diff options
Diffstat (limited to 'libfonts_get_default_font.c')
| -rw-r--r-- | libfonts_get_default_font.c | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/libfonts_get_default_font.c b/libfonts_get_default_font.c index 5661e5c..98e60d7 100644 --- a/libfonts_get_default_font.c +++ b/libfonts_get_default_font.c @@ -3,14 +3,15 @@ #ifndef TEST -static char * -find(const char *dir_part1, const char *dir_part2, const char *dir_part3, struct libfonts_context *ctx) +static int +find(char **outp, const char *dir_part1, const char *dir_part2, const char *dir_part3, struct libfonts_context *ctx) { - return NULL; /* TODO */ + return 0; /* TODO */ } -static char * -getn(const char *file_part1, size_t file_part1_len, const char *file_part2, const char *name, struct libfonts_context *ctx) +static int +getn(char **outp, const char *file_part1, size_t file_part1_len, const char *file_part2, + const char *name, struct libfonts_context *ctx) { size_t file_part2_len = strlen(file_part2); char *path; @@ -22,7 +23,7 @@ getn(const char *file_part1, size_t file_part1_len, const char *file_part2, cons if (!path) { enomem: errno = ENOMEM; - return NULL; /* TODO abort function */ + return -1; } memcpy(path, file_part1, file_part1_len); @@ -35,13 +36,13 @@ getn(const char *file_part1, size_t file_part1_len, const char *file_part2, cons */ free(path); - return NULL; + return 0; } -static char * -get(const char *file_part1, const char *file_part2, const char *name, struct libfonts_context *ctx) +static int +get(char **outp, const char *file_part1, const char *file_part2, const char *name, struct libfonts_context *ctx) { - return getn(file_part1, strlen(file_part1), file_part2, name, ctx); + return getn(outp, file_part1, strlen(file_part1), file_part2, name, ctx); } char * @@ -49,7 +50,7 @@ libfonts_get_default_font(enum libfonts_default_font font, struct libfonts_conte { const char *env, *var, *next, *confenv, *homeenv; char *ret, *home = NULL; - int saved_errno = errno; + int r, saved_errno = errno; size_t len; if (font == LIBFONTS_DEFAULT_SANS_SERIF) { @@ -72,52 +73,52 @@ libfonts_get_default_font(enum libfonts_default_font font, struct libfonts_conte confenv = libfonts_getenv__("XDG_CONFIG_HOME", ctx); if (confenv && *confenv) { - ret = get(confenv, "/libfonts/default-fonts.conf", var, ctx); - if (ret) + r = get(&ret, confenv, "/libfonts/default-fonts.conf", var, ctx); + if (r) goto out; } homeenv = libfonts_getenv__("HOME", ctx); if (homeenv && *homeenv) { - ret = get(homeenv, "/.config/libfonts/default-fonts.conf", var, ctx); - if (ret) + r = get(&ret, homeenv, "/.config/libfonts/default-fonts.conf", var, ctx); + if (r) goto out; - ret = get(homeenv, "/.libfonts/default-fonts.conf", var, ctx); - if (ret) + r = get(&ret, homeenv, "/.libfonts/default-fonts.conf", var, ctx); + if (r) goto out; } home = libfonts_gethome__(ctx); if (home && *home) { - ret = get(home, "/.config/libfonts/default-fonts.conf", var, ctx); - if (ret) + r = get(&ret, home, "/.config/libfonts/default-fonts.conf", var, ctx); + if (r) goto out; - ret = get(home, "/.libfonts/default-fonts.conf", var, ctx); - if (ret) + r = get(&ret, home, "/.libfonts/default-fonts.conf", var, ctx); + if (r) goto out; } if (confenv && *confenv) { - ret = find(env, "/libfonts/", var, ctx); - if (ret) + r = find(&ret, env, "/libfonts/", var, ctx); + if (r) goto out; } if (homeenv && *homeenv) { - ret = find(homeenv, "/.config/libfonts/", var, ctx); - if (ret) + r = find(&ret, homeenv, "/.config/libfonts/", var, ctx); + if (r) goto out; - ret = find(homeenv, "/.libfonts/", var, ctx); - if (ret) + r = find(&ret, homeenv, "/.libfonts/", var, ctx); + if (r) goto out; } if (home && *home) { - ret = find(home, "/.config/libfonts/", var, ctx); - if (ret) + r = find(&ret, home, "/.config/libfonts/", var, ctx); + if (r) goto out; - ret = find(home, "/.libfonts/", var, ctx); - if (ret) + r = find(&ret, home, "/.libfonts/", var, ctx); + if (r) goto out; } @@ -127,20 +128,20 @@ libfonts_get_default_font(enum libfonts_default_font font, struct libfonts_conte next = strchr(&env[1], ':'); len = next ? (size_t)(next - env) : strlen(env); if (len) { - ret = getn(env, len, "/libfonts/default-fonts.conf", var, ctx); - if (ret) + r = getn(&ret, env, len, "/libfonts/default-fonts.conf", var, ctx); + if (r) goto out; } env += len + 1; } while (next); } - ret = get("/etc", "/libfonts/default-fonts.conf", var, ctx); - if (ret) + r = get(&ret, "/etc", "/libfonts/default-fonts.conf", var, ctx); + if (r) goto out; - ret = find("/etc", "/libfonts/", var, ctx); - if (ret) + r = find(&ret, "/etc", "/libfonts/", var, ctx); + if (r) goto out; /* TODO @@ -150,9 +151,12 @@ libfonts_get_default_font(enum libfonts_default_font font, struct libfonts_conte */ ret = NULL; + r = 0; out: free(home); + if (r < 0) + return NULL; errno = saved_errno; return ret; } |