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mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00

Standardize treatment of strcmp() return value

Always compare the return value to 0, don't use cute tricks like
if (!strcmp(...)).
This commit is contained in:
Peter Eisentraut
2011-12-27 21:19:09 +02:00
parent d383c23f6f
commit 037a82704c
27 changed files with 85 additions and 86 deletions

View File

@ -97,19 +97,19 @@ get_float8_nan(void)
static bool
check_special_value(char *ptr, double *retval, char **endptr)
{
if (!pg_strncasecmp(ptr, "NaN", 3))
if (pg_strncasecmp(ptr, "NaN", 3) == 0)
{
*retval = get_float8_nan();
*endptr = ptr + 3;
return true;
}
else if (!pg_strncasecmp(ptr, "Infinity", 8))
else if (pg_strncasecmp(ptr, "Infinity", 8) == 0)
{
*retval = get_float8_infinity();
*endptr = ptr + 8;
return true;
}
else if (!pg_strncasecmp(ptr, "-Infinity", 9))
else if (pg_strncasecmp(ptr, "-Infinity", 9) == 0)
{
*retval = -get_float8_infinity();
*endptr = ptr + 9;

View File

@ -652,7 +652,7 @@ ECPGdeallocate_desc(int line, const char *name)
ecpg_init_sqlca(sqlca);
for (desc = get_descriptors(), prev = NULL; desc; prev = desc, desc = desc->next)
{
if (!strcmp(name, desc->name))
if (strcmp(name, desc->name) == 0)
{
if (prev)
prev->next = desc->next;

View File

@ -1650,9 +1650,9 @@ ecpg_execute(struct statement * stmt)
ecpg_log("ecpg_execute on line %d: OK: %s\n", stmt->lineno, cmdstat);
if (stmt->compat != ECPG_COMPAT_INFORMIX_SE &&
!sqlca->sqlerrd[2] &&
(!strncmp(cmdstat, "UPDATE", 6)
|| !strncmp(cmdstat, "INSERT", 6)
|| !strncmp(cmdstat, "DELETE", 6)))
(strncmp(cmdstat, "UPDATE", 6) == 0
|| strncmp(cmdstat, "INSERT", 6) == 0
|| strncmp(cmdstat, "DELETE", 6) == 0))
ecpg_raise(stmt->lineno, ECPG_NOT_FOUND, ECPG_SQLSTATE_NO_DATA, NULL);
break;
case PGRES_COPY_OUT:

View File

@ -361,7 +361,7 @@ SearchStmtCache(const char *ecpgQuery)
{
if (stmtCacheEntries[entNo].stmtID[0]) /* check if entry is in use */
{
if (!strcmp(ecpgQuery, stmtCacheEntries[entNo].ecpgQuery))
if (strcmp(ecpgQuery, stmtCacheEntries[entNo].ecpgQuery) == 0)
break; /* found it */
}
++entNo; /* incr entry # */

View File

@ -106,11 +106,11 @@ drop_descriptor(char *name, char *connection)
for (i = descriptors; i; lastptr = &i->next, i = i->next)
{
if (!strcmp(name, i->name))
if (strcmp(name, i->name) == 0)
{
if ((!connection && !i->connection)
|| (connection && i->connection
&& !strcmp(connection, i->connection)))
&& strcmp(connection, i->connection) == 0))
{
*lastptr = i->next;
if (i->connection)
@ -135,11 +135,11 @@ lookup_descriptor(char *name, char *connection)
for (i = descriptors; i; i = i->next)
{
if (!strcmp(name, i->name))
if (strcmp(name, i->name) == 0)
{
if ((!connection && !i->connection)
|| (connection && i->connection
&& !strcmp(connection, i->connection)))
&& strcmp(connection, i->connection) == 0))
return i;
}
}

View File

@ -102,7 +102,7 @@ ECPG: stmtViewStmt rule
{
const char *con = connection ? connection : "NULL";
if (!strcmp($1, "all"))
if (strcmp($1, "all") == 0)
fprintf(yyout, "{ ECPGdeallocate_all(__LINE__, %d, %s);", compat, con);
else if ($1[0] == ':')
fprintf(yyout, "{ ECPGdeallocate(__LINE__, %d, %s, %s);", compat, con, $1+1);

