mirror of
https://github.com/moparisthebest/wget
synced 2024-07-03 16:38:41 -04:00
[svn] Improved init.c error messages.
This commit is contained in:
hniksic
parent
7211c51139
commit
e0303dd8ea
@ -1,3 +1,14 @@
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2003-09-21 Hrvoje Niksic <hniksic@xemacs.org>
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* init.c: Improved documentation of functions.
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(cmd_boolean): Attempt to make code that tries to avoid calling
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strcmp for "speed" a bit more readable.
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* init.c (simple_atof): Report error on encountering non-digit,
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non-"." character.
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(simple_atoi): Replacement for myatoi(), calling interface
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compatible with simple_atof. Updated myatoi's callers.
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2003-09-21 Bertrand Demiddelaer <bert@b3rt.org>
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* url.c (path_simplify): Would read two bytes past the end of the
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@ -37,7 +37,8 @@ typedef struct gen_md5_context gen_md5_context;
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struct gen_md5_context;
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#define ALLOCA_MD5_CONTEXT(var_name) \
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gen_md5_context *var_name = alloca (gen_md5_context_size ())
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gen_md5_context *var_name = \
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(gen_md5_context *) alloca (gen_md5_context_size ())
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int gen_md5_context_size PARAMS ((void));
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void gen_md5_init PARAMS ((gen_md5_context *));
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239
src/init.c
239
src/init.c
@ -339,7 +339,8 @@ wgetrc_file_name (void)
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{
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if (!file_exists_p (env))
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{
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fprintf (stderr, "%s: %s: %s.\n", exec_name, env, strerror (errno));
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fprintf (stderr, _("%s: WGETRC points to %s, which doesn't exist.\n"),
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exec_name, env);
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exit (1);
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}
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return xstrdup (env);
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@ -478,14 +479,18 @@ dehyphen (char *s)
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}
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/* Parse the line pointed by line, with the syntax:
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<sp>* command <sp>* = <sp>* value <newline>
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<sp>* command <sp>* = <sp>* value <sp>*
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Uses malloc to allocate space for command and value.
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If the line is invalid, data is freed and 0 is returned.
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Return values:
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1 - success
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0 - failure
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-1 - empty */
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0 - error
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-1 - empty
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In case of success, *COM and *VAL point to freshly allocated
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strings, and *COMIND points to com's index. In case of error or
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empty line, those values are unaffected. */
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static int
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parse_line (const char *line, char **com, char **val, int *comind)
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@ -563,12 +568,14 @@ setval_internal (int comind, const char *com, const char *val)
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void
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setoptval (const char *com, const char *val)
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{
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int comind = findcmd (com);
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assert (comind != -1);
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if (!setval_internal (comind, com, val))
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if (!setval_internal (findcmd (com), com, val))
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exit (2);
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}
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/* Parse OPT into command and value and run it. For example,
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run_command("foo=bar") is equivalent to setoptval("foo", "bar").
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This is used by the `--execute' flag in main.c. */
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void
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run_command (const char *opt)
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{
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@ -584,14 +591,25 @@ run_command (const char *opt)
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}
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else if (status == 0)
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{
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fprintf (stderr, "Invalid command `%s'\n", opt);
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fprintf (stderr, _("%s: Invalid --execute command `%s'\n"),
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exec_name, opt);
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exit (2);
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}
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}
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/* Generic helper functions, for use with `commands'. */
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static int myatoi PARAMS ((const char *s));
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#define CMP1(p, c0) (TOLOWER((p)[0]) == (c0) && (p)[1] == '\0')
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#define CMP2(p, c0, c1) (TOLOWER((p)[0]) == (c0) \
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&& TOLOWER((p)[1]) == (c1) \
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&& (p)[2] == '\0')
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#define CMP3(p, c0, c1, c2) (TOLOWER((p)[0]) == (c0) \
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&& TOLOWER((p)[1]) == (c1) \
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&& TOLOWER((p)[2]) == (c2) \
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&& (p)[3] == '\0')
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/* Store the boolean value from VAL to CLOSURE. COM is ignored,
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except for error messages. */
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@ -599,27 +617,18 @@ static int
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cmd_boolean (const char *com, const char *val, void *closure)
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{
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int bool_value;
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const char *v = val;
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#define LC(x) TOLOWER(x)
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if ((LC(v[0]) == 'o' && LC(v[1]) == 'n' && !v[2])
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||
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(LC(v[0]) == 'y' && LC(v[1]) == 'e' && LC(v[2]) == 's' && !v[3])
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||
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(v[0] == '1' && !v[1]))
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if (CMP2 (val, 'o', 'n') || CMP3 (val, 'y', 'e', 's') || CMP1 (val, '1'))
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/* "on", "yes" and "1" mean true. */
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bool_value = 1;
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else if ((LC(v[0]) == 'o' && LC(v[1]) == 'f' && LC(v[2]) == 'f' && !v[3])
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||
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(LC(v[0]) == 'n' && LC(v[1]) == 'o' && !v[2])
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||
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(v[0] == '0' && !v[1]))
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else if (CMP3 (val, 'o', 'f', 'f') || CMP2 (val, 'n', 'o') || CMP1 (val, '0'))
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/* "off", "no" and "0" mean false. */
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bool_value = 0;
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else
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{
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fprintf (stderr, _("%s: %s: Please specify on or off.\n"),
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exec_name, com);
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fprintf (stderr,
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_("%s: %s: Invalid boolean `%s', use `on' or `off'.\n"),
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exec_name, com, val);
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return 0;
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}
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@ -627,10 +636,10 @@ cmd_boolean (const char *com, const char *val, void *closure)
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return 1;
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}
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/* Store the lockable_boolean {2, 1, 0, -1} value from VAL to CLOSURE. COM is
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ignored, except for error messages. Values 2 and -1 indicate that once
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defined, the value may not be changed by successive wgetrc files or
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command-line arguments.
