diff options
Diffstat (limited to 'core/linux.c')
| -rw-r--r-- | core/linux.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/core/linux.c b/core/linux.c new file mode 100644 index 000000000..b81f6bf53 --- /dev/null +++ b/core/linux.c @@ -0,0 +1,232 @@ +/* linux.c */ +/* implements Linux specific functions */ +#include "dive.h" +#include "display.h" +#include "membuffer.h" +#include <string.h> +#include <sys/types.h> +#include <dirent.h> +#include <fnmatch.h> +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <pwd.h> + +// the DE should provide us with a default font and font size... +const char linux_system_divelist_default_font[] = "Sans"; +const char *system_divelist_default_font = linux_system_divelist_default_font; +double system_divelist_default_font_size = -1.0; + +void subsurface_OS_pref_setup(void) +{ + // nothing +} + +bool subsurface_ignore_font(const char *font) +{ + // there are no old default fonts to ignore + (void)font; + return false; +} + +void subsurface_user_info(struct user_info *user) +{ + struct passwd *pwd = getpwuid(getuid()); + const char *username = getenv("USER"); + + if (pwd) { + if (pwd->pw_gecos && *pwd->pw_gecos) + user->name = pwd->pw_gecos; + if (!username) + username = pwd->pw_name; + } + if (username && *username) { + char hostname[64]; + struct membuffer mb = {}; + gethostname(hostname, sizeof(hostname)); + put_format(&mb, "%s@%s", username, hostname); + user->email = mb_cstring(&mb); + } +} + +static const char *system_default_path_append(const char *append) +{ + const char *home = getenv("HOME"); + if (!home) + home = "~"; + const char *path = "/.subsurface"; + + int len = strlen(home) + strlen(path) + 1; + if (append) + len += strlen(append) + 1; + + char *buffer = (char *)malloc(len); + memset(buffer, 0, len); + strcat(buffer, home); + strcat(buffer, path); + if (append) { + strcat(buffer, "/"); + strcat(buffer, append); + } + + return buffer; +} + +const char *system_default_directory(void) +{ + static const char *path = NULL; + if (!path) + path = system_default_path_append(NULL); + return path; +} + +const char *system_default_filename(void) +{ + static char *filename = NULL; + if (!filename) { + const char *user = getenv("LOGNAME"); + if (same_string(user, "")) + user = "username"; + filename = calloc(strlen(user) + 5, 1); + strcat(filename, user); + strcat(filename, ".xml"); + } + static const char *path = NULL; + if (!path) + path = system_default_path_append(filename); + return path; +} + +int enumerate_devices(device_callback_t callback, void *userdata, int dc_type) +{ + int index = -1, entries = 0; + DIR *dp = NULL; + struct dirent *ep = NULL; + size_t i; + FILE *file; + char *line = NULL; + char *fname; + size_t len; + if (dc_type != DC_TYPE_UEMIS) { + const char *dirname = "/dev"; + const char *patterns[] = { + "ttyUSB*", + "ttyS*", + "ttyACM*", + "rfcomm*", + NULL + }; + + dp = opendir(dirname); + if (dp == NULL) { + return -1; + } + + while ((ep = readdir(dp)) != NULL) { + for (i = 0; patterns[i] != NULL; ++i) { + if (fnmatch(patterns[i], ep->d_name, 0) == 0) { + char filename[1024]; + int n = snprintf(filename, sizeof(filename), "%s/%s", dirname, ep->d_name); + if (n >= (int)sizeof(filename)) { + closedir(dp); + return -1; + } + callback(filename, userdata); + if (is_default_dive_computer_device(filename)) + index = entries; + entries++; + break; + } + } + } + closedir(dp); + } + if (dc_type != DC_TYPE_SERIAL) { + int num_uemis = 0; + file = fopen("/proc/mounts", "r"); + if (file == NULL) + return index; + + while ((getline(&line, &len, file)) != -1) { + char *ptr = strstr(line, "UEMISSDA"); + if (ptr) { + char *end = ptr, *start = ptr; + while (start > line && *start != ' ') + start--; + if (*start == ' ') + start++; + while (*end != ' ' && *end != '\0') + end++; + + *end = '\0'; + fname = strdup(start); + + callback(fname, userdata); + + if (is_default_dive_computer_device(fname)) + index = entries; + entries++; + num_uemis++; + free((void *)fname); + } + } + free(line); + fclose(file); + if (num_uemis == 1 && entries == 1) /* if we found only one and it's a mounted Uemis, pick it */ + index = 0; + } + return index; +} + +/* NOP wrappers to comform with windows.c */ +int subsurface_rename(const char *path, const char *newpath) +{ + return rename(path, newpath); +} + +int subsurface_open(const char *path, int oflags, mode_t mode) +{ + return open(path, oflags, mode); +} + +FILE *subsurface_fopen(const char *path, const char *mode) +{ + return fopen(path, mode); +} + +void *subsurface_opendir(const char *path) +{ + return (void *)opendir(path); +} + +int subsurface_access(const char *path, int mode) +{ + return access(path, mode); +} + +struct zip *subsurface_zip_open_readonly(const char *path, int flags, int *errorp) +{ + return zip_open(path, flags, errorp); +} + +int subsurface_zip_close(struct zip *zip) +{ + return zip_close(zip); +} + +/* win32 console */ +void subsurface_console_init(bool dedicated) +{ + (void)dedicated; + /* NOP */ +} + +void subsurface_console_exit(void) +{ + /* NOP */ +} + +bool subsurface_user_is_root() +{ + return (geteuid() == 0); +} |