View File

@ -262,7 +262,7 @@ adjust_outofscope_cursor_vars(struct cursor *cur)
skip_set_var = true;
}
else if ((ptr->variable->type->type == ECPGt_char_variable)
&& (!strncmp(ptr->variable->name, "ECPGprepared_statement", strlen("ECPGprepared_statement"))))
&& (strncmp(ptr->variable->name, "ECPGprepared_statement", strlen("ECPGprepared_statement")) == 0))
{
newvar = ptr->variable;
skip_set_var = true;
@ -468,7 +468,7 @@ adjust_outofscope_cursor_vars(struct cursor *cur)
/* This tests whether the cursor was declared and opened in the same function. */
#define SAMEFUNC(cur) \
((cur->function == NULL) || \
(cur->function != NULL && !strcmp(cur->function, current_function)))
(cur->function != NULL && strcmp(cur->function, current_function) == 0))
static struct cursor *
add_additional_variables(char *name, bool insert)

View File

@ -163,7 +163,7 @@ output_deallocate_prepare_statement(char *name)
{
const char *con = connection ? connection : "NULL";
if (strcmp(name, "all"))
if (strcmp(name, "all") != 0)
{
fprintf(yyout, "{ ECPGdeallocate(__LINE__, %d, %s, ", compat, con);
output_escaped_str(name, true);

View File

@ -1319,7 +1319,7 @@ parse_include(void)
yyin = fopen(inc_file, "r");
if (!yyin)
{
if (strcmp(inc_file + strlen(inc_file) - 2, ".h"))
if (strcmp(inc_file + strlen(inc_file) - 2, ".h") != 0)
{
strcat(inc_file, ".h");
yyin = fopen(inc_file, "r");
@ -1346,7 +1346,7 @@ parse_include(void)
yyin = fopen(inc_file, "r");
if (!yyin)
{
if (strcmp(inc_file + strlen(inc_file) - 2, ".h"))
if (strcmp(inc_file + strlen(inc_file) - 2, ".h") != 0)
{
strcat(inc_file, ".h");
yyin = fopen( inc_file, "r" );

View File

@ -257,7 +257,7 @@ ECPGdump_a_type(FILE *o, const char *name, struct ECPGtype * type, const int bra
if ((var->type->type != type->type) ||
(var->type->type_name && !type->type_name) ||
(!var->type->type_name && type->type_name) ||
(var->type->type_name && type->type_name && strcmp(var->type->type_name, type->type_name)))
(var->type->type_name && type->type_name && strcmp(var->type->type_name, type->type_name) != 0))
mmerror(PARSE_ERROR, ET_ERROR, "variable \"%s\" is hidden by a local variable of a different type", name);
else if (var->brace_level != brace_level)
mmerror(PARSE_ERROR, ET_WARNING, "variable \"%s\" is hidden by a local variable", name);
@ -271,7 +271,7 @@ ECPGdump_a_type(FILE *o, const char *name, struct ECPGtype * type, const int bra
if ((var->type->type != ind_type->type) ||
(var->type->type_name && !ind_type->type_name) ||
(!var->type->type_name && ind_type->type_name) ||
(var->type->type_name && ind_type->type_name && strcmp(var->type->type_name, ind_type->type_name)))
(var->type->type_name && ind_type->type_name && strcmp(var->type->type_name, ind_type->type_name) != 0))
mmerror(PARSE_ERROR, ET_ERROR, "indicator variable \"%s\" is hidden by a local variable of a different type", ind_name);
else if (var->brace_level != ind_brace_level)
mmerror(PARSE_ERROR, ET_WARNING, "indicator variable \"%s\" is hidden by a local variable", ind_name);

View File

@ -491,7 +491,7 @@ get_typedef(char *name)
{
struct typedefs *this;
for (this = types; this && strcmp(this->name, name); this = this->next);
for (this = types; this && strcmp(this->name, name) != 0; this = this->next);
if (!this)
mmerror(PARSE_ERROR, ET_FATAL, "unrecognized data type name \"%s\"", name);