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authorEric Andersen2001-02-22 00:22:46 +0000
committerEric Andersen2001-02-22 00:22:46 +0000
commitbe30a6b8b008aeacacf0a83fe24cadf4f99f2d93 (patch)
tree1a952fac04a1d18f9f11ebb5d561bff16f19c31c
parent54006bce2515521cb1388b80e64261b2940dcff8 (diff)
downloadbusybox-be30a6b8b008aeacacf0a83fe24cadf4f99f2d93.zip
busybox-be30a6b8b008aeacacf0a83fe24cadf4f99f2d93.tar.gz
Adjust the terminal height for any overlap, so that no lines
get lost off the top -Erik
-rw-r--r--more.c21
-rw-r--r--util-linux/more.c21
2 files changed, 32 insertions, 10 deletions
diff --git a/more.c b/more.c
index 298e1cf..77e0c2f 100644
--- a/more.c
+++ b/more.c
@@ -71,6 +71,7 @@ extern int more_main(int argc, char **argv)
int please_display_more_prompt = 0;
struct stat st;
FILE *file;
+ int len;
#if defined BB_FEATURE_AUTOWIDTH && defined BB_FEATURE_USE_TERMIOS
struct winsize win = { 0, 0, 0, 0 };
@@ -112,12 +113,12 @@ extern int more_main(int argc, char **argv)
(void) signal(SIGTERM, gotsig);
#endif
+ len = 0;
while ((c = getc(file)) != EOF) {
- if (please_display_more_prompt) {
- int len = 0;
- please_display_more_prompt = 0;
+ if (please_display_more_prompt) {
lines = 0;
+ please_display_more_prompt = 0;
len = printf("--More-- ");
if (file != stdin) {
#if _FILE_OFFSET_BITS == 64
@@ -160,7 +161,7 @@ extern int more_main(int argc, char **argv)
putc('\b', stdout);
fflush(stdout);
#endif
-
+ len=0;
}
/*
@@ -183,14 +184,24 @@ extern int more_main(int argc, char **argv)
please_display_more_prompt = 1;
break;
}
- if (++lines == terminal_height)
+ /* Adjust the terminal height for any overlap, so that
+ * no lines get lost off the top. */
+ if (len) {
+ div_t result = div( len, terminal_width);
+ if (result.quot)
+ terminal_height-=(result.quot-1);
+ }
+ if (++lines == terminal_height) {
please_display_more_prompt = 1;
+ }
+ len=0;
}
/*
* If we just read a newline from the file being 'mored' and any
* key other than a return is hit, scroll by one page
*/
putc(c, stdout);
+ len++;
}
fclose(file);
fflush(stdout);
diff --git a/util-linux/more.c b/util-linux/more.c
index 298e1cf..77e0c2f 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -71,6 +71,7 @@ extern int more_main(int argc, char **argv)
int please_display_more_prompt = 0;
struct stat st;
FILE *file;
+ int len;
#if defined BB_FEATURE_AUTOWIDTH && defined BB_FEATURE_USE_TERMIOS
struct winsize win = { 0, 0, 0, 0 };
@@ -112,12 +113,12 @@ extern int more_main(int argc, char **argv)
(void) signal(SIGTERM, gotsig);
#endif
+ len = 0;
while ((c = getc(file)) != EOF) {
- if (please_display_more_prompt) {
- int len = 0;
- please_display_more_prompt = 0;
+ if (please_display_more_prompt) {
lines = 0;
+ please_display_more_prompt = 0;
len = printf("--More-- ");
if (file != stdin) {
#if _FILE_OFFSET_BITS == 64
@@ -160,7 +161,7 @@ extern int more_main(int argc, char **argv)
putc('\b', stdout);
fflush(stdout);
#endif
-
+ len=0;
}
/*
@@ -183,14 +184,24 @@ extern int more_main(int argc, char **argv)
please_display_more_prompt = 1;
break;
}
- if (++lines == terminal_height)
+ /* Adjust the terminal height for any overlap, so that
+ * no lines get lost off the top. */
+ if (len) {
+ div_t result = div( len, terminal_width);
+ if (result.quot)
+ terminal_height-=(result.quot-1);
+ }
+ if (++lines == terminal_height) {
please_display_more_prompt = 1;
+ }
+ len=0;
}
/*
* If we just read a newline from the file being 'mored' and any
* key other than a return is hit, scroll by one page
*/
putc(c, stdout);
+ len++;
}
fclose(file);
fflush(stdout);