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Diffstat (limited to 'hw/xfree86/parser/scan.c')
-rw-r--r--hw/xfree86/parser/scan.c1541
1 files changed, 766 insertions, 775 deletions
diff --git a/hw/xfree86/parser/scan.c b/hw/xfree86/parser/scan.c
index 156bc299a..795da615f 100644
--- a/hw/xfree86/parser/scan.c
+++ b/hw/xfree86/parser/scan.c
@@ -51,7 +51,6 @@
* authorization from the copyright holder(s) and author(s).
*/
-
/* View/edit this file with tab stops set to 4 */
#ifdef HAVE_XORG_CONFIG_H
@@ -75,11 +74,11 @@
#define _POSIX_SOURCE
#include <limits.h>
#undef _POSIX_SOURCE
-#endif /* _POSIX_SOURCE */
+#endif /* _POSIX_SOURCE */
#if !defined(MAXHOSTNAMELEN)
#define MAXHOSTNAMELEN 32
-#endif /* !MAXHOSTNAMELEN */
+#endif /* !MAXHOSTNAMELEN */
/* For PATH_MAX */
#include "misc.h"
@@ -90,22 +89,22 @@
#define CONFIG_BUF_LEN 1024
#define CONFIG_MAX_FILES 64
-static int StringToToken (const char *, xf86ConfigSymTabRec *);
+static int StringToToken(const char *, xf86ConfigSymTabRec *);
static struct {
- FILE *file;
- char *path;
+ FILE *file;
+ char *path;
} configFiles[CONFIG_MAX_FILES];
static const char **builtinConfig = NULL;
static int builtinIndex = 0;
-static int configPos = 0; /* current readers position */
-static int configLineNo = 0; /* linenumber */
-static char *configBuf, *configRBuf; /* buffer for lines */
-static char *configSection = NULL; /* name of current section being parsed */
-static int numFiles = 0; /* number of config files */
-static int curFileIndex = 0; /* index of current config file */
+static int configPos = 0; /* current readers position */
+static int configLineNo = 0; /* linenumber */
+static char *configBuf, *configRBuf; /* buffer for lines */
+static char *configSection = NULL; /* name of current section being parsed */
+static int numFiles = 0; /* number of config files */
+static int curFileIndex = 0; /* index of current config file */
static int pushToken = LOCK_TOKEN;
-static int eol_seen = 0; /* private state to handle comments */
+static int eol_seen = 0; /* private state to handle comments */
LexRec val;
/*
@@ -119,123 +118,129 @@ LexRec val;
* support that.
*/
-static char*
+static char *
xf86getNextLine(void)
{
- static int configBufLen = CONFIG_BUF_LEN;
- char *tmpConfigBuf, *tmpConfigRBuf;
- int c, i, pos = 0, eolFound = 0;
- char *ret = NULL;
+ static int configBufLen = CONFIG_BUF_LEN;
+ char *tmpConfigBuf, *tmpConfigRBuf;
+ int c, i, pos = 0, eolFound = 0;
+ char *ret = NULL;
- /*
- * reallocate the string if it was grown last time (i.e., is no
- * longer CONFIG_BUF_LEN); we malloc the new strings first, so
- * that if either of the mallocs fail, we can fall back on the
- * existing buffer allocations
- */
+ /*
+ * reallocate the string if it was grown last time (i.e., is no
+ * longer CONFIG_BUF_LEN); we malloc the new strings first, so
+ * that if either of the mallocs fail, we can fall back on the
+ * existing buffer allocations
+ */
- if (configBufLen != CONFIG_BUF_LEN) {
+ if (configBufLen != CONFIG_BUF_LEN) {
- tmpConfigBuf = malloc(CONFIG_BUF_LEN);
- tmpConfigRBuf = malloc(CONFIG_BUF_LEN);
+ tmpConfigBuf = malloc(CONFIG_BUF_LEN);
+ tmpConfigRBuf = malloc(CONFIG_BUF_LEN);
- if (!tmpConfigBuf || !tmpConfigRBuf) {
+ if (!tmpConfigBuf || !tmpConfigRBuf) {
- /*
- * at least one of the mallocs failed; keep the old buffers
- * and free any partial allocations
- */
+ /*
+ * at least one of the mallocs failed; keep the old buffers
+ * and free any partial allocations
+ */
- free(tmpConfigBuf);
- free(tmpConfigRBuf);
+ free(tmpConfigBuf);
+ free(tmpConfigRBuf);
- } else {
+ }
+ else {
- /*
- * malloc succeeded; free the old buffers and use the new
- * buffers
- */
+ /*
+ * malloc succeeded; free the old buffers and use the new
+ * buffers
+ */
- configBufLen = CONFIG_BUF_LEN;
+ configBufLen = CONFIG_BUF_LEN;
- free(configBuf);
- free(configRBuf);
+ free(configBuf);
+ free(configRBuf);
- configBuf = tmpConfigBuf;
- configRBuf = tmpConfigRBuf;
- }
- }
+ configBuf = tmpConfigBuf;
+ configRBuf = tmpConfigRBuf;
+ }
+ }
- /* read in another block of chars */
+ /* read in another block of chars */
- do {
- ret = fgets(configBuf + pos, configBufLen - pos - 1,
- configFiles[curFileIndex].file);
+ do {
+ ret = fgets(configBuf + pos, configBufLen - pos - 1,
+ configFiles[curFileIndex].file);
- if (!ret) {
- /*
- * if the file doesn't end in a newline, add one
- * and trigger another read
- */
- if (pos != 0) {
- strcpy(&configBuf[pos], "\n");
- ret = configBuf;
- } else
- break;
- }
+ if (!ret) {
+ /*
+ * if the file doesn't end in a newline, add one
+ * and trigger another read
+ */
+ if (pos != 0) {
+ strcpy(&configBuf[pos], "\n");
+ ret = configBuf;
+ }
+ else
+ break;
+ }
- /* search for EOL in the new block of chars */
