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Make options_tostring allocate its result instead of using a stack

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buffer (needed for something in the future).
This commit is contained in:
nicm
2019-04-25 18:18:55 +00:00
parent 1677bb0dea
commit 32a81e197b
4 changed files with 32 additions and 41 deletions
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27
format.c
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@@ -904,9 +904,8 @@ format_find(struct format_tree *ft, const char *key, int modifiers)
struct environ_entry *envent;
static char s[64];
struct options_entry *o;
const char *found;
int idx;
char *copy, *saved;
char *found, *saved;
if (~modifiers & FORMAT_TIMESTRING) {
o = options_parse_get(global_options, key, &idx, 0);
@@ -933,12 +932,11 @@ format_find(struct format_tree *ft, const char *key, int modifiers)
return (NULL);
ctime_r(&fe->t, s);
s[strcspn(s, "\n")] = '\0';
found = s;
found = xstrdup(s);
goto found;
}
if (fe->t != 0) {
xsnprintf(s, sizeof s, "%lld", (long long)fe->t);
found = s;
xasprintf(&found, "%lld", (long long)fe->t);
goto found;
}
if (fe->value == NULL && fe->cb != NULL) {
@@ -946,7 +944,7 @@ format_find(struct format_tree *ft, const char *key, int modifiers)
if (fe->value == NULL)
fe->value = xstrdup("");
}
found = fe->value;
found = xstrdup(fe->value);
goto found;
}
@@ -957,7 +955,7 @@ format_find(struct format_tree *ft, const char *key, int modifiers)
if (envent == NULL)
envent = environ_find(global_environ, key);
if (envent != NULL) {
found = envent->value;
found = xstrdup(envent->value);
goto found;
}
}
@@ -967,23 +965,22 @@ format_find(struct format_tree *ft, const char *key, int modifiers)
found:
if (found == NULL)
return (NULL);
copy = xstrdup(found);
if (modifiers & FORMAT_BASENAME) {
saved = copy;
copy = xstrdup(basename(saved));
saved = found;
found = xstrdup(basename(saved));
free(saved);
}
if (modifiers & FORMAT_DIRNAME) {
saved = copy;
copy = xstrdup(dirname(saved));
saved = found;
found = xstrdup(dirname(saved));
free(saved);
}
if (modifiers & FORMAT_QUOTE) {
saved = copy;
copy = xstrdup(format_quote(saved));
saved = found;
found = xstrdup(format_quote(saved));
free(saved);
}
return (copy);
return (found);
}
/* Skip until end. */