diff options
Diffstat (limited to 'src/utils.c')
| -rwxr-xr-x | src/utils.c | 62 |
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) { |