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properly handle invalid tab sizes in nanorc files and make a few more 

cosmetic cleanups


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1859 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
David Lawrence Ramsey 2004-07-18 17:43:43 +00:00
parent 24f10c30c3
commit 36dd87b1fb
3 changed files with 34 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
ChangeLog
View File

@ -37,7 +37,8 @@ CVS code -
while keeping the ability to hold negative numbers in case of
errors. Also exit instead of calling usage() in the event of
an invalid fill value, for consistency with how an invalid
tabsize value is handled.
tabsize value is handled. Finally, handle invalid tabsize
entries in the rcfile the same way as on the command line.
- Remove several unnecessary reset_cursor() calls. (David
Benbennick)
- Include <sys/types.h> in proto.h. (David Benbennick) DLR:

34
src/files.c
View File

@ -1535,8 +1535,7 @@ int write_file(const char *name, int tmp, int append, int nonamechange)
utime(backupname, &filetime) == -1) {
free(backupname);
if (copy_status == -1)
statusbar(_("Error reading %s: %s"), realname,
strerror(errno));
statusbar(_("Error reading %s: %s"), realname, strerror(errno));
else
statusbar(_("Error writing %s: %s"), backupname,
strerror(errno));
@ -2694,14 +2693,16 @@ char *do_browser(const char *inpath)
* directory if it is .. or if it is a symlink to
* directory outside the operating directory. */
if (check_operating_dir(filelist[selected], FALSE) != 0) {
statusbar(_("Can't go outside of %s in restricted mode"), operating_dir);
statusbar(_("Can't go outside of %s in restricted mode"),
operating_dir);
beep();
break;
}
#endif
if (stat(filelist[selected], &st) == -1) {
statusbar(_("Can't open \"%s\": %s"), filelist[selected], strerror(errno));
statusbar(_("Can't open \"%s\": %s"), filelist[selected],
strerror(errno));
beep();
break;
}
@ -2728,7 +2729,8 @@ char *do_browser(const char *inpath)
if (!readable_dir(new_path)) {
/* We can't open this dir for some reason. Complain */
statusbar(_("Can't open \"%s\": %s"), new_path, strerror(errno));
statusbar(_("Can't open \"%s\": %s"), new_path,
strerror(errno));
free(new_path);
break;
}
@ -2953,8 +2955,7 @@ void load_history(void)
if (errno != ENOENT) {
/* Don't save history when we quit. */
UNSET(HISTORYLOG);
rcfile_error(N_("Unable to open ~/.nano_history file: %s"),
strerror(errno));
rcfile_error(N_("Unable to open ~/.nano_history file: %s"), strerror(errno));
}
free(nanohist);
} else {
@ -3003,10 +3004,9 @@ void save_history(void)
if (homenv != NULL || userage != NULL) {
hist = fopen(nanohist, "wb");
if (hist == NULL) {
rcfile_error(N_("Unable to write ~/.nano_history file: %s"),
strerror(errno));
} else {
if (hist == NULL)
rcfile_error(N_("Unable to write ~/.nano_history file: %s"), strerror(errno));
else {
/* set rw only by owner for security ?? */
chmod(nanohist, S_IRUSR | S_IWUSR);
/* write oldest first */
@ -3014,25 +3014,19 @@ void save_history(void)
h->data = charealloc(h->data, strlen(h->data) + 2);
strcat(h->data, "\n");
if (fputs(h->data, hist) == EOF) {
rcfile_error(
N_("Unable to write ~/.nano_history file: %s"),
strerror(errno));
rcfile_error(N_("Unable to write ~/.nano_history file: %s"), strerror(errno));
goto come_from;
}
}
if (fputs("\n", hist) == EOF) {
rcfile_error(
N_("Unable to write ~/.nano_history file: %s"),
strerror(errno));
rcfile_error(N_("Unable to write ~/.nano_history file: %s"), strerror(errno));
goto come_from;
}
for (h = replace_history.tail; h->prev; h = h->prev) {
h->data = charealloc(h->data, strlen(h->data) + 2);
strcat(h->data, "\n");
if (fputs(h->data, hist) == EOF) {
rcfile_error(
N_("Unable to write ~/.nano_history file: %s"),
strerror(errno));
rcfile_error(N_("Unable to write ~/.nano_history file: %s"), strerror(errno));
goto come_from;
}
}