+ /* search for EOL in the new block of chars */
- for (i = pos; i < (configBufLen - 1); i++) {
- c = configBuf[i];
+ for (i = pos; i < (configBufLen - 1); i++) {
+ c = configBuf[i];
- if (c == '\0') break;
+ if (c == '\0')
+ break;
- if ((c == '\n') || (c == '\r')) {
- eolFound = 1;
- break;
- }
- }
+ if ((c == '\n') || (c == '\r')) {
+ eolFound = 1;
+ break;
+ }
+ }
- /*
- * if we didn't find EOL, then grow the string and
- * read in more
- */
+ /*
+ * if we didn't find EOL, then grow the string and
+ * read in more
+ */
- if (!eolFound) {
+ if (!eolFound) {
- tmpConfigBuf = realloc(configBuf, configBufLen + CONFIG_BUF_LEN);
- tmpConfigRBuf = realloc(configRBuf, configBufLen + CONFIG_BUF_LEN);
+ tmpConfigBuf = realloc(configBuf, configBufLen + CONFIG_BUF_LEN);
+ tmpConfigRBuf = realloc(configRBuf, configBufLen + CONFIG_BUF_LEN);
- if (!tmpConfigBuf || !tmpConfigRBuf) {
+ if (!tmpConfigBuf || !tmpConfigRBuf) {
- /*
- * at least one of the reallocations failed; use the
- * new allocation that succeeded, but we have to
- * fallback to the previous configBufLen size and use
- * the string we have, even though we don't have an
- * EOL
- */
+ /*
+ * at least one of the reallocations failed; use the
+ * new allocation that succeeded, but we have to
+ * fallback to the previous configBufLen size and use
+ * the string we have, even though we don't have an
+ * EOL
+ */
- if (tmpConfigBuf) configBuf = tmpConfigBuf;
- if (tmpConfigRBuf) configRBuf = tmpConfigRBuf;
+ if (tmpConfigBuf)
+ configBuf = tmpConfigBuf;
+ if (tmpConfigRBuf)
+ configRBuf = tmpConfigRBuf;
- break;
+ break;
- } else {
+ }
+ else {
- /* reallocation succeeded */
+ /* reallocation succeeded */
- configBuf = tmpConfigBuf;
- configRBuf = tmpConfigRBuf;
- pos = i;
- configBufLen += CONFIG_BUF_LEN;
- }
- }
+ configBuf = tmpConfigBuf;
+ configRBuf = tmpConfigRBuf;
+ pos = i;
+ configBufLen += CONFIG_BUF_LEN;
+ }
+ }
- } while (!eolFound);
+ } while (!eolFound);
- return ret;
+ return ret;
}
/*
@@ -244,295 +249,278 @@ xf86getNextLine(void)
* pushToken.
*/
int
-xf86getToken (xf86ConfigSymTabRec * tab)
+xf86getToken(xf86ConfigSymTabRec * tab)
{
- int c, i;
-
- /*
- * First check whether pushToken has a different value than LOCK_TOKEN.
- * In this case rBuf[] contains a valid STRING/TOKEN/NUMBER. But in the
- * oth * case the next token must be read from the input.
- */
- if (pushToken == EOF_TOKEN)
- return EOF_TOKEN;
- else if (pushToken == LOCK_TOKEN)
- {
- /*
- * eol_seen is only set for the first token after a newline.
- */
- eol_seen = 0;
-
- c = configBuf[configPos];
-
- /*
- * Get start of next Token. EOF is handled,
- * whitespaces are skipped.
- */
-
-again:
- if (!c)
- {
- char *ret;
- if (numFiles > 0)
- ret = xf86getNextLine();
- else {
- if (builtinConfig[builtinIndex] == NULL)
- ret = NULL;
- else {
- strlcpy(configBuf,
- builtinConfig[builtinIndex],
- CONFIG_BUF_LEN);
- ret = configBuf;
- builtinIndex++;
- }
- }
- if (ret == NULL)
- {
- /*
- * if necessary, move to the next file and
- * read the first line
- */
- if (curFileIndex + 1 < numFiles) {
- curFileIndex++;
- configLineNo = 0;
- goto again;
- }
- else
- return pushToken = EOF_TOKEN;
- }
- configLineNo++;
- configPos = 0;
- eol_seen = 1;
- }
-
- i = 0;
- for (;;) {
- c = configBuf[configPos++];
- configRBuf[i++] = c;
- switch (c) {
- case ' ':
- case '\t':
- case '\r':
- continue;
- case '\n':
- i = 0;
- continue;
- }
- break;
- }
- if (c == '\0')
- goto again;
-
- if (c == '#')
- {
- do
- {
- configRBuf[i++] = (c = configBuf[configPos++]);
- }
- while ((c != '\n') && (c != '\r') && (c != '\0'));
- configRBuf[i] = '\0';
- /* XXX no private copy.
- * Use xf86addComment when setting a comment.
- */
- val.str = configRBuf;
- return COMMENT;
- }
-
- /* GJA -- handle '-' and ',' * Be careful: "-hsync" is a keyword. */
- else if ((c == ',') && !isalpha (configBuf[configPos]))
- {
- return COMMA;
- }
- else if ((c == '-') && !isalpha (configBuf[configPos]))
- {
- return DASH;
- }
-
- /*
- * Numbers are returned immediately ...
- */
- if (isdigit (c))
- {
- int base;
-
- if (c == '0')
- if ((configBuf[configPos] == 'x') ||
- (configBuf[configPos] == 'X'))
- {
- base = 16;
- val.numType = PARSE_HEX;
- }
- else
- {
- base = 8;
- val.numType = PARSE_OCTAL;
- }
- else
- {
- base = 10;
- val.numType = PARSE_DECIMAL;
- }
-
- configRBuf[0] = c;
- i = 1;
- while (isdigit (c = configBuf[configPos++]) ||
- (c == '.') || (c == 'x') || (c == 'X') ||
- ((base == 16) && (((c >= 'a') && (c <= 'f')) ||
- ((c >= 'A') && (c <= 'F')))))
- configRBuf[i++] = c;
- configPos--; /* GJA -- one too far */
- configRBuf[i] = '\0';
- val.num = strtoul (configRBuf, NULL, 0);
- val.realnum = atof (configRBuf);
- return NUMBER;
- }
-
- /*
- * All Strings START with a \" ...
