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Instead of bailing out on the first configuration file error, carry on,

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collecting all the errors, then start with the active window in more mode
displaying them.
This commit is contained in:
Nicholas Marriott
2010-02-06 17:15:33 +00:00
parent 5e6a7c85cc
commit 8aba77b7be
8 changed files with 112 additions and 61 deletions
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57
cfg.c
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@ -34,6 +34,9 @@ void printflike2 cfg_print(struct cmd_ctx *, const char *, ...);
void printflike2 cfg_error(struct cmd_ctx *, const char *, ...);
char *cfg_cause;
int cfg_finished;
char **cfg_causes;
u_int cfg_ncauses;
/* ARGSUSED */
void printflike2
@ -52,19 +55,38 @@ cfg_error(unused struct cmd_ctx *ctx, const char *fmt, ...)
va_end(ap);
}
void printflike3
cfg_add_cause(u_int *ncauses, char ***causes, const char *fmt, ...)
{
char *cause;
va_list ap;
va_start(ap, fmt);
xvasprintf(&cause, fmt, ap);
va_end(ap);
*causes = xrealloc(*causes, *ncauses + 1, sizeof **causes);
(*causes)[(*ncauses)++] = cause;
}
/*
* Load configuration file. Returns -1 for an error with a list of messages in
* causes. Note that causes and ncauses must be initialised by the caller!
*/
int
load_cfg(const char *path, struct cmd_ctx *ctxin, char **cause)
load_cfg(
const char *path, struct cmd_ctx *ctxin, u_int *ncauses, char ***causes)
{
FILE *f;
u_int n;
char *buf, *line, *ptr;
char *buf, *line, *cause;
size_t len;
struct cmd_list *cmdlist;
struct cmd_ctx ctx;
if ((f = fopen(path, "rb")) == NULL) {
xasprintf(cause, "%s: %s", path, strerror(errno));
return (1);
cfg_add_cause(ncauses, causes, "%s: %s", path, strerror(errno));
return (-1);
}
n = 0;
@ -80,10 +102,13 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, char **cause)
}
n++;
if (cmd_string_parse(buf, &cmdlist, cause) != 0) {
if (*cause == NULL)
if (cmd_string_parse(buf, &cmdlist, &cause) != 0) {
if (cause == NULL)
continue;
goto error;
cfg_add_cause(
ncauses, causes, "%s: %u: %s", path, n, cause);
xfree(cause);
continue;
}
if (cmdlist == NULL)
continue;
@ -107,23 +132,17 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, char **cause)
cmd_list_exec(cmdlist, &ctx);
cmd_list_free(cmdlist);
if (cfg_cause != NULL) {
*cause = cfg_cause;
goto error;
cfg_add_cause(
ncauses, causes, "%s: %d: %s", path, n, cfg_cause);
xfree(cfg_cause);
continue;
}
}
if (line != NULL)
xfree(line);
fclose(f);
if (*ncauses != 0)
return (-1);
return (0);
error:
if (line != NULL)
xfree(line);
fclose(f);
xasprintf(&ptr, "%s: %s at line %u", path, *cause, n);
xfree(*cause);
*cause = ptr;
return (1);
}