From 906e93d480d8b77aac8ce4b3837ab55b3b496d2d Mon Sep 17 00:00:00 2001 From: Olivier Blin Date: Thu, 5 Jul 2007 14:20:04 +0000 Subject: - move parameters functions in params.c - move string/system utility functions in utils.c --- mdk-stage1/utils.c | 157 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 mdk-stage1/utils.c (limited to 'mdk-stage1/utils.c') diff --git a/mdk-stage1/utils.c b/mdk-stage1/utils.c new file mode 100644 index 000000000..5e25c41ff --- /dev/null +++ b/mdk-stage1/utils.c @@ -0,0 +1,157 @@ +/* + * Guillaume Cottenceau (gc@mandrakesoft.com) + * + * Copyright 2000 Mandrakesoft + * + * This software may be freely redistributed under the terms of the GNU + * public license. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "utils.h" +#include "log.h" + +// warning, many things rely on the fact that: +// - when failing it returns 0 +// - it stops on first non-digit char +int charstar_to_int(const char * s) +{ + int number = 0; + while (*s && isdigit(*s)) { + number = (number * 10) + (*s - '0'); + s++; + } + return number; +} + +off_t file_size(const char * path) +{ + struct stat statr; + if (stat(path, &statr)) + return -1; + else + return statr.st_size; +} + +int total_memory(void) +{ + int value; + + /* drakx powered: use /proc/kcore and rounds every 4 Mbytes */ + value = 4 * ((int)((float)file_size("/proc/kcore") / 1024 / 1024 / 4 + 0.5)); + log_message("Total Memory: %d Mbytes", value); + + return value; +} + +/* pixel's */ +void * memdup(void *src, size_t size) +{ + void * r; + r = malloc(size); + memcpy(r, src, size); + return r; +} + + +void add_to_env(char * name, char * value) +{ + FILE* fakeenv = fopen("/tmp/env", "a"); + if (fakeenv) { + char* e = asprintf_("%s=%s\n", name, value); + fwrite(e, 1, strlen(e), fakeenv); + free(e); + fclose(fakeenv); + } else + log_message("couldn't fopen to fake env"); +} + +char ** list_directory(char * direct) +{ + char * tmp[50000]; /* in /dev there can be many many files.. */ + int i = 0; + struct dirent *ep; + DIR *dp = opendir(direct); + while (dp && (ep = readdir(dp))) { + if (strcmp(ep->d_name, ".") && strcmp(ep->d_name, "..")) { + tmp[i] = strdup(ep->d_name); + i++; + } + } + if (dp) + closedir(dp); + tmp[i] = NULL; + return memdup(tmp, sizeof(char*) * (i+1)); +} + + +int string_array_length(char ** a) +{ + int i = 0; + if (!a) + return -1; + while (a && *a) { + a++; + i++; + } + return i; +} + +int kernel_version(void) +{ + struct utsname val; + if (uname(&val)) { + log_perror("uname failed"); + return -1; + } + return charstar_to_int(val.release + 2); +} + +char * asprintf_(const char *msg, ...) +{ + int n; + char * s; + char dummy; + va_list arg_ptr; + va_start(arg_ptr, msg); + n = vsnprintf(&dummy, sizeof(dummy), msg, arg_ptr); + va_start(arg_ptr, msg); + if ((s = malloc(n + 1))) { + vsnprintf(s, n + 1, msg, arg_ptr); + va_end(arg_ptr); + return s; + } + va_end(arg_ptr); + return strdup(""); +} + +int scall_(int retval, char * msg, char * file, int line) +{ + char tmp[5000]; + sprintf(tmp, "%s(%s:%d) failed", msg, file, line); + if (retval) + log_perror(tmp); + return retval; +} + +void lowercase(char *s) +{ + int i = 0; + while (s[i]) { + s[i] = tolower(s[i]); + i++; + } +} -- cgit v1.2.1