- */
- else if (c == '\"')
- {
- i = -1;
- do
- {
- configRBuf[++i] = (c = configBuf[configPos++]);
- }
- while ((c != '\"') && (c != '\n') && (c != '\r') && (c != '\0'));
- configRBuf[i] = '\0';
- val.str = malloc (strlen (configRBuf) + 1);
- strcpy (val.str, configRBuf); /* private copy ! */
- return STRING;
- }
-
- /*
- * ... and now we MUST have a valid token. The search is
- * handled later along with the pushed tokens.
- */
- else
- {
- configRBuf[0] = c;
- i = 0;
- do
- {
- configRBuf[++i] = (c = configBuf[configPos++]);
- }
- while ((c != ' ') && (c != '\t') && (c != '\n') && (c != '\r') && (c != '\0') && (c != '#'));
- --configPos;
- configRBuf[i] = '\0';
- i = 0;
- }
-
- }
- else
- {
-
- /*
- * Here we deal with pushed tokens. Reinitialize pushToken again. If
- * the pushed token was NUMBER || STRING return them again ...
- */
- int temp = pushToken;
- pushToken = LOCK_TOKEN;
-
- if (temp == COMMA || temp == DASH)
- return temp;
- if (temp == NUMBER || temp == STRING)
- return temp;
- }
-
- /*
- * Joop, at last we have to lookup the token ...
- */
- if (tab)
- {
- i = 0;
- while (tab[i].token != -1)
- if (xf86nameCompare (configRBuf, tab[i].name) == 0)
- return tab[i].token;
- else
- i++;
- }
-
- return ERROR_TOKEN; /* Error catcher */
+ int c, i;
+
+ /*
+ * First check whether pushToken has a different value than LOCK_TOKEN.
+ * In this case rBuf[] contains a valid STRING/TOKEN/NUMBER. But in the
+ * oth * case the next token must be read from the input.
+ */
+ if (pushToken == EOF_TOKEN)
+ return EOF_TOKEN;
+ else if (pushToken == LOCK_TOKEN) {
+ /*
+ * eol_seen is only set for the first token after a newline.
+ */
+ eol_seen = 0;
+
+ c = configBuf[configPos];
+
+ /*
+ * Get start of next Token. EOF is handled,
+ * whitespaces are skipped.
+ */
+
+ again:
+ if (!c) {
+ char *ret;
+
+ if (numFiles > 0)
+ ret = xf86getNextLine();
+ else {
+ if (builtinConfig[builtinIndex] == NULL)
+ ret = NULL;
+ else {
+ strlcpy(configBuf,
+ builtinConfig[builtinIndex], CONFIG_BUF_LEN);
+ ret = configBuf;
+ builtinIndex++;
+ }
+ }
+ if (ret == NULL) {
+ /*
+ * if necessary, move to the next file and
+ * read the first line
+ */
+ if (curFileIndex + 1 < numFiles) {
+ curFileIndex++;
+ configLineNo = 0;
+ goto again;
+ }
+ else
+ return pushToken = EOF_TOKEN;
+ }
+ configLineNo++;
+ configPos = 0;
+ eol_seen = 1;
+ }
+
+ i = 0;
+ for (;;) {
+ c = configBuf[configPos++];
+ configRBuf[i++] = c;
+ switch (c) {
+ case ' ':
+ case '\t':
+ case '\r':
+ continue;
+ case '\n':
+ i = 0;
+ continue;
+ }
+ break;
+ }
+ if (c == '\0')
+ goto again;
+
+ if (c == '#') {
+ do {
+ configRBuf[i++] = (c = configBuf[configPos++]);
+ }
+ while ((c != '\n') && (c != '\r') && (c != '\0'));
+ configRBuf[i] = '\0';
+ /* XXX no private copy.
+ * Use xf86addComment when setting a comment.
+ */
+ val.str = configRBuf;
+ return COMMENT;
+ }
+
+ /* GJA -- handle '-' and ',' * Be careful: "-hsync" is a keyword. */
+ else if ((c == ',') && !isalpha(configBuf[configPos])) {
+ return COMMA;
+ }
+ else if ((c == '-') && !isalpha(configBuf[configPos])) {
+ return DASH;
+ }
+
+ /*
+ * Numbers are returned immediately ...
+ */
+ if (isdigit(c)) {
+ int base;
+
+ if (c == '0')
+ if ((configBuf[configPos] == 'x') ||
+ (configBuf[configPos] == 'X')) {
+ base = 16;
+ val.numType = PARSE_HEX;
+ }
+ else {
+ base = 8;
+ val.numType = PARSE_OCTAL;
+ }
+ else {
+ base = 10;
+ val.numType = PARSE_DECIMAL;
+ }
+
+ configRBuf[0] = c;
+ i = 1;
+ while (isdigit(c = configBuf[configPos++]) ||
+ (c == '.') || (c == 'x') || (c == 'X') ||
+ ((base == 16) && (((c >= 'a') && (c <= 'f')) ||
+ ((c >= 'A') && (c <= 'F')))))
+ configRBuf[i++] = c;
+ configPos--; /* GJA -- one too far */
+ configRBuf[i] = '\0';
+ val.num = strtoul(configRBuf, NULL, 0);
+ val.realnum = atof(configRBuf);
+ return NUMBER;
+ }
+
+ /*
+ * All Strings START with a \" ...
+ */
+ else if (c == '\"') {
+ i = -1;
+ do {
+ configRBuf[++i] = (c = configBuf[configPos++]);
+ }
+ while ((c != '\"') && (c != '\n') && (c != '\r') && (c != '\0'));
+ configRBuf[i] = '\0';
+ val.str = malloc(strlen(configRBuf) + 1);
+ strcpy(val.str, configRBuf); /* private copy ! */
+ return STRING;
+ }
+
+ /*
+ * ... and now we MUST have a valid token. The search is
+ * handled later along with the pushed tokens.
+ */
+ else {
+ configRBuf[0] = c;
+ i = 0;
+ do {
+ configRBuf[++i] = (c = configBuf[configPos++]);
+ }
+ while ((c != ' ') && (c != '\t') && (c != '\n') && (c != '\r') &&
+ (c != '\0') && (c != '#'));
+ --configPos;
+ configRBuf[i] = '\0';
+ i = 0;
+ }
+
+ }
+ else {
+
+ /*
+ * Here we deal with pushed tokens. Reinitialize pushToken again. If
+ * the pushed token was NUMBER || STRING return them again ...
