diff options
Diffstat (limited to 'src/glut/dos/PC_HW/pc_hw.c')
| -rw-r--r-- | src/glut/dos/PC_HW/pc_hw.c | 290 |
1 files changed, 145 insertions, 145 deletions
diff --git a/src/glut/dos/PC_HW/pc_hw.c b/src/glut/dos/PC_HW/pc_hw.c index f08286d..b1fd84b 100644 --- a/src/glut/dos/PC_HW/pc_hw.c +++ b/src/glut/dos/PC_HW/pc_hw.c @@ -1,145 +1,145 @@ -/*
- * PC/HW routine collection v1.3 for DOS/DJGPP
- *
- * Copyright (C) 2002 - Borca Daniel
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include <dpmi.h>
-#include <fcntl.h>
-#include <sys/stat.h> /* for mode definitions */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "pc_hw.h"
-
-/*
- * atexit
- */
-#define MAX_ATEXIT 32
-
-static volatile int atexitcnt;
-static VFUNC atexittbl[MAX_ATEXIT];
-
-static void __attribute__((destructor)) doexit (void)
-{
- while (atexitcnt) atexittbl[--atexitcnt]();
-}
-
-int pc_clexit (VFUNC f)
-{
- int i;
-
- for (i=0;i<atexitcnt;i++) {
- if (atexittbl[i]==f) {
- for (atexitcnt--;i<atexitcnt;i++) atexittbl[i] = atexittbl[i+1];
- atexittbl[i] = 0;
- return 0;
- }
- }
- return -1;
-}
-
-int pc_atexit (VFUNC f)
-{
- pc_clexit(f);
- if (atexitcnt<MAX_ATEXIT) {
- atexittbl[atexitcnt++] = f;
- return 0;
- }
- return -1;
-}
-
-/*
- * locked memory allocation
- */
-void *pc_malloc (size_t size)
-{
- void *p = malloc(size);
-
- if (p) {
- if (_go32_dpmi_lock_data(p, size)) {
- free(p);
- return NULL;
- }
- }
-
- return p;
-}
-
-/*
- * standard redirection
- */
-static char outname[L_tmpnam];
-static int h_out, h_outbak;
-static char errname[L_tmpnam];
-static int h_err, h_errbak;
-
-int pc_open_stdout (void)
-{
- tmpnam(outname);
-
- if ((h_out=open(outname, O_WRONLY | O_CREAT | O_TEXT | O_TRUNC, S_IREAD | S_IWRITE)) > 0) {
- h_outbak = dup(STDOUT_FILENO);
- fflush(stdout);
- dup2(h_out, STDOUT_FILENO);
- }
-
- return h_out;
-}
-
-void pc_close_stdout (void)
-{
- FILE *f;
- char *line = alloca(512);
-
- if (h_out > 0) {
- dup2(h_outbak, STDOUT_FILENO);
- close(h_out);
- close(h_outbak);
-
- f = fopen(outname, "rt");
- while (fgets(line, 512, f)) {
- fputs(line, stdout);
- }
- fclose(f);
-
- remove(outname);
- }
-}
-
-int pc_open_stderr (void)
-{
- tmpnam(errname);
-
- if ((h_err=open(errname, O_WRONLY | O_CREAT | O_TEXT | O_TRUNC, S_IREAD | S_IWRITE)) > 0) {
- h_errbak = dup(STDERR_FILENO);
- fflush(stderr);
- dup2(h_err, STDERR_FILENO);
- }
-
- return h_err;
-}
-
-void pc_close_stderr (void)
-{
- FILE *f;
- char *line = alloca(512);
-
- if (h_err > 0) {
- dup2(h_errbak, STDERR_FILENO);
- close(h_err);
- close(h_errbak);
-
- f = fopen(errname, "rt");
- while (fgets(line, 512, f)) {
- fputs(line, stderr);
- }
- fclose(f);
-
- remove(errname);
- }
-}
+/* + * PC/HW routine collection v1.3 for DOS/DJGPP + * + * Copyright (C) 2002 - Borca Daniel + * Email : dborca@yahoo.com + * Web : http://www.geocities.com/dborca + */ + + +#include <dpmi.h> +#include <fcntl.h> +#include <sys/stat.h> /* for mode definitions */ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "pc_hw.h" + +/* + * atexit + */ +#define MAX_ATEXIT 32 + +static volatile int atexitcnt; +static VFUNC atexittbl[MAX_ATEXIT]; + +static void __attribute__((destructor)) doexit (void) +{ + while (atexitcnt) atexittbl[--atexitcnt](); +} + +int pc_clexit (VFUNC f) +{ + int i; + + for (i=0;i<atexitcnt;i++) { + if (atexittbl[i]==f) { + for (atexitcnt--;i<atexitcnt;i++) atexittbl[i] = atexittbl[i+1]; + atexittbl[i] = 0; + return 0; + } + } + return -1; +} + +int pc_atexit (VFUNC f) +{ + pc_clexit(f); + if (atexitcnt<MAX_ATEXIT) { + atexittbl[atexitcnt++] = f; + return 0; + } + return -1; +} + +/* + * locked memory allocation + */ +void *pc_malloc (size_t size) +{ + void *p = malloc(size); + + if (p) { + if (_go32_dpmi_lock_data(p, size)) { + free(p); + return NULL; + } + } + + return p; +} + +/* + * standard redirection + */ +static char outname[L_tmpnam]; +static int h_out, h_outbak; +static char errname[L_tmpnam]; +static int h_err, h_errbak; + +int pc_open_stdout (void) +{ + tmpnam(outname); + + if ((h_out=open(outname, O_WRONLY | O_CREAT | O_TEXT | O_TRUNC, S_IREAD | S_IWRITE)) > 0) { + h_outbak = dup(STDOUT_FILENO); + fflush(stdout); + dup2(h_out, STDOUT_FILENO); + } + + return h_out; +} + +void pc_close_stdout (void) +{ + FILE *f; + char *line = alloca(512); + + if (h_out > 0) { + dup2(h_outbak, STDOUT_FILENO); + close(h_out); + close(h_outbak); + + f = fopen(outname, "rt"); + while (fgets(line, 512, f)) { + fputs(line, stdout); + } + fclose(f); + + remove(outname); + } +} + +int pc_open_stderr (void) +{ + tmpnam(errname); + + if ((h_err=open(errname, O_WRONLY | O_CREAT | O_TEXT | O_TRUNC, S_IREAD | S_IWRITE)) > 0) { + h_errbak = dup(STDERR_FILENO); + fflush(stderr); + dup2(h_err, STDERR_FILENO); + } + + return h_err; +} + +void pc_close_stderr (void) +{ + FILE *f; + char *line = alloca(512); + + if (h_err > 0) { + dup2(h_errbak, STDERR_FILENO); + close(h_err); + close(h_errbak); + + f = fopen(errname, "rt"); + while (fgets(line, 512, f)) { + fputs(line, stderr); + } + fclose(f); + + remove(errname); + } +} |