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Code Issues Releases Wiki Activity

remove isccc_cc_readsymtab/isccc_cc_writesymtab

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Brian Wellington
2001-03-28 23:10:39 +00:00
parent 1c17c669fa
commit 0368474a75
2 changed files with 2 additions and 124 deletions
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118
lib/isccc/cc.c
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@@ -16,7 +16,7 @@
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: cc.c,v 1.2 2001/03/27 20:07:56 bwelling Exp $ */
/* $Id: cc.c,v 1.3 2001/03/28 23:10:38 bwelling Exp $ */
#include <config.h>
@@ -803,119 +803,3 @@ isccc_cc_checkdup(isccc_symtab_t *symtab, isccc_sexpr_t *message,
return (ISC_R_SUCCESS);
}
isc_result_t
isccc_cc_readsymtab(isccc_symtab_t *symtab, const char *filename)
{
FILE *f;
size_t len;
char s[4096];
char *key, *dup_key;
char *value;
isccc_symvalue_t sv;
isc_result_t result;
f = fopen(filename, "r");
if (f == NULL) {
if (errno == ENOENT)
return (ISC_R_NOTFOUND);
else
return (isccc_result_fromerrno(errno));
}
while (fgets(s, sizeof s, f) != NULL) {
len = strlen(s);
if (len > 0 && s[len - 1] == '\n') {
s[len - 1] = '\0';
len--;
}
key = s;
value = s;
while (*value != ' ' && *value != '\t' && *value != '\0')
value++;
if (value == '\0') {
/*
* No value? Skip this line.
*/
continue;
}
/*
* Option has a value. Terminate the key and skip to
* the beginning of the value.
*/
*value = '\0';
value++;
while (*value == ' ' || *value == '\t')
value++;
dup_key = strdup(key);
if (dup_key == NULL) {
fclose(f);
return (ISC_R_NOMEMORY);
}
sv.as_uinteger = atoi(value);
result = isccc_symtab_define(symtab, dup_key,
ISCCC_SYMTYPE_CCDUP,
sv, isccc_symexists_reject);
if (result != ISC_R_SUCCESS) {
free(dup_key);
fclose(f);
return (result);
}
}
fclose(f);
return (ISC_R_SUCCESS);
}
static isc_boolean_t
symtab_print(char *key, unsigned int type, isccc_symvalue_t value,
void *arg)
{
FILE *f;
UNUSED(type);
f = arg;
(void)fprintf(f, "%s\t%u\n", key, value.as_uinteger);
return (ISC_FALSE);
}
isc_result_t
isccc_cc_writesymtab(isccc_symtab_t *symtab, const char *filename)
{
FILE *f;
char *newfilename;
size_t len;
isc_result_t result;
len = strlen(filename) + 4 + 1;
newfilename = malloc(len);
if (newfilename == NULL)
return (ISC_R_NOMEMORY);
/*
* This is safe.
*/
sprintf(newfilename, "%s.new", filename);
f = fopen(newfilename, "w");
if (f == NULL) {
free(newfilename);
return (isccc_result_fromerrno(errno));
}
isccc_symtab_foreach(symtab, symtab_print, f);
result = ISC_R_SUCCESS;
if (ferror(f))
result = ISC_R_FAILURE;
if (fclose(f) == EOF)
result = isccc_result_fromerrno(errno);
if (result == ISC_R_SUCCESS) {
if (rename(newfilename, filename) < 0)
result = isccc_result_fromerrno(errno);
}
free(newfilename);
return (result);
}