+ */
+ int temp = pushToken;
+
+ pushToken = LOCK_TOKEN;
+
+ if (temp == COMMA || temp == DASH)
+ return temp;
+ if (temp == NUMBER || temp == STRING)
+ return temp;
+ }
+
+ /*
+ * Joop, at last we have to lookup the token ...
+ */
+ if (tab) {
+ i = 0;
+ while (tab[i].token != -1)
+ if (xf86nameCompare(configRBuf, tab[i].name) == 0)
+ return tab[i].token;
+ else
+ i++;
+ }
+
+ return ERROR_TOKEN; /* Error catcher */
}
int
-xf86getSubToken (char **comment)
+xf86getSubToken(char **comment)
{
- int token;
-
- for (;;) {
- token = xf86getToken(NULL);
- if (token == COMMENT) {
- if (comment)
- *comment = xf86addComment(*comment, val.str);
- }
- else
- return token;
- }
- /*NOTREACHED*/
-}
+ int token;
+
+ for (;;) {
+ token = xf86getToken(NULL);
+ if (token == COMMENT) {
+ if (comment)
+ *comment = xf86addComment(*comment, val.str);
+ }
+ else
+ return token;
+ }
+ /*NOTREACHED*/}
int
-xf86getSubTokenWithTab (char **comment, xf86ConfigSymTabRec *tab)
+xf86getSubTokenWithTab(char **comment, xf86ConfigSymTabRec * tab)
{
- int token;
-
- for (;;) {
- token = xf86getToken(tab);
- if (token == COMMENT) {
- if (comment)
- *comment = xf86addComment(*comment, val.str);
- }
- else
- return token;
- }
- /*NOTREACHED*/
-}
+ int token;
+
+ for (;;) {
+ token = xf86getToken(tab);
+ if (token == COMMENT) {
+ if (comment)
+ *comment = xf86addComment(*comment, val.str);
+ }
+ else
+ return token;
+ }
+ /*NOTREACHED*/}
void
-xf86unGetToken (int token)
+xf86unGetToken(int token)
{
- pushToken = token;
+ pushToken = token;
}
char *
-xf86tokenString (void)
+xf86tokenString(void)
{
- return configRBuf;
+ return configRBuf;
}
int
xf86pathIsAbsolute(const char *path)
{
- if (path && path[0] == '/')
- return 1;
- return 0;
+ if (path && path[0] == '/')
+ return 1;
+ return 0;
}
/* A path is "safe" if it is relative and if it contains no ".." elements. */
int
xf86pathIsSafe(const char *path)
{
- if (xf86pathIsAbsolute(path))
- return 0;
+ if (xf86pathIsAbsolute(path))
+ return 0;
- /* Compare with ".." */
- if (!strcmp(path, ".."))
- return 0;
+ /* Compare with ".." */
+ if (!strcmp(path, ".."))
+ return 0;
- /* Look for leading "../" */
- if (!strncmp(path, "../", 3))
- return 0;
+ /* Look for leading "../" */
+ if (!strncmp(path, "../", 3))
+ return 0;
- /* Look for trailing "/.." */
- if ((strlen(path) > 3) && !strcmp(path + strlen(path) - 3, "/.."))
- return 0;
+ /* Look for trailing "/.." */
+ if ((strlen(path) > 3) && !strcmp(path + strlen(path) - 3, "/.."))
+ return 0;
- /* Look for "/../" */
- if (strstr(path, "/../"))
- return 0;
+ /* Look for "/../" */
+ if (strstr(path, "/../"))
+ return 0;
- return 1;
+ return 1;
}
/*
@@ -596,129 +584,136 @@ xf86pathIsSafe(const char *path)
static char *
DoSubstitution(const char *template, const char *cmdline, const char *projroot,
- int *cmdlineUsed, int *envUsed,
- const char *XConfigFile)
+ int *cmdlineUsed, int *envUsed, const char *XConfigFile)
{
- char *result;
- int i, l;
- static const char *env = NULL;
- static char *hostname = NULL;
-
- if (!template)
- return NULL;
-
- if (cmdlineUsed)
- *cmdlineUsed = 0;
- if (envUsed)
- *envUsed = 0;
-
- result = malloc(PATH_MAX + 1);
- l = 0;
- for (i = 0; template[i]; i++) {
- if (template[i] != '%') {
- result[l++] = template[i];
- CHECK_LENGTH;
- } else {
- switch (template[++i]) {
- case 'A':
- if (cmdline && xf86pathIsAbsolute(cmdline)) {
- APPEND_STR(cmdline);
- if (cmdlineUsed)
- *cmdlineUsed = 1;
- } else
- BAIL_OUT;
- break;
- case 'R':
- if (cmdline && !xf86pathIsAbsolute(cmdline)) {
- APPEND_STR(cmdline);
- if (cmdlineUsed)
- *cmdlineUsed = 1;
- } else
- BAIL_OUT;
- break;
- case 'S':
- if (cmdline && xf86pathIsSafe(cmdline)) {
- APPEND_STR(cmdline);
- if (cmdlineUsed)
- *cmdlineUsed = 1;
- } else
- BAIL_OUT;
- break;
- case 'X':
- APPEND_STR(XConfigFile);
- break;
- case 'H':
- if (!hostname) {
- if ((hostname = malloc(MAXHOSTNAMELEN + 1))) {
- if (gethostname(hostname, MAXHOSTNAMELEN) == 0) {
- hostname[MAXHOSTNAMELEN] = '\0';
- } else {
- free(hostname);
- hostname = NULL;
- }
- }
- }
- if (hostname)
- APPEND_STR(hostname);
- break;
- case 'E':
- if (!env)
- env = getenv(XCONFENV);
- if (env && xf86pathIsAbsolute(env)) {
- APPEND_STR(env);
- if (envUsed)
- *envUsed = 1;
- } else
- BAIL_OUT;
- break;
- case 'F':
- if (!env)
- env = getenv(XCONFENV);
- if (env && !xf86pathIsAbsolute(env)) {
- APPEND_STR(env);
- if (envUsed)
- *envUsed = 1;
- } else
- BAIL_OUT;
- break;
- case 'G':
- if (!env)
- env = getenv(XCONFENV);
- if (env && xf86pathIsSafe(env)) {
- APPEND_STR(env);
- if (envUsed)
- *envUsed = 1;
- } else
