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1 nishi 1 
/* $Id: sanity.c 1 2024-08-20 19:18:25Z nishi $ */
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#include "rv_sanity.h"
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#include "rv_version.h"
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#include "rv_util.h"
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#include "../config.h"
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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bool rv_find_executable(const char* name){
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#ifdef USE_PATH
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	char* path = rv_strcat(USE_PATH, "");
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#else
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	char* path = rv_strcat(getenv("PATH"), "");
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#endif
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	int i;
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	int incr = 0;
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	for(i = 0;; i++){
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		if(path[i] == 0 || path[i] == PATH_DELIM){
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			char oldc = path[i];
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			path[i] = 0;
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			char* exec = rv_strcat3(path + incr, "/", name);
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#ifdef __MINGW32__
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			char* tmp = exec;
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			exec = rv_strcat(exec, ".exe");
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			free(tmp);
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#endif
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			if(access(exec, F_OK) == 0){
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				free(exec);
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				free(path);
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				return true;
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			}
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			free(exec);
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			incr = i + 1;
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			if(oldc == 0) break;
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		}
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	}
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	free(path);
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	return false;
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}
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void rv_check_sanity(void){
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	bool sane = true;
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	bool svnlook = rv_find_executable("svnlook");
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	bool svnadmin = rv_find_executable("svnadmin");
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	bool htpasswd = rv_find_executable("htpasswd");
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	if(!svnlook) sane = false;
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	if(!svnadmin) sane = false;
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	if(!htpasswd) sane = false;
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	if(!sane){
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		rv_error_http();
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		if(!svnlook) printf("svnlook not found\n");
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		if(!svnadmin) printf("svnadmin not found\n");
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		if(!htpasswd) printf("htpasswd not found\n");
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		exit(1);
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	}
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}