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/* Store the lockable_boolean {2, 1, 0, -1} value from VAL to CLOSURE.
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COM is ignored, except for error messages. Values 2 and -1
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indicate that once defined, the value may not be changed by
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successive wgetrc files or command-line arguments.
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Values: 2 - Enable a particular option for good ("always")
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1 - Enable an option ("on")
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@ -641,30 +650,28 @@ cmd_lockable_boolean (const char *com, const char *val, void *closure)
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{
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int lockable_boolean_value;
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int oldval = *(int *)closure;
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/*
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* If a config file said "always" or "never", don't allow command line
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* arguments to override the config file.
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*/
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if (*(int *)closure == -1 || *(int *)closure == 2)
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if (oldval == -1 || oldval == 2)
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return 1;
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if (!strcasecmp (val, "always") || !strcmp (val, "2"))
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if (0 == strcasecmp (val, "always") || CMP1 (val, '2'))
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lockable_boolean_value = 2;
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else if (!strcasecmp (val, "on")
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|| !strcasecmp (val, "yes")
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|| !strcmp (val, "1"))
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else if (CMP2 (val, 'o', 'n') || CMP3 (val, 'y', 'e', 's') || CMP1 (val, '1'))
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lockable_boolean_value = 1;
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else if (!strcasecmp (val, "off")
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|| !strcasecmp (val, "no")
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|| !strcmp (val, "0"))
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else if (CMP3 (val, 'o', 'f', 'f') || CMP2 (val, 'n', 'o') || CMP1 (val, '0'))
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lockable_boolean_value = 0;
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else if (!strcasecmp (val, "never") || !strcmp (val, "-1"))
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else if (0 == strcasecmp (val, "never") || CMP2 (val, '-', '1'))
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lockable_boolean_value = -1;
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else
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{
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fprintf (stderr, _("%s: %s: Please specify always, on, off, "
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"or never.\n"),
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exec_name, com);
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fprintf (stderr,
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_("%s: %s: Invalid boolean `%s', use always, on, off, or never.\n"),
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exec_name, com, val);
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return 0;
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}
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@ -672,20 +679,19 @@ cmd_lockable_boolean (const char *com, const char *val, void *closure)
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return 1;
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}
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static int simple_atoi PARAMS ((const char *, const char *, int *));
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/* Set the non-negative integer value from VAL to CLOSURE. With
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incorrect specification, the number remains unchanged. */
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static int
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cmd_number (const char *com, const char *val, void *closure)
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{
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int num = myatoi (val);
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if (num == -1)
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if (!simple_atoi (val, val + strlen (val), closure))
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{
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fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
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fprintf (stderr, _("%s: %s: Invalid number `%s'.\n"),
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exec_name, com, val);
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return 0;
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}
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*(int *)closure = num;
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return 1;
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}
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@ -792,9 +798,10 @@ cmd_directory (const char *com, const char *val, void *closure)
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return 1;
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}
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/* Merge the vector (array of strings separated with `,') in COM with
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the vector (NULL-terminated array of strings) pointed to by
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CLOSURE. */
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/* Split VAL by space to a vector of values, and append those values
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to vector pointed to by the CLOSURE argument. If VAL is empty, the
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CLOSURE vector is cleared instead. */
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static int
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cmd_vector (const char *com, const char *val, void *closure)
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{
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@ -841,46 +848,7 @@ cmd_directory_vector (const char *com, const char *val, void *closure)
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return 1;
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}
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/* Poor man's atof: handles only <digits>.<digits>. Returns 1 on
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success, 0 on failure. In case of success, stores its result to
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*DEST. */
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static int
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simple_atof (const char *beg, const char *end, double *dest)
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{
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double result = 0;
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int seen_dot = 0;
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int seen_digit = 0;
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double divider = 1;
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const char *p = beg;
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while (p < end)
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{
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char ch = *p++;
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if (ISDIGIT (ch))
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{
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if (!seen_dot)
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result = (10 * result) + (ch - '0');
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else
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result += (ch - '0') / (divider *= 10);
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seen_digit = 1;
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}
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else if (ch == '.')