- BAIL_OUT;
- break;
- case 'P':
- if (projroot && xf86pathIsAbsolute(projroot))
- APPEND_STR(projroot);
- else
- BAIL_OUT;
- break;
- case 'C':
- APPEND_STR(SYSCONFDIR);
- break;
- case 'D':
- APPEND_STR(DATADIR);
- break;
- case '%':
- result[l++] = '%';
- CHECK_LENGTH;
- break;
- default:
- fprintf(stderr, "invalid escape %%%c found in path template\n",
- template[i]);
- BAIL_OUT;
- break;
- }
- }
- }
+ char *result;
+ int i, l;
+ static const char *env = NULL;
+ static char *hostname = NULL;
+
+ if (!template)
+ return NULL;
+
+ if (cmdlineUsed)
+ *cmdlineUsed = 0;
+ if (envUsed)
+ *envUsed = 0;
+
+ result = malloc(PATH_MAX + 1);
+ l = 0;
+ for (i = 0; template[i]; i++) {
+ if (template[i] != '%') {
+ result[l++] = template[i];
+ CHECK_LENGTH;
+ }
+ else {
+ switch (template[++i]) {
+ case 'A':
+ if (cmdline && xf86pathIsAbsolute(cmdline)) {
+ APPEND_STR(cmdline);
+ if (cmdlineUsed)
+ *cmdlineUsed = 1;
+ }
+ else
+ BAIL_OUT;
+ break;
+ case 'R':
+ if (cmdline && !xf86pathIsAbsolute(cmdline)) {
+ APPEND_STR(cmdline);
+ if (cmdlineUsed)
+ *cmdlineUsed = 1;
+ }
+ else
+ BAIL_OUT;
+ break;
+ case 'S':
+ if (cmdline && xf86pathIsSafe(cmdline)) {
+ APPEND_STR(cmdline);
+ if (cmdlineUsed)
+ *cmdlineUsed = 1;
+ }
+ else
+ BAIL_OUT;
+ break;
+ case 'X':
+ APPEND_STR(XConfigFile);
+ break;
+ case 'H':
+ if (!hostname) {
+ if ((hostname = malloc(MAXHOSTNAMELEN + 1))) {
+ if (gethostname(hostname, MAXHOSTNAMELEN) == 0) {
+ hostname[MAXHOSTNAMELEN] = '\0';
+ }
+ else {
+ free(hostname);
+ hostname = NULL;
+ }
+ }
+ }
+ if (hostname)
+ APPEND_STR(hostname);
+ break;
+ case 'E':
+ if (!env)
+ env = getenv(XCONFENV);
+ if (env && xf86pathIsAbsolute(env)) {
+ APPEND_STR(env);
+ if (envUsed)
+ *envUsed = 1;
+ }
+ else
+ BAIL_OUT;
+ break;
+ case 'F':
+ if (!env)
+ env = getenv(XCONFENV);
+ if (env && !xf86pathIsAbsolute(env)) {
+ APPEND_STR(env);
+ if (envUsed)
+ *envUsed = 1;
+ }
+ else
+ BAIL_OUT;
+ break;
+ case 'G':
+ if (!env)
+ env = getenv(XCONFENV);
+ if (env && xf86pathIsSafe(env)) {
+ APPEND_STR(env);
+ if (envUsed)
+ *envUsed = 1;
+ }
+ else
+ BAIL_OUT;
+ break;
+ case 'P':
+ if (projroot && xf86pathIsAbsolute(projroot))
+ APPEND_STR(projroot);
+ else
+ BAIL_OUT;
+ break;
+ case 'C':
+ APPEND_STR(SYSCONFDIR);
+ break;
+ case 'D':
+ APPEND_STR(DATADIR);
+ break;
+ case '%':
+ result[l++] = '%';
+ CHECK_LENGTH;
+ break;
+ default:
+ fprintf(stderr, "invalid escape %%%c found in path template\n",
+ template[i]);
+ BAIL_OUT;
+ break;
+ }
+ }
+ }
#ifdef DEBUG
- fprintf(stderr, "Converted `%s' to `%s'\n", template, result);
+ fprintf(stderr, "Converted `%s' to `%s'\n", template, result);
#endif
- return result;
+ return result;
}
/*
@@ -726,40 +721,40 @@ DoSubstitution(const char *template, const char *cmdline, const char *projroot,
*/
static char *
OpenConfigFile(const char *path, const char *cmdline, const char *projroot,
- const char *confname)
+ const char *confname)
{
- char *filepath = NULL;
- char *pathcopy;
- const char *template;
- int cmdlineUsed = 0;
- FILE *file = NULL;
-
- pathcopy = strdup(path);
- for (template = strtok(pathcopy, ","); template && !file;
- template = strtok(NULL, ",")) {
- filepath = DoSubstitution(template, cmdline, projroot,
- &cmdlineUsed, NULL, confname);
- if (!filepath)
- continue;
- if (cmdline && !cmdlineUsed) {
- free(filepath);
- filepath = NULL;
- continue;
- }
- file = fopen(filepath, "r");
- if (!file) {
- free(filepath);
- filepath = NULL;
- }
- }
-
- free(pathcopy);
- if (file) {
- configFiles[numFiles].file = file;
- configFiles[numFiles].path = strdup(filepath);
- numFiles++;
- }
- return filepath;
+ char *filepath = NULL;
+ char *pathcopy;
+ const char *template;
+ int cmdlineUsed = 0;
+ FILE *file = NULL;
+
+ pathcopy = strdup(path);
+ for (template = strtok(pathcopy, ","); template && !file;
+ template = strtok(NULL, ",")) {
+ filepath = DoSubstitution(template, cmdline, projroot,
+ &cmdlineUsed, NULL, confname);
+ if (!filepath)
+ continue;
+ if (cmdline && !cmdlineUsed) {
+ free(filepath);
+ filepath = NULL;
+ continue;
+ }
+ file = fopen(filepath, "r");
+ if (!file) {
+ free(filepath);
+ filepath = NULL;
+ }
+ }
+
+ free(pathcopy);
+ if (file) {
+ configFiles[numFiles].file = file;
+ configFiles[numFiles].path = strdup(filepath);
+ numFiles++;
+ }
+ return filepath;
}
/*
@@ -769,56 +764,54 @@ OpenConfigFile(const char *path, const char *cmdline, const char *projroot,
static int
ConfigFilter(const struct dirent *de)
{
- const char *name = de->d_name;
- size_t len;
- size_t suflen = strlen(XCONFIGSUFFIX);
-
- if (!name || name[0] == '.')
