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Diffstat (limited to 'erts/etc/common/erlexec.c')
-rw-r--r--erts/etc/common/erlexec.c119
1 files changed, 67 insertions, 52 deletions
diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c
index 793cb532b3..f7774c6e2e 100644
--- a/erts/etc/common/erlexec.c
+++ b/erts/etc/common/erlexec.c
@@ -23,14 +23,9 @@
* additions required for Windows NT.
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "etc_common.h"
-#include "sys.h"
#include "erl_driver.h"
-#include <stdlib.h>
-#include <stdarg.h>
#include "erl_misc_utils.h"
#ifdef __WIN32__
@@ -197,9 +192,7 @@ void error(char* format, ...);
* Local functions.
*/
-#if !defined(ERTS_HAVE_SMP_EMU) || !defined(ERTS_HAVE_PLAIN_EMU)
static void usage_notsup(const char *switchname, const char *alt);
-#endif
static char **build_args_from_env(char *env_var);
static char **build_args_from_string(char *env_var);
static void initial_argv_massage(int *argc, char ***argv);
@@ -247,7 +240,7 @@ static int verbose = 0; /* If non-zero, print some extra information. */
static int start_detached = 0; /* If non-zero, the emulator should be
* started detached (in the background).
*/
-static int start_smp_emu = 0; /* Start the smp emulator. */
+static int start_smp_emu = 1; /* Start the smp emulator. */
static const char* emu_type = 0; /* Type of emulator (lcnt, valgrind, etc) */
#ifdef __WIN32__
@@ -470,10 +463,6 @@ int main(int argc, char **argv)
* Construct the path of the executable.
*/
cpuinfo = erts_cpu_info_create();
- /* '-smp auto' is default */
-#ifdef ERTS_HAVE_SMP_EMU
- start_smp_emu = 1;
-#endif
#if defined(__WIN32__) && defined(WIN32_ALWAYS_DEBUG)
emu_type = "debug";
@@ -505,23 +494,13 @@ int main(int argc, char **argv)
i++;
smp_enable:
;
-#if !defined(ERTS_HAVE_SMP_EMU)
- usage_notsup("-smp enable", "");
-#endif
} else if (strcmp(argv[i+1], "disable") == 0) {
i++;
smp_disable:
-#ifdef ERTS_HAVE_PLAIN_EMU
- start_smp_emu = 0;
-#else
usage_notsup("-smp disable", " Use \"+S 1\" instead.");
-#endif
} else {
smp:
;
-#if !defined(ERTS_HAVE_SMP_EMU)
- usage_notsup("-smp", "");
-#endif
}
} else if (strcmp(argv[i], "-smpenable") == 0) {
goto smp_enable;
@@ -560,19 +539,44 @@ int main(int argc, char **argv)
} else {
add_Eargs(emu); /* argv[0] = erl or cerl */
}
- /*
- * Add the bindir to the path (unless it is there already).
- */
+
+ /* Add the bindir to the front of the PATH, and remove all subsequent
+ * occurrences to avoid ballooning it on repeated up/downgrades. */
s = get_env("PATH");
- if (!s) {
- erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP "%s" DIRSEP "bin", bindir, rootdir);
- } else if (strstr(s, bindir) == NULL) {
- erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP "%s", bindir,
- rootdir, s);
+
+ if (s == NULL) {
+ erts_snprintf(tmpStr, sizeof(tmpStr),
+ "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP, bindir, rootdir);
+ } else if (strstr(s, rootdir) == NULL) {
+ erts_snprintf(tmpStr, sizeof(tmpStr),
+ "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP "%s", bindir, rootdir, s);
} else {
- erts_snprintf(tmpStr, sizeof(tmpStr), "%s", s);
+ const char *bindir_slug, *bindir_slug_index;
+ int bindir_slug_length;
+ const char *in_index;
+ char *out_index;
+
+ erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP, bindir);
+
+ bindir_slug = strsave(tmpStr);
+ bindir_slug_length = strlen(bindir_slug);
+
+ out_index = &tmpStr[bindir_slug_length];
