X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Flibc.so_src%2Fstdlib.c;h=e05ddc2d4ed07316e1958507402cd992f91df514;hb=7d1c355c2843a140d5c474567c690402793aaa36;hp=ddd1234a15bf6c19fd9c711c8f86a6dcdfe36afd;hpb=7f9d69d6ea27607efe01e7513fd09a9a8319e5e5;p=tpg%2Facess2.git diff --git a/Usermode/Libraries/libc.so_src/stdlib.c b/Usermode/Libraries/libc.so_src/stdlib.c index ddd1234a..e05ddc2d 100644 --- a/Usermode/Libraries/libc.so_src/stdlib.c +++ b/Usermode/Libraries/libc.so_src/stdlib.c @@ -2,32 +2,39 @@ * AcessOS Basic C Library * stdlib.c */ -/** - * \todo Move half of these to stdio - */ #include #include #include #include "lib.h" -#define _stdout 1 -#define _stdin 0 +extern void _stdio_cleanup(void); -extern void *_crt0_exit_handler; +#define MAX_ATEXIT_HANDLERS 64 // Standard defines >=32 // === PROTOTYPES === EXPORT int atoi(const char *str); EXPORT void exit(int status); // === GLOBALS === -void (*g_stdlib_exithandler)(void); +typedef void (*stdlib_exithandler_t)(void); +stdlib_exithandler_t g_stdlib_exithandlers[MAX_ATEXIT_HANDLERS]; + int g_stdlib_num_exithandlers; // === CODE === -void atexit(void (*__func)(void)) +void _call_atexit_handlers(void) +{ + int i; + for( i = g_stdlib_num_exithandlers; i --; ) + g_stdlib_exithandlers[i](); + _stdio_cleanup(); +} + +EXPORT void atexit(void (*__func)(void)) { - g_stdlib_exithandler = __func; - // TODO: Replace with meta-function to allow multiple atexit() handlers - _crt0_exit_handler = __func; + if( g_stdlib_num_exithandlers < MAX_ATEXIT_HANDLERS ) + { + g_stdlib_exithandlers[g_stdlib_num_exithandlers++] = __func; + } } /** @@ -36,8 +43,7 @@ void atexit(void (*__func)(void)) */ EXPORT void exit(int status) { - if( g_stdlib_exithandler ) - g_stdlib_exithandler(); + _call_atexit_handlers(); _exit(status); } @@ -48,7 +54,7 @@ EXPORT void exit(int status) */ EXPORT void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *)) { - int i, j, min; + size_t i, j, min; // With 0 items, there's nothing to do and with 1 its already sorted if(nmemb == 0 || nmemb == 1) return; @@ -71,69 +77,6 @@ EXPORT void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void } } -/** - * \fn EXPORT int atoi(const char *str) - * \brief Convert a string to an integer - */ -EXPORT int atoi(const char *str) -{ - int neg = 0; - int ret = 0; - - // NULL Check - if(!str) return 0; - - while(*str == ' ' || *str == '\t') str++; - - // Check for negative - if(*str == '-') { - neg = 1; - str++; - } - - if(*str == '0') { - str ++; - if(*str == 'x') { - str++; - // Hex - while( ('0' <= *str && *str <= '9') - || ('A' <= *str && *str <= 'F' ) - || ('a' <= *str && *str <= 'f' ) - ) - { - ret *= 16; - if(*str <= '9') { - ret += *str - '0'; - } else if (*str <= 'F') { - ret += *str - 'A' + 10; - } else { - ret += *str - 'a' + 10; - } - str++; - } - } else { - // Octal - while( '0' <= *str && *str <= '7' ) - { - ret *= 8; - ret += *str - '0'; - str++; - } - } - } else { - // Decimal - while( '0' <= *str && *str <= '9' ) - { - ret *= 10; - ret += *str - '0'; - str++; - } - } - - // Negate if needed - if(neg) ret = -ret; - return ret; -} int abs(int j) { return j < 0 ? -j : j; } long int labs(long int j) { return j < 0 ? -j : j; }