- return 0;
- len = strlen(name);
- if(len <= suflen)
- return 0;
- if (strcmp(&name[len-suflen], XCONFIGSUFFIX) != 0)
- return 0;
- return 1;
+ const char *name = de->d_name;
+ size_t len;
+ size_t suflen = strlen(XCONFIGSUFFIX);
+
+ if (!name || name[0] == '.')
+ return 0;
+ len = strlen(name);
+ if (len <= suflen)
+ return 0;
+ if (strcmp(&name[len - suflen], XCONFIGSUFFIX) != 0)
+ return 0;
+ return 1;
}
static Bool
AddConfigDirFiles(const char *dirpath, struct dirent **list, int num)
{
- int i;
- Bool openedFile = FALSE;
- Bool warnOnce = FALSE;
-
- for (i = 0; i < num; i++) {
- char *path;
- FILE *file;
-
- if (numFiles >= CONFIG_MAX_FILES) {
- if (!warnOnce) {
- ErrorF("Maximum number of configuration "
- "files opened\n");
- warnOnce = TRUE;
- }
- continue;
- }
-
- path = malloc(PATH_MAX + 1);
- snprintf(path, PATH_MAX + 1, "%s/%s", dirpath,
- list[i]->d_name);
- file = fopen(path, "r");
- if (!file) {
- free(path);
- continue;
- }
- openedFile = TRUE;
-
- configFiles[numFiles].file = file;
- configFiles[numFiles].path = path;
- numFiles++;
- }
-
- return openedFile;
+ int i;
+ Bool openedFile = FALSE;
+ Bool warnOnce = FALSE;
+
+ for (i = 0; i < num; i++) {
+ char *path;
+ FILE *file;
+
+ if (numFiles >= CONFIG_MAX_FILES) {
+ if (!warnOnce) {
+ ErrorF("Maximum number of configuration " "files opened\n");
+ warnOnce = TRUE;
+ }
+ continue;
+ }
+
+ path = malloc(PATH_MAX + 1);
+ snprintf(path, PATH_MAX + 1, "%s/%s", dirpath, list[i]->d_name);
+ file = fopen(path, "r");
+ if (!file) {
+ free(path);
+ continue;
+ }
+ openedFile = TRUE;
+
+ configFiles[numFiles].file = file;
+ configFiles[numFiles].path = path;
+ numFiles++;
+ }
+
+ return openedFile;
}
/*
@@ -827,47 +820,47 @@ AddConfigDirFiles(const char *dirpath, struct dirent **list, int num)
*/
static char *
OpenConfigDir(const char *path, const char *cmdline, const char *projroot,
- const char *confname)
+ const char *confname)
{
- char *dirpath, *pathcopy;
- const char *template;
- Bool found = FALSE;
- int cmdlineUsed = 0;
-
- pathcopy = strdup(path);
- for (template = strtok(pathcopy, ","); template && !found;
- template = strtok(NULL, ",")) {
- struct dirent **list = NULL;
- int num;
-
- dirpath = DoSubstitution(template, cmdline, projroot,
- &cmdlineUsed, NULL, confname);
- if (!dirpath)
- continue;
- if (cmdline && !cmdlineUsed) {
- free(dirpath);
- dirpath = NULL;
- continue;
- }
-
- /* match files named *.conf */
- num = scandir(dirpath, &list, ConfigFilter, alphasort);
- if (num < 0) {
- list = NULL;
- num = 0;
- }
- found = AddConfigDirFiles(dirpath, list, num);
- if (!found) {
- free(dirpath);
- dirpath = NULL;
- }
- while (num--)
- free(list[num]);
- free(list);
- }
-
- free(pathcopy);
- return dirpath;
+ char *dirpath, *pathcopy;
+ const char *template;
+ Bool found = FALSE;
+ int cmdlineUsed = 0;
+
+ pathcopy = strdup(path);
+ for (template = strtok(pathcopy, ","); template && !found;
+ template = strtok(NULL, ",")) {
+ struct dirent **list = NULL;
+ int num;
+
+ dirpath = DoSubstitution(template, cmdline, projroot,
+ &cmdlineUsed, NULL, confname);
+ if (!dirpath)
+ continue;
+ if (cmdline && !cmdlineUsed) {
+ free(dirpath);
+ dirpath = NULL;
+ continue;
+ }
+
+ /* match files named *.conf */
+ num = scandir(dirpath, &list, ConfigFilter, alphasort);
+ if (num < 0) {
+ list = NULL;
+ num = 0;
+ }
+ found = AddConfigDirFiles(dirpath, list, num);
+ if (!found) {
+ free(dirpath);
+ dirpath = NULL;
+ }
+ while (num--)
+ free(list[num]);
+ free(list);
+ }
+
+ free(pathcopy);
+ return dirpath;
}
/*
@@ -876,14 +869,14 @@ OpenConfigDir(const char *path, const char *cmdline, const char *projroot,
void
xf86initConfigFiles(void)
{
- curFileIndex = 0;
- configPos = 0;
- configLineNo = 0;
- pushToken = LOCK_TOKEN;
-
- configBuf = malloc(CONFIG_BUF_LEN);
- configRBuf = malloc(CONFIG_BUF_LEN);
- configBuf[0] = '\0'; /* sanity ... */
+ curFileIndex = 0;
+ configPos = 0;
+ configLineNo = 0;
+ pushToken = LOCK_TOKEN;
+
+ configBuf = malloc(CONFIG_BUF_LEN);
+ configRBuf = malloc(CONFIG_BUF_LEN);
+ configBuf[0] = '\0'; /* sanity ... */
}
/*
@@ -922,13 +915,13 @@ xf86initConfigFiles(void)
char *
xf86openConfigFile(const char *path, const char *cmdline, const char *projroot)
{