42
src/rcfile.c
View File

@ -268,8 +268,7 @@ void parse_syntax(char *ptr)
return;
if (*ptr != '"') {
rcfile_error(
N_("Regex strings must begin and end with a \" character\n"));
rcfile_error(N_("Regex strings must begin and end with a \" character\n"));
return;
}
ptr++;
@ -356,8 +355,7 @@ void parse_colors(char *ptr)
strtok(fgstr, ",");
bgcolorname = strtok(NULL, ",");
if (!strncasecmp(bgcolorname, "bright", 6)) {
rcfile_error(N_("Background color %s cannot be bright"),
bgcolorname);
rcfile_error(N_("Background color %s cannot be bright"), bgcolorname);
return;
}
bg = colortoint(bgcolorname, &bright);
@ -400,8 +398,7 @@ void parse_colors(char *ptr)
}
if (*ptr != '"') {
rcfile_error(
N_("Regex strings must begin and end with a \" character\n"));
rcfile_error(N_("Regex strings must begin and end with a \" character\n"));
ptr = parse_next_regex(ptr);
continue;
}
@ -439,16 +436,14 @@ void parse_colors(char *ptr)
if (expectend) {
if (ptr == NULL || strncasecmp(ptr, "end=", 4)) {
rcfile_error(
N_("\"start=\" requires a corresponding \"end=\""));
rcfile_error(N_("\"start=\" requires a corresponding \"end=\""));
return;
}
ptr += 4;
if (*ptr != '"') {
rcfile_error(
N_("Regex strings must begin and end with a \" character\n"));
rcfile_error(N_("Regex strings must begin and end with a \" character\n"));
continue;
}
ptr++;
@ -551,9 +546,7 @@ void parse_rcfile(FILE *rcstream)
#endif
) {
if (*ptr == '\n' || *ptr == '\0') {
rcfile_error(
N_("Option %s requires an argument"),
rcopts[i].name);
rcfile_error(N_("Option %s requires an argument"), rcopts[i].name);
continue;
}
option = ptr;
@ -571,9 +564,7 @@ void parse_rcfile(FILE *rcstream)
#ifndef DISABLE_WRAPJUSTIFY
if (!strcasecmp(rcopts[i].name, "fill")) {
if (parse_num(option, &wrap_at) == -1)
rcfile_error(
N_("Requested fill size %s invalid"),
option);
rcfile_error(N_("Requested fill size %s invalid"), option);
} else
#endif
#ifndef NANO_SMALL
@ -582,8 +573,7 @@ void parse_rcfile(FILE *rcstream)
whitespace = mallocstrcpy(NULL, option);
ws_len = strlen(whitespace);
if (ws_len != 2 || (ws_len == 2 && (is_cntrl_char(whitespace[0]) || is_cntrl_char(whitespace[1])))) {
rcfile_error(
N_("Two non-control characters required"));
rcfile_error(N_("Two non-control characters required"));
free(whitespace);
whitespace = NULL;
}
@ -593,16 +583,14 @@ void parse_rcfile(FILE *rcstream)
if (!strcasecmp(rcopts[i].name, "punct")) {
punct = mallocstrcpy(NULL, option);
if (strchr(punct, '\t') != NULL || strchr(punct, ' ') != NULL) {
rcfile_error(
N_("Non-tab and non-space characters required"));
rcfile_error(N_("Non-tab and non-space characters required"));
free(punct);
punct = NULL;
}
} else if (!strcasecmp(rcopts[i].name, "brackets")) {
brackets = mallocstrcpy(NULL, option);
if (strchr(brackets, '\t') != NULL || strchr(brackets, ' ') != NULL) {
rcfile_error(
N_("Non-tab and non-space characters required"));
rcfile_error(N_("Non-tab and non-space characters required"));
free(brackets);
brackets = NULL;
}
@ -621,10 +609,9 @@ void parse_rcfile(FILE *rcstream)
else
#endif
if (!strcasecmp(rcopts[i].name, "tabsize")) {
if (parse_num(option, &tabsize) == -1)
rcfile_error(
N_("Requested tab size %s invalid"),
option);
if (parse_num(option, &tabsize) == -1 ||
tabsize <= 0)
rcfile_error(N_("Requested tab size %s invalid"), option);
}
} else
SET(rcopts[i].flag);
@ -698,8 +685,7 @@ void do_rcfile(void)
if ((rcstream = fopen(nanorc, "r")) == NULL) {
/* Don't complain about the file not existing */
if (errno != ENOENT) {
rcfile_error(N_("Unable to open ~/.nanorc file, %s"),
strerror(errno));
rcfile_error(N_("Unable to open ~/.nanorc file: %s"), strerror(errno));
SET(NO_RCFILE);
}
} else {