From ae5a2970eff8806dcfac05953e78077b4ef82dbf Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Wed, 5 Nov 2003 07:08:20 +0000
Subject: Rip the guts out of the dynamically generated sysconf.c, and live
 with a simple static version.  This will need further work later on, but
 should do the job for the time being,

---
 libc/unistd/sysconf.c | 162 --------------------------------------------------
 1 file changed, 162 deletions(-)

(limited to 'libc/unistd/sysconf.c')

diff --git a/libc/unistd/sysconf.c b/libc/unistd/sysconf.c
index 3aa03ea49..daf0e6144 100644
--- a/libc/unistd/sysconf.c
+++ b/libc/unistd/sysconf.c
@@ -47,7 +47,6 @@ extern int getdtablesize (void);
  * repeats and moving to a table-based implementation, we generate 283
  * bytes on i386 (-Os -fomit-frame-pointer).
  */
-#ifndef _UCLIBC_GENERATE_SYSCONF_MAIN
 
 #ifdef _UCLIBC_GENERATE_SYSCONF_ARCH
 /*
@@ -900,164 +899,3 @@ long int __sysconf(int name)
 }
 weak_alias(__sysconf, sysconf);
 
-#endif /* _UCLIBC_GENERATE_SYSCONF_MAIN */
-/***********************************************************************/
-#ifdef _UCLIBC_GENERATE_SYSCONF_MAIN
-
-static long int ret_vals[_UCLIBC_SYSCONF_NUM_VALID_ARGS];
-
-static const char *type_str[] = {
-	"char", "short", "int", "long"
-};
-
-static const char *type_fmt[] = { " %4ld", " %6ld", " %8ld", " %8ld" };
-static const int type_mod[] = { 13, 9, 6, 6 };
-
-static int find_or_add_in_table(int index, long int val, int *table, 
-								int *num_in_table, int add_flag)
-{
-	int i;
-
-	for (i=0 ; i<*num_in_table ; i++) {
-		if (ret_vals[table[i]] == val) {
-			return i;
-		}
-	}
-	if (add_flag) {
-		table[(*num_in_table)++] = index;
-		return i;
-	} else {
-		return -1;
-	}
-}
-
-
-int main(void)
-{
-	long int r;
-	int type_table[5][_UCLIBC_SYSCONF_NUM_VALID_ARGS];
-	int ret_type[_UCLIBC_SYSCONF_NUM_VALID_ARGS];
-	int num_type[5];
-	int i, j, k, code;
-
-	for (i=0 ; i<5 ; i++) {
-		num_type[i] = 0;
-	}
-
-	for (i=0; i<_UCLIBC_SYSCONF_NUM_VALID_ARGS ; i++) {
-		__set_errno(0);
-		r = ret_vals[i] = sysconf(i);
-		switch(errno) {
-			case EINVAL:		/* we're missing a case! */
-				fprintf(stderr,"sysconf.c is broken! case %d missing!\n", i);
-				return EXIT_FAILURE;
-			case EISNAM:		/* function */
-				find_or_add_in_table(i,r,type_table[4],num_type+4,1);
-				ret_type[i] = 4;
-				break;
-			case ENOSYS:		/* defaults to -1 */
-				/* why does this break for shared???? */
-				fprintf(stderr,"gen_sysconf advisory --"
-						"case %d defaults to -1\n", i);
-				/* fall through */
-			case 0:
-				if ((r>=CHAR_MIN) && (r<=CHAR_MAX)) {
-					ret_type[i] = 0;
-					find_or_add_in_table(i,r,type_table[0],num_type+0,1);
-				} else if ((r>=SHRT_MIN) && (r<=SHRT_MAX)) {
-					ret_type[i] = 1;
-					find_or_add_in_table(i,r,type_table[1],num_type+1,1);
-				} else if ((r>=INT_MIN) && (r<=INT_MAX)) {
-					ret_type[i] = 2;
-					find_or_add_in_table(i,r,type_table[2],num_type+2,1);
-				} else {
-					ret_type[i] = 3;
-					find_or_add_in_table(i,r,type_table[3],num_type+3,1);
-				}
-				break;
-			default:
-				fprintf(stderr,"sysconf.c is broken! errno = %d!\n", errno);
-				break;
-		}
-	}
-
-	printf("#include <errno.h>\n#include <unistd.h>\n#include <limits.h>\n\n");
-
-	printf("static const unsigned char index[%d] = {",
-		   _UCLIBC_SYSCONF_NUM_VALID_ARGS);
-	for (i=0 ; i<_UCLIBC_SYSCONF_NUM_VALID_ARGS ; i++) {
-		if (i) printf(",");
-		if (i%15 == 0) printf("\n");
-		code = 0;
-		for (j=0 ; j<4 ; j++) {
-			k = find_or_add_in_table(i,ret_vals[i],type_table[j],num_type+j,0);
-			if (k>=0) {
-				code += k;
-				break;
-			}
-			code += num_type[j];
-		}
-		printf(" %3d", code);
-	}
-	printf("\n};\n\n");
-
-	for (j=0 ; j < 4 ; j++) {
-		if (num_type[j]) {
-			printf("static const %s %s_vals[%d] = {",
-				   type_str[j], type_str[j], num_type[j]);
-			for (i = 0 ; i<num_type[j] ; i++) {
-				if (i) printf(",");
-				if (i%13 == 0) printf("\n");
-				if (ret_vals[type_table[j][i]] == INT_MIN) {
-					printf("%12s","INT_MIN");
-				} else {
-					printf(type_fmt[j], ret_vals[type_table[j][i]]);
-				}
-
-			}
-			printf("\n};\n\n");
-		}
-	}
-
-	printf("long int sysconf(int name)\n{\n\tint i;\n\n"
-		   "\tif ((name < 0) || (name >= %d)) {\n"
-		   "\t\terrno=EINVAL;\n"
-		   "\t\treturn -1;\n"
-		   "\t}\n\n", _UCLIBC_SYSCONF_NUM_VALID_ARGS);
-
-	printf("\ti = index[name];\n\n");
-	k = 0;
-	for (i=0 ; i<4 ; i++) {
-		if (num_type[i]) {
-			if (k>0) {
-				printf("\ti -= %d;\n", k);
-			}
-			printf("\tif (i < %d) {\n"
-				   "\t\treturn %s_vals[i];\n"
-				   "\t}\n\n",
-				   num_type[i], type_str[i]);
-			k = num_type[i];
-		}
-	}
-
-	if (num_type[4]) {
-		if (k>0) {
-			printf("\ti -= %d;\n", k);
-		}
-		printf("\tswitch(i) {\n");
-		for (i = 0 ; i<num_type[4] ; i++) {
-			printf("\t\tcase %d:\n"
-				   "\t\t\treturn %s;\n",
-				   i, (const char *)ret_vals[type_table[4][i]]);
-		}
-		printf("\t}\n\n");
-	}
-
-	printf("\treturn -1;\n"
-		   "}\n");
-
-
-	return EXIT_SUCCESS;
-}
-/***********************************************************************/
-#endif
-- 
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