- if (!path || !path[0])
- path = DEFAULT_CONF_PATH;
- if (!projroot || !projroot[0])
- projroot = PROJECTROOT;
+ if (!path || !path[0])
+ path = DEFAULT_CONF_PATH;
+ if (!projroot || !projroot[0])
+ projroot = PROJECTROOT;
- /* Search for a config file */
- return OpenConfigFile(path, cmdline, projroot, XCONFIGFILE);
+ /* Search for a config file */
+ return OpenConfigFile(path, cmdline, projroot, XCONFIGFILE);
}
/*
@@ -949,82 +942,82 @@ xf86openConfigFile(const char *path, const char *cmdline, const char *projroot)
*/
char *
xf86openConfigDirFiles(const char *path, const char *cmdline,
- const char *projroot)
+ const char *projroot)
{
- if (!path || !path[0])
- path = DEFAULT_CONF_PATH;
- if (!projroot || !projroot[0])
- projroot = PROJECTROOT;
+ if (!path || !path[0])
+ path = DEFAULT_CONF_PATH;
+ if (!projroot || !projroot[0])
+ projroot = PROJECTROOT;
- /* Search for the multiconf directory */
- return OpenConfigDir(path, cmdline, projroot, XCONFIGDIR);
+ /* Search for the multiconf directory */
+ return OpenConfigDir(path, cmdline, projroot, XCONFIGDIR);
}
void
-xf86closeConfigFile (void)
+xf86closeConfigFile(void)
{
- int i;
-
- free (configRBuf);
- configRBuf = NULL;
- free (configBuf);
- configBuf = NULL;
-
- if (numFiles == 0) {
- builtinConfig = NULL;
- builtinIndex = 0;
- }
- for (i = 0; i < numFiles; i++) {
- fclose(configFiles[i].file);
- configFiles[i].file = NULL;
- free(configFiles[i].path);
- configFiles[i].path = NULL;
- }
- numFiles = 0;
+ int i;
+
+ free(configRBuf);
+ configRBuf = NULL;
+ free(configBuf);
+ configBuf = NULL;
+
+ if (numFiles == 0) {
+ builtinConfig = NULL;
+ builtinIndex = 0;
+ }
+ for (i = 0; i < numFiles; i++) {
+ fclose(configFiles[i].file);
+ configFiles[i].file = NULL;
+ free(configFiles[i].path);
+ configFiles[i].path = NULL;
+ }
+ numFiles = 0;
}
void
xf86setBuiltinConfig(const char *config[])
{
- builtinConfig = config;
+ builtinConfig = config;
}
void
-xf86parseError (const char *format,...)
+xf86parseError(const char *format, ...)
{
- va_list ap;
- const char *filename = numFiles ? configFiles[curFileIndex].path
- : "<builtin configuration>";
+ va_list ap;
+ const char *filename = numFiles ? configFiles[curFileIndex].path
+ : "<builtin configuration>";
- ErrorF ("Parse error on line %d of section %s in file %s\n\t",
- configLineNo, configSection, filename);
- va_start (ap, format);
- VErrorF (format, ap);
- va_end (ap);
+ ErrorF("Parse error on line %d of section %s in file %s\n\t",
+ configLineNo, configSection, filename);
+ va_start(ap, format);
+ VErrorF(format, ap);
+ va_end(ap);
- ErrorF ("\n");
+ ErrorF("\n");
}
void
-xf86validationError (const char *format,...)
+xf86validationError(const char *format, ...)
{
- va_list ap;
- const char *filename = numFiles ? configFiles[curFileIndex].path
- : "<builtin configuration>";
+ va_list ap;
+ const char *filename = numFiles ? configFiles[curFileIndex].path
+ : "<builtin configuration>";
- ErrorF ("Data incomplete in file %s\n\t", filename);
- va_start (ap, format);
- VErrorF (format, ap);
- va_end (ap);
+ ErrorF("Data incomplete in file %s\n\t", filename);
+ va_start(ap, format);
+ VErrorF(format, ap);
+ va_end(ap);
- ErrorF ("\n");
+ ErrorF("\n");
}
void
-xf86setSection (const char *section)
+xf86setSection(const char *section)
{
- free(configSection);
- configSection = strdup(section);
+ free(configSection);
+ configSection = strdup(section);
}
/*
@@ -1032,145 +1025,143 @@ xf86setSection (const char *section)
* Lookup a string if it is actually a token in disguise.
*/
int
-xf86getStringToken (xf86ConfigSymTabRec * tab)
+xf86getStringToken(xf86ConfigSymTabRec * tab)
{
- return StringToToken (val.str, tab);
+ return StringToToken(val.str, tab);
}
static int
-StringToToken (const char *str, xf86ConfigSymTabRec * tab)
+StringToToken(const char *str, xf86ConfigSymTabRec * tab)
{
- int i;
-
- for (i = 0; tab[i].token != -1; i++)
- {
- if (!xf86nameCompare (tab[i].name, str))
- return tab[i].token;
- }
- return ERROR_TOKEN;
-}
+ int i;
+ for (i = 0; tab[i].token != -1; i++) {
+ if (!xf86nameCompare(tab[i].name, str))
+ return tab[i].token;
+ }
+ return ERROR_TOKEN;
+}
/*
* Compare two names. The characters '_', ' ', and '\t' are ignored
* in the comparison.