+ in_index = s;
+
+ while ((bindir_slug_index = strstr(in_index, bindir_slug))) {
+ int block_length = (bindir_slug_index - in_index);
+
+ memcpy(out_index, in_index, block_length);
+
+ in_index = bindir_slug_index + bindir_slug_length;
+ out_index += block_length;
+ }
+
+ strcpy(out_index, in_index);
}
+
free_env_val(s);
set_env("PATH", tmpStr);
@@ -834,6 +838,28 @@ int main(int argc, char **argv)
add_Eargs(argv[i+1]);
i++;
break;
+ case 'I':
+ if (argv[i][2] == 'O' && (argv[i][3] == 't' || argv[i][3] == 'p')) {
+ if (argv[i][4] != '\0')
+ goto the_default;
+ argv[i][0] = '-';
+ add_Eargs(argv[i]);
+ add_Eargs(argv[i+1]);
+ i++;
+ break;
+ }
+ if (argv[i][2] == 'O' && argv[i][3] == 'P' &&
+ (argv[i][4] == 't' || argv[i][4] == 'p')) {
+ if (argv[i][5] != '\0')
+ goto the_default;
+ argv[i][0] = '-';
+ add_Eargs(argv[i]);
+ add_Eargs(argv[i+1]);
+ i++;
+ break;
+ }
+ usage(argv[i]);
+ break;
case 'S':
if (argv[i][2] == 'P') {
if (argv[i][3] != '\0')
@@ -889,8 +915,8 @@ int main(int argc, char **argv)
case 'c':
argv[i][0] = '-';
if (argv[i][2] == '\0' && i+1 < argc) {
- if (sys_strcmp(argv[i+1], "true") == 0
- || sys_strcmp(argv[i+1], "false") == 0) {
+ if (strcmp(argv[i+1], "true") == 0
+ || strcmp(argv[i+1], "false") == 0) {
add_Eargs(argv[i]);
add_Eargs(argv[i+1]);
i++;
@@ -1162,15 +1188,6 @@ usage_aux(void)
#ifdef __WIN32__
"[-start_erl [datafile]] "
#endif
- "[-smp [auto"
-#ifdef ERTS_HAVE_SMP_EMU
- "|enable"
-#endif
-#ifdef ERTS_HAVE_PLAIN_EMU
- "|disable"
-#endif
- "]"
- "] "
"[-make] [-man [manopts] MANPAGE] [-x] [-emu_args] [-start_epmd BOOLEAN] "
"[-args_file FILENAME] [+A THREADS] [+a SIZE] [+B[c|d|i]] [+c [BOOLEAN]] "
"[+C MODE] [+h HEAP_SIZE_OPTION] [+K BOOLEAN] "
@@ -1191,14 +1208,12 @@ usage(const char *switchname)
usage_aux();
}
-#if !defined(ERTS_HAVE_SMP_EMU) || !defined(ERTS_HAVE_PLAIN_EMU)
static void
usage_notsup(const char *switchname, const char *alt)
{
fprintf(stderr, "Argument \'%s\' not supported.%s\n", switchname, alt);
usage_aux();
}
-#endif
static void
usage_format(char *format, ...)
@@ -2197,18 +2212,18 @@ static WCHAR *utf8_to_utf16(unsigned char *bytes)
res = target = emalloc((num + 1) * sizeof(WCHAR));
while (*bytes) {
if (((*bytes) & ((unsigned char) 0x80)) == 0) {
- unipoint = (Uint) *bytes;
+ unipoint = (unsigned int) *bytes;
++bytes;
} else if (((*bytes) & ((unsigned char) 0xE0)) == 0xC0) {
unipoint =
- (((Uint) ((*bytes) & ((unsigned char) 0x1F))) << 6) |
- ((Uint) (bytes[1] & ((unsigned char) 0x3F)));
+ (((unsigned int) ((*bytes) & ((unsigned char) 0x1F))) << 6) |
+ ((unsigned int) (bytes[1] & ((unsigned char) 0x3F)));
bytes += 2;
} else if (((*bytes) & ((unsigned char) 0xF0)) == 0xE0) {
unipoint =
- (((Uint) ((*bytes) & ((unsigned char) 0xF))) << 12) |
- (((Uint) (bytes[1] & ((unsigned char) 0x3F))) << 6) |
- ((Uint) (bytes[2] & ((unsigned char) 0x3F)));
+ (((unsigned int) ((*bytes) & ((unsigned char) 0xF))) << 12) |
+ (((unsigned int) (bytes[1] & ((unsigned char) 0x3F))) << 6) |
+ ((unsigned int) (bytes[2] & ((unsigned char) 0x3F)));
if (unipoint > 0xFFFF) {
unipoint = (unsigned int) '?';
}
@@ -2227,7 +2242,7 @@ static WCHAR *utf8_to_utf16(unsigned char *bytes)
static int put_utf8(WCHAR ch, unsigned char *target, int sz, int *pos)
{
- Uint x = (Uint) ch;
+ unsigned int x = (unsigned int) ch;
if (x < 0x80) {
if (*pos >= sz) {
return -1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 04:14:06 +0000