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{
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if (!seen_dot)
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seen_dot = 1;
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else
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return 0;
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}
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}
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if (!seen_digit)
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return 0;
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*dest = result;
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return 1;
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}
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static int simple_atof PARAMS ((const char *, const char *, double *));
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/* Parse VAL as a number and set its value to CLOSURE (which should
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point to a long int).
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@ -917,7 +885,8 @@ cmd_bytes (const char *com, const char *val, void *closure)
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if (val == end)
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{
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err:
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fprintf (stderr, _("%s: Invalid byte value `%s'\n"), com, val);
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fprintf (stderr, _("%s: %s: Invalid byte value `%s'\n"),
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exec_name, com, val);
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return 0;
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}
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@ -970,7 +939,8 @@ cmd_time (const char *com, const char *val, void *closure)
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if (val == end)
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{
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err:
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fprintf (stderr, _("%s: Invalid time specification `%s'\n"), com, val);
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fprintf (stderr, _("%s: %s: Invalid time period `%s'\n"),
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exec_name, com, val);
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return 0;
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}
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@ -1046,7 +1016,7 @@ cmd_spec_header (const char *com, const char *val, void *closure)
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if (!check_user_specified_header (val))
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{
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fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
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fprintf (stderr, _("%s: %s: Invalid header `%s'.\n"),
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exec_name, com, val);
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return 0;
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}
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@ -1071,6 +1041,9 @@ cmd_spec_htmlify (const char *com, const char *val, void *closure)
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return flag;
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}
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/* Set the "mirror" mode. It means: recursive download, timestamping,
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no limit on max. recursion depth, and don't remove listings. */
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static int
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cmd_spec_mirror (const char *com, const char *val, void *closure)
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{
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@ -1090,6 +1063,9 @@ cmd_spec_mirror (const char *com, const char *val, void *closure)
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return 1;
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}
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/* Set progress.type to VAL, but verify that it's a valid progress
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implementation before that. */
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static int
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cmd_spec_progress (const char *com, const char *val, void *closure)
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{
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@ -1107,6 +1083,10 @@ cmd_spec_progress (const char *com, const char *val, void *closure)
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return 1;
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}
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/* Set opt.recursive to VAL as with cmd_boolean. If opt.recursive is
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set to true, also set opt.dirstruct to 1, unless opt.no_dirstruct
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is specified. */
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static int
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cmd_spec_recursive (const char *com, const char *val, void *closure)
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{
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@ -1141,7 +1121,8 @@ cmd_spec_restrict_file_names (const char *com, const char *val, void *closure)
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else
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{
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err:
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fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
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fprintf (stderr,
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_("%s: %s: Invalid restriction `%s', use `unix' or `windows'.\n"),
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exec_name, com, val);
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return 0;
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}
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@ -1182,7 +1163,7 @@ cmd_spec_useragent (const char *com, const char *val, void *closure)
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junk to the server. */
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if (!*val || strchr (val, '\n'))
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{
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fprintf (stderr, _("%s: %s: Invalid specification `%s'.\n"),
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fprintf (stderr, _("%s: %s: Invalid value `%s'.\n"),
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exec_name, com, val);
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return 0;
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}
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@ -1192,20 +1173,70 @@ cmd_spec_useragent (const char *com, const char *val, void *closure)
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/* Miscellaneous useful routines. */
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/* Return the integer value of a positive integer written in S, or -1
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if an error was encountered. */
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static int
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myatoi (const char *s)
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{
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int res;
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const char *orig = s;
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/* A very simple atoi clone, more portable than strtol and friends,
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but reports errors, unlike atoi. Returns 1 on success, 0 on
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failure. In case of success, stores result to *DEST. */
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for (res = 0; *s && ISDIGIT (*s); s++)
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res = 10 * res + (*s - '0');
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if (*s || orig == s)
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return -1;
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static int
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simple_atoi (const char *beg, const char *end, int *dest)
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{
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int result = 0;
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const char *p;
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if (beg == end)
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return 0;
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for (p = beg; p < end && ISDIGIT (*p); p++)
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result = (10 * result) + (*p - '0');
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if (p != end)
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return 0;
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*dest = result;
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return 1;
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}
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/* Trivial atof, with error reporting. Handles "<digits>[.<digits>]",
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doesn't handle exponential notation. Returns 1 on success, 0 on
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failure. In case of success, stores its result to *DEST. */
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static int
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simple_atof (const char *beg, const char *end, double *dest)
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{
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double result = 0;
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int seen_dot = 0;
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int seen_digit = 0;
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double divider = 1;
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const char *p;
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for (p = beg; p < end; p++)
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{
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char ch = *p;
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if (ISDIGIT (ch))
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{
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if (!seen_dot)
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result = (10 * result) + (ch - '0');
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else
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return res;
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result += (ch - '0') / (divider *= 10);
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seen_digit = 1;
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}
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else if (ch == '.')
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{
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if (!seen_dot)
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seen_dot = 1;
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else
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return 0;
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}
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else
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return 0;
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}
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if (!seen_digit)
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return 0;
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*dest = result;
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return 1;
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}
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static int
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