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author | Matt Kraai | 2001-05-23 17:43:00 +0000 |
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committer | Matt Kraai | 2001-05-23 17:43:00 +0000 |
commit | bdd4eced8475919c9768c5aa1396e674397c63fd (patch) | |
tree | fe0252ec243bc3128f09144cedc531e5155e6069 /shell | |
parent | 774d135b66f4ba914ee8649ce6e8c3f7d3e36c35 (diff) | |
download | busybox-bdd4eced8475919c9768c5aa1396e674397c63fd.zip busybox-bdd4eced8475919c9768c5aa1396e674397c63fd.tar.gz |
Commit a patch by Larry Doolittle which fixes recursive calls to file_peek,
and improves some debugging messages.
Diffstat (limited to 'shell')
-rw-r--r-- | shell/hush.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/shell/hush.c b/shell/hush.c index 40787a4..0dc2d62 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -278,6 +278,7 @@ typedef struct { * available? Where is it documented? */ struct in_str { const char *p; + char peek_buf[2]; int __promptme; int promptmode; FILE *file; @@ -932,12 +933,11 @@ static int file_peek(struct in_str *i) if (i->p && *i->p) { return *i->p; } else { - static char buffer[2]; - buffer[0] = fgetc(i->file); - buffer[1] = '\0'; - i->p = buffer; + i->peek_buf[0] = fgetc(i->file); + i->peek_buf[1] = '\0'; + i->p = i->peek_buf; debug_printf("b_peek: got a %d\n", *i->p); - return *i->p; + return *i->p; } } @@ -1513,8 +1513,8 @@ static int run_list_real(struct pipe *pi) perror_msg("tcsetpgrp-4"); } else { rcode = pipe_wait(pi); - debug_printf("pipe_wait returned %d\n",rcode); } + debug_printf("pipe_wait returned %d\n",rcode); } last_return_code=rcode; if ( rmode == RES_IF || rmode == RES_ELIF ) @@ -2347,7 +2347,7 @@ int parse_stream(o_string *dest, struct p_context *ctx, done_pipe(ctx,PIPE_SEQ); } if (ch == end_trigger && !dest->quote && ctx->w==RES_NONE) { - debug_printf("leaving parse_stream\n"); + debug_printf("leaving parse_stream (triggered)\n"); return 0; } #if 0 @@ -2471,6 +2471,7 @@ int parse_stream(o_string *dest, struct p_context *ctx, * that is, we were really supposed to get end_trigger, and never got * one before the EOF. Can't use the standard "syntax error" return code, * so that parse_stream_outer can distinguish the EOF and exit smoothly. */ + debug_printf("leaving parse_stream (EOF)\n"); if (end_trigger != '\0') return -1; return 0; } |