*/
int
-xf86nameCompare (const char *s1, const char *s2)
+xf86nameCompare(const char *s1, const char *s2)
{
- char c1, c2;
-
- if (!s1 || *s1 == 0) {
- if (!s2 || *s2 == 0)
- return 0;
- else
- return 1;
- }
-
- while (*s1 == '_' || *s1 == ' ' || *s1 == '\t')
- s1++;
- while (*s2 == '_' || *s2 == ' ' || *s2 == '\t')
- s2++;
- c1 = (isupper (*s1) ? tolower (*s1) : *s1);
- c2 = (isupper (*s2) ? tolower (*s2) : *s2);
- while (c1 == c2)
- {
- if (c1 == '\0')
- return 0;
- s1++;
- s2++;
- while (*s1 == '_' || *s1 == ' ' || *s1 == '\t')
- s1++;
- while (*s2 == '_' || *s2 == ' ' || *s2 == '\t')
- s2++;
- c1 = (isupper (*s1) ? tolower (*s1) : *s1);
- c2 = (isupper (*s2) ? tolower (*s2) : *s2);
- }
- return c1 - c2;
+ char c1, c2;
+
+ if (!s1 || *s1 == 0) {
+ if (!s2 || *s2 == 0)
+ return 0;
+ else
+ return 1;
+ }
+
+ while (*s1 == '_' || *s1 == ' ' || *s1 == '\t')
+ s1++;
+ while (*s2 == '_' || *s2 == ' ' || *s2 == '\t')
+ s2++;
+ c1 = (isupper(*s1) ? tolower(*s1) : *s1);
+ c2 = (isupper(*s2) ? tolower(*s2) : *s2);
+ while (c1 == c2) {
+ if (c1 == '\0')
+ return 0;
+ s1++;
+ s2++;
+ while (*s1 == '_' || *s1 == ' ' || *s1 == '\t')
+ s1++;
+ while (*s2 == '_' || *s2 == ' ' || *s2 == '\t')
+ s2++;
+ c1 = (isupper(*s1) ? tolower(*s1) : *s1);
+ c2 = (isupper(*s2) ? tolower(*s2) : *s2);
+ }
+ return c1 - c2;
}
char *
xf86addComment(char *cur, char *add)
{
- char *str;
- int len, curlen, iscomment, hasnewline = 0, insnewline, endnewline;
-
- if (add == NULL || add[0] == '\0')
- return cur;
-
- if (cur) {
- curlen = strlen(cur);
- if (curlen)
- hasnewline = cur[curlen - 1] == '\n';
- eol_seen = 0;
- }
- else
- curlen = 0;
-
- str = add;
- iscomment = 0;
- while (*str) {
- if (*str != ' ' && *str != '\t')
- break;
- ++str;
- }
- iscomment = (*str == '#');
-
- len = strlen(add);
- endnewline = add[len - 1] == '\n';
-
- insnewline = eol_seen || (curlen && !hasnewline);
- if (insnewline)
- len++;
- if (!iscomment)
- len++;
- if (!endnewline)
- len++;
-
- /* Allocate + 1 char for '\0' terminator. */
- str = realloc(cur, curlen + len + 1);
- if (!str)
- return cur;
-
- cur = str;
-
- if (insnewline)
- cur[curlen++] = '\n';
- if (!iscomment)
- cur[curlen++] = '#';
- strcpy(cur + curlen, add);
- if (!endnewline)
- strcat(cur, "\n");
-
- return cur;
+ char *str;
+ int len, curlen, iscomment, hasnewline = 0, insnewline, endnewline;
+
+ if (add == NULL || add[0] == '\0')
+ return cur;
+
+ if (cur) {
+ curlen = strlen(cur);
+ if (curlen)
+ hasnewline = cur[curlen - 1] == '\n';
+ eol_seen = 0;
+ }
+ else
+ curlen = 0;
+
+ str = add;
+ iscomment = 0;
+ while (*str) {
+ if (*str != ' ' && *str != '\t')
+ break;
+ ++str;
+ }
+ iscomment = (*str == '#');
+
+ len = strlen(add);
+ endnewline = add[len - 1] == '\n';
+
+ insnewline = eol_seen || (curlen && !hasnewline);
+ if (insnewline)
+ len++;
+ if (!iscomment)
+ len++;
+ if (!endnewline)
+ len++;
+
+ /* Allocate + 1 char for '\0' terminator. */
+ str = realloc(cur, curlen + len + 1);
+ if (!str)
+ return cur;
+
+ cur = str;
+
+ if (insnewline)
+ cur[curlen++] = '\n';
+ if (!iscomment)
+ cur[curlen++] = '#';
+ strcpy(cur + curlen, add);
+ if (!endnewline)
+ strcat(cur, "\n");
+
+ return cur;
}
Bool
xf86getBoolValue(Bool *val, const char *str)
{
- if (!val || !str)
- return FALSE;
- if (*str == '\0') {
- *val = TRUE;
- } else {
- if (xf86nameCompare(str, "1") == 0)
- *val = TRUE;
- else if (xf86nameCompare(str, "on") == 0)
- *val = TRUE;
- else if (xf86nameCompare(str, "true") == 0)
- *val = TRUE;
- else if (xf86nameCompare(str, "yes") == 0)
- *val = TRUE;
- else if (xf86nameCompare(str, "0") == 0)
- *val = FALSE;
- else if (xf86nameCompare(str, "off") == 0)
- *val = FALSE;
- else if (xf86nameCompare(str, "false") == 0)
- *val = FALSE;
- else if (xf86nameCompare(str, "no") == 0)
- *val = FALSE;
- else
- return FALSE;
- }
- return TRUE;
+ if (!val || !str)
+ return FALSE;
+ if (*str == '\0') {
+ *val = TRUE;
+ }
+ else {
+ if (xf86nameCompare(str, "1") == 0)
+ *val = TRUE;
+ else if (xf86nameCompare(str, "on") == 0)
+ *val = TRUE;
+ else if (xf86nameCompare(str, "true") == 0)
+ *val = TRUE;
+ else if (xf86nameCompare(str, "yes") == 0)
+ *val = TRUE;
+ else if (xf86nameCompare(str, "0") == 0)
+ *val = FALSE;
+ else if (xf86nameCompare(str, "off") == 0)
+ *val = FALSE;
+ else if (xf86nameCompare(str, "false") == 0)
+ *val = FALSE;
+ else if (xf86nameCompare(str, "no") == 0)
+ *val = FALSE;
+ else
+ return FALSE;
+ }
+ return TRUE;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-08 13:15:52 +0000