Commit b59ca92e823e9b050518077e202e009cbbee828f
2022-02-05T10:55:09
use != '\0' comparison instead of SDL_strlen in the functions of SDL_getenv
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diff --git a/src/stdlib/SDL_getenv.c b/src/stdlib/SDL_getenv.c
index d54cfe9..add8332 100644
--- a/src/stdlib/SDL_getenv.c
+++ b/src/stdlib/SDL_getenv.c
@@ -48,7 +48,7 @@ int
SDL_setenv(const char *name, const char *value, int overwrite)
{
/* Input validation */
- if (!name || SDL_strlen(name) == 0 || SDL_strchr(name, '=') != NULL || !value) {
+ if (!name || *name == '\0' || SDL_strchr(name, '=') != NULL || !value) {
return (-1);
}
@@ -59,7 +59,7 @@ int
SDL_setenv(const char *name, const char *value, int overwrite)
{
/* Input validation */
- if (!name || SDL_strlen(name) == 0 || SDL_strchr(name, '=') != NULL || !value) {
+ if (!name || *name == '\0' || SDL_strchr(name, '=') != NULL || !value) {
return (-1);
}
@@ -82,7 +82,7 @@ SDL_setenv(const char *name, const char *value, int overwrite)
char *new_variable;
/* Input validation */
- if (!name || SDL_strlen(name) == 0 || SDL_strchr(name, '=') != NULL || !value) {
+ if (!name || *name == '\0' || SDL_strchr(name, '=') != NULL || !value) {
return (-1);
}
@@ -115,7 +115,7 @@ SDL_setenv(const char *name, const char *value, int overwrite)
char *new_variable;
/* Input validation */
- if (!name || SDL_strlen(name) == 0 || SDL_strchr(name, '=') != NULL || !value) {
+ if (!name || *name == '\0' || SDL_strchr(name, '=') != NULL || !value) {
return (-1);
}
@@ -181,7 +181,7 @@ SDL_getenv(const char *name)
#endif
/* Input validation */
- if (!name || !*name) {
+ if (!name || *name == '\0') {
return NULL;
}
@@ -194,7 +194,7 @@ SDL_getenv(const char *name)
size_t bufferlen;
/* Input validation */
- if (!name || SDL_strlen(name)==0) {
+ if (!name || *name == '\0') {
return NULL;
}
@@ -222,7 +222,7 @@ SDL_getenv(const char *name)
char *value;
/* Input validation */
- if (!name || SDL_strlen(name)==0) {
+ if (!name || *name == '\0') {
return NULL;
}