diff options
Diffstat (limited to 'Src/prompt.c')
-rw-r--r-- | Src/prompt.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/Src/prompt.c b/Src/prompt.c index be7dc672c..facf777f0 100644 --- a/Src/prompt.c +++ b/Src/prompt.c @@ -31,7 +31,7 @@ #include "prompt.pro" /* text attribute mask */ - + /**/ unsigned txtattrmask; @@ -41,7 +41,7 @@ unsigned txtattrmask; mod_export unsigned txtchange; /* the command stack for use with %_ in prompts */ - + /**/ unsigned char *cmdstack; /**/ @@ -59,7 +59,7 @@ static char *cmdnames[CS_COUNT] = { "cmdsubst", "mathsubst", "elif-then", "heredoc", "heredocd", "brace", "braceparam", "always", }; - + /* The buffer into which an expanded and metafied prompt is being written, * * and its size. */ @@ -1304,3 +1304,22 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar) } return 1; } + +/**/ +void +cmdpush(int cmdtok) +{ + if (cmdsp >= 0 && cmdsp < CMDSTACKSZ) + cmdstack[cmdsp++] = (unsigned char)cmdtok; +} + +/**/ +void +cmdpop(void) +{ + if (cmdsp <= 0) { + DPUTS(1, "BUG: cmdstack empty"); + fflush(stderr); + } else + cmdsp--; +} |