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authorFrederic Culot <calcurse@culot.org>2006-11-02 13:40:50 +0000
committerFrederic Culot <calcurse@culot.org>2006-11-02 13:40:50 +0000
commit0a961944fb32a770206e2cd1f1240cb4f81ee5ca (patch)
tree3a899586c1b4db45ba016df938d8dc3bc90100f0 /src
parentc87a7bd64d1aa12c81d3526aa476c39d051a88b6 (diff)
downloadcalcurse-0a961944fb32a770206e2cd1f1240cb4f81ee5ca.tar.gz
calcurse-0a961944fb32a770206e2cd1f1240cb4f81ee5ca.zip
add_char() simplified, using memcpy()
updatestring() created getstring() modified to take the max string length as an argument
Diffstat (limited to 'src')
-rwxr-xr-xsrc/utils.c62
1 files changed, 39 insertions, 23 deletions
diff --git a/src/utils.c b/src/utils.c
index 7ff8c48..4403ed4 100755
--- a/src/utils.c
+++ b/src/utils.c
@@ -1,4 +1,4 @@
-/* $calcurse: utils.c,v 1.12 2006/10/28 13:14:03 culot Exp $ */
+/* $calcurse: utils.c,v 1.13 2006/11/02 13:40:50 culot Exp $ */
/*
* Calcurse - text-based organizer
@@ -128,19 +128,16 @@ void del_char(int pos, char *str)
/* Add a character at the given position in string. */
char *add_char(int pos, int ch, char *str)
{
- int new, buf;
+ int len;
+ char *buf;
str += pos;
- buf = *str;
- *str++ = ch;
- new = buf;
- for (; *str; ++str) {
- buf = *str;
- *str = new;
- new = buf;
- }
- *str++ = new;
- return str;
+ len = strlen(str) + 1;
+ buf = (char *) malloc(len);
+ (void)memcpy(buf, str, len);
+ *str++ = ch;
+ (void)memcpy(str, buf, len);
+ return (str += len);
}
/*
@@ -192,14 +189,14 @@ void showstring(WINDOW *win, int y, int x, char *str, int len, int pos)
* environment, otherwise the cursor would move from place to place without
* control.
*/
-int getstring(WINDOW *win, int colr, char *string, int x, int y)
+int getstring(WINDOW *win, int colr, char *str, int l, int x, int y)
{
int ch, newpos, len = 0;
char *orig;
- orig = string;
+ orig = str;
custom_apply_attr(win, ATTR_HIGHEST);
- for (; *string; ++string, ++len);
+ for (; *str; ++str, ++len);
newpos = x + len;
showstring(win, y, x, orig, len, newpos);
@@ -214,7 +211,7 @@ int getstring(WINDOW *win, int colr, char *string, int x, int y)
if (len > 0) {
--newpos; --len;
if (newpos >= x + len)
- --string;
+ --str;
else /* to be deleted inside string */
del_char(newpos, orig);
}
@@ -226,9 +223,9 @@ int getstring(WINDOW *win, int colr, char *string, int x, int y)
break;
case CTRL('K'): /* delete to end-of-line */
- string = orig + newpos;
- for (; *string; ++string)
- *string = 0;
+ str = orig + newpos;
+ for (; *str; ++str)
+ *str = 0;
len -= (len - newpos);
break;
@@ -255,11 +252,11 @@ int getstring(WINDOW *win, int colr, char *string, int x, int y)
break;
default: /* insert one character */
- if (len < MAX_LENGTH - 1) {
+ if (len < l - 1) {
if (newpos >= len)
- *string++ = ch;
+ *str++ = ch;
else // char is to be inserted inside string
- string = add_char(newpos, ch, orig);
+ str = add_char(newpos, ch, orig);
++len; ++newpos;
}
@@ -267,11 +264,30 @@ int getstring(WINDOW *win, int colr, char *string, int x, int y)
showstring(win, y, x, orig, len, newpos);
doupdate();
}
- *string = 0;
+ *str = 0;
custom_remove_attr(win, ATTR_HIGHEST);
return 0;
}
+/* Update an already existing string. */
+void updatestring(WINDOW *win, int colr, char **str, int x, int y) {
+ char *newstr;
+ int len;
+
+ newstr = (char *) malloc(MAX_LENGTH);
+ (void)memcpy(newstr, *str, strlen(*str) + 1);
+ if (getstring(win, colr, newstr, MAX_LENGTH, x, y) == 0) {
+ len = strlen(newstr) + 1;
+ if ((*str = (char *) realloc(*str, len)) == NULL) {
+ /* NOTREACHED */
+ fputs(_("FATAL ERROR in updatestring: out of memory\n"),
+ stderr);
+ exit(EXIT_FAILURE);
+ } else
+ (void)memcpy(*str, newstr, len);
+ }
+}
+
/* checks if a string is only made of digits */
int is_all_digit(char *string)
{