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-rw-r--r--Alc/alcConfig.c219
1 files changed, 174 insertions, 45 deletions
diff --git a/Alc/alcConfig.c b/Alc/alcConfig.c
index 98c0df32..2c9aef41 100644
--- a/Alc/alcConfig.c
+++ b/Alc/alcConfig.c
@@ -32,13 +32,14 @@
#include <stdio.h>
#include <ctype.h>
#include <string.h>
-
-#include "alMain.h"
-
#ifdef _WIN32_IE
#include <shlobj.h>
#endif
+#include "alMain.h"
+#include "compat.h"
+
+
typedef struct ConfigEntry {
char *key;
char *value;
@@ -48,10 +49,8 @@ typedef struct ConfigBlock {
ConfigEntry *entries;
unsigned int entryCount;
} ConfigBlock;
-
static ConfigBlock cfgBlock;
-static char buffer[1024];
static char *lstrip(char *line)
{
@@ -69,23 +68,132 @@ static char *rstrip(char *line)
return line;
}
+static int readline(FILE *f, char **output, size_t *maxlen)
+{
+ size_t len = 0;
+ int c;
+
+ while((c=fgetc(f)) != EOF && (c == '\r' || c == '\n'))
+ ;
+ if(c == EOF)
+ return 0;
+
+ do {
+ if(len+1 >= *maxlen)
+ {
+ void *temp = NULL;
+ size_t newmax;
+
+ newmax = (*maxlen ? (*maxlen)<<1 : 32);
+ if(newmax > *maxlen)
+ temp = realloc(*output, newmax);
+ if(!temp)
+ {
+ ERR("Failed to realloc "SZFMT" bytes from "SZFMT"!\n", newmax, *maxlen);
+ return 0;
+ }
+
+ *output = temp;
+ *maxlen = newmax;
+ }
+ (*output)[len++] = c;
+ (*output)[len] = '\0';
+ } while((c=fgetc(f)) != EOF && c != '\r' && c != '\n');
+
+ return 1;
+}
+
+
+static char *expdup(const char *str)
+{
+ char *output = NULL;
+ size_t maxlen = 0;
+ size_t len = 0;
+
+ while(*str != '\0')
+ {
+ const char *addstr;
+ size_t addstrlen;
+ size_t i;
+
+ if(str[0] != '$')
+ {
+ const char *next = strchr(str, '$');
+ addstr = str;
+ addstrlen = next ? (size_t)(next-str) : strlen(str);
+
+ str += addstrlen;
+ }
+ else
+ {
+ str++;
+ if(*str == '$')
+ {
+ const char *next = strchr(str+1, '$');
+ addstr = str;
+ addstrlen = next ? (size_t)(next-str) : strlen(str);
+
+ str += addstrlen;
+ }
+ else
+ {
+ char envname[1024];
+ size_t k = 0;
+
+ while((isalnum(*str) || *str == '_') && k < sizeof(envname)-1)
+ envname[k++] = *(str++);
+ envname[k++] = '\0';
+
+ if((addstr=getenv(envname)) == NULL)
+ continue;
+ addstrlen = strlen(addstr);
+ }
+ }
+ if(addstrlen == 0)
+ continue;
+
+ if(addstrlen >= maxlen-len)
+ {
+ void *temp = NULL;
+ size_t newmax;
+
+ newmax = len+addstrlen+1;
+ if(newmax > maxlen)
+ temp = realloc(output, newmax);
+ if(!temp)
+ {
+ ERR("Failed to realloc "SZFMT" bytes from "SZFMT"!\n", newmax, maxlen);
+ return output;
+ }
+
+ output = temp;
+ maxlen = newmax;
+ }
+
+ for(i = 0;i < addstrlen;i++)
+ output[len++] = addstr[i];
+ output[len] = '\0';
+ }
+
+ return output ? output : calloc(1, 1);
+}
+
+
static void LoadConfigFromFile(FILE *f)
{
char curSection[128] = "";
+ char *buffer = NULL;
+ size_t maxlen = 0;
ConfigEntry *ent;
- while(fgets(buffer, sizeof(buffer), f))
+ while(readline(f, &buffer, &maxlen))
{
char *line, *comment;
char key[256] = "";
char value[256] = "";
comment = strchr(buffer, '#');
- if(comment)
- {
- *(comment++) = 0;
- comment = rstrip(lstrip(comment));
- }
+ if(comment) *(comment++) = 0;
line = rstrip(lstrip(buffer));
if(!line[0])
@@ -123,26 +231,26 @@ static void LoadConfigFromFile(FILE *f)
* manually. */
