MySQL 5.1: mysql/src/5.1-dbg/cmd-line-utils/libedit/hist.c File Reference

mysql/src/5.1-dbg/cmd-line-utils/libedit/hist.c File Reference

#include <config.h>
#include <stdlib.h>
#include "el.h"

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Functions
protected int	hist_init (EditLine *el)
protected void	hist_end (EditLine *el)
protected int	hist_set (EditLine *el, hist_fun_t fun, ptr_t ptr)
protected el_action_t	hist_get (EditLine *el)
protected int	hist_command (EditLine el, int argc, const char *argv)
protected int	hist_enlargebuf (EditLine *el, size_t oldsz, size_t newsz)

Function Documentation

protected int hist_command	(	EditLine *	el,
		int	argc,
		const char **	argv
	)

Definition at line 149 of file hist.c.

References el, editline::el_history, editline::el_outfile, el_history_t::ev, H_SETSIZE, H_SETUNIQUE, HIST_LAST, HIST_PREV, history(), int(), NULL, HistEvent::num, el_history_t::ref, strcmp(), and strtol().

00150 {
00151         const char *str;
00152         int num;
00153         HistEvent ev;
00154 
00155         if (el->el_history.ref == NULL)
00156                 return (-1);
00157 
00158         if (argc == 1 || strcmp(argv[1], "list") == 0) {
00159                  /* List history entries */
00160 
00161                 for (str = HIST_LAST(el); str != NULL; str = HIST_PREV(el))
00162                         (void) fprintf(el->el_outfile, "%d %s",
00163                             el->el_history.ev.num, str);
00164                 return (0);
00165         }
00166 
00167         if (argc != 3)
00168                 return (-1);
00169 
00170         num = (int)strtol(argv[2], NULL, 0);
00171 
00172         if (strcmp(argv[1], "size") == 0)
00173                 return history(el->el_history.ref, &ev, H_SETSIZE, num);
00174 
00175         if (strcmp(argv[1], "unique") == 0)
00176                 return history(el->el_history.ref, &ev, H_SETUNIQUE, num);
00177 
00178         return -1;
00179 }

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protected void hist_end ( EditLine * el )

Definition at line 65 of file hist.c.

References el_history_t::buf, el, el_free, editline::el_history, and NULL.

Referenced by el_end().

00066 {
00067 
00068         el_free((ptr_t) el->el_history.buf);
00069         el->el_history.buf = NULL;
00070 }

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protected int hist_enlargebuf	(	EditLine *	el,
		size_t	oldsz,
		size_t	newsz
	)

Definition at line 187 of file hist.c.

References el_history_t::buf, el, editline::el_history, el_history_t::last, memset, realloc, and el_history_t::sz.

Referenced by ch_enlargebufs().

00188 {
00189         char *newbuf;
00190 
00191         newbuf = realloc(el->el_history.buf, newsz);
00192         if (!newbuf)
00193                 return 0;
00194 
00195         (void) memset(&newbuf[oldsz], '\0', newsz - oldsz);
00196 
00197         el->el_history.last = newbuf +
00198                                 (el->el_history.last - el->el_history.buf);
00199         el->el_history.buf = newbuf;
00200         el->el_history.sz  = newsz;
00201 
00202         return 1;
00203 }

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protected el_action_t hist_get ( EditLine * el )

Definition at line 91 of file hist.c.

References el_history_t::buf, el_line_t::buffer, CC_ERROR, CC_REFRESH, el_line_t::cursor, el, editline::el_history, editline::el_line, editline::el_map, el_history_t::eventno, h, HIST_FIRST, HIST_NEXT, KSHVI, el_history_t::last, el_line_t::lastchar, el_line_t::limit, MAP_VI, NULL, el_history_t::ref, strlcpy, strlen(), el_history_t::sz, and el_map_t::type.

Referenced by ed_next_history(), ed_prev_history(), ed_search_next_history(), ed_search_prev_history(), vi_to_history_line(), and vi_undo_line().

00092 {
00093         const char *hp;
00094         int h;
00095 
00096         if (el->el_history.eventno == 0) {      /* if really the current line */
00097                 (void) strncpy(el->el_line.buffer, el->el_history.buf,
00098                     el->el_history.sz);
00099                 el->el_line.lastchar = el->el_line.buffer +
00100                     (el->el_history.last - el->el_history.buf);
00101 
00102 #ifdef KSHVI
00103                 if (el->el_map.type == MAP_VI)
00104                         el->el_line.cursor = el->el_line.buffer;
00105                 else
00106 #endif /* KSHVI */
00107                         el->el_line.cursor = el->el_line.lastchar;
00108 
00109                 return (CC_REFRESH);
00110         }
00111         if (el->el_history.ref == NULL)
00112                 return (CC_ERROR);
00113 
00114         hp = HIST_FIRST(el);
00115 
00116         if (hp == NULL)
00117                 return (CC_ERROR);
00118 
00119         for (h = 1; h < el->el_history.eventno; h++)
00120                 if ((hp = HIST_NEXT(el)) == NULL) {
00121                         el->el_history.eventno = h;
00122                         return (CC_ERROR);
00123                 }
00124         (void) strlcpy(el->el_line.buffer, hp,
00125                         (size_t)(el->el_line.limit - el->el_line.buffer));
00126         el->el_line.lastchar = el->el_line.buffer + strlen(el->el_line.buffer);
00127 
00128         if (el->el_line.lastchar > el->el_line.buffer
00129             && el->el_line.lastchar[-1] == '\n')
00130                 el->el_line.lastchar--;
00131         if (el->el_line.lastchar > el->el_line.buffer
00132             && el->el_line.lastchar[-1] == ' ')
00133                 el->el_line.lastchar--;
00134 #ifdef KSHVI
00135         if (el->el_map.type == MAP_VI)
00136                 el->el_line.cursor = el->el_line.buffer;
00137         else
00138 #endif /* KSHVI */
00139                 el->el_line.cursor = el->el_line.lastchar;
00140 
00141         return (CC_REFRESH);
00142 }

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protected int hist_init ( EditLine * el )

Definition at line 47 of file hist.c.

References el_history_t::buf, el, EL_BUFSIZ, editline::el_history, el_malloc, el_history_t::fun, el_history_t::last, NULL, el_history_t::ref, and el_history_t::sz.

Referenced by el_init().

00048 {
00049 
00050         el->el_history.fun = NULL;
00051         el->el_history.ref = NULL;
00052         el->el_history.buf = (char *) el_malloc(EL_BUFSIZ);
00053         el->el_history.sz  = EL_BUFSIZ;
00054         if (el->el_history.buf == NULL)
00055                 return (-1);
00056         el->el_history.last = el->el_history.buf;
00057         return (0);
00058 }

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protected int hist_set	(	EditLine *	el,
		hist_fun_t	fun,
		ptr_t	ptr
	)

Definition at line 77 of file hist.c.

References el, editline::el_history, el_history_t::fun, and el_history_t::ref.

Referenced by el_get(), and el_set().

00078 {
00079 
00080         el->el_history.ref = ptr;
00081         el->el_history.fun = fun;
00082         return (0);
00083 }

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Generated on Sat Sep 9 01:03:05 2006 for MySQL 5.1 by

1.4.7

mysql/src/5.1-dbg/cmd-line-utils/libedit/hist.c File Reference

Functions

Function Documentation