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Commit a patch by Larry Doolittle which fixes recursive calls to file_peek,

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and improves some debugging messages.
This commit is contained in:
Matt Kraai 2001-05-23 17:43:00 +00:00
parent 774d135b66
commit bdd4eced84
2 changed files with 16 additions and 14 deletions
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13
hush.c
View File

@ -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;
@ -932,10 +933,9 @@ 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;
}
@ -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;
}

13
shell/hush.c
View File

@ -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;
@ -932,10 +933,9 @@ 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;
}
@ -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;
}