if(strcmp(value, "\"\"") == 0 || strcmp(value, "''") == 0)
value[0] = 0;
- }
- else if(sscanf(line, "%255[^=] %255[=]", key, value) == 2)
- {
- /* Special case for 'key =' */
- value[0] = 0;
- }
- else
- {
- ERR("config parse error: malformed option line: \"%s\"\n\n", line);
- continue;
- }
- rstrip(key);
-
- if(curSection[0] != 0)
- {
- size_t len = strlen(curSection);
- memmove(&key[len+1], key, sizeof(key)-1-len);
- key[len] = '/';
- memcpy(key, curSection, len);
- }
+ }
+ else if(sscanf(line, "%255[^=] %255[=]", key, value) == 2)
+ {
+ /* Special case for 'key =' */
+ value[0] = 0;
+ }
+ else
+ {
+ ERR("config parse error: malformed option line: \"%s\"\n\n", line);
+ continue;
+ }
+ rstrip(key);
+
+ if(curSection[0] != 0)
+ {
+ size_t len = strlen(curSection);
+ memmove(&key[len+1], key, sizeof(key)-1-len);
+ key[len] = '/';
+ memcpy(key, curSection, len);
+ }
/* Check if we already have this option set */
ent = cfgBlock.entries;
@@ -171,36 +279,57 @@ static void LoadConfigFromFile(FILE *f)
}
free(ent->value);
- ent->value = strdup(value);
+ ent->value = expdup(value);
TRACE("found '%s' = '%s'\n", ent->key, ent->value);
}
+
+ free(buffer);
}
+#ifdef _WIN32
void ReadALConfig(void)
{
- const char *str;
+ WCHAR buffer[PATH_MAX];
+ const WCHAR *str;
FILE *f;
-#ifdef _WIN32
- if(SHGetSpecialFolderPathA(NULL, buffer, CSIDL_APPDATA, FALSE) != FALSE)
+ if(SHGetSpecialFolderPathW(NULL, buffer, CSIDL_APPDATA, FALSE) != FALSE)
{
- size_t p = strlen(buffer);
- snprintf(buffer+p, sizeof(buffer)-p, "\\alsoft.ini");
+ size_t p = lstrlenW(buffer);
+ _snwprintf(buffer+p, PATH_MAX-p, L"\\alsoft.ini");
- TRACE("Loading config %s...\n", buffer);
- f = fopen(buffer, "rt");
+ TRACE("Loading config %ls...\n", buffer);
+ f = _wfopen(buffer, L"rt");
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
}
+
+ if((str=_wgetenv(L"ALSOFT_CONF")) != NULL && *str)
+ {
+ TRACE("Loading config %ls...\n", str);
+ f = _wfopen(str, L"rt");
+ if(f)
+ {
+ LoadConfigFromFile(f);
+ fclose(f);
+ }
+ }
+}
#else
+void ReadALConfig(void)
+{
+ char buffer[PATH_MAX];
+ const char *str;
+ FILE *f;
+
str = "/etc/openal/alsoft.conf";
TRACE("Loading config %s...\n", str);
- f = fopen(str, "r");
+ f = al_fopen(str, "r");
if(f)
{
LoadConfigFromFile(f);
@@ -231,7 +360,7 @@ void ReadALConfig(void)
buffer[sizeof(buffer)-1] = 0;
TRACE("Loading config %s...\n", next);
- f = fopen(next, "r");
+ f = al_fopen(next, "r");
if(f)
{
LoadConfigFromFile(f);
@@ -247,7 +376,7 @@ void ReadALConfig(void)
snprintf(buffer, sizeof(buffer), "%s/.alsoftrc", str);
TRACE("Loading config %s...\n", buffer);
- f = fopen(buffer, "r");
+ f = al_fopen(buffer, "r");
if(f)
{
LoadConfigFromFile(f);
@@ -266,19 +395,18 @@ void ReadALConfig(void)
if(buffer[0] != 0)
{
TRACE("Loading config %s...\n", buffer);
- f = fopen(buffer, "r");
+ f = al_fopen(buffer, "r");
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
}
-#endif
if((str=getenv("ALSOFT_CONF")) != NULL && *str)
{
TRACE("Loading config %s...\n", str);
- f = fopen(str, "r");
+ f = al_fopen(str, "r");
if(f)
{
LoadConfigFromFile(f);
@@ -286,6 +414,7 @@ void ReadALConfig(void)
}
}
}
+#endif
void FreeALConfig(void)
{
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-01 09:11:23 +0000