diff options
Diffstat (limited to 'shell/cmdedit.c')
| -rw-r--r-- | shell/cmdedit.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/shell/cmdedit.c b/shell/cmdedit.c index b6e743e..73378e6 100644 --- a/shell/cmdedit.c +++ b/shell/cmdedit.c @@ -90,7 +90,12 @@ /* Maximum length of the linked list for the command line history */ -#define MAX_HISTORY 15 +#ifndef CONFIG_FEATURE_COMMAND_HISTORY +#define MAX_HISTORY 15 +#else +#define MAX_HISTORY CONFIG_FEATURE_COMMAND_HISTORY +#endif + #if MAX_HISTORY < 1 #warning cmdedit: You set MAX_HISTORY < 1. The history algorithm switched off. #else @@ -1125,6 +1130,55 @@ static int get_next_history(void) return 0; } } + + +extern void load_history ( char *fromfile ) +{ +#ifdef CONFIG_FEATURE_COMMAND_SAVEHISTORY + FILE *fp; + + // cleanup old + while ( n_history ) { + if ( history [n_history - 1] ) + free ( history [n_history - 1] ); + n_history--; + } + + if (( fp = fopen ( fromfile, "r" ))) { + char buffer [256]; + int i, l; + + for ( i = 0; i < MAX_HISTORY; i++ ) { + if ( !fgets ( buffer, sizeof( buffer ) - 1, fp )) + break; + l = xstrlen ( buffer ); + if ( l && buffer [l - 1] == '\n' ) + buffer [l - 1] = 0; + history [n_history++] = xstrdup ( buffer ); + } + fclose ( fp ); + } + cur_history = n_history; +#endif +} + +extern void save_history ( char *tofile ) +{ +#ifdef CONFIG_FEATURE_COMMAND_SAVEHISTORY + FILE *fp = fopen ( tofile, "w" ); + + if ( fp ) { + int i; + + for ( i = 0; i < n_history; i++ ) { + fputs ( history [i], fp ); + fputc ( '\n', fp ); + } + fclose ( fp ); + } +#endif +} + #endif enum { |