec, 80-38-indent, 0); + u8putstr(stdout, subjdec, cols-38-indent, 0); printf("\n"); blaze822_free(msg); @@ -154,6 +155,14 @@ main(int argc, char *argv[]) if (wcwidth(0xFFFD) > 0) replacement = 0xFFFD; + struct winsize w; + if (ioctl(1, TIOCGWINSZ, &w) == 0) + cols = w.ws_col; + if (getenv("COLUMNS")) + cols = atoi(getenv("COLUMNS")); + if (cols <= 40) + cols = 80; + char *seqmap = blaze822_seq_open(0); blaze822_seq_load(seqmap); cur = blaze822_seq_cur(); |